text:
Q: flatten a list of lists in Prolog I have this list of lists:
 L = [[[a,b],[d,e]],[[m,f],[p,o]],[[r,l],[v,d]]].

I want to write a function using Prolog that flattens it  in a way that it becomes like this :
 L = [[a,b],[c,d],[m,f],[p,o],[r,l],[v,d]].

Any suggestions?
Thank you.

A: Using the predicate append/2:

?- L = [[[a,b],[d,e]],[[m,f],[p,o]],[[r,l],[v,d]]], append(L, R).
L = [[[a, b], [d, e]], [[m, f], [p, o]], [[r, l], [v, d]]],
R = [[a, b], [d, e], [m, f], [p, o], [r, l], [v, d]].

You should look at the implementation by SWI-Prolog and copy it if you need to. Leave out the must_be/2 if you must do it in GNU-Prolog.
But if you need this because of findall/3, keep in mind that there might also be a findall/4 available (not for GNU-Prolog, but SWI-Prolog has it):

$ swipl
Welcome to SWI-Prolog (Multi-threaded, 64 bits, Version 7.3.2-25-gf8c39d8)
Copyright (c) 1990-2015 University of Amsterdam, VU Amsterdam
SWI-Prolog comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under certain conditions.
Please visit http://www.swi-prolog.org for details.

For help, use ?- help(Topic). or ?- apropos(Word).

?- findall(X, between(1,3,X), Xs, Rest), findall(Y, between(7,11,Y), Rest).
Xs = [1, 2, 3, 7, 8, 9, 10, 11],
Rest = [7, 8, 9, 10, 11].

Almost every situation where you need to flatten a list could be avoided using difference lists.

A: possible_moves(Tray,PossibleMoves):-
    findall([J,1,X,Y],possible_move(Tray,[J,1,X,Y]),T1),
    findall([J,2,X,Y],possible_move(Tray,[J,2,X,Y]),T2),
    append(T1,T2,Res),
    findall([J,3,X,Y],possible_move(Tray,[J,3,X,Y]),T3),
    append(Res,T3,PossibleMoves).

redpajama_set_name: RedPajamaStackExchange


text:
FINTAN MAGEE : NOTHING MAKES SENSE ANYMORE
"One thing I have learnt is that sometimes life doesn't have or even need to have greater meaning it is just a series of random events. Sometimes embracing that and working with that is just as fulfilling as finding high concepts or high art or higher meaning."
– Fintan Magee
www.instagram.com/fintan_magee
www.fintanmagee.com
Fintan Magee is often referred to as a 'social realist' painter recognised for his ability to communicate unique perspectives on global issues through his visual language of merging references and painting techniques from historical and contemporary art. Magee refers to his canvases as mirrors, used to reflect his emotional reactions to the world around him. This ability to offer a distinctive reflection through which to view divisive and complex issues, such as identity, migration, loss, social justice and the environment, has been one of the driving factors behind the universal appeal of his large-scale public murals and studio-based works.
A glance at Magee's family history uncovers the source of his keen interest in a broad range of socio-political issues. Magee's immediate and extended family were heavily involved in the Northern Ireland civil rights movement of the 1960s, migrating to Australia during the Thatcher era of the 1980s to avoid the shifting political climate in the United Kingdom. The development of a social and political awareness was an unavoidable part of Magee's upbringing.
Personal experiences gained from regular international travel for gallery shows and public mural projects are often the catalytic inspiration behind Magee's concepts. Predominantly an artist that carefully considers and clearly defines narratives through each of his series, the works in this exhibition began as "a bit of a hodgepodge of emotional reactions to our current situation," says Magee.
Lockdowns and travel restrictions were announced, leaving Magee confined to making work in his Sydney studio for an extended period; consuming current discourse solely through the lens of broadcast and digital news media. Unable to travel, converse with a wider audience, photograph models for narrative works, or visit museums for reference and inspiration, Magee's usual ability to settle on a central narrative or theme was stifled. This sudden change and the impact of isolation and distance left Magee feeling "incredibly stuck and deprived of inspiration."
Magee began to search for inspiration and references in the world around him, his studio. A pot plant become his subject, and remaining true to his methodology, it was photographed, becoming the 'still life' of a daily ritualistic act of painting one work a day. The inspiration being simply to focus on the techniques of painting. This practice
became a means to occupy the time during lockdown. A series of 32 works simply titled Lockdown, each representing one day in lockdown, was the final result. Painting and keeping a pot plant alive became a meditation for Magee. The shift in focus to the physical act of painting over concept development lead Magee to begin to make sense of the state of chaos and isolation that he and the world were experiencing.
Unconsciously this gave Magee space to contemplate a central narrative to connect the "hodgepodge" series of work. "This year has just been chaos… it's felt like a series of random events which have been really difficult to make sense of… or string together any kind of common narrative around… maybe chaos is the common narrative," says Magee. This realisation inspired both the exhibition title and Magee's acceptance of chaos as the central theme to describe his "emotional reactions to our current situation."
The resulting series of works are visually complex, conceptually nuanced compositions that cover a wide range of current issues. Airport Line #1 is a commentary on the dehumanisation of refugees by blurring their faces in news
broadcasts. Chaos Theory is an observation of the shifting political climate in the USA and Headlock and Stampede – the Black Lives Matter protests and Indigenous Australian deaths in custody. Window, a larger than life canvas depicting Magee's partner, the only available model during lockdown, behind a pane of tempered glass discusses isolation.
Balancing Act, Long Ride Home and the Lockdown series, each cover reactions to different aspects of the coronavirus pandemic and Broken Water Cooler, a response to the Australian bushfire crisis. 5 Men Holding a Column is a vertical canvas depicting five young men of various cultural backgrounds standing in a circle facing the viewer. Collectively, the group is holding up a Greco-Roman column behind their backs. Historically a symbol of industrial progress and architectural prowess, in this composition it's used as a symbol of contemporary opulence and wealth. The work was initially inspired during a trip to Dubai where Magee noted the incredible monumental structures that make up modern cities are predominantly built by migrant workers. The five figures represent these working-class people who simultaneously build the physical structures and the wealth of the people who own them.
Watching the Flood, a large square canvas, depicts a young girl standing at the edge of an expansive ocean, with her back to the viewer, watching on as a pile of people helplessly struggle against a raging tide and each other. Desperate hands reaching upwards grasping for something unseen, a reference to depictions of religious rapture. The subjects appear frenetic, confused and helpless, reflecting the struggle against climate change; a devastating yet unseen force that younger generations feel helpless against, standing by as others grapple with its complexities and are overwhelmed by its consequences.
Within the collection of works exhibited in Nothing Makes Sense Anymore, Magee unconsciously applied a conceptual order to the internal and external chaos created through the crises of this year. Retroactively weaving together a conceptual narrative to make what began as a "hodgepodge" into a well-considered, refined series that addresses the challenges, disparities and issues of our time.
– Backwoods Gallery
www.instagram.com/backwoods.gallery
www.backwoods.gallery
BACKWOODS GALLERY
25 Easey St Collingwood, Victoria, Australia
2020 Australia Backwoods Gallery black lives matter Coronavirus Covid-19 Fintan Magee fucking write off Indigenous Australian deaths in custody lockdown Melbourne Nothing Makes Sense Anymore Roland Henry
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text:
RIVERSIDE: 'Guys and Dolls' comes to The Box
Jeffrey Ricca, Jay Dumas and Ashley Eddy in "Guys and Dolls."
By Timothy Guy | tguy@scng.com | The Press-Enterprise
November 19, 2015 at 12:00 a.m.
It may include gangsters, but "Guys and Dolls" is nowhere near something like "Goodfellas."
A more family-friendly gambling gangster will be on display when BellaJohn Theatricals presents the classic musical at The Box in Riverside through Sunday, Nov. 29. The musical follows three hustlers looking for a way to make a quick buck, but instead find love. The 1995 film starred Frank Sinatra and Marlon Brando. Some big stars have stepped into the famous roles since like Ewan McGregor, Craig Bierko, Titus Burgess, Nathan Lane and Jane Krakowski.
8 p.m. Friday, Nov. 20; 2 and 7 p.m. Saturday, Nov. 21 and 28; 2 p.m. Sunday, Nov. 22 and 29, The Box, 3635 Market St., Riverside. $20. 951-826-2427, theboxriverside.com.
Timothy Guy | Content Strategy Editor
Timothy Guy is the Content Strategy Editor for the Southern California News Group. Working with reporters and editors, he looks for the best possible way to present stories online. He has worked at The Press-Enterprise since 2010 and has covered events such as the Coachella Music Festival, San Diego Comic-Con and Disney D23 Expo.
tguy@scng.com
Follow Timothy Guy	@timwguy
Six Flags Magic Mountain launches pay-per-ride option on 4 coasters


32 yr old gamer in search of new adventures and fun. Learned to game on 2nd Edition D&D and played a hell of a lot of 3rd Ed and 3.5. Love 4Ed and currently play it. No matter what kind of D&D it is that comes out or whatever edition it is. Its D&D and I'm gonna play it lol. Love love LOVE Psionics in all its forms. Love the Eberron campaign setting, love Dark Sun and i'll always have a special place in my heart for the Forgotten Realms. While i love combat and killing fiends and monsters as much as the next adventurer, a good storyline is much more fun to me. I've always been an avid RPer and love good storyline. I enjoy working alongside my fellow players and GM to work out good story lines to make it more interesting and fun for all involved. I've always believed things are never as simple as just good and evil. I've always enjoyed making and playing characters that have a lot of depth. So if anyone is looking for a new player in the Murfreesboro Tn area by all means send me a message. Here's hoping we have some good times and make some fond memories while adventuring.


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I don't know about you but I am super proud of my accomplishments and I love wearing my race medal once I have finished a race, but I feel a bit awkward wearing it the next day, and the next! Not to mention now that I have got too many medals to count it might prove a bit heavy around my neck to keep wearing them all.
So how else can you celebrate your achievements? I know a lot of other runners celebrate and keep their memories forever with a tattoo; I don't have any tattoos so this isn't for me. But I still want to display my achievements as not only a reminder to me that the hard work and sacrifice is worth it but also to others, I'm not shy after all.
I'd heard about the Nike half marathon race series in United States that had given out gorgeous engraved Tiffany necklaces, but couldn't find anything similar to purchase online. And then I met Gail from Lily-Mo.
Gail makes these gorgeous engraved bracelets as a way to celebrate your running achievements. She has some for sale at Run & Become in Edinburgh that are pre-engraved for 10k,13.1 & 26.2, with an offer of free personalised engraving on the back of the metal plate.
She also makes bespoke bracelets, like the one she made for me and my achievement at the Kalahari Augrabies Extreme Marathon 250km stage race. On one side it says 'KAEM 205km' and on the reverse the images of the 3 Kalahari tribesmen are engraved. I absolutely love it. I never take it off, it goes through everything with me and stays in great condition. I sometimes have to give it a little wash in a bit of warm soapy water and then polish the silver piece to keep it looking brand new because it does go through all the muck as well, but it cleans up nicely. After initially wearing it for about 6 weeks I notices one of the areas coming undone, but a call to Gail and she fixed this up again for me with double strength, and another 2 months on absolutely no issues.
Sophie Radcliffe is another proud wearer of her special bracelet designed for her by Gail for her Alpine Coast to Coast challenge.
Why not treat yourself and get one made for one of your challenges, or better yet treat someone special to one as a surprise. You won't be disappointed.
**Gail kindly donated this bracelet to me, but all opinions are my own.
This entry was posted in Uncategorized and tagged achievement, celebrate, Edinburgh, kaem, lily-mo, race bling.


While Grand Rapids is not known for its stellar conventions, I thought I would give this Grand Rapids Comic Con a try. My sister had never been, and it was right in my neighborhood at the Home School Building in Wyoming, MI. So why not? I was expecting one of two things upon my arrival: no one at all or crazy busy. It was the latter.
I arrived just as police were ticketing cars parked all over the grass in the surrounding neighborhood, but much to my surprise, I found plenty of parking once I got closer to the building. Those people either arrived during a rush, or just didn't bother to look for a better spot. My timing was about 1pm, and there was a line around the building still. Being a veteran of conventions, I was cool with the wait, even though it was a strangely hot day for the season. My sister, while new to conventions, had her fair share of concerts, festivals, and other large events under her belt, so she was happy to wait as well. The line moved pretty swiftly, though it was still an hour before we made it to the front door to pay our $5 cover. While we waited, though, we had quite the show. Lots of costumes and an array of people just ripe for people-watching. After about 45 minutes, the convention volunteers started to pass out bottles of water and carted in a few more porta potties to accommodate the still-growing line of people waiting to get in. The promoters/staff did their best to keep us comfortable while we waited, even some vendors came out to try to sell some of their stuff to the waiting.
As we got closer to the ladies we had to pay to get our wristband, we heard all sorts of chatter among the staff on how to best handle all the people. They eventually decided that there would be no re-entry and as people left, their wristbands were to be cut off and kept by the staff. Understandable… they wanted to get as much money through the door, as well as individuals, even if it meant cutting off those who had already paid. Really, though, $5 to get in is pretty darn cheap. As we got up to pay, we made sure we had exact change to make the process as swift as possible. Once we had our wristbands, we headed into the dealer's room to check things out.
It was hot. SO HOT. Everyone, even vendors and artists just sitting behind their tables were sweating and miserable, not to mention the people who wore costumes. It was crowded, noisy, and sweaty. All things I hate, but all things I have grown accustomed to at conventions. My sister and I made our way around the room, doing our best to enjoy it all as fully as we could, despite the uncomfortable atmosphere. It was fun. We saw a lot of cool things, got some original sketches by some cool artists, and had some fun shopping around. After more than two hours there, though, we needed fresh air, water, and some personal space. So we left. We didn't even make it to any panels or the other stuff happening, we just HAD to get out of there. As soon as we got in the car, the A/C was on full blast and we sucked down what water we had left.
It was a good time, but it was also a great time once it was over. The line had disbursed by then, and we heard people talking of how they had to turn so many away. I guess we got there just in time to be a part of it. I was glad to have gotten in and glad to have shown my sister her very first comic con.
Ok, so that is the overview. Now is the part where we discuss what could have been done better, because after attending so many conventions as a fan, press, and as helpers to vendors, I feel like I have some experience in how to do it better.I know I have never created or hosted my own convention, I know not everything can be thought of, but there are a lot of things that were just too obvious not to mention. I also understand that they did not expect as many people as they got, but no matter how many people you expect, be organized.
First off, the line. There was one set of doors for both the in and outward traffic. Bad. There needs to be a traffic flow. Plus, having this also be the re-entry entrance (before people were cut off), you couldn't tell if someone was being rude and cutting through the line, or if they were just trying to get back inside. It caused some confusion, and further congested the entrance. The line also didn't move as smoothly as it could have, if there had been some sort of preregistration or second line to pay in. Also, if there had been preregistration, they might have had a better understanding of just how much traffic they were going to have. Plus, a cash-only line means you have no idea who is coming to your event. How can you tap into that audience again if you don't have any record of who they were?
Next up, the heat and congestion once inside. There is no real cure for this. No one knew it was going to be so hot, and even if there had been some air conditioning they could crank up, buildings like that do not cool off quickly. This really could not have been avoided. Conventions get hot. They just do.
No bags. A lot of the vendors didn't seem to have bags for purchases. This sucked. It was their fault, though, not the convention. Most larger conventions I have attended, though, give attendees a bag with some promotional fliers, maybe a comic, but most importantly: A BAG. This would have been awesome. I know, $5 admission, but really, I would have gladly paid $10 if I got a tote bag and some random postcards/promos or something. Most people would. I'm not talking an exclusive comic, a fancy lanyard, or some other potentially pricey swag, just advertiser fliers, and a convention guide. Plus, this kind of thing can easily be financially covered by getting sponsors. You slap their logo on the bag, and voila, one less thing for you to spend money on, yet one more thing to make your attendees happy.
The central hallway was a nightmare. It was congested and difficult to understand which events and panels were where. Plus the abundance of people in the entrance line, with traffic going in and out of the building, only made it worse.
A lot of the issues could have been eliminated with a larger building and more volunteers/staff filtering people. Or even more space just to linger and loiter. People love to loiter at conventions. I know they couldn't have known just how many people they would get, but a presale would have done wonders.
Throughout the convention, rumors were furiously circulating of next year. Next year it will be in a bigger building. Next year it will be three days. Next year there will be more artists. Etcetera. I am excited to see what this convention could turn into. It would be awesome for Grand Rapids to have a comic con worth attending with actual celebrities, more artists, more writers, and more creators! More! Yay! Anyway, I hope they get a lot of their issues sorted out and figure out how to plan it all better. I just hope they are careful… because having this one-day event in a larger building would solve this year's issue, but having it in a larger building for a three-day event could result in having too big a space. They have to know that there was such a density of attendees because of the limited time in which this convention was held. If you space that out over two or three days, it won't at all be as crazy as it was, even if it was held in the same space. You could even have a breeder, er, family day, in which all strollers are welcome to clog as many aisles as they please, resulting in a better traffic flow the other days.
Overall, I had a good time and look forward to next year. I am always willing to give a show like this a couple years to iron out the kinks. I hope others do as well. It was easy for newbies to be turned off by what happened. Hopefully patience and understanding prevails and results in a more successful event in the years to follow.


Gallery apps have been evolving a lot over the past year and even Google has struggled to decide if they're going to use the classic Gallery or the Google+ associated Photos app. There are also third party alternatives, some very good, like the Cyanogen one made available this week.
The Cyanogenmod team has created this new gallery app that will be integrated into future versions of the custom ROM. Right now you can be part of its beta testing and folks who played with it claim that it reminds them of the HTC Sense 5 gallery, so it's all about minimalism. Also, it appears that while the Nexus 5 is compatible with the app, people have been having problems with the Note 3 and Moto G.
This is a work in progress, but it does support cloud storage images, moments, local files and Picasa, Flickr, Facebook and Dropbox integration. In order to install it you'll need to join the beta testing Google+ community, that is found over here.


text:
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Mlogin extends CI_Model {

    function set_login($username,$password){
		$sql = "SELECT * FROM USERTAB WHERE ID_USER='$username' AND PASSWD='$password' ";
        $query = $this->db->query($sql);
        return $query->result();
    }
}

/* End of file Auth_model.php */
/* Location: ./application/models/Mlogin.php */

redpajama_set_name: RedPajamaGithub


Joined on May 6th 2008, last online on 20 February 2018.
Did you buy Lego jurrasic World U?
In the end Nintendo owners do not buy only first party content, but we do buy more.
Glad you enjoyed Ghosts as well. No where near deserves the scores it got.
Is your Wii U in same region as US?
The Nihongo Speakers thread, if you'd like to practice Japanese, here's your place!
flagstaad hasn't added any games yet!


Printed cashmere stole in the typical fluffy "Felted" look of Friendly Hunting. The dark blue star pattern on the strong royal blue looks very noble. Due to its size, it can be worn as an XL-scarf around the neck or as a stole.


What are the three main purposes of an operating system?
List the four steps that are necessary to run a program on a completely dedicated machine.
Q: What is the main advantage of multiprogramming?
What is the main advantage of multiprogramming?
What are the main differences between operating systems for mainframe computers and personal computers?
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a. What are two such problems?
a dedicated machine? Explain your answer.
We have stressed the need for an operating system to make efficient use of the computing hardware. When is it appropriate for the operating system to forsake this principle and to "waste" resources? Why is such a system not really wasteful?
Describe the differences between symmetric and asymmetric multiprocessing. What are three advantages and one disadvantage of multiprocessor systems?
What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment?
Prefetching is a method of overlapping the I/O of a job with that job's own computation. The idea is simple. After a read operation completes and the job is about to start operating on the data, the input device is instructed to begin the next read immediately. The CPU and input device are then both busy. With luck, by the time the job is ready for the next data item, the input device will have finished reading that data item. The CPU can then begin processing the newly read data, while the input device starts to read the following data. A similar idea can be used for output. In this case, the job creates data that are put into a buffer until an output device can accept them. Compare the Prefetching scheme with the spooling scheme, where the CPU overlaps the input of one job with the computation and output of other jobs.
How does the distinction between monitor mode and user mode function as a rudimentary form of protection (security) system?
What are the differences between a trap and an interrupt? What is the use of each function?
Q: For what types of operations is DMA useful?
For what types of operations is DMA useful? Explain your answer.
Which of the following instructions should be privileged?
a. Set value of timer.
e. Switch from user to monitor mode.
Some computer systems do not provide a privileged mode of operation in hardware. Consider whether it is possible to construct a secure operating system for these computers Give arguments both that it is and that it is not possible.
Some early computers protected the operating system by placing it in a memory partition that could not be modified by either the user job or the operating system itself. Describe two difficulties that you think could arise with such a scheme.
Protecting the operating system is crucial to ensuring that the computer system operates correctly. Provision of this protection is the reason behind dual-mode operation, memory protection, and the timer. To allow maximum flexibility, however, we would also like to place minimal constraints on the user. The following is a list of operations that are normally protected. What is the minimal set of instructions that must be protected?
a. Change to user mode.
b. Change to monitor mode.
c. Read from monitor memory.
d. Write into monitor memory.
e. Fetch an instruction from monitor memory.
f. Turn on timer interrupt.
g. Turn off timer interrupt.
Q: Give two reasons why caches are useful.
Give two reasons why caches are useful. What problems do they solve? What problems do they cause? If a cache can be made as large as the device for which it is caching (for instance, a cache as large as a disk), why not make it that large and eliminate the device?
Writing an operating system that can operate without interference from malicious or undebugged user programs requires some hardware assistance. Name three hardware aids for writing an operating system, and describe how they could be used together to protect the operating system.
What are the five major activities of an operating system in regard to process management?
What are the three major activities of an operating system in regard to secondary-storage management?
What are the five major activities of an operating system in regard to file management?
Q: What is the purpose of the command interpreter?
What is the purpose of the command interpreter? Why is it usually separate from the kernel?
List five services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it would be impossible for user-level programs to provide these services.
Q: What is the purpose of system calls?
Using system calls, write a program in either C or C++ that reads data from one file and copies it to another file. Such a program was described in Section 3.3.
Why does Java provide the ability to call from a Java program native methods that are written in, say, C or C++? Provide an example where a native method is useful.
Q: What is the purpose of system programs?
What is the purpose of system programs?
What is the main advantage of the layered approach to system design?
What are the main advantages of the microkernel approach to system design?
What is the main advantage for an operating-system designer of using a virtual-machine architecture? What is the main advantage for a user?
Why is a just-in-time compiler useful for executing Java programs?
Why is the separation of mechanism and policy a desirable property?
The experimental Synthesis operating system has an assembler incorporated within the kernel. To optimize system-call performance, the kernel assembles routines within kernel space to minimize the path that the system call must take through the kernel. This approach is the antithesis of the layered approach, in which the path through the kernel is extended so that building the operating system is made easier. Discuss the pros and cons of the Synthesis approach to kernel design and to system-performance optimization.
Q: MS-DOS provided no means of concurrent processing.
MS-DOS provided no means of concurrent processing. Discuss three major complications that concurrent processing adds to an operating system.
Describe the differences among short-term, medium-term, and long-term scheduling.
Q: A DECSYSTEM-20 computer has multiple register sets.
A DECSYSTEM-20 computer has multiple register sets. Describe the actions of a context switch if the new context is already loaded into one of the register sets. What else must happen if the new context is in memory rather than in a register set and all the register sets are in use?
Describe the actions a kernel takes to context switch between processes.
Provide two programming examples of multithreading giving improved performance over a single-threaded solution.
Provide two programming examples of multithreading that would not improve performance over a single-threaded solution.
What are two differences between user-level threads and kernel-level threads? Under what circumstances is one type better than the other?
Describe the actions taken by a kernel to context switch between kernel-level threads.
Describe the actions taken by a thread library to context switch between user-level threads.
Q: What resources are used when a thread is created?
What resources are used when a thread is created? How do they differ from those used when a process is created?
A CPU scheduling algorithm determines an order for the execution of its scheduled processes. Given n processes to be scheduled on one processor, how many possible different schedules are there? Give a formula in terms of n.
Define the difference between preemptive and nonpreemptive scheduling. State why strict nonpreemptive scheduling is unlikely to be used in a computer center.
Suppose that the following processes arrive for execution at the times indicated. Each process will run the listed amount of time. In answering the questions, use nonpreemptive scheduling and base all decisions on the information you have at the time the decision must be made.
Consider a variant of the RR scheduling algorithm where the entries in the ready queue are pointers to the PCBs.
a. What would be the effect of putting two pointers to the same process in the ready queue?
b. What would be the major advantages and disadvantages of this scheme?
c. How would you modify the basic RR algorithm to achieve the same effect without the duplicate pointers?
What advantage is there in having different time-quantum sizes on different levels of a multilevel queuing system?
Consider the following preemptive priority-scheduling algorithm based on dynamically changing priorities. Larger priority numbers imply higher priority. When a process is waiting for the CPU (in the ready queue but not running), its priority changes at a rate _; when it is running, its priority changes at a rate _. All processes are given a priority of 0 when they enter the ready queue. The parameters _ and _ can be set to give many different scheduling algorithms.
a. What is the algorithm that results from _ >_>0?
b. What is the algorithm that results from _ < _ <0?
Q: Many CPU scheduling algorithms are parameterized.
Many CPU scheduling algorithms are parameterized. For example, the RR algorithm requires a parameter to indicate the time slice. Multilevel feedback queues require parameters to define the number of queues, the scheduling algorithms for each queue, the criteria used to move processes between queues, and so on. These algorithms are thus really sets of algorithms (for example, the set of RR algorithms for all time slices, and so on). One set of algorithms may include another (for example, the FCFS algorithm is the RR algorithm with an infinite time quantum). What (if any) relation holds between the following pairs of sets of algorithms?
Suppose that a scheduling algorithm (at the level of short-term CPU scheduling) favors those processes that have used the least processor time in the recent past. Why will this algorithm favor I/O-bound programs and yet not permanently starve CPU-bound programs?
Why does Solaris 2 implement multiple locking mechanisms? Under what circumstances does it use spin locks, semaphores, adaptive mutexes, conditional variables, and readers-writers locks? Why does it use each mechanism? What is the purpose of turnstiles?
Is it possible to have a deadlock involving only one single process? Explain your answer.
Consider a system consisting of four resources of the same type that are shared by three processes, each of which needs at most two resources. Show that the system is deadlock free.
Consider the following resource-allocation policy. Requests and releases for resources are allowed at any time. If a request for resources cannot be satisfied because the resources are not available, then we check any processes that are blocked, waiting for resources. If they have the desired resources, then these resources are taken away from them and are given to the requesting process. The vector of resources for which the waiting process is waiting is increased to include the resources that were taken away.
For example, consider a system with three resource types and the vector Available initialized to (4, 2, 2). If process P0 asks for (2, 2, 1), it gets them. If P1 asks for (1, 0, 1), it gets them. Then, if P0 asks for (0, 0, 1), it is blocked (resource not available). If P2 now asks for (2, 0, 0), it gets the available one (1, 0, 0) and one that was allocated to P0 (since P0 is blocked). P0's Allocation vector goes down to (1, 2, 1), and its Need vector goes up to (1, 0, 1). a. Can deadlock occur? If so, give an example. If not, which necessary condition cannot occur?
b. Can indefinite blocking occur?
Explain the difference between internal and external fragmentation.
Given memory partitions of 100K, 500K, 200K, 300K, and 600K (in order), how would each of the First-fit, Best-fit, and Worst-fit algorithms place processes of 212K, 417K, 112K, and 426K (in order)? Which algorithm makes the most efficient use of memory?
Q: Why are page sizes always powers of 2?
Consider a logical address space of eight pages of 1024 words each, mapped onto a physical memory of 32 frames.
a. How many bits are there in the logical address?
b. How many bits are there in the physical address?
On a system with paging, a process cannot access memory that it does not own; why? How could the operating system allow access to other memory? Why should it or should it not?
Consider a paging system with the page table stored in memory.
a. If a memory reference takes 200 nanoseconds, how long does a paged memory reference take?
b. If we add associative registers, and 75 percent of all page-table references are found in the associative registers, what is the effective memory reference time?
What is the effect of allowing two entries in a page table to point to the same page frame in memory? Explain how this effect could be used to decrease the amount of time needed to copy a large amount of memory from one place to another. What effect would updating some byte on the one page have on the other page?
Why are segmentation and paging sometimes combined into one scheme?
Describe a mechanism by which one segment could belong to the address space of two different processes.
Explain why it is easier to share a reentrant module using segmentation than it is to do so when pure paging is used.
Consider the Intel address translation scheme shown in Figure 9.20.
a. Describe all the steps that the Intel 80386 takes in translating a logical address into a physical address.
b. What are the advantages to the operating system of hardware that provides such complicated memory translation hardware?
c. Are there any disadvantages to this address translation system?
Q: Under what circumstances do page faults occur?
Under what circumstances do page faults occur? Describe the actions taken by the operating system when a page fault occurs.
a. What is a lower bound on the number of page faults?
b. What is an upper bound on the number of page faults?
A certain computer provides its users with a virtual-memory space of 232 bytes. The computer has 218 bytes of physical memory. The virtual memory is implemented by paging, and the page size is 4096 bytes. A user process generates the virtual address 11123456. Explain how the system establishes the corresponding physical location. Distinguish between software and hardware operations.
Which of the following programming techniques and structures are "good" for a demand paged environment? Which are "not good"? Explain your answers.
Q: Assume we have a demand-paged memory.
Assume we have a demand-paged memory. The page table is held in registers. It takes 8 milliseconds to service a page fault if an empty page is available or the replaced page is not modified and 20 milliseconds if the replaced page is modified. Memory access time is 100 nanoseconds.
Assume that the page to be replaced is modified 70 percent of the time. What is the maximum acceptable page-fault rate for an effective access time of no more than 200 nanoseconds?
Q: Consider the following page-replacement algorithms.
Consider the following page-replacement algorithms. Rank these algorithms on a five point scale from "bad" to "perfect" according to their page-fault rate. Separate those algorithms that suffer from be lady's anomaly from those that do not.
When virtual memory is implemented in a computing system, there are certain costs associated with the technique and certain benefits. List the costs and the benefits. Is it possible for the costs to exceed the benefits? If it is, what measures can be taken to ensure that this does not happen?
An operating system supports a paged virtual memory, using a central processor with a cycle time of 1 microsecond. It costs an additional 1 microsecond to access a page other than the current one. Pages have 1000words, and the paging device is a drum that rotates at 3000 revolutions per minute and transfers 1 million words per second. The following statistical measurements were obtained from the system: 1 percent of all instructions executed accessed a page other than the current page. Of the instructions that accessed another page, 80 percent accessed a page already in memory. When a new page was required, the replaced page was modified 50 percent of the time.
Calculate the effective instruction time on this system, assuming that the system is running one process only, and that the processor is idle during drum transfers.
Consider a demand-paging system with the following time-measured utilizations: CPU utilization 20% Paging disk 97.7% Other I/O devices 5% Which (if any) of the following will (probably) improve CPU utilization? Explain your answer.
a. Install a faster CPU.
b. Install a bigger paging disk.
c. Increase the degree of multiprogramming.
d. Decrease the degree of multiprogramming.
e. Install more main memory.
f. Install a faster hard disk or multiple controllers with multiple hard disks.
g. Add pre paging to the page fetch algorithms.
h. Increase the page size.
How many page faults would occur for the following replacement algorithms, assuming one, two, three, four, five, six, or seven frames? Remember all frames are initially empty, so your first unique pages will all cost one fault each.
Suppose that you want to use a paging algorithm that requires a reference bit (such as second-chance replacement or working-set model), but the hardware does not provide one. Sketch how you could simulate a reference bit even if one were not provided by the hardware, or explain why it is not possible to do so. If it is possible, calculate what the cost would be.
Segmentation is similar to paging but uses variable-sized "pages." Define two segment replacement algorithms based on FIFO and LRU page-replacement schemes. Remember that since segments are not the same size, the segment that is chosen to be replaced may not be big enough to leave enough consecutive locations for the needed segment. Consider strategies for systems where segments cannot be relocated, and those for systems where they can.
A page-replacement algorithm should minimize the number of page faults. We can do this minimization by distributing heavily used pages evenly over all of memory, rather than having them compete for a small number of page frames. We can associate with each page frame a counter of the number of pages that are associated with that frame. Then, to replace a page, we search for the page frame with the smallest counter.
(3) When counters are decreased, and (4) how the page to be replaced is selected. b. How many page faults occur for your algorithm for the following reference string, for four page frames?
c. What is the minimum number of page faults for an optimal page-replacement strategy for the reference string in part b with four page frames?
Consider a demand-paging system with a paging disk that has an average access and transfer time of 20 milliseconds. Addresses are translated through a page table in main memory, with an access time of 1 microsecond per memory access. Thus, each memory reference through the page table takes two accesses. To improve this time, we have added an associative memory that reduces access time to one memory reference, if the page-table entry is in the associative memory. Assume that 80 percent of the accesses are in the associative memory and that, of the remaining, 10 percent (or 2 percent of the total) cause page faults. What is the effective memory access time?
Consider a demand-paged computer system where the degree of multiprogramming is currently fixed at four. The system was recently measured to determine utilization of CPU and the paging disk. The results are one of the following alternatives. For each case, what is happening? Can the degree of multiprogramming be increased to increase the CPU utilization? Is the paging helping?
We have an operating system for a machine that uses base and limit registers, but we have modified the machine to provide a page table. Can the page tables be set up to simulate base and limit registers? How can they be, or why can they not be?
What problems arise if the directory structure is a general graph?
Q: What is garbage collection?
Q: How can we protect files on a single-user system?
How can we protect files on a single-user system?
Q: What might damage files?
List kinds of access we might want to limit on a multi user system.
List four ways systems might provide for users to protect their files against other users.
In the IBM/370, memory protection is provided through the use of keys. A key is a 4-bit quantity. Each 2K block of memory has a key (the storage key) associated with it? The CPU also has a key (the protection key) associated with it. A store operation is allowed only if both keys are equal, or if either is zero. Which of the following memory-management schemes could be used successfully with this hardware?


Front-end development of a website is the development of those elements of a website which the customers sees and interacts directly. It is a mixture of programming skills and aesthetics. It includes the understanding of element arrangements on the screen, the color, and the font choices.
Web development is a term which is mainly involved in developing a website for the Internet (World Wide Web) or an intranet (a private network). Web development assists in developing the simplest static single page of plain text to the most complex web-based electronic businesses, internet applications or social network services. Its comprehensive list of tasks also includes web designing, web engineering, web content development, client-side /server-side scripting, client liaison, web server, e-commerce development, network security configuration and much more. Web Development mostly refers to the main non-design aspects of building websites writing markup and coding. Nowadays Web development has come to mean the creation of CMS or Content Management Systems. These CMS can be made from a proprietary, scratch or open source. CMS mainly acts as a middleware between the database and the user via a browser. The benefit of CMS is that it allows non-technical people to make changes to their website without having technical knowledge.
Web Application Development is the process and practice of developing web applications. Web applications are dynamic websites which are combined with server side programming & provide various functionalities like – connecting to back-end databases, interacting with users and generating results to browsers. Examples of web applications are – Social Networking, Online Reservations, Online Training, Online Forums, Online Banking, eCommerce / Shopping Cart Applications, Interactive Games, Online Polls, Blogs, Content Management Systems, etc.
A web developer is a programmer who is specialized in & engaged in the development of World Wide Web applications or distributed network applications which are run over HTTP from a web server to a web browser.
Web design is a process of planning, conceptualizing and building a collection of electronic files which determine the colors, layout, structure, text styles, graphics, images and use of interactive features which deliver pages to your site visitors.
Website design features for publication websites provide the facility of utilizing the website to the publishers as a news, information and interactive readership portal for their brand niche online. Website design options offer the facility of selecting the most important features to the publishers for building online growth and revenue.
Web Development Tools allow web developers to test and debug their code. These tools are different from website builders and IDEs as they are used for testing the user-facing interface of a web application or website. It comes as browser add-ons or built-in features in web browsers. The most popular web browsers are – Google Chrome, Opera, Firefox and Internet Explorer. They have built in tools which help the web developers. They have many additional add-ons too which can be found in their respective plugin download centers.


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text:
Your Top Resource for Consignor and Auction News
Used Vehicle Values
Captive Finance
New-Vehicle Sales Expected to Fall 6% in July
July 27, 2017 • by Staff
Courtesy of Subaru.
Kelly Blue Book expects 1.43 million new vehicles will be sold in July, which is 6% less than the same time last year. The forecast would put the seasonally adjusted annual rate at 16.7 million for the fifth month in a row with a new-vehicle SAAR below 17 million.
"The annual selling pace is expected to remain below 17 million SAAR in July with volume dipping slightly from the levels seen in May and June 2017," said Tim Fleming, analyst for KBB. "Kelley Blue Book expects to see sales start to jump back up again in August and September thanks to model-year closeouts and the Labor Day holiday."
These lower sales numbers come after a record year for car sales in 2016, which culminated in 17.5 million new vehicles sold by the end of the year. Prior to 2016's record, the new-vehicle industry had experienced six years of consecutive year-over-year sales increases. KBB's forecast for 2017 is sales in the range of 16.8 million to 17.3 million units.
Fleet sales are also expected to represent a smaller percentage of overall new-vehicle sales in the month, as more sales are expected to originate from retail sources. Retail sales are expected to account for 84.1% in July, up 0.5% from the same time last year.
General Motors is expected to see the biggest drop in market share as it focuses on lowering its production to address rising inventory, according to KBB. This drop in production is expected to curb the increased incentives needed to move slower-selling models that have grown in supply, the firm added.
The only brand expected to see a year-over-year rise in sales volume during July is Subaru, according to KBB. Subaru is expected to grow unit sales by 3.7%, year-over-year, thanks to the popularity of its Crosstrek and Outback SUVs and Impreza compact car.
Compact SUVs are expected to see the highest gains in market share during the month. Meanwhile, mid-size cars are expected to post the highest drop in market share in July.
Related: New-Vehicle Sales Down 2.3% in First Half of 2017
Read more about Remarketing Kelley Blue Book New Vehicle Sales
In Memoriam: Manheim Milwaukee's Dennis Worthy
Former Manheim Milwaukee General Manager Dennis Worthy passed away on January 9, 2020.
2020 Consignor of the Year Award Voting Begins
The winner is announced at the annual Conference of Automotive Remarketing, which this year will be held on March 24-25, 2020 at Caesars Palace Las Vegas.
Manheim Names New VP of Manheim Logistics
Manheim has promoted Joe Kichler to vice president of Manheim Logistics.
These Were Our Top Stories of 2019
As we reach the end of 2019, we're looking back at the top 10 news stories and top five articles posted on Vehicle Remarketing this year.
Over 50% of Auction Academy's Latest Class is CAR Certified
The International Automotive Remarketing Alliance's (IARA) CAR Certification became part of Auction Academy's curriculum in February 2018.
ServNet Looks Toward New Leadership in 2020
Bruce Beam, president of ServNet Auctions and general manager of Dealers Auto Auction of OKC, outlined some of his and the organization's goals for the coming year.
Discounts, Incentives Stabilize New Vehicle Prices in November
The valuation analysts at Kelley Blue Book reported the estimated average transaction price for a light vehicle in the United States was $38,393 in November.
November Sales Report Pushes 2019 Total Closer to 17M
The estimated seasonally adjusted annualized rate of U.S. new vehicle sales continues to hover around the 17 million-unit mark after several major manufacturers enjoyed year-over-year improvements in November.
ADESA UK Wins IT Innovation Award
ADESA UK won the IT Innovation Award at the 2019 GreenFleet Awards for its Intelligent Vehicle Inspection solution.
In Memoriam: Auction Co-Owner Skip Wolfgang
Millard H. "Skip" Wolfgang III, co-owner of Pennsylvania Auto Dealers' Exchange, died Nov.1 at his home in Virginia. He was 72.
© 2020 Vehicle Remarketing, Bobit Business Media. All Rights Reserved.


Oh, no! I am married to Hurry.
You can live your life as the bride married to Hurry, having affairs with Not Enough, Always Stress, and Easy Cynicism.
My heart stopped because this is me. Don't get me wrong, I intentionally fight this description every day but I fear I am not winning the battle. As much as I fight it, I am not yet immune to the hurry of my life, the not enough feeling that social media taunts me with, the always stress of being a wife, mom, friend, full-time teacher and founder of Oaks Ministries, and the easy cynicism that surrounds me as our country and culture are in upheaval and my environment is saturated with easy cynicism that rolls off the tongue with nary a thought all around me.
Really? I am truly living above all of this like my book is titled?
Really? I live entirely undeterred in my relationship with God in the confines of this chaotic world?
Really? Not one person in my life is swaying me away from perfect focus?
Really? Not one of my obligations is out of balance?
Really? I don't ever look at the life of someone else and feel less than?
I am flat out aware that I am not immune from such influences. As much victory as has been seen, there's a long way to go.
I am not yet standing in full victory.
So I press on with a new prayer that is flowing from a freshly tweaked heart straining forward after being pierced by these sentences.
Jesus, thank you for dying for the sin-soaked flesh in which I am housed because of original sin. Thank you for raising from the dead, conquering death once and for all, so that I can know that Your promise of a forever heaven is trustworthy and I do not have to live enslaved to sin. Thank you for sending me a Helper, the Holy Spirit, as another power to access besides my own feeble strength. Holy Spirit, saturate and flow through every part of me. Be what people experience when they interact with me today. God, I invite you into my day to surprise me with your goodness and perfection. Infiltrate my day with Yourself – in every relationship, every sentence, every thought, every decision and every aspect of my schedule. I trust You to run the day. I trust Your perfect sovereignty to reign over all the imperfect parts of my life. I lean into each part of my life and into You, trusting You alone with everything…every person for which I am concerned (name), every situation that worries me (name)…every iota of my life. Spin it all for Your glory, Your kingdom, Your eternal story. I am powerless except for You. All you. No me. May it be that way today.
the fight is still not over.
Time for a newly committed stance.
Picture Explanation: Last year friends of ours met a foster child and began to pursue adoption. (I blogged about it a bit last December.) This month, he became their son.
Also this past week our family celebrated the ten-year anniversary of the adoption of our son! He is pictured here with a sweetie pie I dearly love who also has an adoption story related to our son's.
Our son's story has been told in my blog in 2014 and 2015.
I pray regularly that each day I become a better mom to him than the day before. And I consistently thank God for the honor of being called this young man's mother. What a gift from God. He made our family better!
Adoption is beautiful. However, each adoption is also forged in struggle. After all, that is why God had to send His Son to make a way for us to be adopted into His family. We were in trouble and needed rescue from our sin. So I want to honor these adoption stories with the celebration they deserve but also continually extend respect and compassion for the birth families associated with each picture posted this week.
I was very blessed by your blog today. My life fights "hurry" too. It is a battle, but I am thankful that it is a constant reminder of how much I need Jesus every day!
I love the pictures in your blog this week! You featured two very special families that I love – yours and my daughters! I love adoption too!! And I love my two adopted grandchildren! They are such a huge blessing to our family!!
I am thankful that this week's blog brought you joy. Let's not hurry today. Jesus spins the world, not us.


Spring has sprung, and homeowners' hearts and heads are turning toward fixing up their yards. Home and garden show season is in full swing, and there is much to learn from the experts. If you've never attended one of these shows, you have a treat in store. If you're looking for landscaping services, the best of the best will be there for you to meet.
Vendors will have all the latest new introductions as well as your old favorites. New varieties often come with extra benefits such as faster growth or improved disease resistance. If you're into vegetables, you'll find that there is a whole world beyond tomatoes and zucchini. Why not try some edible ornamentals like cranberry hibiscus with it's striking burgundy leaves, or Love Lies Bleeding amaranth? If you are into trees, there will be a plethora of shade, evergreen, and fruit trees to choose from.
Waterfalls, ponds and water gardens are a big feature at most home and garden shows. You may feel like you can't afford a pond or fountain, but they come in sizes and price ranges for every budget. Even if you only have a small courtyard garden, there are tiny ponds with fountains and bubblers that take up no more room than a bowling ball. There will also be vendors with fish and all the other critters that you need to create an entire pond ecology.
With so many people downsizing into homes with little to no room for entertaining, outdoor rooms are all the rage. Stamped concrete patios stained in an array of lovely colors can give you a permanent gathering area that will add value to your home. Wooden decks are also perennial favorites. Of course, you need lighting and fans, so there will be plenty of those to ooh and aah over, as well as a wide array of grilling and cooking appliances and outdoor furniture.
If you can imagine it, you can find the yard of your dreams at a spring home and garden show. Make a day of it. Attend some seminars and classes, and get details from the experts about all the items that tickle your fancy. Ask your local landscape professional about shows in your area that he recommends and may even be participating in.
For more information, go to websites like http://www.masterlandscape.net.


text:
Maximizing COP26 and the Politics of Climate Negotiation
Virtual + Screening In R-414ab
Victoria Groves-Cardillo
Three former UK Energy Ministers will discuss what should be on the
negotiating table at the UN COP26 Climate conference in November, and
what needs to be achieved to stay on track to meet net zero carbon
emissions by 2050. Amber Rudd was UK Energy Secretary who signed the
Paris Agreement in 2016, while Claire Perry was COP President Designate
and played a critical role in securing COP26 for the UK. Chris Skidmore,
currently an M-RCBG senior fellow, signed the UK Net Zero legislation
into law- becoming the first G7 country to do so. They will focus the
discussion also on the need to embrace other low emission technologies,
including nuclear and hydrogen.
Option to attend screening in the HKS Democracy Lab: Anyone with an HUID
is invited to watch the seminar in-person in the DAVID ELLWOOD
DEMOCRACY LAB (R-414AB). First-come, first-served seating.
Speakers and Presenters
Rt Hon Chris Skidmore, M-RCBG Senior Fellow and UK Member of Parliament; former UK Minister of State for Universities, Research, Innovation and Skills (2018-19, 2019-2020) and Energy Minister (2019)
Rt Hon Amber Rudd, former UK Secretary of State for Energy and Climate Change (2015-2016) and UK Home Secretary (2016-2018)
Rt Hon Claire Perry, former UK Minister of State for Energy and Climate Change (2017-2019); former COP26-President Designate (2019-2020) and current Managing Director for Climate and Energy, World Business Council for Sustainable Development
Evaluating the Role of the Paycheck Protection Program During COVID-19
Why, When and Whether to Have Kids: the individual questions driving global demographic decline
February 2, 2023 | 12:00 PM
Sovereign Debt for Emerging Markets: Past Crises and Future Challenges


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text:
Lin Chen, Technical Account Manager
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Video of qhABzTo-gq8
MACHlete
Technical account manager (MACH), Microsoft
Lin is training to become a product superstar as part of Microsoft's famous MACH program!
Lin has been part of the competitive Microsoft Academy for College Hires (MACH). This two-year program gives new grads hands-on experience, hones their skills, and helps them grow their career within Microsoft. People across the company recognize MACH hires as high potential new recruits.
Lin's CareerMash
Lin is training to become a technical account manager. When a business client experiences problems with a Microsoft product – such as compatibility issues with a new software version – someone must help them solve it. "As a technical account manager, I oversee the support team that helps the client troubleshoot and solve the problem. We make sure to meet the client's expectations so they end up happy," she says.
Lin's life changed when she discovered her passion for technology. "I'm from a mixed educational background. I wasn't sure what I wanted to do even three years ago, but now I know clearly what I want. I discovered my interest, pursued it, and now I am making a career of it."
Lin's training included a weeklong gig at Microsoft headquarters in Seattle, Washington. As a MACH hire, she spends her first year learning the ins and outs of Microsoft and its software products – and how to work effectively with clients. The summer had her traveling to Denver, Colorado for another training session for 600 MACH hires from around the world. "Different countries do things in different ways. It was eye opening and exciting."
Lin works remotely from the Mississauga, Ontario offices for most of the week. She is part of an initiative where she reports statistics and analysis for an internal part of Microsoft. "I was so excited to be able to apply my analytical skills to the business immediately. And I felt so good that they let me take responsibility. I can't wait to have my first external client."
She spends another part of the day working on a shared "virtual" desktop with her "buddy," a MACH graduate in technical account management. The virtual desktop lets Lin shadow while her buddy works from another location. "She'll show me how to create a ticket and how you investigate to try to solve a program. We're not in the same location, but we talk and share work every day." She also has a coach, a Principle technical account manager, who she meets every other week to discuss her career development plan. Besides formal mentor relationship, Lin says there are tons of opportunities to learn. "I learn from everyone I interact with, my coworker, my manager. And when I ask, people come to me with learning opportunities."
Lin headed back to Seattle to kick off year two of the MACH program. She also plans to take on clients in year two.
Why this job rocks
"I came out of school energetic and I wanted to do something meaningful and engaging –not just work for a paycheque. That's why I applied for this position. I'm so impressed with Microsoft in terms of how much they invest in every employee to ensure they succeed. And Microsoft provides a team behind you to help you succeed. Now I wake up every morning and want to go to work. It is that good!"
Lin earned her undergrad in engineering at Southeast University in Nanjing, China. She realized she liked interacting with people, so she also got a masters in management science with a specialization in communications from the University of Waterloo.
She discovered her love of IT in a co-op job at CGI where she worked as a project delivery officer alongside developers, architects and project managers.
After graduation, she got a job as an IT planning and execution analyst at Symcor. She worked on release management, where she helped control when software products would be released. But this was a contract position, and Lin wanted a career.
Now she's in the Microsoft MACH program as a technical account manager .
"When you're a mobile worker, the 9-5 boundary kind of disappears. If I have to work from home, I may work from 8 am to 8 pm. You need to adjust your work/life balance," Lin says. Right now she doesn't have clients of her own so it's easy to arrange her schedule. "Once I have clients or multiple clients, I will need to be flexible to be fair and to make time for every one of them."
Be willing to learn. "Technology evolves fast. A willingness to learn can help one stay ahead of the game."
Expect the unexpected. "Look beyond superficial facts and help the client identify the root cause of the problem."
Practice good communication skills. "A technical account manager needs to understand the client's need and communicate in a language your client understands."
Be determined. "If you are passionate about technology you need to be persistent." Lin's mentor volunteered as a receptionist at Microsoft in high school because she really wanted to work there. "That's how she got her foot in the door. Then she went to Waterloo to study computer science. It takes time."
Stay focused: No matter what goal you have, write it down, make a plan and take the time and effort to work towards it.


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Q: How to sync data between desktop and mobile app? I built a desktop application with Electron JS, SQLite, and React JS.
The desktop app allows an admin to add, delete and retrieve clients and it's connected to a SQLite database that stores client information. It uses SQL queries to perform these operations:
 //Add a client to the db
exports.addClient = (client) => {
  db.prepare(
    "INSERT INTO clients (name, phone , position, description) VALUES (?,?,?,?)"
  ).run(clients.name, clients.phone, clients.position, clients.description);
};

As you can see, I am not creating any REST APIs in here.
Now I want to build a mobile app but for the clients (with React Native), and it should be able to display clients information that are stored in the DB.
My question is how do I connect the mobile app to the database to fetch the data of clients? Do I write SQL queries like I did in the desktop app or do I have to create REST APIs and then fetch the data?

A: Mobile apps indeed use the same database(s) as a desktop app so that any changes in the database records whether on mobile or desktop is reflected on all connected devices.
For your problem (and correct me if I'm wrong), I believe you are try to connect a mobile app to a database hosted on the same machine as your desktop application. If so then you would need to create a connection to your database using a public ip address.
Here's a drawing
The downside to this method is that since your database will be publicly accessible, it will be vulnerable to a denial of service attacks, furthermore, your client(s) are talking to the database directly which makes scaling an issue. If you're not worried about these types of problems, or are creating doing this just for learning then I don't see any problem with directly connecting to the database.
With APIs, you can have a common interface for all your devices to interact with. Your desktop and mobile app can connect to the API and then the API can directly communicate with your database. This will allow you to move common CRUD functions from both your apps over to the API. It also makes scaling easier if your plan to add more devices in the future.
As for how to code data fetching function in react native, I think these posts might help:
Trying to fetch data from a remotely-hosted MySQL database, using React Native
https://dev.to/saulojoab/how-to-get-data-from-an-mysql-database-in-react-native-53a4


or possibly a Stalking Charge?
You ever really want something?
And think that with a little hard work, your wish could be granted?
I want to build the loveables a new kitchen.
I need Nate Berkus' help.
And I want it so damn bad, I can taste it.
Now, how to get Nate Berkus to decide to pick us as a pet project?
That my friends just may be the million dollar question.
How do we con him into choosing us out of all the people that ask for his help???
I asked a gifted young woman photographer I work with to take a couple of pictures our pathetically dreary little kitchen.
Old cinderblock walls painted a dreadful pale yellow. Cupboards that are chipped and many missing doors. Poor inefficient plumbing that has caused sink drain water to backup onto the floor and loosen the homely tiles that cover it.
That damn kitchen is ugly.
But oooooh, if those walls could talk.
They would tell such tales.
and an almost daily realization that we are all not as bad as we sometimes may seem.
The little kitchen doesn't reflect what really goes on in there.
In my mind's eye I see brightly colored walls, and pretty cupboards.
I see inspirational art work, whispering messages of hope.
I see a counter big enough for us all to gather round.
And a floor that looks like we've mopped it after we have in fact mopped it.
A couple of friends of mine located Oprah's address.
And soon I will have picture proof of our need.
I will have one of the artistic loveables decorate an envelope...one that screams " PICK ME TO READ" from the pile.
PS...if anyone reading this post is Oprah or Nate's cousin, lifelong pal, old classmate, FB friend, next door neighbor...could you please pass along the link to this little blog?
What a great idea!! You go, girl!


When it comes to keeping a business running smoothly, few areas are more important than inventory management. By addressing this crucial part of the supply chain, you will always have needed items for manufacturing and other business activities, while also ensuring that goods reach your customers in a timely manner. Unfortunately, inventory management can become extremely inefficient and error-prone. You can resolve your problems with RF-SMART by integrating with NetSuite to provide automated solutions. Here are some of the common issues the implementation of such a system will help you avoid.
Businesses are typically worried about running out of stock — but quite often, the opposite problem occurs. When you are unable to track inventory properly, you might order stock when it isn't needed. As a result, you could end up with excess inventory that is taking up space in your warehouse. With more items than demand can keep up with, you could lose money because you don't have space for more profitable items.
Demand forecasting can be incredibly challenging, and without software that tracks demand patterns and inventory levels, it can become near-impossible. With the right program, you can track these patterns over time to determine periods of peak demand. This will allow you to adapt inventory levels in your warehouse accordingly so you are better prepared for peaks and lulls in the sales cycle.
When your business fails to accurately track inventory and supplies that are coming in and out of your warehouse, significant financial issues can result. Without full tracking of the supply chain, costly accounting errors can result, such as placing double orders or failing to account for how much space is available in the warehouse. Even a relatively minor error can stress your company's bottom line.
Companies live and die based on the quality of their service — and sound inventory management will play a crucial part in how customers perceive your brand. Your ability to manage supply and demand will ensure that you deliver products in a timely manner. Optimizing delivery and lead times will increase customer satisfaction, which in turn will help you acquire and retain customers so you can further increase your profit margins.
By streamlining your inventory management with an integrated solution like RF-SMART, you will eliminate the inefficiencies that interfere with this crucial element of running a business. By ensuring that you always have adequate inventory, you can deliver better results for your customers and ultimately improve your bottom line.


How many places around the world have you been? I have been to Hong Kong and I have enjoyed my first international trip in the former British colony. Let us not forget my beloved Taiwan where I am experiencing now the greatest adventure of my life. Taiwan and Hong Kong. Only two places in the world map and there is a need for me to see other countries. Unfortunately, seeing the world means spending a lot money that only the rich can afford to do. But I have found a cheaper way... I just went to the Window on China theme park where mini-replicas of destinations around the world can be seen. I have entered its doors and I was amazed. It was really a small world after all!
The theme park is located in Taoyuan and accessible by just boarding Bus 5350 at Taipei Songshan Airport. The bus also makes a stop at MRT Jingan Station but the bus will be full with passengers when it passess by at that station so it's better to board the bus at the MRT Taipei Songshan Airport Station Exit 3. There are numerous waiting sheds there and just look for the one with the poster for Bus 5350. Window on China is the second to the last stop of the bus so tell the driver that you are going to this place or you might find yourself in Leofoo Village theme park if you got asleep. The journey around from Taipei is approximately 1 hour and 45 minutes so budget your time well because 3 hours is not just enough to enjoy the replica part of the theme park. I paid the bus fare using my EasyCard and going back to Taipei there will be officers from E-go bus at the bus stop where you can buy the tickets back to the capital.
Window on China theme park have a promo nowadays because for only NTD 399 one can enjoy all the rides inside the park. Regular tickets cost NTD 799 and NTD 699 for adult and students respectively so grab now the opportunity before the promo is gone. After paying my ticket at the counter, I went to the Information booth where I asked for an English pamphlet of the Window on China theme park.
This amusement park is famous for their 12-storey high Jumbo Wave and it's great for people looking for thrilling rides. They also have a ferris wheel and other rides that were designed for children while a water park at its center is open only during the summer months of July and August. The theme park also has a tourist train where one can see a beautiful tea plantation while riding it. People are transported from one place to another inside the park with this train.
I focused on the mini-replicas for this trip and I have explored these areas: Mini Taiwan, Mini China, Mini Asia, Mini Europe. Imagine seeing the Chiang-kai Shek Memorial Hall standing beside the Sun Yat Sen Memorial Hall. That's what you can expect at the Mini Taiwan area. I can feel the religious ambience from the replica of the Longshan Temple. It was very detailed with mechanical monks bowing their heads. There was also a version of the Taipei Zoo and the Presidential Palace. Tamsui's Fort San Domingo and the Former British Consulate were also there. Other destinations can also be found like the Baroque style Hsinchu Station and the Taipei Mosque. There were lots of replicas of buildings around Taiwan and they were just too many to mention.
Another interesting portion of the theme park was a large Taiwanese port with ships that were sailing! A train also runs in the port zone making it look like a big playground. It goes inside tunnels with the astonishment of little children. Frequent travellers in Taiwan are already familiar with the National Sun Yat Sen Freeway and I smiled at the sight of small cars and trucks. I felt that I was like Godzilla ready to stamp my footprint in the middle of the highway. I also heard familiar sounds like it was coming from an airport and I suddenly saw a China Airlines plane ready to take-off from a replica of the Taoyuan International Airport. Wow! It was moving around in a runway.
The Mini China boasts different number of destinations that I can see in Asia's biggest country and I would love to have a tour in the mainland especially Beijing and Shanghai. The Taj Mahal and the beautiful castles in Japan and Korea caught my attention in the Mini Asia area. The Korean palaces were spread throughout in a large area while the historical Japanese buildings were built vertically. The Seven Storied Pagoda in Nara, Japan was even taller than me it has and I have photo with one of its twin towers. Another interesting set of replica in Window in China is the Himeji Castle and the Osaka Castle. They really look the same but I was surprised to find out that they are two different structures.
I continued my journey to Europe where windmills represent Netherlands and the Leaning Tower of Pisa stood for Italy. The St. Basil's Cathedral of Russia was also there and great for taking a selfie with its bulb-shaped towers. The Greek gods might have already visited Taiwan with their Acropolis standing high among all the European replicas. Just look around and you will find other interesting structures. The Mini Europe was my favorite place next only to Mini Taiwan.
Oh my God! I forgot to visit Mini America. The Statue of Liberty and the Mount Rushmore National Memorial were there. But it was ok. There will be interns that will be coming to Taiwan and I'm very sure that they will get interested to visit Window on China. I will be travelling with them across Asia, to Europe and then to America without ever leaving Taiwan. No magic. No google maps. I will show to them that the world got smaller.


text:
package org.linkedin.util.io.resource;

import org.linkedin.util.io.ram.RAMDirectory;
import org.linkedin.util.io.ram.RAMEntry;
import org.linkedin.util.io.ram.RAMFile;
import org.linkedin.util.io.resource.internal.AbstractResource;
import org.linkedin.util.io.resource.internal.RAMResourceProvider;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;

/**
 * @author ypujante@linkedin.com
 *
 */
public class RAMResource extends AbstractResource
{
  private final String _fullPath;
  private final RAMResourceProvider _resourceProvider;

  /**
   * Constructor
   */
  public RAMResource(RAMResourceProvider resourceProvider,
                        String fullPath,
                        String path)
  {
    super(resourceProvider, path);
    _resourceProvider = resourceProvider;
    _fullPath = fullPath;
  }

  /**
   * @return the ram entry
   */
  public RAMEntry getRAMEntry()
  {
    return _resourceProvider.getRAMEntry(_fullPath);
  }

  /**
   * @return true if the resource exists.
   */
  @Override
  public boolean exists()
  {
    return getRAMEntry() != null;
  }

  /**
   * Returns a File handle for this resource.
   *
   * @throws IOException if the resource cannot be resolved as a File handle, i.e. it
   *                     is not available on the file system (or it cannot be made available).
   */
  @Override
  public File getFile() throws IOException
  {
    throw new IOException("not a file");
  }

  /**
   * Important note: the caller of this method is responsible for properly closing the input
   * stream!
   *
   * @return an input stream to the resource.
   * @throws IOException if cannot get an input stream
   */
  @Override
  public InputStream getInputStream() throws IOException
  {
    RAMEntry entry = getRAMEntry();

    if(entry == null || entry instanceof RAMDirectory)
      throw new ResourceNotFoundException(toURI());

    return new ByteArrayInputStream(((RAMFile) entry).getContent());
  }

  /**
   * Efficiently returns all information about the resource.
   *
   * @return information about this resource.
   * @throws IOException if cannot get information
   */
  @Override
  public ResourceInfo getInfo() throws IOException
  {
    RAMEntry entry = getRAMEntry();

    if(entry != null)
      return new StaticInfo(entry.getContentLength(),
                            entry.lastModified());
    else
      throw new ResourceNotFoundException(toURI());
  }

  /**
   * @return true if this resource represents a directory.
   */
  @Override
  public boolean isDirectory()
  {
    return getRAMEntry() instanceof RAMDirectory;
  }

  /**
   * @return a uri representation of the resource
   */
  @Override
  public URI toURI()
  {
    try
    {
      return new URI("ram://" + _fullPath);
    }
    catch(URISyntaxException e)
    {
      // should not happen
      throw new RuntimeException(e);
    }
  }

  /**
   * Factory of {@link RAMResource} (based on a {@link RAMDirectory}
   *
   * @param root
   * @return resource
   */
  public static Resource create(RAMDirectory root)
  {
    return new RAMResourceProvider(root).getRootResource();
  }
}


Remember me If you are using a pubblic device, remember to disconnect to protect your personal data and avoid the use of your account by others.
With Nati per leggere - Umbria you can search for books and other documents, for children from 0 to 6 years, available in Umbrian libraries participating in the national project Nati per leggere.
With Biblioteche Umbria you can search for books and other documents of interest in libraries participating in the Polo Regionale Umbro SBN.
It lets you know museums and monuments of the territory, exploring the interiors and collections, reading news.
"Umbria Musei Digital Edition" is a project of the Umbria region born with the aim to bring content to the enhancement of the museum system and the area of innovative and above all portable instruments.