import java.util.Scanner;    public class Ozo {     public static void main(String [] args) {       Scanner Henry = new Scanner (System.in);      System.out.println("Hello Welcome to Algorithm Chemist\nHow may we       help you?");      String name, stress;      int age;      System.out.println("Please what is your name?");      name = Henry.nextLine();      System.out.println("What is your stress?");      stress = Henry.nextLine();      System.out.println("How old are you?");      age = Henry.nextInt();      if (age <= 12 && stress == "HeadAce") {       System.out.println("Take one tablet of Panadol Extra and one         tablet of Paracetamol");      if (age >=13 && stress == "HeadAce") {       System.out.println("Take two Tablet of Paracetamol and one tablet        of Panadol");      if (age <= 12 && stress == "Malaria") {       System.out.println("Take one dose of Alabukun or better advise go        for herbal medicine");     if (age >= 13 && stress == "Malaria") {      System.out.println("Take two dose of Alabukun and one tablet of       Postinol");     System.out.println("Thank you for using our service, we sincerely appreciate your patronage");     }    }   }  } } }   I am creating a project in Java. And anytime I enter a value of >= 13 it does not display anything.

I've been using the == operator in my program to compare all my strings so far. However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug.  Is == bad? When should it and should it not be used? What's the difference?


I'm trying to write a program that converts images to grayscale and then saves copies of the images with a new name ("gray-" + fname), but I'm getting error message java.lang.NullPointerExeption when I run the program.   The  gray.save();   line at the bottom of the below code gets highlighted. I'm not sure why the program says the variable gray is null. Should I change the order of the lines? Thanks for your help.  import edu.duke.*; import java.io.File;     public class ImageConverterAndSaver {         public ImageResource makeGray(ImageResource inImage) {         ImageResource outImage = new ImageResource(inImage.getWidth(), inImage.getHeight());         for (Pixel px:outImage.pixels()){             Pixel inPixel = inImage.getPixel(px.getX(), px.getY());             int grayConversion = (inPixel.getRed() + inPixel.getGreen() + inPixel.getBlue()/3);             px.setRed(grayConversion);             px.setGreen(grayConversion);             px.setBlue(grayConversion);         }         return outImage;     }         public void doSave(){         DirectoryResource dr = new DirectoryResource();         for (File f: dr.selectedFiles()) {             ImageResource image = new ImageResource(f);              String fname = image.getFileName();             String newName = "gray-" + fname;             image.setFileName(newName);             ImageResource gray = makeGray(image);             gray.draw();             gray.save();         }     }     }

What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them?  What methods/tools can be used to determine the cause so that you stop the exception from causing the program to terminate prematurely?


The series is $1\cdot\frac{1}{2} + 2\cdot\frac{1}{4} + 3\cdot\frac{1}{8} + \cdots$  Or in other words  $$\sum_{n=1}^{\infty}\frac{n}{2^n}$$  What kind of series is this and how to find the sum? Thanks....


If I run these commands:  dmesg | head -n 10   I presume the OS sends back some kind of signal to dmesg once head has read 10 lines. How does this work? What does head tell the kernel?  This is different from a program dying since this is a normal, 'clean' stop.

Here are some options I thought of, not sure which is the right one.   There was an I/O error reading from the pipe. The process writing to the other end of the pipe died with a failure. All processes who could write to the pipe have closed it. The write buffer of the pipe is full. The peer has closed the other direction of the duplex pipe. Writing failed because there are no processes which could read from the pipe. A system call returned the EPIPE error, and there was no error handler installed.


Is there any situation in which disagreement between subject and verb is acceptable?  For example, I heard this song     ... 'Cause it's late and your mama don't know ...   I think it's used in informal contexts. Am I right?

There is a novel titled 'Ball Don't Lie', and a film also based on the novel with the same name (visit: ). Then the sentence becomes more famous in sports world after Rasheed Wallace used it in one of NBA games (watch YouTube video ).  So I'm just curious, isn't there clearly a grammar mistake in this term? Shouldn't it be "Balls Don't Lie", or "Ball Doesn't Lie"?


I recently installed the brackets editor and was wondering what the best approach to handling the file permissions is.  I tend to edit php/html files that are located in my /var/www/html and I'm running into permission problems when I'm not running brackets with sudo  I wondered if there is a better approach to this?

I want to stop having to use sudo everytime I work in /var/www. How can I do that? I simply want to put all of my sites into this directory and work with them without too much pain.


have a list of lists such that the length of each inner list is either 1 or n (assume n > 1).  For example, I have a list named ""  >>> test= [['AA', 'aa'], ['BB', 'bb'], ['CC'],['DD','dd']]   On the end I will make list like this:  [('AA', 'BB', 'CC', 'DD'),   ('AA', 'BB', 'CC', 'dd'),   ('AA', 'bb', 'CC', 'DD'),   ('AA', 'bb', 'CC', 'dd'),   ('aa', 'BB', 'CC', 'DD'),   ('aa', 'BB', 'CC', 'dd'),   ('aa', 'bb', 'CC', 'DD'),   ('aa', 'bb', 'CC', 'dd')]   I try to solve this by use zip, but it seems impossible... Could anyone help me? Thanks very much.

How can I get the Cartesian product (every possible combination of values) from a group of lists?  Input:   somelists = [    [1, 2, 3],    ['a', 'b'],    [4, 5] ]   Desired output:  [(1, 'a', 4), (1, 'a', 5), (1, 'b', 4), (1, 'b', 5), (2, 'a', 4), (2, 'a', 5) ...]


I recently installed ubuntu 14.04 LTS on my new flex 3 1480. I do not see wireless option. I tried the solution mentioned in  post but it doesn't work. Output of the wireless script can be found  .  Any help is appreciated. Thanks

I bought an Acer laptop and installed Ubuntu 14.04LTS but WiFi drivers are not available for it. So I am trying to install a windows driver using wifidocs/driver/ndiswrapper.  On doing lspci -vvnn, it gives:  Network controller ［0280: Qualcomm Atheros Device ［168c:0042］ (rev 30)   Then I also disabled the atheros drivers. Using lspci and lspci -n, I can say PCI id is 168c:0042. But Acer website has three atheros drivers. I could not figure out which one to download but downloaded one on a windows PC and pasted the zip file on my desktop then unzipped it from the terminal using unzip <filename>.zip. The page says you have to go to control panel system hardware and all that on the windows system. I did not do it. Windows computer not being mine, I am afraid I should not install any additional driver on it. After unzipping it has one .inx file and one .bin file but no .sys file. I don't know whether I am completely right till here or have I missed something? And if I am right then how to proceed from here? I also made a new directory and copied the unzipped .inx and .bin files in it. Then in that directory I ran the ndiswrapper -i <filename>.inf but it says ndiswrapper not installed and when I do sudo apt-get install ndiswrapper-common, I get the reply that ndiswrapper-common is already the latest version. What to do? here is my dmesg | grep ath10k result  [   7.882758] ath10k_pci 0000:03:00.0: pci irq msi-x interrupts 8 irq_mode 0 reset_mode 0 [    8.190016] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/cal-pci-0000:03:00.0.bin failed with error -2 [    8.334587] ath10k_pci 0000:03:00.0: Direct firmware load for ath10k/QCA9377/hw1.0/board-2.bin failed with error -2 [   10.140677] ath10k_pci 0000:03:00.0: qca9377 hw1.0 (0x05020000, 0x003820ff sub 105b:e09a) fw WLAN.TF.1.0-00267-1 fwapi 5 bdapi 1 htt-ver 3.1 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1 features ignore-otp [   10.140682] ath10k_pci 0000:03:00.0: debug 0 debugfs 0 tracing 0 dfs 0 testmode 0 Here is the output of lspci -nnk | grep -iA2 net  02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)     Subsystem: Acer Incorporated [ALI] Device [1025:098a]     Kernel driver in use: r8169 03:00.0 Network controller [0280]: Qualcomm Atheros Device [168c:0042] (rev 30)     Subsystem: Foxconn International, Inc. Device [105b:e09a]     Kernel driver in use: ath10k_pci


I am looking for a string in the following format:  "5\'x5\'-ClimateControlled(xxxxxxx)IndooraccessUpperLevelElevatoraccess"   Where the (xxxxxxx) wildcard portion can be any combination of numbers, letters, or symbols. I have found that if the wildcard portion is a number, the following works:  pattern = '5\'x5\'-ClimateControlled.IndooraccessUpperLevelElevatoraccess' regex = re.compile(pattern) regex.findall(raw)   However, sometimes the wildcard portion is a string or symbols, in which case the search returns nothing. What is the syntax for a true wildcard search where the portion in the middle can be anything?

I don't really understand regular expressions.  Can you explain them to me in an easy-to-follow manner?  If there are any online tools or books, could you also link to them?


I would like to ask why in this  at 2:30 time mark a girl says "If this were full, that would have been really badass". Instead of "If this had been full, that would have been really badass" (everything in the past) or "If this had been full, that would be really badass" (condition in past result in present)?  From what she said it sounds to me like she says that the cup should be full now (present) and that it "would have been badass" in the past which doesn't make sense to me. I would be fine with either both parts of the sentence in past or condition in past and the result in present but I'm confused with the wording which was used. That's at least how I was taught it.  Thank you.  EDIT: To make sure it's understood what puzzles me:  Sentence: If this were full, that would have been really badass.  Means to me: But it is not currently full and that is why it wasn't badass before.  (this is what it means according to any grammar book, website I went through since ages ago, for  but googling gives tons of other cases). But if that mug was full right know then it couldn't had been spilled before because if it had been spilled (before) then right after the mug could never be full (logic).

In this  (Using just Past Simple in the Third conditional) Michael Swan says:     262 if (7): other structures found in spoken English      4 mixed tenses   Sometimes a simple past tense is used with if where a past perfect would be normal. This is more common in American English.       If I knew you were coming I'd have baked a cake.       If I had the money with me I would have bought you one.       If I didn't have my walking boots on I think I would have really hurt my foot.   However, Swan does not give examples for the verb to be case. I wonder if American speakers -informally- also use the past simple for verb to be too in counterfactual (unreal) past situations.  It seems that this thought is possible in theory. There is this quote for an Australian speaker on      It's likely a police officer who was shot at a Sydney hospital would   have died if he wasn't in the emergency ward at the time.


How to remove every file in the current directory except *.c files ?  For ex, if i do rm *.c it removes all the .c files, but does not remove other other files.   I just want to do the opposite.

Say I want to copy the contents of a directory excluding files and folders whose names contain the word 'Music'.  cp [exclude-matches] *Music* /target_directory   What should go in place of [exclude-matches] to accomplish this?


a. My cousins who have cars like the new regulation. Can I use use (a) if all my cousins who are car-owners own one car each?  b. My cousins who have a car like the new regulation. Can I use (b) if all of my cousins who are car-owners have more than one car each? Can I use (b) if some of my cousins who are car-owners have more than one car each?

Is the expression      All women who are mothers of daughters are here.   correct? I mean every woman who has at least one daughter is here.


I recall this being a short story, possibly in a Gardner Dozois collection that I read in the mid-2000s. The protagonist is a young woman, living at home with her parents. She overdoses on a 'zombie'(?) or 'z'(?) drug that's used to give your unconscious mind control over your conscious body. In doing so she effectively kills herself, despite her body being up and walking around with an entirely different personality in control. The main character constantly talks about her former self in the third person, as if she's inhabiting someone else's body.   Her parents are concerned and threaten to send her to some kind of rehab facility. At the end she agrees to go, or at least considers it.

I'm trying to remember the title/author of a short story I read about 5-10 years ago; I think it was new at the time.   It's about a teenage girl who lost her personality because of overdosing on some drug, written from the perspective of her new personality after the event. She can access her old memories but feels like they belong to someone else. Her parents want to restore her old personality and send her to a doctor/psychologist who turns out to be a quack (perhaps there were a series of other doctors before that but her parents keep switching until they find one who says s/he can help?).   There's a metaphor about a messenger not being able to find the queen so he gives the message to a servant instead (referring to how the new personality took over from the old one). I remember reading it twice, so it was probably reprinted in a 'best of [year]' anthology or perhaps nominated for some award and posted online.


I would like to install the driver for my Radeon graphics card on Ubuntu 16.04. Is it available? If it is, how do I install it?  I tried lspci -nn | grep and got the following:  VGA 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics  Controller [8086:0116] (rev 09)  01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Whistler [Radeon HD  6630M/6650M/6750M/7670M/7690M] [1002:6741] (rev ff)

I have 14.04.5/16.04 or newer and an AMD GPU. I'm not getting the performance I want, and some programs say they need things like OpenCL.  I've heard about fglrx, but if I try to install it on my machine, it breaks and I have no GUI.  Is there anything I can do to get my AMD card working to its full potential?


Can a question which is on hold be reopened? I've edited the post, will it be opened again?   My post is here:  It is under hold now. What should I do?

To reopen a closed question,  must agree that the question is suitable for the site and cast votes to reopen the question. But:  How does one actually vote to reopen? Is there a reputation level that you must have before you can see this function? Or do I just leave a comment along the lines of, "I vote to reopen"? What happens if someone with less than 3000 reputation leaves a comment that they wish to vote to reopen? How can one draw attention to their closed questions? Is it done via a posting new question? Or do you edit the closed question?   Related:  For more information, see "" in the .


I have recently bought the Razer Mamba Wireless (2018) mouse. I would like to check the battery status (percentage) of the mouse in command line ?  Is is possible and how can I do this?  $ lsusb  Bus 001 Device 005: ID 1532:0072 Razer USA, Ltd    $ xinput  ⎡ Virtual core pointer                      id=2    [master pointer  (3)] ⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)] ⎜   ↳ Razer Razer Mamba Wireless Receiver       id=13   [slave  pointer  (2)] ⎜   ↳ Razer Razer Mamba Wireless Receiver Consumer Control  id=17   [slave  pointer  (2)] ⎣ Virtual core keyboard                     id=3    [master keyboard (2)]     ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]         ↳ Razer Razer Mamba Wireless Receiver Keyboard  id=14   [slave  keyboard (3)]     ↳ Razer Razer Mamba Wireless Receiver       id=15   [slave  keyboard (3)]     ↳ Razer Razer Mamba Wireless Receiver System Control    id=16   [slave  keyboard (3)]     ↳ Razer Razer Mamba Wireless Receiver Consumer Control  id=19   [slave  keyboard (3)]

Is there a way to monitor the mouse's battery status in Kubuntu? I have a  and in Windows I can use the default software (from official site) to monitor battery status and do other things like editing some mouse buttons etc.  Is there any software to do same thing or just monitoring battery status (applets, widgets, software etc.)?


I'm struck with PHP SharePoint integration. Is there any simple PHP method to read list from SharePoint?

I am a newbie for Sharepoint(website developer).I want to connect some Php app to Sharepoint(installed in server) so that for every websites I create there is a connection to Sharepoint.How can I do this.  Any help/suggestions are welcome.Thanks in advance.


I have long wondered why nobody seems to think that this form of the uncertainty principle proves it impossible to reach absolute zero.  I noticed that there is a proof suggesting it requires infinite time to reach absolute zero in :     "Here, we provide a derivation of the principle that applies to arbitrary cooling processes, even those exploiting the laws of quantum mechanics or involving an infinite-dimensional reservoir. We quantify the resources needed to cool a system to any temperature, and translate these resources into the minimal time or number of steps, by considering the notion of a thermal machine that obeys similar restrictions to universal computers. We generally find that the obtainable temperature can scale as an inverse power of the cooling time."   But they do not mention a connection to the uncertainty principle. Can anyone help?

I got to read Volume I of Feynmann's lectures. It said that at absolute zero, molecular motion doesn't cease at all, because if that happens, we will be able to make precise determination of position and momentum of the atom. We do know that Heisenberg uncertainty principle holds for microscopic particles in motion. But what then is wrong to consider that all molecular motion ceases at absolute zero? In other words, does the uncertainty principle not hold when there is no motion?  Need some help!


How can i have such a format in every chapter in my thesis. More specifically i would like this table of contents for each chapter depending on its subsections.

How can one have a mini table of contents for the current chapter appear just after the chapter name listing all sections of that chapter?


I've imported a Delimited Text File that I want to join to a shapefile.    Unfortunately, the join field has a ' character before the actual string.    I wanted to delete that character, but I can't edit the file because I get:      This layer does not support adding new provider fields   Consequently, I cannot edit the file (and yes, I toggled the layer editing icon on and tried editing it after saving the imported CSV with a new name).  Is there a way to get around this?

I imported the coordinates from an Excel table. They show as single points as intended. Now I want to add columns to the attribute table, but I'm not able to edit it. I wanted to import the following columns from Excel as well, but that doesn't seem to work either.  Sorry for the noob-question, but I couldn't find anything relating the theme through google and such.  Ok, with pictures then: I want to use that to add columns with information to these       You see, the small pensil thingy is greyed out, so I can't edit anything in this layer and I can't add any information to my points.  If I try Ale suggestion I get this error:


Ostensibly, verb conjugation is plural vs singular: "The apple is big." vs "The apples are big." But that doesn't match up with the centuries-old . "They is nice." vs "They are nice." I believe only the latter is correct, not only for plural they but even for singular they. Are there any other exceptions to the singular vs plural verb conjugation? Or is singular they a unique exception to English verb conjugation among all subjects? Is plural vs singular still the way that grammarists explain English verb conjugation?

There are many (duplicate) questions about the acceptance, popularity and history of singular they (and their, them and themself) around here, it even got a tag of its own. If I didn’t miss anything, however, the proper verb form hasn’t been questioned yet.  As we all know, English third person singular pronouns (it, she, he and one, +body), names (Alice, Bob, …) and nouns (student, teacher, …) demand the +(e)s suffix be added to the finite verb form in simple present, where some auxiliary verbs have a “special” form (is < *bes / *ares and has < *haves). All other subjects don’t, including plural third person pronoun they.  When the plural you replaced thou (with thee, thy / thine), the other marked verb form that had remained in English – i.e. suffix +(e)st or +t – vanished, too. The first and second persons only ever appear as pronouns (I, we; you), not names or nouns, so there was no strong inclination to keep the verbal inflection.  The second person precedent would suggest that singular they be used with uninflected verb forms which is how it’s usually encountered in the wild. Assuming that they someday replaces he and she (and maybe it) it would lead to disagreement with the words the pronoun stands in for:        Alice         goes to her   place  by herself.   Bob           goes to his   place  by himself.   Alice and Bob go   to their place  by themselves. – (common)   Alice and Bob go   to their places by themselves. – (separate)                  She  goes to her   place  by herself.   He   goes to his   place  by himself.   They go   to their place  by themselves.   They go   to their places by themselves.                  They ?goes to their place  by themself.   ditto   They  go   to their place  by themselves.   They  go   to their places by themselves.                  They ?go to their place  by ?themselves.   ditto   They  go to their place  by  themselves.   They  go to their places by  themselves.      So why doesn’t singular they afford s on present-tense verbs like all other third person singular subjects do?   I learned about singular they only long after I had been taught English as a second language in school. That’s why it’s still a conscious decision to use it and hence I could easily adapt to use s forms with it, but would that sound and look funny / strange / wrong to native speakers?


I have QGIS projects with a lot of layers. Sometime it's difficult to find a layer into Layers Panel. How to search it?

I'm working on a project that requires a lot of layers.   Because of this, even if i make different folders, it's sometimes hard to find the layers I want.  Is there a way to simply write a keyword somewhere to find (or highlight) the layer I want in the layers panel?  Is there a plugin for this?  For Example: I want to find the layer "Layer-Orange".   Where can I write "Orange" to find the specific layer?


Suppose $A$ is a linear transformation from $\Bbb R^n$ to $\Bbb R^m$ with $\text{rank}A=r>0$, $V$ is an open subset of $\Bbb R^n$, then is $A(V)$ an open (relative to $\text{Im}(A)$) subset of $\text{Im} (A)$?  I don't know how to prove this. I cannot construct a diffeomorphism from $V$ to $A(V)$ because there is a dimension shrinkage.   Can you help me with this? Thanks a lot!

I'm in search of different proofs of the following proposition:     $\bf{Proposition}$: Suppose $X$ and $Y$ be topological vector spaces, $\text{dim }Y<\infty$, and $\Lambda:X\to Y$ is a surjective linear map. Then $\Lambda$ is open.   Any and all proofs are welcomed.


Any idea how to make these insets on a plastic bottle? Tried with bezier + lettice but results are not good and with no control once applied.  thanks!

I am trying to replicate the attached image, but I am stuck on the twisted pattern on the surface of the bottle. I have tried a displacement modifier with a texture with no luck. Maybe I am just doing it wrong. Or is it best to make this a part of the geometry? Keep in mind that I want to fill the bottle with some water later, so the geometry should preferably not make this impossible to get right.  What would be a good way to go about this?


In MVC5 I have ajax method in jquery that checking if file exists:   $.ajax({             type: "POST",             url: '@Url.Action("CheckIfnExists", "Home")',             data: { idfile: 100 },             success: function(data)              {                 console.log('result: ' + data);                 if(data == 'True')   Method in controller looks like:  [HttpPost] public bool CheckIfnExists(decimal idfile, {    return true; }   How to change in jquery 'if' statement to:  if(data)   from string 'True' to boolean true

Can I convert a string representing a boolean value (e.g., 'true', 'false') into a intrinsic type in JavaScript?  I have a hidden form in HTML that is updated based upon a user's selection within a list. This form contains some fields which represent boolean values and are dynamically populated with an intrinsic boolean value. However, once this value is placed into the hidden input field it becomes a string.  The only way I could find to determine the field's boolean value, once it was converted into a string, was to depend upon the literal value of its string representation.  var myValue = document.myForm.IS_TRUE.value; var isTrueSet = myValue == 'true';   Is there a better way to accomplish this?


Why does LaTeX generate the following files:   aux file log file out file   I believe that the log file would keep the errors incase if the tex file had it but incase if it already was generated then why the log file is created and there overheads of aux and out file. Wouldn't the tex file and the pdf file be sufficient?(and a necessary log file)

When I use pdflatex, I get a bunch of files:  test.aux   test.log   test.out   test.pdf   test.tex   test.toc   The .tex file and the .pdf file have an obvious use, but what do the other files do?  Thanks in advance.


Prove for all positive integers d, m, n. If d=gcd(m, n) then gcd(m, nk)=gcd(m, dk). So I messed around with it, and I started from the conclusion. I made gcd(m, nk)=x, gcd(m, dk)=y. Then by Bezout's Lemma ms+nkt=x, ms+dkt=y, s and t are integers. I think I can make these 2 equations and change it to the form of d=gcd(m, n). Maybe by dividing? But If I divide it by d, then ms/d+nkt/d=x/d, then this equation might not be integers anymore. I don't know that the next step is. Thank you for looking this over for me.

I know it might be too easy for you guys here. I'm practicing some problems in the textbook, but this one really drove me crazy. From $\gcd( a, b ) = 1$, I have $ax + by = 1$, where should I go from here? The extra $ac$ is so annoying. Any hint?    Thanks, Chan


here's my computer spec:   Ubuntu 14.04 LTS 64 bit always do package updates everyday   I'm installing teamviewer 10 by using gdebi similar to this link:   then there are many errors occur on log file, so I chmod all exe files in /opt/teamviewer/tv_bin$ and hope it's ready for connection  but then I get something like this (on logfile, wine):  fixme:service:scmdatabase_autostart_services Auto-start service L"MountMgr" failed to start: 2 fixme:service:scmdatabase_autostart_services Auto-start service L"PlugPlay" failed to start: 2 fixme:actctx:parse_depend_manifests Could not find dependent assembly L"Microsoft.Windows.Common-Controls" (6.0.0.0) fixme:ole:CoInitializeSecurity ((nil),-1,(nil),(nil),0,3,(nil),0,(nil)) - stub! fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:process:SetProcessDEPPolicy (3): stub fixme:ver:GetCurrentPackageId (0x32f8e4 (nil)): stub fixme:process:SetProcessShutdownParameters (00000100, 00000000): partial stub. fixme:win:EnumDisplayDevicesW ((null),0,0x32d510,0x00000000), stub! fixme:win:EnumDisplayDevicesW (L"\\\\.\\DISPLAY1",0,0x32d858,0x00000000), stub! fixme:win:EnumDisplayDevicesW ((null),1,0x32d510,0x00000000), stub! fixme:module:load_library unsupported flag(s) used (flags: 0x00000060) fixme:module:load_library unsupported flag(s) used (flags: 0x00000060) fixme:module:load_library unsupported flag(s) used (flags: 0x00000060) fixme:module:load_library unsupported flag(s) used (flags: 0x00000060) fixme:resource:GetGuiResources (0xffffffff,0): stub WARNING: QApplication was not created in the main() thread. Unable to load library icui18n "Cannot load library icui18n: (icui18n: cannot open shared object file: No such file or directory)"  fixme:ntdll:NtQueryInformationToken QueryInformationToken( ..., TokenElevation, ...) semi-stub fixme:winhttp:WinHttpDetectAutoProxyConfigUrl discovery via DHCP not supported fixme:bitmap:CreateBitmapIndirect planes = 0 fixme:msg:ChangeWindowMessageFilter 233 00000001 fixme:msg:ChangeWindowMessageFilter 4a 00000001 fixme:msg:ChangeWindowMessageFilter 407 00000001 fixme:msg:ChangeWindowMessageFilter 49 00000001 fixme:bitmap:CreateBitmapIndirect planes = 0 fixme:wtsapi:WTSRegisterSessionNotification Stub 0x1007a 0x00000000 err:ole:marshal_object couldn't get IPSFactory buffer for interface {00000131-0000-0000-c000-000000000046} err:ole:marshal_object couldn't get IPSFactory buffer for interface {00000122-0000-0000-c000-000000000046} err:ole:StdMarshalImpl_MarshalInterface Failed to create ifstub, hres=0x80040155 err:ole:CoMarshalInterface Failed to marshal the interface {00000122-0000-0000-c000-000000000046}, 80040155 fixme:msg:ChangeWindowMessageFilter c058 00000001 fixme:bitmap:CreateBitmapIndirect planes = 0 fixme:nls:GetGeoInfoW -1 4 0x32fc44 3 0 err:secur32:SECUR32_initSchannelSP TLS library not found, SSL connections will fail err:winediag:SECUR32_initNTLMSP ntlm_auth was not found or is outdated. Make sure that ntlm_auth >= 3.0.25 is in your path. Usually, you can find it in the winbind package of your distribution.   it's still not ready for connection.  any idea how to solve this?  I've tried to uninstall and install it again using teamviewer 9, same problem occurs.

I was trying to install Teamviewer, but I was getting a dependency error. I tried to install the required packages, but with no luck.  I'm getting this error:  Unpacking teamviewer (from teamviewer_linux_x64.deb) ... dpkg: dependency problems prevent configuration of teamviewer:  teamviewer depends on lib32asound2; however:   Package lib32asound2 is not installed.  teamviewer depends on lib32z1; however:   Package lib32z1 is not installed.  teamviewer depends on ia32-libs; however:   Package ia32-libs is not installed.  dpkg: error processing teamviewer (--install):  dependency problems - leaving unconfigured Errors were encountered while processing:  teamviewer   I tried   sudo apt-get -f install   Getting   Package ia32-libs is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source However the following packages replace it:   lib32z1 lib32ncurses5 lib32bz2-1.0  Package lib32asound2 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source  E: Package 'lib32asound2' has no installation candidate E: Package 'ia32-libs' has no installation candidate   I can't even get to the   sudo dpkg -i teamviewer_linux_x64.deb   If I force installation  sudo dpkg --force-depends -i teamviewer_linux_x64.deb   Although it's "Setting up Temviewer" it gives me this:    How can I fix this problem?


I am working through Applied Longitudinal Data Analysis: Modeling Change and Event Occurence by Singer and Willett, using the R code supplied . I am working through Chapter 11, on fitting discrete-time hazard models, and came across this model specification.   model <-glm(event~factor(period) + pt + pas - 1, family="binomial", data=firstsex.pp)   Which yields this output:  Call: glm(formula = event ~ factor(period) + pt + pas - 1, family = "binomial",      data = firstsex.pp)  Deviance Residuals:      Min       1Q   Median       3Q      Max   -1.1787  -0.6182  -0.4338  -0.2836   2.7862    Coefficients:                  Estimate Std. Error z value Pr(>|z|)     factor(period)7   -2.8932     0.3206  -9.024  < 2e-16 *** factor(period)8   -3.5848     0.4230  -8.474  < 2e-16 *** factor(period)9   -2.1502     0.2775  -7.750 9.20e-15 *** factor(period)10  -1.6932     0.2646  -6.398 1.58e-10 *** factor(period)11  -1.5177     0.2757  -5.504 3.71e-08 *** factor(period)12  -1.0099     0.2811  -3.592 0.000328 *** pt                 0.6605     0.2367   2.790 0.005266 **  pas                0.2964     0.1254   2.364 0.018089 *   --- Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1  (Dispersion parameter for binomial family taken to be 1)      Null deviance: 1139.53  on 822  degrees of freedom Residual deviance:  629.15  on 814  degrees of freedom AIC: 645.15  Number of Fisher Scoring iterations: 5   I am familiar with logistic regression but have never encountered the -1 in a glm model specification before. The interpretation of the regression coefficients in the book seems to be exactly the same as it usually would be.   I am finding it difficult to obtain any online examples where it is used. What does this -1 mean? Is it something unique to survival analysis?

I tried a regression in the form ${\rm logit}(Y) = {\rm coefficient}\times X + 0 + e$, where $Y$ is a binomial variable and $X$ is a factor variable with $n$ levels. I noticed that removing the intercept yields higher $p$ values. I'm wondering how to interpret it though.  Since removing the intercept makes it equal to $0$, I believe that the coefficients returned are relative to a $0$ probability of the event $Y$ and that all $X$ factors are in the $0$ state. But I think this is impossible isn't it?  $X$ are mutually exclusive factors, therefore it's impossible to have a case where no factor is $1$, at least in the presented observations. And it cannot be interpreted like the coefficient is relative to hypothetical cases in which really no one of the factors is present, because we have no data like that.  Regarding $Y$ having a $0$ intercept, wouldn't it mean forcing the probability of the event to $0$ when none of the factors is present? Again, this is an impossible case.  Nonetheless this kind of regression would allow me to retrieve pure probability range of the event Y given a factor by transforming the coefficients in the confidence intervals given as $\exp({\rm coefficient})/(1 + \exp({\rm coefficient}))$, and the $p$ values would test whether this probability is not $50\%$. This could also be a valuable result, since it would give independent probabilities for each factor.  Am I wrong?


To test the computer hardware, I have used Task Scheduler in Windows Server 2008 R2 to automatic reboot the computer direct after startup.  I have now done many reboots to verify the hardware, and want to disable the reboot scheduler. I have done it before, but now I don't remember how I do it.  I can start the computer in Safe mode. But in that mode, Task Scheduler is disabled. I wonder how I can disable the automatic reboot of Windows

Is there a way to stop Task Scheduler on startup?   I ask because I have made mistake while creating task, and now my computer shuts down after 1 min.  That's not enough time to open the Task Scheduler and turn it off.


I did the new update and I didn't have it backed up so I had to uninstall the game. I lost my account. How can I get it back?

I got Clash if Clans on my laptop and started a village. Then a couple of weeks later it said "This app was not installed properly". So I went and redownloaded it but it started a new account. How do I reclaim my old one back?


I am attempting to create a GIS Project with multiple Brazilian cities. I have been collecting, and am interested in, shapefiles that delineate the neighborhood boundaries of said cities.  One city's shape file that I have acquired is for Curitiba, Paraná (PR), Brazil. I obtained the city-neighborhood shape file from here: . You will find the file under "Divisa de Bairros" (Neighborhood Divisions).   I am using Quantum GIS to overlay these city shape files over Google Maps, because ultimately I may need to incorporate street or highway information in to my analysis. I am ambivalent ultimately about which source I use, and am open to solutions using Open Streets if possible.  I have read the GIS help files and followed the process to view the metadata in ArcMap to see what the coordinate system and/or projection system is for this shapefile. However, on reviewing the metadata it says that the coordinates have "No Z Values" and "No measures" and there is not defined coordinate system.  My question is: How can I fix this coordinate/measurement issue so that I can correctly project the location of the Curitiba city shapefile on either the Google Maps or Open Streets projections so that I may move forward with my project?  Note: I have already contacted the creator(s) of the files and asked if they may provide any additional information. I will post or answer my own question as need be.

I have a Shapefile but its coordinate system is Unknown, and there is no *.prj file.   How can I identify it now?


I'm searching for something like this video here shows:   It's the only thing I've found so far for "paged" forms, I don't even know if this is the right search term (comment if you know how this is called). The video explains what I want to do, but I think there must be a better way to do this than just stacking many panels, it seems pretty messy/hacky.   Is this the way to go or have you a better idea to achieve "pages" on a form?   I'm currently using .NET 3.5 but everything else is also fine (including WPF), I can easily switch if necessary.

I have a form that will multiple Panel controls stacked on top of each other, each one being shown/hidden based on other selected options on the form. This has been a real pain to manage in the form designer as the panels don't behave like a full TabControl. However, it doesn't look like you can use a TabControl without the tabs. What is the best way to handle this? Is there a control like the TabControl, but without the tabs?


I recently started using ReadyBoody on my Sandisk Cruzer Edge 16GB USB, and when I needed to copy files into the USB, I could simply go right click USB > Properties > ReadyBoost > turn off ReadyBoost.   However, now I have a message  this device is mounted read-only. This usually happens with write-protected media or when BitLocker Policy's setting has prohibited write-access ..." but in actual fact, I hadn't done any write-protection, nor turned on BitLocker.  I can't format it (though, I wish I could, if I could), because it says it is write protected, and I have tried formatting through Safe Mode with Command Prompt too, no success. Also have tried using PNY UFD UFIX II Formatting tool, with no success.  I have also turned off BitLocker settings so that it allows writing, but to no success. I've also seen a couple of posts regarding going to regedit and changing that values in Storage Drivce Policies and usbstor to "0" but with no success.  My USB has no write-protection button/ switch on it either.  The strangest thing is I can see the ReadyBoost Cache file on my USB. It's not an issue of turning ReadyBoost on or off (so please don't start going on about how useless it may be like some other threads), but an issue of reclaiming my USB.   Anyone that can help me reclaim my USB? Thanks all

When I plug in my USB flash drive, it shows up on my computer as write-protected or read-only. I am unable to transfer data to it, nor can I modify or delete any files already stored on it. I also cannot repartition or reformat the drive using Windows Disk Management, DiskPart, GParted, or other tools. The drive does not have a write-protect switch.  Why did this happen and what can I do about it? Is there a way to remove the write protection?  (Note that this can happen with some memory cards, too, as they often use controllers similar to those used in flash drives. In some cases, the system may report that the drive or card was formatted successfully even though it was never actually formatted; the original data reappears when the device is reinserted.)     This question comes up often and the answers are usually the same. This post is meant to provide a definitive, canonical answer for this problem. Feel free to edit the answer to add additional details.


I create some models for 3D-printing, and as are several cm large I use scaling 0.01 (1 cm). Then I convert the result to .stl and pass it to Slic3r to create .gcode. What I expect is scaling back by *100 will give me the correct result. However, in that case I get models 10 times smaller, and scaling by *1000 does the job. I wonder if I don't understand smth or it's a bug of either Blender or Slic3r. So, it this a bug? How to check if it's because of Blender of Slic3r?

I've set my Units (in scene properties) to Metric, and the Scene Scale to 0.01 hoping to get the Blender dimensions it mm's. While the (normal) scale is 1 for x,y,z, the standard cube has the dimensions 2x2x2 cm. When I export this to an STL and open it in a slicing program (Netfabb, Slic3r or Cura) they all give the dimensions: 2x2x2 mm. While exporting, the scale is 1.  What am I doing wrong? I hope you can help me.  Thanks!


How do I select everything that is inside of my scene OBJECT wise? I have too many objects in my scene for me to select them all with Shift + RMB

Is there a way - using key commands - to select all?  I have a sphere that has some vertices deep inside that only appear when I move the ball, and they are not selected no mater if I use the C or the B select keys.  If I could "select all" the program should be able to get these little rouge vertices that I can not seem to collect when I try either C or B.   Thank you


I'm trying to install it on a HP Pavilion 524g that is running Windoes XP right now, however it's just stuck at this purplish screen and hasn't asked me to do anything.  Could it be a disc error or just taking it's time?

I am trying to boot Ubuntu on my computer.  When I boot Ubuntu, it boots to a black screen.  How can I fix this? Table of Contents:


There is an entire function $f$, that is bounded by polynomial $p(z)$ with degree $n$, meaning that  $|f(z)|≤|p(z)|$ for every $z\in\mathbb C$.  Show that $f$ is a polynomial of degree at most $n$ (less or equal to $n$).

Suppose that an entire function $f(z)$ satisfies $\left|f(z)\right|\leq k\left|z\right|^n$ for sufficiently large $\left|z\right|$, where $n\in\mathbb{Z^+}$ and $k>0$ is constant. Show that $f$ is a polynomial of degree at most $n$.


Prove that $$\int_{0}^{\infty} \frac{dt}{1+t^{n}}=\frac{\pi}{n}\csc\frac{\pi}{n}$$ Please help,I don't have a clue

It is quite easy to show that (by using residue theorem) $$\int_0^{\infty} \frac{1}{1+x^n}dx = \frac{2 \pi i^{1+2/n}}{n(e^{2 \pi i / n} - 1)} $$ for $$n \ge 2$$  Is there any possibility to simplify $$\frac{2 \pi i^{1+2/n}}{n(e^{2 \pi i / n} - 1)}$$ or it is best result?  Thanks in advance!


I am unable to install software using brew install. I have tried brew cleanup & brew update, and deleting the file, but it just does not work!  This is the error message:  ==> Downloading http://ftpmirror.gnu.org/automake/automake-1.14.tar.gz ######################################################################## 100.0% Error: SHA1 mismatch Expected: 648f7a3cf8473ff6aa433c7721cab1c7fae8d06c Actual: 3432ee773dd67c6333bdeda956bd364497630fab Archive: /Library/Caches/Homebrew/automake-1.14.tar.gz (To retry an incomplete download, remove the file above.)

I am unable to install any software packages using homebrew. I get the following error when I try to install any softwares.       Rahuls-iMac:local rahuljeevanandam$ brew install mysql     ==> Installing mysql dependency: cmake     ==> Downloading https://downloads.sf.net/project/machomebrew/Bottles/cmake-2.8.1     Already downloaded: /Library/Caches/Homebrew/cmake-2.8.10.1.lion.bottle.tar.gz     Error: SHA1 mismatch     Expected: 31856bbd662ca47c325761fc7040e43f9a635c64     Actual: 4b2ea1d2785009c32d85d1d0e0c7dc4cd68322b7     Archive: /Library/Caches/Homebrew/cmake-2.8.10.1.lion.bottle.tar.gz     (To retry an incomplete download, remove the file above.)      Rahuls-iMac:local rahuljeevanandam$ brew install wget     ==> Downloading http://ftpmirror.gnu.org/wget/wget-1.14.tar.gz     ######################################################################## 100.0%     Error: SHA1 mismatch     Expected: c487bce740b3a1847a35fb29b5c6700c46f639b8     Actual: ca98a1bf07f850bc23731fd15d869d1b73ef8c84     Archive: /Library/Caches/Homebrew/wget-1.14.tar.gz     (To retry an incomplete download, remove the file above.)


I have bipolar disorder and take medications that make me foggy and confused.  Because of this I am thinking of asking for extra time on tests.  But I generally score in the upper half of my classes, even when I am taking my medication.  Should I still register with the disability office?  Also, my advisor is teaching the class I'm taking, and many of the TAs are people I already know, who may think I am trying to game the system.  Edit: Also, do you think I should try to get accommodations for my qualifying exams?  Or are those not a thing?

I have ADHD (real, diagnosed ADHD, not just "I-say-I-have-ADHD-because-it's-trendy" ADHD). I have never taken the extended time exams that are offered for ADHD students, because I have never needed to, and it was diagnosed just a year ago. However, exams do stress me out and I am certain I would do better on them with some more time - but this is true for almost anyone, not just ADHD students. Thus, would it be unethical to make use of the ADHD services offered to me?  (Edit: You might ask - why would you want to / feel it is justified? Well, hypothetically say ADHD students only achieve 75% of their "non-ADHD" potential in a standard-time setting. Maybe, even though I am doing well, I would be doing even better if I did have the extended time or didn't have ADHD, i.e. due to my exhaustive preparation, even with the disadvantage of my ADHD I am still managing to get a high score. But, with a "level playing field" [extended time for me], I would be at the top of the class. However, I still don't know if this is logical / ethical.)


I can not use the insert all to insert values into the first_name,last_name and phone columns.  CREATE TABLE accounts (     account_id NUMBER GENERATED BY DEFAULT AS IDENTITY,     first_name VARCHAR2(25) NOT NULL,     last_name VARCHAR2(25) NOT NULL,     email VARCHAR2(100),     phone VARCHAR2(12) ,     full_name VARCHAR2(51) GENERATED ALWAYS AS(              first_name || ' ' || last_name     ),     PRIMARY KEY(account_id) );  INSERT ALL INTO accounts(first_name,last_name,phone)VALUES('John','Mobsey','410-555-0197') INTO accounts(first_name,last_name,phone)VALUES('Ted','Scherbats','410-555-0198') INTO accounts(first_name,last_name,phone)VALUES('Leeanna','Bowman','410-555-0199') SELECT* FROM DUAL;   This is the error message I get when I try to Run the code:     ORA-00001: unique constraint (BTMDATABASE.SYS_C0086595925) violated   ORA-06512: at "SYS.DBMS_SQL", line 1721   1. INSERT ALL 2. INTO accounts(first_name,last_name,phone)VALUES('Trinity','Knox','410-555-0197') 3. INTO accounts(first_name,last_name,phone)VALUES('Mellissa','Porter','410-555-0198')


I'm using lualatex 0.95 and up-to-date bm package. Before updating lualatex, I could always use \bm{} but I can't use it any longer.  Compile seems to go with no problem.  Here is the code.  \documentclass{ltjarticle} \usepackage{luatexja} \usepackage{bm}  \begin{document}  \bm{a}  \end{document}   How can I solve this problem?    Other people have the same problem.  Japanese Forum   StackExchange   StackExchange     Thank you in advance.

I've updated my latex packages yesterday and have now issues with lualatex. One problem arising for me now is, that lualatex does not print bold characters using the bm package.  When I compile the following MWE with pdflatex everything looks okay, but for lualatex it doesn't:  \documentclass{article} \usepackage{bm} \begin{document} % Bold $\bm{E}$ \\ Normal $E$ % \end{document}   Output using pdflatex    using lualatex    Also trying to fall back to an earlier version of lualatex by using \RequirePackage{luatex85} does not work for me.  When having a look at the log file, there are the suspicious messages   LaTeX Font Info:    Redeclaring math alphabet \mathbf on input line 142. LaTeX Info: Redefining \bm on input line 208. [...] Missing character: There is no х (U+0445) in font cmmi10!   Can anyone tell me, what is going on here and what I need to do to solve this problem, since I am quite sure lualatex and bm worked before?


Apparently Jon Skeet has decided to test if reputation is stored as an int by causing an overflow. On the way there he has broken yet another boundary. He now has more than a million reputation on . But that causes this weird "1108k" to appear instead of a clean "1.1M":    My feature request is to add the M. And if you're at it, maybe also B, T and Q? That should then be enough until the sun becomes a red giant and engulfs the Stack Exchange servers. I'm reporting this as a feature request, because so far I wasn't able to see a bug. Since the number of bronze badges already wraps to the next line, he should need a lot more reputation to actually break something.

I read on  ()    Shouldn't it be 1.03m or (if we really follow the conventions of the metric system) 1.03M instead?


Suppose that a ≡ b mod n and c ≡ d mod n.   (a) Prove that a + c ≡b +d mod n.   (b) Prove that a −c ≡ b − d mod n

Using the definition of congruence mod n, prove that if a ≡ b (mod n) and c ≡ d (mod n), then a + c ≡ b + d (mod n). I've seen a couple of different examples of how to do this, mostly using s and t, but I am really struggling to understand the proof, and how to write it.


I'm not sure how to approach this. I've seen a proof how to prove that $[0,1]$ is uncountable. I thought of doing this by contradiction, and assuming that $X$ was countable, but I can't really go anywhere with it.  How would I approach this?

How can I prove that the set of all functions from $\mathbb{N} \to \{0, 1\}$ is uncountable?  Edit:  This answer came to mind.  Is it correct?  This answer just came to mind.  By contradiction suppose the set is $\{f_n\}_{n \in \mathbb{N}}$.  Define the function $f: \mathbb{N} \to \{0,1\}$ by $f(n) \ne f_n(n)$.  Then $f \notin\{f_n\}_{n \in \mathbb{N}}$.


I'm addicted to curries and recently I participated on an internet discussion about oil separation in a curry. It is conventional wisdom that oil separation in a curry indicates the food finished cooking and that everything is ready. I take this for granted, but what I am really looking forward to is a technical explanation in english for this event. How exactly does the oil separation culminate with the finishing of cooking of the curry sauce and its ingredients?

I was always taught when cooking Indian dishes to fry spices in a chopped/pureed onion and garlic mixture to release their flavour and essential oils.  I was also taught that when the oil separates from the mixture, the spices are done and you can carry on with the next stage of the dish.  That's the principle technique I've always used.  Can someone please explain why the oil separates and what this signifies? Have the spices absorbed as much of the oil as they can and release the rest?  I'd really like to understand this process.


What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them?  What methods/tools can be used to determine the cause so that you stop the exception from causing the program to terminate prematurely?


After thinking about it, I'm trying to delete my Area 51 account. (Sure, some of the proposed sites are interesting, but it's not really worth the hassle to me right now, and I find having "unnecessary" sites kind of distracting.)  Naturally, having had experience with deleting sites before, I went to the "contact us" link to fill out a deletion form. But on Area 51 (and, I suppose, not on other sites),  is apparently associated with the meta site. As a result, after I filled out my deletion form, I received a notification that     this operation cannot be performed on a meta site; please continue on the main site   But the "contact us" page for the main site is the same one as that of the meta site, and moreover is hosted on the meta section of the site. I can't "continue on the main site", and it's thus impossible to delete my account.

I have accounts in Stack Overflow, Programmers, Unix & Linux and Area 51. I don't want to continue my Area 51 account, so I planned to delete my Area 51 account. I have performed the following steps to delete my account, but I couldn't!  Case 1     If your account has votes or posts do the following steps:         Edit the "About Me" section of your profile to say “please delete me”.   Contact the SE support to request deletion.      I edited my "About Me" section to "please delete me". When I contacted SE Support to delete my account, I couldn't make a request. I am getting the following error:  This operation is incomplete. please do it in main site.   For deleting Area 51 account, when I do it main site, in link for deletion column I gave the Area 51 link. It says that:  it is not valid link!   Case 2     If the account has not interacted with the site yet (votes or posts), click on the delete button on your user page next to the edit link.   I am not eligible for this case!  Then how to delete my Area 51 account? Any help is appreciated!


I usually login using my Google account. But sometimes I don't want to login with my Google account, and I would like just to enter my username and password in Stack Exchange and logon to my current account. How to organize that?  I am trying to add more logins:    But I don't see "Create Stack Exchange login" or something like that.

I no longer use the service that I originally used to register, and would like to change the service I use to log in, or at least add a second account.  Is this possible? How do I change my login provider or associate a backup method to log in?     For more information, see "" in the .


If a rogue hits someone with a scimitar of sharpness and the preconditions for sneak attack are in place, does the rogue also get to maximize the damage of sneak attacks? For reference the  states:  When you attack an object with this magic sword and hit, maximize your weapon damage dice against the target. [...]

The  says:     When you attack an object with this magic sword and hit, maximize your weapon damage dice against the target.   Do some other effects (language use is intentional) add on to this, or is it only the weapon's damage based on the weapon chart in the Player's Handbook?  Examples:   Are the 's Sneak Attack damage dice maximized? Is the 's extra damage die from its Brute trait maximized? If I customize the sword to do extra cold or fire damage (based on a die roll), are those damage dice maximized?


Suppose $(X_{i}, \Vert \cdot \Vert_i)_{i\in I}$ are all normed spaces over the same field $\Phi= \mathbb{R}, \mathbb{C}$ and suppose $X= \prod_{i \in I} X_i$ is the product space. I want to show that the product topology on $X$ is normable iff $I$ is finite. My work in the '$\Leftarrow$'-direction, is to show that the bases for the two topologies are equal and so therefore generate the same topology.   In the other direction however, I seem to get stuck, since I think the right way to go about it is to suppose that $I$ is infinite, but that the product topology on $X$ is normable and try to reach a contradiction, but I can't figure out where the contradiction is supposed to come from?

Today I proved that if $V$ is a normed space with norm $\|\cdot\|$ then I can define a norm on $V \times V$ that induces the same topology as the product topology as follows: $\| (v,w) \|_{V \times V} = \|v\| + \|w\|$.  I think I can do the same for an infinite product $V^{\mathbb N}$ by defining $\|(v_n)\|_{\mathbb N} = \sum_{n=0}^\infty \frac{1}{2^n} \|v_n\|$ and I proved it using the proof of the case $V \times V$ and changing some minor things.  Can you confirm that this result is correct? Thanks.


How to prove $V*V^T=I$ in SVD: $M=U*S*V^T$?  It's easy to understand $V^T*V=I$. It seems  $V*V^T=I$, but how to prove it?

If $A$ and $B$ are square matrices such that $AB = I$, where $I$ is the identity matrix, show that $BA = I$.    I do not understand anything more than the following.   Elementary row operations. Linear dependence. Row reduced forms and their relations with the original matrix.   If the entries of the matrix are not from a mathematical structure which supports commutativity, what can we say about this problem?  P.S.: Please avoid using the transpose and/or inverse of a matrix.


I am trying to install torrent, so I typed some commands like:  sudo apt-get install libssl0.9.8:i386   after this command:  [sudo] password for shiddhant:   here is the problem comes, the cursor was only blinking, no input was accepted and nothing work then. So I have to close the terminal and I can't run torrent.

When I'm about to install a program in the terminal it wants the password:  [sudo] password for xxx:   But when I start to type my password nothing happens. What should I do?


Was Messi's Penalty Kick against Celta de Vigo in La Liga 2016 considered a miss, according to FIFA rules?  In  it's established that it is possible to 'pass' a penalty kick, however does it count as a miss?

I saw a video of Johann Cruyff , isn't that against the rules?


How can I add subtitle in my report. How can I add logo (graphics) after date.  \documentclass[a4paper,twoside,10pt]{report} \fancypagestyle{empty}{   \renewcommand{\headrulewidth}{0pt}   \fancyhead[L]{}   \fancyhead[C]{\includegraphics[width=12cm]{logo.jpg}} }  \begin{document}  \title{(Title)} \subtitle{( ABC......(new line) Timeperiod: 10.11.-12.11.12)} \author{(Author)}  \maketitle  \end{document}

The standard titlepage is quite simple. I am looking for a very  and need help customizing my title page.  It should match the  classicthesis doctoral thesis template  Below a minimal working example:   \documentclass[12pt,a4paper,footinclude=true,twoside,headinclude=true]{scrbook} \XeTeXinputencoding iso-8859-1 \usepackage[marginparsep=8pt,left=3.5cm,right=3.5cm,top=3cm,bottom=3cm]{geometry}  \usepackage[parts,pdfspacing,dottedtoc]{classicthesis}    \frontmatter  \begin{document}     \pagestyle{scrheadings}        %this is the place to set up my cover sheet.       %*******************************************************      % Abstract     %*******************************************************    %\renewcommand{\abstractname}{Abstract}    \pdfbookmark[1]{Résumé}{Résumé}   \begingroup    \let\clearpage\relax    \let\cleardoublepage\relax    \let\cleardoublepage\relax       \chapter{Résumé}     Résumé de la thèse en français\dots      \vfill      \chapter*{Summary}   Résumé de la thèse en anglais\dots    \endgroup             \vfill     \end{document}


I left my dragonite at a gym last week and it still hasn't been returned.  Is it a glitch?  It is a high level in a small town, but I figured it would be overthrown by now.  Any suggestions?

I captured a gym today just before the servers went down. I am wondering if I lost my progress. Is there a way to see if I own a gym or not?


i'm modeling a 3D rabbit...does Blender have a option to add 'noise' to the geometry? like a sphere or a cube? i need it to do the tail, that looks like a cotton ball or something like that.

I want to create a mesh that looks like this sheep:     How could I go about achieving a look like this(I'm talking specifically about the puffy body of the sheep)? I tried using multiple spheres together and using a single sphere and sculpting it with the blob brush, but neither really got the look I wanted. I want it to look cartoon like in the picture, so I don't need realistic fur or anything like that. Any tips?   My blob brush monstrosity:


I had made some progress with this  code going through the while loop giving me all the lines of a text file but I keep getting a reoccurring error called java.io.nullException.   public static void main (String[] args){ Msg msg = c.element(); String line = msg.getLine();  Map<String, String> attributes = msg.getAttributes(); ArrayList<String> list = new ArrayList<String>();  try {  BufferedReader file = new BufferedReader(new FileReader("pro.txt"));  String line;   while ((line = file.readLine()) != null)   Pattern regex = Pattern.compile ("[^\\s\"]+|\"[^\"]*\""); Matcher regexMatcher = regex.matcher(line); while (regexMatcher.find()) { String match = regexMatcher.group(); match = removeLeadingChar(match, "\""); match = removeLeadingChar(match, "\'"); list.add(match); } System.out.print(line);

What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them?  What methods/tools can be used to determine the cause so that you stop the exception from causing the program to terminate prematurely?


Viewing a 3d object is considered rendering. Hence, why is there even a "Render Image" option, and why is it so slow on my computer? --Edit-- Not sure why no one understands the question. Whenever you rotate your 3D model around, that's considered rendering. Hence by that logic the "Render Image" button is worthless.

What are the technical differences between F12 render and viewport preview render, if any?   is all the documentation I could find about Cycles viewport rendering:     interactive rendering can be started by setting a 3D view editor to draw mode Rendered. The render will keep updating as material and object modifications are done.


Sometimes I want to keep my question as it is and want clarification on it. So I don't want to allow edits on it. Sometimes it happens that some authors change the question in a way that changes the meaning of my question. How I can do this?

I would say a quarter to half my questions end up getting edited the vast majority of which end up dramatically changing the context of my question. I'm not against good advice (I've acted on about 2% of all the criticisms I have ever had about my work since they were actually thoughtful) though I think since I joined overflow sites years after I've had a good grip on most of the material I work with people are seeing low reputation and presuming that equates to low levels of comprehension.  Regardless of the reasoning behind people making edits is there an option I can use that would require my approval in order to commit an edit to my questions?   I have no interest in spamming questions in order to artificially boost my reputation. I am getting tired of having to add bullet points telling people to ask for clarifications instead of editing my posts. Having to correct my posts so often reduces my desire to ask the question if I have to review the question again (even with the revision pages available). As this is a discussion there is no reason to edit this post, I will be happy to revise my own if you leave comments as I actively follow questions I participate in though the office of redundancy redundancy requires that I state I know what I am asking.   For example, say I post about Kubuntu (which by default uses KDE) and someone edits it changing the OS to Ubuntu (which uses Gnome by default). Then, answers become Gnome-oriented for a KDE question and the entire context has been changed--negating the point of asking the question in the first place.


I know, this question was asked before several times, but I didn't find the answer suitable for my task. I asked the same question on  already, but, I guess, this community is more attuned to WordPress related questions.  I want to search in forum for the same keyword and then simply add results to existing WP search results array. In Joomla there's an event for it, which allows you to add custom searches by plugins. Only when all plugins were fired, pagination is calculated. WordPress seems to work in a very different way and it confusing me right now.  The main condition: it MUST work on main search.php, so custom search pages are not a solution.  I've added pre_get_posts hook to my plugin and queried forum by the same keyword. Then adjusted the look of forum results with the_permalink, author_link, the_author, the_category hooks. I even changed the number of posts found and pagination now shows proper number pf pages. No problem with that.  What I have problem with, is pagination behavior and querying of forum, when WordPress has no more posts matching criteria.  Long story short, forum results should be added to WP results and, ideally, sorted by given criteria (title, date, etc.).  Can anybody give me an example on where and when should I add my results properly? Honestly, I'm a little lost here.  A little update...  Joomla has a very simple algorithm in processing results from different plugins (queries). First it queries its own database, then calls all search related plugins and passes them current array of results. Each plugin simply pushes its own results to this array. And only then pagination is calculated. Easy-peasy.  Basically, I need the same: somehow push the results from forum to WP results array and make pagination work. I don't want forum to be searched from some widget and results displayed on other search page. This I know how to achieve.

On the search results page (search.php) I would like to perform an additional WP_Query to keep a specific order of search result types e.g. search results from authors should always be shown before the other results -  The first few pages should hold the author results, the other results should be shown on all the following pages only (not mixed on each page).  global $wp_query; //holds the results of the initial search query  $authorposts = $wp_query->posts;     $query = new WP_Query( 'year=2012&monthnum=12&day=12' ); $otherposts = $query->posts;  $wp_query->posts = array_merge( $authorposts, $otherposts  ); $wp_query->post_count = count( $wp_query->posts );  if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>   //show results loop...   The problems appear with the behaviour of pagination - while the $authorposts seem to paginate correctly i.e. correct page numbers for author posts and pagination works as only those where existent. But the $otherposts on the other hand are shown at the bottom of each page, right under the author posts. And they are the same on every page! Also the page count reflects the count of the first query only.  I have also tried to merge with the plus operator:  $wp_query->posts = $authorposts + $otherposts;   but in this scenario the $otherposts don't show up at all and the page count stays the same (page count for author posts).  All the examples with similar goals using two separate queries I've seen looked quite the same -  So I'm wondering if the my way of extending the original search query results with that additional WP_Query is sufficient or if I'm missing some $wp_query fields to be populated (correctly)? What's the correct way doing this?  Update: It should be noted that I'm using the WP-PageNavi plugin to paginate but this should not be relevant in the first place as the first page is already rendered wrong. And it's also initialized with the query object: wp_pagenavi( array( 'query' => $wp_query ));


In my PHP code I try to get data from my database but I get   "Warning:  mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given"   as an error.   I found on stackoverflow that this indicates that my SQL query is getting back false. if I copy my sql query into the phpmyadmin sql field everything works just fine.  I tried various different notations (giving 1 and true for the boolean "fährt")  $sql = "SELECT * FROM `$params` WHERE `fährt` = 1" ; $result=mysqli_query($conn,$sql); if(mysqli_num_rows($result) != 0){     while($row = mysqli_fetch_array($result)){         echo "<br>".$row[0]."-".$row[1]."-".$row[2]."-".$row[3]."-".$row[4]."-".$row[5];     } }else{     echo "Fehler"; }   Expected: One entry from my database  Actual output: Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given  UPDATE  So I tried what was said in the comments but it for me it does not explain why it works when I copy it to phpmyadmin. Furthermore it does work without the where clause.

I'm setting up a new server and want to support UTF-8 fully in my web application. I have tried this in the past on existing servers and always seem to end up having to fall back to ISO-8859-1.  Where exactly do I need to set the encoding/charsets? I'm aware that I need to configure Apache, MySQL, and PHP to do this — is there some standard checklist I can follow, or perhaps troubleshoot where the mismatches occur?  This is for a new Linux server, running MySQL 5, PHP, 5 and Apache 2.


How to install GUI on Ubuntu Server 12.04 from USB stick without internet connection

I have a friend who has got a computer that is not connected to the Internet. Is there any way to install software offline easily?


Sauron seems hell bent on getting back the One Ring.  Any word on what he planned to do with it?  The question linked as duplicate is about Sauron wearing the ring, which isn't really what I am going for.  Of course he's going to wear it.  Then what is he going to do with the ring?

Assuming one of Sauron's servants managed to recover the Ring, what exactly would Sauron do with it? He had no physical body to manipulate it and no finger to put it on. I guess he would have constructed a physical body for himself, but how? How would he get in "possession" of his Ring again? Just by a small enough distance between the Ring and the "Eye of Sauron"?  What would be the scenario of the event when one of Sauron's servants returns with the Ring?


Suppose a conducting spherical shell with a cavity inside it is placed in a uniform horizontal electric field. My question is: Will the electric field in the cavity be zero? I understand that the electric field in the conducting region will be zero. Also from what I understand, due to electrostatic shielding, the charges/field outside the cavity do not affect the field inside the cavity, therefore, the field inside the cavity must be zero too. Is this correct?

In many introductory books on electrostatics, you can find the statement that the field inside a conducting shell is zero if there are no charges within the shell. For example, if we place an uncharged conducting sphere in a uniform electric field we would get something like this:  For simplicity, I have drawn a uniform external field and a spherical shell, but the internal field is zero for any external field and any shape of the shell. We know the field in the metal of the conductor is zero, so the external field must induce a charge separation in the conductor and this charge separation produces a field that cancels out the external field within the metal of the shell (shaded blue in the diagram). However, there is no obvious reason why the field should also be canceled to zero in the interior of the shell. Although it is widely stated in introductions to electrostatics that the field is zero in the interior of the shell I cannot find proof of this. So the question is how we prove that field inside the shell is always zero whatever the external field and shape of the shell?


A $T1$ space is a topological space where, for any 2 points, each has a neighborhood not containing the other. I wonder if every singleton being closed is an equivalent condition, and what the proof for that is. I also wonder if the following condition is equivalent: for any 2 points $x$ and $y$, every neighborhood of $x$ is disjoint from every neighborhood of $y$.

The definition of $T_1$-Space is:  A topological space $X$ is said to be $T_1$ if for each pair of distinct points $a,b, $ $\exists$ open sets $U,V$ s.t $a\in U, b\notin U, a\notin V, b\in V$.  What I'm confused about is in a $T_1$ space, all singleton subsets of $X$ are closed. Let $t,v \in X$. Then I think the singleton sets $\{t\}$ ,$\{v\}$ satisfy the definition of $T_1$ in $U$ and $V$ what I wrote above. (i.e $t \in\{t\}$, $v\notin \{t\}$, $t\notin\{v\}$, $v \in\{v\}$.) I learned the theorem showing this result and I can understand the proof of it, but I'm still confused as to why this is not a counterexample.


I'm having trouble getting a for loop in my program to wrok. I'm not sure what I'm doing wrong. I've been working on it for about 3 hours and still have no clue what to do.  I fixed the while statement. That is not the problem. The problem is with the for loop towards the bottom of the code.  Here is my code:      while(!(strSelection=("5")))     {         strSelection=JOptionPane.showInputDialog(                                                     null, "~~Please make a selection from the menu below~~"+                                                     "\n\n1. Add a new advisee"+                                                     "\n2. Update and advisee's information"+                                                     "\n3. Display all advisees"+                                                     "\n4. Display advisees who are cleared to graduate"+                                                     "\n5. Exit"+                                                     "\n\nWhat is your selection?", "Menu", 3);          switch(strSelection)         {             case "1":                  String strString;                 String strHours;                 int iHours;                 String strMajor;                 boolean blnMajor;                 String strIntent;                 boolean blnIntent;                  adv[iCount]=new Advisee();                 adv[iCount].setName(JOptionPane.showInputDialog(null,"What is the advisee's name?","Name",3));                 adv[iCount].setID(JOptionPane.showInputDialog(null,"What is the advisee's ID?","ID",3));                 adv[iCount].setConcentration(JOptionPane.showInputDialog(null,"What is the advisee's concentration?","Concentration",3));                 adv[iCount].setAdvisor(strAdvisor);                 strHours=JOptionPane.showInputDialog(null,"What are the advisee's completed hours?","Completed Hours",3);                 iHours=Integer.parseInt(strHours);                 adv[iCount].setHoursCompleted(iHours);                 strMajor=JOptionPane.showInputDialog(null,"Does the advisee have the major sheet?","Major Sheet",3);                 blnMajor=Boolean.parseBoolean(strMajor);                 adv[iCount].setMajorSheet(blnMajor);                 strIntent=JOptionPane.showInputDialog(null,"Does the advisee have the intent to graduate form filed?","Intent To Graduate",3);                 blnIntent=Boolean.parseBoolean(strIntent);                 adv[iCount].setIntentFiled(blnIntent);                 iCount++;                 iAccum++;                 break;              case "2":                 String strUpdateSelection;                 String strOutput="";                 String strAccumulator="";                 System.out.print(iAccum);                 for(iCount=0;iCount==iAccum;iCount++)                 {                     strOutput=adv[iCount].getName();                     strAccumulator+=strOutput;                 }                  strUpdateSelection=JOptionPane.showInputDialog(                                                                 null,"~~Please select which advisee's information you need to update~~"+                                                                 "\n"+strOutput+                                                                 "\nWhat is your selection?","Information Update",3);                  break;             case "5":                 System.exit(0);                 break;         }      }                                            } }

I've been using the == operator in my program to compare all my strings so far. However, I ran into a bug, changed one of them into .equals() instead, and it fixed the bug.  Is == bad? When should it and should it not be used? What's the difference?


I seem to have put too much detailed information in my previous question, confusing the masses.  My apologies.  Let me try again from a different angle.  I want to rotate labels interactively/visually, using edit tools.  I don't want to use the Data defined Rotation method, found under Layer Properties > Placement.  Is there a way to interactively rotate labels in QGIS using any of the edit tools?  While Data defined Rotation works well, it is tedious to set the text rotations for a feature, having to manually enter and "guesstimate" the text angle value into the attribute fields.  Especially for point and polygon features.

I'm using QGIS 1.8. I'd like to customize label features on an existing shapefile using the new label engine and it's "data defined settings" option. I'd like to know what the attribute table field types should be for each of the settings: All 7 font options, all 2 buffer options, and all 6 position options. Should they all be numeric fields, or some text, or both? I want to create these fields in the attribute table correctly so that I can map them to the label field settings. I can't find information on the proper field types anywhere. Thanks for your thoughts.


Our application stopped working suddenly due to The transaction log for database 'tempdb' is full due to 'ACTIVE_TRANSACTION'.. Now, it start working again. But how can I know the exact reason for this error came?

A few days ago the amount of used space in both the tempdb data and log files started growing rapidly.  After 30 minutes, the tempdb log remained around 99% space used for about 7 hours.  Towards the end of the 7 hour period, I:\Databases\templog.ldf: Operating system error 112(There is not enough space on the disk.) encountered. was logged followed by about 30 instances of The transaction log for database 'tempdb' is full due to 'ACTIVE_TRANSACTION' over a 3 second period, and then suddenly the tempdb log file returned to 1% used space.  This usage data is recorded in logs every 3 minutes via a SQL agent job. I also have a SQL agent job that runs sp_WhoIsActive every 1 minute and captures the output.  I don't see anything that stands out in this data that explains what was consuming or holding space in the tempdb.  There are some maintenance jobs running for several minutes at a time, typically running no longer than 5 or 10 minutes each.  Even if one of those jobs or another session used up tempdb log space, I would expect the space to be reclaimable after any transactions complete or at least after the session ends.  It's a 200 GB drive dedicated for tempdb data and log files. Both the data and log files grew during this time until there was no more space on disk. There's a tempdb_2.ndf file I don't recall seeing before (maybe it's always been there...).  tempdb.mdf and tempdb_2.ndf are the same exact size, around 29 GBs each.  templog.ldf is using 137 GBs. Running Microsoft SQL Server 2017 (RTM-CU15-GDR) (KB4505225) - 14.0.3192.2 (X64)  I'm trying to understand what happened and how to prevent it again.  Is it possible for tempdb log space to not be reclaimable for hours even if there are no sessions running for anywhere near that long? What caused tempdb log space used to suddenly free up 3 seconds after the above error messages (not enough space on disk and tempdb transaction log is full)? Is sp_WhoIsActive logging not enough to capture what process was holding onto the tempdb log space, what other additional logging can I do? If the tempdb log space used was actually reclaimable but a glitch in SQL Server prevented it from clearing out, is there a T-SQL command I can run to try and free up available space in the log?  Any thoughts or suggestions are very appreciated.


Windows+Ctrl+←/→  move the viewport between virtual desktops.  How I can move the active window between virtual desktops using the keyboard, however?

I just installed Windows 10 developer preview but can't figure out how to cycle through the new virtual desktops with the keyboard.  I'm looking for the following shortcuts if they exist:   Switch to the next/previous desktop Go to desktop number N Close the current desktop Open a new desktop   Are these controls implemented yet?


If I have two identical AC/DC adapters(Such as laptop adapters) can I achieve this as in the following illustration? Would it be safe?:

I have two 9 V, 300 mA wallwarts and would like to connect them in series to produce +9 V, 0 V and -9 V. This can be done with two 9 V batteries (as seen below), but can I do this with two non-identical wallwarts?


Why the below code throws null pointer excetion in test.put(1,"sd")  public class HashMap {   @SuppressWarnings("null")   public static void main(String a[]){     Map test = null;     test.put(1, "sd");       System.out.println(test);   } }

What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them?  What methods/tools can be used to determine the cause so that you stop the exception from causing the program to terminate prematurely?


I am using tamil language (utf-8) inserted into MySQL database collation latin1_swedish_ci by default. but the data shows like ????? ??? ???????????.????? when I retrieve it. I studied in the net lot about the problem. but the solution nothing was useful. Totally it is making mad. anybody can help me. I am using query below like this. Give me solution in simple way only.  <?php  $con=mysql_connect('localhost','root','');  $db=mysql_select_db('nikah', $con);  $sql="select * from matrimony"; $result=mysql_query($sql) or die(mysql_error()); While($row=mysql_fetch_array($result)){      echo $row['name'];      }  ?>

I'm setting up a new server and want to support UTF-8 fully in my web application. I have tried this in the past on existing servers and always seem to end up having to fall back to ISO-8859-1.  Where exactly do I need to set the encoding/charsets? I'm aware that I need to configure Apache, MySQL, and PHP to do this — is there some standard checklist I can follow, or perhaps troubleshoot where the mismatches occur?  This is for a new Linux server, running MySQL 5, PHP, 5 and Apache 2.


I am trying to change the title of my Activity but I am getting this NullPointerException. Can anyone help me with this?  public class SignUp extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.activity_sign_up);     ActionBar actionBar=getSupportActionBar();     //actionBar.setDisplayShowTitleEnabled(true);     actionBar.setTitle("SignUp"); }   I have tried setting setDisplayShowTitleEnabled() to true but still doesn't work. I've tried other solutions from other similar questions but none seems to be helping.


The  says the following:     8. What if someone wants to be referred to as "the Great and Mighty One" or by an obscenity or something?      If something is obviously unreasonable and seems to be requested unkindly, please feel free to flag for moderator attention. Pronouns are a fairly well defined thing in language and styles/nouns/titles (“Your Majesty”) are generally poor substitutes for them. Note that “it sounds silly to me” is not sufficient grounds to think something is obviously unreasonable. If you and they can't agree, ask a moderator (or, if a moderator is one of the parties to the dispute, the Community Team) as you would in other cases of dispute. The Community Team is also available to help guide moderators upon request. Offensive/trolling “pronouns” (e.g.“attack helicopter”) should be flagged.   , this means:     whether someone's requested pronouns are legitimate is now something that moderators are supposed to determine.   If these moderators and staff have not had diversity training, but are now supposed to police gender (i.e., determine whether someone's gender expression is appropriate or not). This is highly problematic.    describes the experience of a user (whose pronouns happen to be similar to mine). The pronouns were a derivative of the user name.   To summarize the post, pronouns were removed from this user's profile and an about me from one Stack Exchange site was copied over to all Stack Exchange sites, including those sites where the user had an anonymized profile.  A moderator  explaining that a staff member had done this, speculating that it was because the pronouns were not considered legitimate. I can see why a person who is not familiar with nonnormative gender expression could think this. It happens to be a manner of gender expression that is used by others (though this is a highly problematic standard, equating a valid gender expression with one that conforms to norms). It is also similar to my gender expression on this site (though, again, I hate to have to use myself as a norm against which other gender expressions should be measured). Regardless, it does not use offensive content. It was believed to be inappropriate merely because it was unique. That is the wrong standard.  I do not know this user personally, but by post history, the user does not appear to be a troll at all. In fact, this user appears to be an ally who, by identifying with nonstandard pronouns, is expressing a de facto non-binary gender identity and being punished and mocked for this.   Why not just report this as a CoC violation?  I have written this as a post rather than using the Contact Me mechanism because I believe, now that we have seen a clear example of CoC enforcement being used to restrict nonnormative gender expression, the issue of unfamiliar moderators policing gender needs to be discussed by the community and addressed in that context. For that matter, I empathize with the moderator and staff member in question. I believe they are trying their best and should not have been asked to do this.   Is this question a duplicate?  This is not a duplicate of the suggested post. It is relevant to discuss the manner in which current actual enforcement is being used to punish and mock non-normative gender expression, which is counter to the intention of the CoC changes.     We've had several posts discussing concerns about a hypothetical troll, offering statistics about how normal or abnormal individual neopronouns might be. This post is about the actual effect of requiring untrained and unfamiliar people to use their judgement to determine whether a user’s gender expression is appropriate. It is in the context of actual, not hypothetical, actions taken by staff and moderators, and whether we should reconsider the methods this site now uses to regulate the gender expression of its users.  In conclusion  How can we avoid the problems created by policing users' gender expression?

It’s the  question: Am I looking at someone’s legitimate pronouns or trolling?   (It’s unfortunate I have to ask, but this is just where we are right now.)  I’ve seen “my pronouns are [insert ridiculous fake stuff here]” trolling recently (in posts) when before I never did. Also stuff that looks to be trolling, but could also maybe not be. Trolls deserve red flags while everyone else specifying pronouns does not, right?  (To clarify, the problem is not just about not wanting to use a troll's words. The purpose of some of this trolling is to try and convince people that transgender people—or their neopronouns—are stupid or unreasonable. Ignoring the trolls allows us to avoid the first problem, but not the second since it allows them to still reach people with their message, which is not something that I want to see promoted.)  Some neopronouns are clearly legitimate. Some trolling is clearly trolling. But unfortunately there’s a big grey area where it’s not clear to me what is what.   Does anyone have a good method for dealing with this? There just doesn’t even seem to be a good way to ask about someone’s specified pronouns in such a way that doesn’t sound insulting if the user isn’t trolling.     Note: A while ago, I did some research on neo-/third person pronouns which can be found . There are several important things I found:   There are more neopronouns than I could ever hope to keep track of The most popular neopronouns are very uncommon. On the other end of the spectrum, it looks like some neopronouns are neologisms used by a single person  Some neopronouns come from unlikely places, such as SciFi


I'm fairly new to ArcGIS for Desktop and i want to import my excel table to my personal gdb but i end up getting an  and my import fails.   I soon found out that it was the lengthy structural descriptions in my table.   Is there anyway that I can increase the text cap within ArcCatalog.   im not really good with Python either.

The maximum text string for a field in a geodatabase is 320 characters.    The data I am importing has long character strings and it seems to be truncating when I convert into shapefile at the max text string and messing the fields up.  Is there a way to extend this to 700-1000 characters?


I really want to do a prank where I turn all stone to TNT. That way, in lava lakes the TNT will blow up. I just need to figure out how to do it. Which would it be best to use?   /fill /replaceitem  /blockdata /setblock something else?

I'd like to be able to select a region (either with a graphical utility or command line) and be able to switch one block type with another, e.g. change all cobblestone in the region to stone. Does a program/mod exist that can do this?


I would like to "follow" one specific Stack Overflow user.  By following I mean I'd like to find the "follow the question" + "follow the user" features Quora has.  For example: follow this user's questions/comments/answers on this/these topic(s).  I didn't find any way to follow a user or a question on Stack Overflow the way I do on Quora.     Using user feed would add to0 much noise to my Google Reader. To me the same applies to e-mail + RSS subscription per specific tag, so I don't want to use them.     What do you think?

I've been looking around and I can't seem to find an automatic (i.e. buzz- or Twitter-like) way to follow users inside Stack Exchange. Why haven't the developers added such a feature? It could help beginner users follow other beginners with the same interests. We would be able to learn from each others' questions and pitfalls. Also, it would reduce double posting.


Prove that $n^4+4^n$ is never prime. Here $n$ is any natural number greater than $1$. I have tried by induction hypothesis but to no avail. Can it be done by considering cases when $n$ is odd and when it is even?

My coach said that for all positive integers $n$, $n^4+4^n$ is never a prime number.  So we memorized this for future use in math competition.  But I don't understand why is it?


In the prequels we see that both C3PO and R2D2 are Anakin's droids and they clearly both know that he's gone over to the dark side.  I would like to know an in-universe answer for the question; Why did they not tell Luke?      that Vader is Anakin?

At the start of A New Hope, when the corvette is being attacked, C3PO says something to the effect of:     There'll be no escape for the princess this time.   But when Luke stumbles onto Leia's message in R2D2, C3PO seems to not know who the figure in the message is:     I'm afraid I'm not quite sure, sir. I think she was a passenger on our last voyage. A person of some importance, sir - I believe.   Is C3PO feigning ignorance to protect her, or does he really not recognize her?


I would like to be able to assign the name of a variable outside the function so that the function can assign the chosen variable. It does not seem to work. Anyone have any ideas?  Below is my attempt, however the $admin variable is empty after running the function.  function assign_check($variable, $check) {     if (empty($_POST[$check])) {         $variable = "no";        } else {         $variable = $_POST[$check];     }        }  assign_check('$admin', 'admin');   My question is not about the use of global variables.

Are PHP variables passed by value or by reference?


For the purposes of this question, I'll be comparing Wizards and Sorcerers, ignoring Warlocks and Divine spellcasters.  So the main differences are that Sorcerers can cast anything they know so long as they have spell slots, whereas Wizards can only cast what they have prepared, even though they know more spells, again providing they have spell slots to prepare.   For example, Arcane Recovery says that you regain some spell slots, but it doesn't mention about spell preparation. So if you burn through all your spell slots, do you have to re-prepare you spells, or can you cast prepared spells repeatedly, like a Sorcerer can, only limited by spell slots? To reword that, can you cast a prepared spell as many times as you like so long as you have spell slots, or can you only cast a prepared spell once?  Note that prior to getting into 5e, my only other knowledge of D&D came from NWN2, based on 3.5e, so it might be that things worked differently then, or NWN2 works differently. In that game, you had to prepare the same spell multiple times if you wanted to cast it multiple times...

Our group had some confusion about preparing spells for a Wizard and Cleric. The rules say that you prepare a number of spells from your list and that you tick off spell slots when you cast a spell. In D&D 3.x, if you wanted to cast a spell multiple times you had to prepare it multiple times, but we couldn't figure out from the rules whether or not this was the case in D&D 5e.   So can a spell be prepared once and then cast multiple times?


Let $G$ be a group and $$N:=\langle\{g^2:g\in G\}\rangle$$ Prove that $N$ is a normal subgroup.   I am quite not sure how to start on this exercise. I heard that this can be proven by using the notion of an index of a group but since we did not cover this in the lecture I think it should not be used. Has someone a hint for a more basic solution?

Let $H$ be a subgroup of a group $G$ such that $x^2 \in H$, $\forall x\in G$. Prove that $H$ is a normal subgroup of $G$.    I have tried to using the definition but failed. Can someone help me please.


I cross-posted the same question on Stack Overflow and Statistics Stack Exchange not knowing it's not allowed.   I want to delete one of them but I don't know how to do it. What should I do?  Can I delete my own question?  If it's possible how can I do it?

What circumstances can cause a question or answer to be deleted, and what does that actually mean?    How can a post be deleted? When can't I delete my own post? Can I still see my post even after it's deleted? Can I see a list of my deleted posts? How can I undelete one of my posts? What does deletion mean for a post? How do votes to delete work? What are the criteria for deletion? What else should I know about deleted posts? If I flag my question with a request to delete it, what will happen?       For more information, see the articles about  and  in the .


How to make texture look same scale on side of the cylinder as on it's top?

Is there a method to scale a texture in relation to the measurements of the model?  For example, consider an architectural model with a concrete paving. Its image texture is a "real world" photo measuring 3×3 times which makes it 180cm × 180cm. Is it possible to make Blender scale the texture in model-units? Or the other way around: is it possible to automatically scale the UV coordinates so they fit the "real world size"?


I would like to know if there is a certain community for questions such as, "How do you tell if a person likes you", or "How do you tell if your friends are good for you"? Are these types of questions in a certain community, are they in a different community based on the type of question, or is there no stack exchange community for it at all?

Stuff like polls, recommendations based on subjective constraints, puzzles, webcomics etc. do not belong on the serious main SE sites, where professionals should be considered at work and having just a few spare minutes ("code's compiling") to answer questions, so they should not be distracted by such things. However, I'd also like to have a home for these things still using the SE engine. For the reason I mentioned before, this needs to be a separate place though. Let's call it four.[sitename-here].com.


It would love to see the ability to somehow filter the questions an the active list. Its very cumbersome to 'thumb' through all the questions looking for one to answer. If filtering is not an option being able to have a favorites list and have them highlighted so they are easier to pick out.  UPDATE I updated and found the 'tags' button at the bottom which is nice. Would be better if there was some visual cue on the 'Active List' to see a 'favorite' tag.

I've noticed recently that when I open up Stack Overflow via the iOS app, my favourite tags don't seem to play a part in displaying me relevant questions.  addresses highlighting issues, but my mobile display is populated by questions that I have no experience in answering:    Vs the Stack Overflow desktop or mobile website:    Question  I find this annoying - is there any reason that this occurs? Is it simply missing the "order by favourite tag relevance" criteria from the query?  I'd love to be active in the Java, C# tags etc but my involvement with Stack Overflow currently is focused towards PHP, SQL, jQuery etc...