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- 7September 2015
hey dee ho currently run our music, fitness, yoga and drama classes in over 300 early learning centers across Australia. Sessions can be set up as centre or parent paid. Weekly, fortnightly, monthly or term based incursions are available and a FREE demonstration for all the children at your centre is available for centres considering taking up the opportunity on a regular basis. Our programs are suited to ALL ages including babies.
Early Learning Years Framework
At hey dee ho we are very passionate about our music. Not only does it provide great pleasure and comfort to many people, but it is a proven tool that stimulates learning, thereby providing a key to unlock potential.
In partnership with the 'Australian Institute of Music and Childhood Development', and in alignment with the 'Early Years Learning Framework for Australia (Belonging, Being & Becoming)', we have set up a curriculum to ensure that our program is presented to maximise learning outcomes and comply with national guidelines.
Our music program:
- focuses on play-based learning.
- utilises novelty to provoke interest and more complex and increasingly abstract thinking.
- incorporates familiar family and cultural texts and stories.
- provides a rich and diverse variety of resources that enable children to express themselves using dance, drama, music and storytelling.
- stimulates visual and auditory processing and memory.
- promotes inclusion.
- introduces children to cultural differences and respect for diversity.
- exposes children to different languages both verbal and non-verbal.
- engages children in concepts of symbol systems, for example, letters, numbers, time, money and musical notation.
- develops spatial awareness (concepts of over, under around, through, in and out).
- involves children in the joy of imaginative play.
- values self-expression.
- refines fine and gross motor skills through movement, dance and use of resources.
- enable a balance between child led and educator supported learning.
- move flexibly in and out of different roles and draw on different strategies as the context changes.
- engage in enjoyable interactions with children as they make and play with sounds, concepts and movement.
- draw on their creativity, intuition and imagination to improvise and engage children with dynamic activities and spontaneous 'teachable moments'.
- widen childrens network of secure relationships and work in partnership with families and early education professionals.
- recognise and respond to barriers facing children and promote inclusion and participation.
- honour the cultures, languages, traditions, child rearing practices and lifestyle choices of families and children.
- co-learn with children and constantly reflect on different ways to approach challenges to learning outcomes.
- respond to children's ideas and play, which in turn stimulates a flexible curriculum structure as educators analyse, anticipate and extend learning.
- introduce materials, resources and technologies to enhance learning.
- respect diversity, acknowledging the varying approaches of children, and build on the perspectives, languages and unique understandings that children bring.
- understand the importance of children's right to be in the moment and experience the joy of childhood.
- acknowledge and respond sensitively to children's cues and signals.
- support children's efforts, assisting and encouraging as appropriate.
- model care, empathy and respect.
- show genuine affection, understanding and respect for all children.
- challenge and support children to engage in and persevere at tasks and play.
Aims and learning outcomes of the "hey dee ho music" program
In recognition that developmental stages vary over time, our curriculum responds to childrens needs and interests at different age levels with customised approaches.
Our program supports babies to:
- experience and absorb the program until they are able to respond and participate. They do this by observing adults and other children's responses.
- use play to investigate, make sense of and explore new ideas.
- have their emotions and efforts to communicate sensitively responded to.
- experience the benefits and pleasures of shared learning.
- enjoy new sensory experiences (such as finger puppets and soft toys) and also enjoy participating in physical play.
- interact verbally and non-verbally with others.
- benefit from being exposed to non-verbal language (e.g. Auslan) to assist them to express themselves.
- show enthusiasm for interacting with puppets, props, instruments and actions.
- intuit body awareness and their own sense of identity through movement.
- delight in visual stimulus, such as stories depicted on a felt board, which we use as a visual re-enforcement of language.
- recognise basic music concepts and intonation of voice and music – loud, soft, STOP.
- respond through movement to music, dance, storytelling and visual stimulus.
- demonstrate wonder, curiosity and imagination.
- be attuned to sounds and patterns in speech, stories and rhyme.
hey dee ho enables toddlers to:
- become competent in recognising and communicating their bodily needs, understanding their emotions and regulating their self-control.
- model a burgeoning sense of self identity as they join in the dances and activities.
- develop a secure sense of belonging and understanding of the rights and responsibilities necessary for harmony in a group setting.
- learn about connections, similarities and differences between people.
- initiate negotiating and sharing behaviours as we role play and practise taking turns.
- appreciate linguistic diversity through exposure to different languages in songs, greetings and mirroring activities.
- familiarise themselves with concepts like health and safety, hygiene, doctors and dentists.
- confidently make their ideas and needs visible to others.
- improve their listening skills by using imagination, creativity and play.
- immerse themselves in familiar games, stories and physical activities as they develop an ability to mirror, repeat and mimic the actions of others.
- engage in more and more complex sensory and movement patterns as they recognise high and low musical pitch and different time signatures [4/4, 2/4 and 3/4].
- demonstrate spatial awareness and orient themselves through dance, moving around and through their environments confidently and safely.
- question how symbols and pattern systems work.
- become confident in using puppets and other resources and to start to participate more in the active parts of the program – using props and dress ups for e.g.
The program extends pre-kinders by:
- offering them opportunities to revisit ideas and extend their thinking
- recognising individual achievements and inspiring children's' self-confidence as they take turns to lead the group.
- asking them to notice and predict the patterns of regular routines (such as comparative musical concepts – faster, slower, louder, softer).
- involving them in the "telling" of stories with language and role play and discussions of aspects of identity.
- giving them creative tools to express a wide range of thoughts, emotions and views constructively.
- showing them the benefits of cooperating with others and negotiating roles through dance and movement activities.
- promoting wellbeing through reinforcing aspects of healthy lifestyles, including nutrition, personal hygiene, physical fitness, emotions and social relationships.
- aiding retention of basic mathematical and literacy concepts through rhyme and repetition.
- introducing new concepts (e.g. the passing of time, symbols and the relationships between oral, written and verbal representations) in the context of their current lives.
Kinders benefit from hey dee ho sessions by:
- enacting more sophisticated and complex responses as appropriate strategies are used to extend their musical and cognitive knowledge.
- the program's emphasis on role play games, as they are able to further explore aspects of identity.
- encouragement to share the stories of their culture and re-enact well known stories together, or with children taking turns to lead the group.
- taking on a more active role – acting out songs, demonstrating knowledge and using tools and resources with increasing dexterity, competence and skill.
- exposure to specialist musical language, symbols and concepts – piano, forte, legato, staccato etc.
- having fun participating in group discussions and shared decision-making.
- displaying new skills in understanding communicating with, and effectively interacting with people across cultures.
- increasingly co-operating and working collaboratively as a group.
- augmented learning environment structure, with rewarding learning outcomes that reinforce the advantages of working together.
- engaging in group play to imagine and create roles, scripts and ideas.
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When you are shopping for vapes, you are going to come across mouth-to-lung and direct-to-lung, not to mention sub-ohm. But what do they mean?
What is Mouth-to-Lung inhaling?
When you take a draw on your vape, you will experience one of two things. A vapour that you hold in your mouth before transferring to your lungs. Or one that heads straight down to your lungs.
The mouth-to-lung inhale is closer to a cigarette. With this type of in method, you are likely to get a much bigger throat hit, which many people prefer.
For mouth-to-lung vaping you take a smooth, steady drag, then hold the vapour in your mouth before inhaling into your lungs. For mouth-to-lung vaping it is better to use a high PG ratio, as this gives a nice throat hit. Anything with a 50:50 ration will be fine.
What is Direct-to-Lung inhaling?
Unlike mouth-to-lung inhaling, you take this type directly to your lungs. It is closer to taking a deep breath than smoking a cigarette.
Direct-to-lung vaping needs a more significant airflow to cool the vapour down quicker, so direct-to-lung devices are designed to pull air over the coil quickly.
Direct-to-lung can be referred to a direct-lung, and straight-to-lung inhaling.
In order to direct-to-lung vape, you twist the airflow wide open. And take a deep pull similar to taking a deep breath. This allows the vapour to hit the lungs straight away. For direct-to-lung you should be looking for a higher VG ratio. So 80:20 VG/PG.
Is Both Possible?
There is a crossover point between mouth-to-lung and direct-to-lung vaping techniques. Suppose you consider that all vapour needs to pass through your mouth first on the way to the lungs, so technically it is possible. The terms are both widely used to distinguish different kinds of vaporisers, so you should know what they mean for your vaping experience before you buy anything.
What is Restricted Direct-Lung Vaping?
This relatively new term, which can be abbreviated to RDL, is a firm nod to that crossover just mentioned. It refers to a vape which is airier than a typical mouth-to-lung vape but not as airy as a direct-to-lung vaporise is.
With this you don't get the big throat hit of mouth-to-lung, you get a much lighter one, but it is still there, and you inhale the same way as with a direct-to-lung vaporiser.
Mouth-to-Lung vs Direct-to-Lung
Many people are most comfortable with mouth-to-lung when they first start vaping, as generally, they are most used to this mechanism. This style is perfect for a higher nicotine level, tighter draw and a throat hit.
Many people feel this is the closest style to smoking cigarettes. Direct-to-lung can be more intense, and if you are new to vaping, it can make you cough a little.
One of the great things about vaping is the sheer amount of flavours that you have to choose from. Many vapers believe that they get the most flavour from a mouth-to-lung technique than from a direct-to-lung method. This is likely due to the extra air that you inhale with the direct-to-lung technique. So while you get more initial flavour with a mouth-to-lung vape, with direct-to-lung, the vapour is designed to be milky and intense in terms of flavours.
In general when it comes down to it, mouth-to-lung or direct-to-lung depends on how you smoke, and the flavour you want from your clouds.


Implementing Improved Slicing in ndarray 0.11
Implementation of combined slicing and subviews as a single operation in ndarray 0.11.0
ndarray 0.11 has a convenient new feature: combined slicing and subviews as a single operation. ndarray is a Rust crate that provides an n-dimensional array type and associated functionality for general elements and for numerics.
This article discusses the implementation of the new feature. It's a story of type hacking: zero-sized types, associated types, traits for compile-time type manipulation, and pointer casting.
The primary type in ndarray is the ArrayBase container type, which is represented internally as:
 - the data representation (e.g. a contiguous memory block for owned arrays),
 - a pointer to the first element,
 - a sequence of n axis lengths, and
 - a sequence of n axis strides.
The two generic type parameters in ArrayBase are:
 - S: the data ownership (owned arrays own the block of data; array views only have a pointer to it)
 - D: the dimensionality of the array (e.g. Ix1 for 1-D arrays, Ix2 for 2-D arrays, etc.)
ArrayBase is used for both owned arrays and views of arrays. Note that the number of dimensions of the array is typically fixed at compile time, although there is a dynamic dimension type IxDyn if needed.
Slicing methods such as.slice() create a view a subset of the data in an array. With a step other than 1, it's also possible to do things such as view every third index along an axis or reverse the order of an axis.
For example, let's say you have a 3-dimensional array of shape 2 × 2 × 3 (i.e. 2 submatrices of 2 rows and 3 columns):
let arr = array![[[ 1, 2, 3],
 [ 4, 5, 6]],
 [[ 7, 8, 9],
 [10, 11, 12]]];
assert_eq!(arr.shape(), &[2, 2, 3]);
You could create a slice with
 - Both of the submatrices, but in reverse order: 0..2;-1
 - The first row in each submatrix:..1
 - The even-index columns in each submatrix:..;2
let slice = arr.slice(s![0..2;-1, 0..1,..;2]);
 array![[[7, 9]],
 [[1, 3]]]
assert_eq!(slice.shape(), &[2, 1, 2]);
Here, slice is a view of a subset of arr (without copying).
Subview methods such as.subview() create a view restricted to a single index along an axis, and then remove that axis from the view. This produces a view with one dimension less than the input array.
For example, let's select the first (index 0) row in each submatrix (axis 1) of arr. The new shape is [2, 3] because axis 1 was removed from the view.
let subview = arr.subview(Axis(1), 0);
 array![[1, 2, 3],
 [7, 8, 9]]
assert_eq!(subview.shape(), &[2, 3]);
Combining slicing and subviews
ndarray 0.11 makes it possible to combine slicing and subviews in a single operation. To get the same result in earlier versions of ndarray, you'd have to chain together multiple.slice() and.into_subview() calls while being careful about their order. For example,
let arr = Array4::::zeros((12, 10, 6, 9));
// old
let slice = arr.slice(s![3..7,..,..;2,..]).into_subview(Axis(3), 5).into_subview(Axis(1), 4);
// new
let slice = arr.slice(s![3..7, 4,..;2, 5]);
In this example, 3..7 and..;2 indicate slices of axes 0 and 2, and 4 and 5 indicate subviews of axes 1 and 3. The new version is more concise and is easier to use correctly than a series of.slice() and.into_subview() calls.
Implementing this feature was interesting because so much needed to be handled at compile time. The goals were:
 1. Allow a combination of slicing and subviews in a single operation.
 2. Provide compile-time checking of the number of dimensions in the slicing argument. For example, it should be a compile-time error to call Array1::zeros(5).slice(s![..,..]).
 3. Determine at compile time the number of dimensions of the output array/view after slicing. (Otherwise, we'd always have to return a dynamic-dimensional array.)
 4. Provide a representation of slicing information that can be passed around or stored in a variable.
 5. Minimize the use of generic type parameters.
One option was to create a macro that expands to a series of.slice() and.into_subview() calls, like this:
slice!(arr, [3..7, 4,..;2, 5])
This approach was backwards-compatible, but it didn't address goal 4 (providing an object that could represent the slicing information). Additionally,
slice_move!(5 + &slice!(arr, [3..7, 4]) - 9, [..;2])
wasn't quite as easy to read as
(5 + &arr.slice(s![3..7, 4]) - 9).slice_move(s![..;2])
So, I decided to focus on modifying the s![] macro to support subviews.
Representing slicing information
The first step was to define a representation of the information necessary to perform a slice.
In earlier versions of ndarray, this was &[Si; n], where each instance of Si
pub struct Si(pub Ixs, pub Option, pub Ixs);
represented a slice of one axis. The signature of.slice() was
impl ArrayBase
 S: Data,
 D: Dimension,
 pub fn slice(&self, indexes: &D::SliceArg) -> ArrayView;
where D::SliceArg was [Si; n] for fixed-dimension arrays and [Si] for dynamic-dimension arrays. The s![] macro simply provided a compact way to construct a &[Si; n] instance.
In ndarray 0.11, the replacement for Si had to be able to represent either a range with step (slice) or an index (subview). Rust made this easy with an enum:
pub enum SliceOrIndex {
 Slice {
 start: isize,
 end: Option,
 step: isize,
Now that.slice() could take subviews in addition to slicing axes, the dimension of the output array/view could be different from the dimension of self. As a result, the function signature needed to have a generic parameter Do:
pub fn slice(&self, info: &SOMETHING_HERE) -> ArrayView
 Do: Dimension;
So, s![] couldn't just return &[SliceOrIndex; n]; it needed to include Do. The slicing information had two parts: the output dimension and the actual sequence of SliceOrIndex. I combined these in a struct
pub struct SliceInfo {
 out_dim: PhantomData,
 indices: T,
where T was [SliceOrIndex; n] when the SliceInfo was produced by s![].
Constructing SliceInfo
In order to construct a SliceInfo instance, the s![] macro had to build an array [SliceOrIndex; n] and determine the output dimension type after slicing. Both problems were solved with traits:
 - Use Into to convert each argument to SliceOrIndex.
 - Use a new trait SliceNextDim to determine the output dimension type.
The SliceNextDim trait provided a way to update the output dimension while iterating over the arguments.
pub trait SliceNextDim {
 fn next_dim(&self, PhantomData) -> PhantomData;
Starting with $dim = PhantomData (0-dimensional) and calling SliceNextDim(&$arg, $dim) on each argument $arg to update $dim determined the output dimension. The implementation of SliceNextDim for index (subview) arguments specified that D2 = D1 since the corresponding axes were not included in the output, while the implementation for range (slice) arguments specified that D2 = D1::Larger since the corresponding axes were included in the output.
This was great because all the types are determined automatically at compile time! The return type from s![] was &SliceInfo<[SliceOrIndex; n], D>.
Argument coercions
The signature for.slice() was now
pub fn slice(&self, info: &SliceInfo) -> ArrayView
 Do: Dimension;
where D::SliceArg was [SliceOrIndex; n] for fixed dimensions and [SliceOrIndex] for the dynamic dimension (IxDyn). Automatic coercion of


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New discovery lands NWU researcher a spot in top science publication
When magnetic fields and long strokes of hot gas known as jets interact, the jets become bent. This is an important discovery and, for his contribution to it, Professor James O Chibueze has earned a space in the prestigious research publication, Nature.
Prof. James O Chibueze
An associate professor at the North-West University's Centre for Space Research, Prof. James is the lead author of the paper, "Jets from MRC 0600-399 bent by magnetic fields in the cluster Abell 3376".
His co-authors include researchers from the University of Nigeria, Kyushu University, the National Astronomical Observatory of Japan, the SRON Netherlands Institute for Space Research, Kagoshima University, the South African Radio Astronomy Observatory, Rhodes University, Nagoya University, the Research Center for Statistical Machine Learning, and the institute of Statistical Mathematics.
Discovery ventures into uncharted territory
"This is the first unambiguous discovery of the bending of the jets of a radio galaxy due to their interaction with an intra-cluster magnetic field within their host galaxy cluster," says Prof. James.
He explains that our galaxy, the Milky Way, belongs to a group of many other galaxies. "A group of galaxies is called a galaxy cluster. When two of these galaxy clusters merge, they form a massive galaxy cluster. Hot plasma is produced around the centre of the merging cluster and this could expand and compress the magnetic field around it (a process called magnetic draping), thereby creating a layer of stronger magnetic field."
Some of the member radio galaxies in a galaxy cluster are active galactic nuclei, launching fast-moving jet that travel thousands of kilometres per second, moving at speeds close to the speed of light, with the electrons coupled in a magnetic field.
The discovery is that these travelling jets interact with the magnetic layer and despite their tremendously fast movement and kinetic energies, the magnet layer bends the jets by approximately 90 degrees.
Prof. James says the rest of the paper focuses on the more technical elements such as use of the spectral index and numerical simulations (known as magnetohydrodynamics MHD simulations).
The spectral index is used to explain the dependence the intensity of the radio emission on the frequency at which it occurs. By determining this relationship, the properties of a specific jet can be explained.
The MHD simulations were used to reconfirm that the observed bending in the jets truly was due to the interaction with the magnetic layer.
Documenting the groundbreaking discovery
Prof. James started with the study proposal in April 2019. In August 2019, he used the South African MeerKAT radio telescope for the observations and data collection.
"Thereafter I started with the big task of processing massive amounts of raw data. This was finished in 2020."
He says all the hard work paid off as is evident from the study being published in Nature. "I am very grateful to the NWU for the opportunity to work here; it has allowed me ample time to do research and investigate new areas of space research."
A significant achievement
Prof. Francois van der Westhuizen, deputy dean for research and innovation at the Faculty of Natural and Agricultural Sciences, says the publication of Prof. James's paper is a significant achievement, not only for him as a researcher but also for the NWU.
Nature is a revered science publication that only publishes excellent research results. It is rare for a scientist and a university to publish in the top journals such as Nature – and all the more so as a lead author."
Prof. James was also in the news last year as the only researcher from Africa who has made contributions to the Japanese radio astronomy project on the very long baseline interferometry (VLBI) Exploration of Radio Astrometry (VERA).
This project found that the Earth is moving faster than was originally thought and is nearly 2,000 light-years closer than previously believed to the black hole in the centre of the Milky Way.
To read Prof. James's latest paper on the interaction of jets and intra-cluster magnetic layers in Nature, click here.
North-West University (NWU)
The North-West University (NWU) is one of South Africa's top five universities; that offers superior academic excellence, cutting-edge research and innovation and teaching and learning. It all starts here.
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text:
The AutoComplete widget has a different purpose than the ComboBox/DropDownList, that is why it expose different keyboard navigation behavior.
The AutoComplete is more a suggestion box (just like the Google search bar). The widget shows suggestions in its popup and the user could loop through them without selecting anything (the items are just focused and not selected). That is why the user could reach the last one using DOWN arrow, un-focus it and focus the first one. This is the intended "loop" functionality.
The ComboBox/DropDownList, in contrast, directly select the next/prev item. They behave just like the native HTML Select element. Because the item is directly selected, we avoid looping the suggestion list, because this will result in unexpected selection. This could not happen in AutoComplete/MultiSelect because the user needs to hit ENTER explicitly.
The AutoComplete is designed to open its suggestion box only when there is initiated filter. It doesn't have toggle button by purpose. Again this is intended.
To sum up, the described AutoComplete behavior is intended and we cannot provide any workaround to change its implementation. If you would like more ComboBox/DropDownList components, then I would suggest you use them instead. For instance, you can hide the ComboBox toggle button, resulting in AutoComplete look and feel, but preserving the desired ComboBox behavior.
Telerik by Progress

source: openbmb/Ultra-FineWeb


RIT Messenger System Training: Making the RIT Messenger System Work For You
"First introduced in 1987, voicemail has pervaded the workplace. Both callers and those they call have accepted it as a normal part of their work routine, and evolved with the change. A variety of recent surveys (by Casio PhoneMate as reported in USA Today; by Comm Core Consulting Group with the Electronic Messaging Association and the Council of Communication Management) have explored the impact voicemail and email have had on workers. These studies report workers receive numerous voicemail messages on a daily basis. Workers have adapted their schedules to deal with the expectation they can be reached at any time; 40% check their voicemail messages when they are not working, many make additional use of cell phones and pagers to help them manage the incoming flow of information. And even voicemail is not enough - new technologies coming into vogue transfer calls or messages into a number of formats, tracking message recipients down almost instantaneously by email cell phone or pager, regardless of location.
Voicemail and email can be useful tools for communicating with busy people. These tools, when used correctly, allow users to trade information accurately and efficiently. As in any communications forum, good manners and techniques can help strengthen relationships, while poor skills - like leaving long, rambling messages on voicemail or using the Reply to All function to send information to uninterested parties - can prevent information from reaching its intended audience. When using electronic messaging tools to build relationships, it is extremely important to consider the audience and the demands for its time. Your voicemail may be one of 15-20 messages a person listens to at one time; your email may be one of hundreds in someone's in-box. Show your audience you understand that their time and attention are valuable. Respect that by keeping your messages concise, friendly and meaningful, and you will better your chances of a response."
- Andrew Gilman, Comm Core Consulting Group, Messaging Magazine, May/June 1999
Incorporating the RIT Messenger System will mean that some of our campus subscribers will have the opportunity to change the way they are communicating within their jobs. The addition of voice/TTY messaging will allow people to transact several important calls with a single telephone call. They will be able to answer a message, transfer a message to a more appropriate subscriber, or to send a voice message to a distribution list. This will be another step in providing excellent customer service and timely responses to inquiries. Here are some tips for utilizing this system to it fullest:
Preparing Your Own Messages
 - Leave short voice/TTY mail greetings that let callers know where you'll be, when you'll be back, when they can call you again and whom they can contact in an emergency. If possible, change your message daily.
 - Update your greeting regularly. Callers like to know whether you're available to return your calls within a certain time period or if you'll be out of the office for a few days.
 - Keep greetings brief, but precise; people prefer greetings that quickly provide information about access to you or an alternative answering point.
 - Check your messages often, every two or three hours is about right. And return those calls. People do expect to hear from you.
 - Let your callers know about the RIT Messenger system. Tell your regular callers about your system and how to use it by urging them to leave messages to eliminate phone tag. Always ask them to tell you when it's convenient to return their call.
Returning Messages
 - If the caller is also a subscriber to the RIT Messenger System, respond by leaving a message in their mailbox they can retrieve at their convenience. Within the system, you can return the call directly to a mailbox by dialing 5- 8500 and following the prompts to specify the individual.
 - Return calls on a regular basis and people will begin to trust leaving you messages. A timely response is of the utmost importance for this system to truly work effectively.
 - Clear your mailboxes and delete messages regularly to make room for new messages.
 - If you have mail messaging or an answering machine, let it take your messages during specific times of the day so you can concentrate on other tasks. This is a satisfactory, temporary measure. Some return calls are informational only. This is an ideal use for voice mail or an answering machine because it cuts down many informational interruptions throughout your working day and allows you the time necessary to continue your train of thought.
Leaving Messages in Mailboxes
 - Be prepared to leave a detailed message. Plan what you want to say before you call. Speak clearly and slowly.
 - If you are asking for information, leave a concise message explaining your request. This allows the person that you've called to have full and complete information when they call you back.
 - Mention your name and number at the beginning and end of message. By beginning and ending with your name and telephone number, it isn't necessary for the person to replay the message
Auto Dialing Instructions
The Auto Dial Feature provides easy dialing of frequently called numbers from multi-line telephones only. Those with multi-line sets who want to get into the system without dialing the original access code of 5-7878 can use the current auto dial feature to make one of the blank auto dial buttons the RIT Messenger System access information. Instructions follow:
To program and store one telephone number per button:
 1. Lift handset (hear dial tone).
 2. Dial *0 (hear confirmation tone).
 3. Press blank AD button.
 4. Dial the number you want to store (include the 9 for off-campus numbers).
 5. Press AD button.
 6. Press the # sign.
* To change a stored number, reprogram over the existing stored number.
To access RIT Messenger using the Auto Dial Button:
 1. Lift handset (hear dial tone).
 2. Press AD button - system dials the stored number.
 3. Begin message retrieval.
* requires an RIT Computer Account
Getting Assistance
For problems with telecommunications or network performance, connections or other related issues/questions should be directed to the ITS Service Desk 5-5800 and 5-2810 (TTY)


Acepromazine: Why I'm not a big fan when it comes to sedation via 'ace'
Patty Khuly, DVM
Updated: March 07, 2017
Published: October 22, 2009
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In this week's post on my Slumdog's recent need for sedation, the tranquilizer known as acepromazine was addressed in response to a round of questions. As in––Why wouldn't you use this tried and true veterinary drug on your own dog?
When I offered my answer, I received a comment urging me to be more clear about "ace" so that pet owners wouldn't get a one-sided view of this popular drug. In response, I thought it wise to provide a more complete rendering of the issues involved in its usage––especially since acepromazine is veterinary medicine's go-to tranquilizer.
This drug is used in a variety of ways in veterinary medicine. Here are the most commonly applied indications in cat and dog medicine:
 - as an oral sedative for travel, during storms and before grooming or veterinary visits
 - as an injectable tranquilizing agent to address aggressive, fractious or disruptive behaviors in hospital settings
 - in small doses (and typically in combination with an opiate), as an injectable anesthetic pre-medication
 - in small doses in combination with pain relievers post operatively to enhance the effect or lower the dose of the analgesic
In the last two cases, I employ acepromazine often (though by no means always). Pre-op, it's used to lower the dose of anesthetic induction agents to follow, lower blood pressure slightly, reduce the potential for arrhythmias (abnormal heart rhythms) and vomiting, and to confer mild relaxation prior to the procedure. Post-op, its synergistic effects with drugs like opiates mean that a small dose of acepromazine makes the pain relievers more effective in smaller doses.
That's why I like ace. But I don't tend to reach for acepromazine in the first two instances (for which sedation is the ultimate goal). I happen to believe the side effects related to acepromazine outweigh its benefits in these cases given that plenty of other drugs provide safer, more comfortable alternatives if a quiet animal is your goal. Here's the down-side of its uses as a tranquilizer/sedative, as presented by Plumb's Veterinary Drug Handbook (which I urge you all to buy):
 - It reduces the seizure threshold in animals and can bring on seizures in pets predisposed to them (epileptics, brain tumor patients, etc.).
 - At the labeled therapeutic dose indicated for sedation/tranquilization, it can cause profound hypotension (low blood pressure) in some animals.
 - Giant breed dogs and sighthounds can experience extremely deep sedation and prolonged recovery times (indeed, I once saw a greyhound sleep like the dead for two days after half the normal dose was administered intramuscularly)
 - "Acepromazine should be used very cautiously as a restraining agent in aggressive dogs, as it may make the animal more prone to startle and react to noises or other sensory inputs."
 - In fact, aggressive dogs can sometimes become more aggressive after receiving acepromazine. It's posited that the dysphoria associated with this class of tranquilizing drugs is responsible for this.
 - "Acepromazine has no analgesic effects." It does not relieve pain. (Though this is not really a down-side unless you're performing a procedure without other pain relievers on board.)
 - Despite its anti-arrhythmia qualities, it's been observed that boxers can suffer life-threatening arrhythmias with acepromazine––albeit rarely. Veterinarians must always be mindful of this when using ace in boxers.
Further, Plumb's goes on to explain that,
"The use of acepromazine as a sedative/tranquilizer in the treatment of adverse behaviors in dogs or cats has largely been supplanted by newer, effective agents, that have fewer adverse effects.
"Its use for sedation during travel is controversial, and many no longer recommend drug therapy for this purpose."
It's also believed that acepromazine, used freely for noise phobia, may actually heighten pets' sensitivity to noise. For this reason, one of my local behaviorists is especially opposed to its use during storm or fireworks season.
All good points. But for me, the larger issue is this: With acepromazine, the potential for dysphoria (an unhappy feeling) is high. Though we have no way of confirming this (except by inference, as in the case of heightened aggression in dogs who receive ace), we do know that similar tranquilizers in humans have fallen out of favor due to their dysphoric effects on people.
Consider Thorazine (chlorpromazine): This drool-on-yourself, One Flew Over the Cuckoo's Nest kind of tranquilizer was once ubiquitous in human psych wards. Though this acepromazine-like drug is still used, it's not exactly a kind drug when used in big, human-stopping doses. Still, nothing quiets a raging psychotic like Thorazine does. Same goes for acepromazine in pets. It stops them. And that's why we like it.
Problem is, not only do we have the case of dysphoria and Thorazine to consider, we also happen to know that acepromazine causes even more profound dysphoria in humans than "Vitamin T" does. That's why humans very rarely abuse it.
You may abhor the comparison between humans and animals in this case. After all, humans and animals don't react the same way to all kinds of drugs. Nonetheless, neglecting to use human drug reactions as a starting point for how these drugs might theoretically act in animals seems a silly thing to do. But we do so all the time in cases where psychology is involved. As if animals might not experience similar alterations in brain chemicals in the same way...simply because we can't ask them how they feel.
Same is true for how pain relief has historically been treated in animals, infants and children. When we can't measure the psychological effects of pain, we've been––until very recently––reluctant to offer chemical relief for it.
Human and animal comparisons aside, I have a problem with acepromazine not only because of the potential for dysphoria, but because it doesn't address the underlying problem: anxiety. Sure, it keeps staff safe, but all kinds of drugs can do that...while inducing drowsiness and offering the minimized awareness we associate with comfortable sedation in ourselves. Ace, by contrast, doesn't necessarily achieve this.
Again, if animals are like humans, the tranquilization acepromazine offers allows for continued awareness (perhaps even heightened awareness). In fact, that's technically the difference between a tranquilizer and a sedative. Tranquilizers, by definition, allow you to retain some awareness.
Then there's the issue of its "overuse" as a sedative.
Acepromazine is tried and true. We're comfortable with it. And for some reason, switching from ace to something else––even while all the research tells us it's safer––is a stressful process for all practitioners. Knowing the ins and outs of how our favorite drug works means more safety in the short run...even though we know better choices are available when it comes to achieving a quiet animal.
That's why, I believe, acepromazine continues to hold sway in small animal veterinary medicine for sedation. That, its low abuse potential, its relative safety, its effectiveness...and the price factor, of course. Because it's way cheaper than alternatives like dexmedetomidine and way less "abuse-prone" than hydromorphone (a morphine-like opiate), we tend to stick to it.
But that's not acceptable as a matter of course say some anesthesiologists and behaviorists. They point out that the very issues that make acepromazine so popular are those that lead to its abuse: grooming and boarding facilities that "ace" everything when things get noisy, veterinary hospitals that hand out ace like pez for every kind of restless pet scenario, veterinarians who ace all aggressive dogs first and ask questions later, etc.
It's not appropriate to reach for acepromazine in these cases...perhaps not for any kind of scenario in which sedation is the goal, it's increasingly argued. Not as long as better options are out there that can achieve the same effects more safely and with greater attention to the animal welfare issues involved.
After all, offering ace as a sedative isn't helpful to your pet if her brain doesn't quiet down along with her body. And it's primarily on this basis that I object to ace: Sedating pets without regard for what they may experience is the height of human hubris. Especially when there's a better way.


Expand the description and view the text of the steps for this how-to video. Check out Howcast for other do-it-yourself videos from thefactory and more videos in the Laptop Computers category. You can contribute too! Create your own DIY guide at _URL_ or produce your own Howcast spots with the Howcast Filmmakers Program at _URL_ Tired of squinting over your laptop? There are several ways to turn a big-screen TV into your new computer monitor and enjoy video games, web content, and photos like never before. To complete this How-To you will need: A laptop A digital television A male-to-male video cable of one of the following types: S-Video VGA 15-pin DVI DVI-to-HDMI A mini-to-RCA audio cable A PC-to-TV converter box A mini-DVI-to-VGA or mini-DVI-to-DVI adapter for Macs Step 1: Connect with S-Video First, connect a video cable — you've got several choices. For PC users, an easy option is an S-Video cable. Most PCs and digital televisions are equipped with an S-Video port. Tip: The ends of S-Video cables usually feature either four or seven pins and pinholes. Check your TV and laptop ports to make sure they match. Step 2: Connect with VGA If you have an older HDTV, try a VGA cable, which produces better picture quality and works with both Macs and PCs. To connect, turn off your laptop and your TV. Find the trapezoid-shaped VGA outlets on the TV and on your laptop. Once you're connected, power everything back on. Tip: Macs need a DVIor mini-DVI-to-VGA
Video Rating: 4 / 5
UNBEATABLE 50% OFF DISCOUNT! Buy Replacement Laptop Battery on _URL_


Monitoring and Evaluation
The Breakdown: How do we monitor and evaluate impact?
Performance management and the evaluation of our effectiveness are critical to AALEAD's success and sustainability. Our programs focus on three outcome areas: Educational Empowerment, Identity, and Leadership. We set goals for each outcome area and track specific activities (outputs) for every youth enrolled in programs to make sure all youth are provided the opportunities and activities that we believe will impact outcomes.
Ways we gather data:
 - Conducting frequent reflection activities with youth to collect youth feedback and learn what worked and what needs improvement
 - Recording program attendance to monitor the number of youth participating in each program activity, workshop, or event and accessing the opportunities we provide to track our progress in reaching AALEAD program goals
 - Collecting youth report cards to monitor academic progress and identify any youth who may be facing academic challenges to provide individualized support
 - Reviewing monthly mentor logs completed by mentors to monitor mentoring pairs' progress toward reaching AALEAD program goals
 - Administering preand post-program surveys for school year programs, as well as administering satisfaction surveys to youth and guardians to measure the outcomes of our programming. Our preand postsurveys use measures from PerformWell, a database of survey tools, that we chose in consultation with staff from Child Trends, a research organization.
The process of collecting and reviewing data is ongoing throughout the year, with staff inputting data into our data management software, Apricot. Data entered into Apricot is reviewed at supervisory 1-on-1 meetings and monthly programs meetings to assess staff progress toward reaching goals, identify any weaknesses in program implementation, and flag any individual youth who may need additional support.
The Build Up: Why do we monitor and evaluate impact?
With the data AALEAD collects each year, we are able to evaluate our process, determine how faithfully we follow our program model and how many youth completed all of the activities that we provided. We are able to examine if there are patterns in activity gaps or in youth who did not participate in specific activities. We also examine youth and parent satisfaction, self-reported outcomes, and with the preand post-program surveys and comparisons to previous years, we look for hints at how our programs may be impacting youth outcomes. Of course, many other factors influence youth outcomes and we are trying to determine AALEAD's specific impact. Currently, data specific to low-income and underserved Asian Pacific American youth is sparse. AALEAD is in a unique position to meet the specific needs of our target youth, including needs bound by cultural differences and language barriers that are going unmet and under the radar. We collect this data now to build a database for future research. In the near future, we hope to have a professional evaluator examine cohorts of our youth, triangulate, and help us to determine what specific activities have the greatest impact on our youth. AALEAD uses performance management results to continuously improve our programs and ensure we are reaching all youth who are in need.
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17 Reasons Why Crabs Are Cooler Than You Thought
1. Everybody knows that crabs are BFFs with mermaids and have Jamaican accents, but there might be even MORE to them than that.
2. Despite their exposure through animation, little is actually known about these mysterious crustaceans.
3. But we do know a few things, like how crabs learn from their mistakes.
4. And they're notorious neat freaks.
5. Crabs can be all different colors―from bright red to bright blue.
6. They can also be all different sizes―from 1 centimeter to 13 feet.
7. Bromeliad crab mothers are some of the most caring around―even placing old snail shells in the water around their babies to boost calcium intake.
8. Crabs can be right-handed, left-handed, or ambidextrous.
Hint: He's a righty.
9. If a male Australian fiddler crab's burrow is being invaded by an intruder looking to take over the burrow, his male neighbor will leave his own burrow to help fight off the intruder.
10. Two neighboring crabs will never fight each other.
11. Sadly, every year fishers in the United States kill hundreds of millions of crabs.
12. Fishers use several methods to catch crabs, including setting traps in shallow water and dragging huge nets along the ocean floor.
13. These methods also capture birds, fish, and other marine animals who are thrown back into the water often after they are already dead or dying.
14. Crabs, who are naturally territorial, are crowded together in holding containers while they await their fate.
15. Those crabs unlucky enough to reach the slaughterhouse alive are sometimes dismembered while completely conscious, like at Linda Bean's Maine Lobster.
16. There, crabs' exposed internal organs are scrubbed off by spinning brushes.
17. Then they are lowered into boiling water. When they hit the water, they are still alive.
Don't let slaughterhouses like Linda Bean's keep dismembering these intelligent animals alive. Take action now:


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A spring tension rod is a certain type of rod that is used to create tension between a rod and the wall to which it is installed. It is comprised of two pieces that can be placed inside of one another and a coil spring which is placed inside the rod. When the two pieces get pressed against each other, tension is created and maintained by installing a screw.Continue Reading
Spring tension rods are used for certain types of fixtures that need to be placed in tight spots. Spring tension rods are commonly found as parts of a shower curtain, or in the installation of certain types of window curtains. Generally, they are used when the material they need to support is light. Heavier objects, when draped over a spring tension rod, can overpower the tension and cause the rod to fall.
Often spring tension rods are used to hold up a curtain without doing damage to the walls. Since a curtain is lightweight, the simple tension provided by the coil inside of the rod is enough to keep it up. Sometimes spring tension coils are used inside of other types of rods, such as those found within closets. Because they are adjustable, these rods can fit in different types of rooms or areas.Learn more about Decor


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Are your cookies raw in the middle, or have they become hard? How to tell when cookies are done is partly a matter of taste because what's crispy to some bakers is overdone to others. Just a minute or two in the oven separates gooey cookies from cookies that are still raw in the middle or crispy cookies from those that are too far gone. Fortunately, there are several ways to check if cookies are done to avoid these cookie catastrophes.
Set the Timer for the Minimum Time
First, before baking cookies, use an oven thermometer to make sure your oven is actually the temperature that is given on the oven dial.
Always check on cookies at the minimum time given in your recipe. You can easily cook them longer if necessary, but you can't "uncook" cookies that have baked too long and are now too hard or too brown. If they need a minute or two longer, be sure to reset the timer for those extra minutes. Thinking you'll just give them a bit longer without setting a precise time is a recipe for getting distracted and letting the cookies burn.
Lift to See the Bottom
Nearly all cookies will brown at least a little on the bottom while they cook, and some recipes even give you a color for which to look, such as slightly brown or light brown. For example, cookies like snowballs – also known as butterballs or Mexican wedding cookies – should not brown on top. The only way to know for sure that they're done is to roll one over and see that it's just slightly brown on the bottom.
Check the Edges
Many times, the recipe will tell you that the edges should be slightly brown or "just beginning to brown." Edges brown before the middle, so the edges can burn while the middle is still cooking. Some cookies – sugar cookies, for example – are best when the edges are set but not brown. You can check the edges visually without lifting the cookie, and with practice, you'll be able to see that the edges look more set than the center of the cookie, even when the edges are not yet brown.
If the recipe tells you to let the cookies cool on the cookie sheet for two minutes as chocolate chip cookie recipes do, that means the cookies will continue to cook while cooling because the sheet is still very hot. In these cases, you can experiment with the timing of removing the cookies from the oven.
The centers might look like they still need more cooking, and they will do that while they're resting on the cookie sheet. If you wait until the middle is totally cooked, you may find that your cookies are overdone after they cool on the cookie sheet.
Use the Toothpick Test to Know if Cookies Are Done
When cookies are thicker – like when baking brownies, which are essentially bar cookies – you can sometimes use a simple wooden toothpick to test and see if they're done. Insert the toothpick into the middle of the brownies or other bar cookie, and if the toothpick is free of cookie particles when you pull it out, they're done. In fact, they're probably done even if a few particles stick to the toothpick.
If it looks like batter is sticking to the toothpick, though, they're not done unless you're going for gooey brownies. If that's the case, only you can truly know when the brownies are done because cooking time depends on how gooey you like them. Just know that a minute is a long time to a cookie, and going from raw batter to gooey center can be the difference of only a minute or two.


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Snapshot: NASA Fires Twin Lasers at the Moon
Hundreds of moon lovers flocked to skywatching weekend skywatching events to gaze at Earth's nearest neighbor, but only at one gathering did visitors get a chance to see NASA fire lasers at the moon.
NASA's Goddard Space Flight Center in Greenbelt, Md., opened the doors of its Laser Ranging Facility to the public Saturday (Sept. 18) in a rare night of tours to show visitors how it tracks the Lunar Reconnaissance Orbiter around the moon. The event was one of nearly 400 gatherings around the world making up International Observe the Moon Night aimed at spurring public interest in the moon.
This photo was taken by photographer Wade Sisler at the Goddard Space Flight Center.
At the Laser Ranging Facility, engineers fire a laser 28 times per second across nearly 250,000 miles at the minivan-sized Lunar Reconnaissance Orbiter, a spacecraft moving at nearly 3,600 miles per hour as it orbits the moon.
By knowing the precise location of the Lunar Reconnaissance Orbiter, scientists are able to ensure the accuracy of the moon maps the probe generates. The spacecraft recently completed its first year at the moon and, last week, finished its initial exploration mission to support future NASA flights to the moon. The probe is now switching to a pure science mission to help researchers to better understand the moon and its history.
- 10 Coolest New Moon Discoveries
- A Night With the Moon: Skywatchers Savor Lunar Views In Global Event
- NASA's Lunar Reconnaissance Orbiter Gets New Moon Mission
- Telescopes For Beginners
- Poll: Where Should Humans Land on the Moon Next?
This story was updated to reflect that photographer Wade Sisler took this photo.
MORE FROM SPACE.com

source: HuggingFaceFW/fineweb-edu


Other Guitar & Bass Effects Pedals
Other Guitar Effects Pedals
Guitar effects pedals are mostly compatible with numerous guitar types, including bass, acoustic and electric guitars. They alter the way the instrument sounds and create a variety of special effects as well, which adds texture and richness to the way music sounds and gives any guitar even more versatility to produce a wide array of tones and effects, as well as speed up and slow down notes.
What Are Some Guitar Effects Pedal Types?
When it comes to selecting guitar pedals, there are a few distinct types to consider. A distortion pedal adds an element of grit to your guitar and distorts the sound to boost it and produce a completely different dynamic than your instruments usual sounds. Reverb pedals give off an echo sound, and a delay pedal records a specific sound, then plays it whenever you desire. It can also repeat the sound over again and tweak the way it comes across, such as creating an echoing tone. To achieve multiple types of effects in one, consider a pedalboard, which is a unit (or panel) that keeps all your multiple pedals together and organised, making them easy to see so you can use the pedal you want at the right time.
What Are Some Features of Guitar Pedals?
Not only do guitar pedals twist and distort sounds to create new and different ones, but they have other features as well. Pedals amplify and boost sound as well as control the volume of your guitars sounds. You can use pedals to modify the essential elements of your sound, including customising equalisation and other adjustments that contribute to your overall sound as you play. Multiple pedals together can create a sound thats all your own, giving your guitar a signature style.
What Are Some Guitar Pedal Brands to Consider?
As with any type of musical accessory, there are a few brands to keep in mind as you shop for guitar pedals. These brands may vary by price as well as by which perks each pedal has to offer, so consider the type of effects youre looking for as you shop for effects pedals for your bass or acoustic instrument. Some brands to look for include Behringer, Boss, Electro-Harmonix and TC Electronic. Make sure to select the pedal that corresponds to your guitar type, and pick up any extras you may need, such as cords and cables or a pedal board.


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NCI Drug Dictionary
The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.
- FAK inhibitor VS-4718
An orally bioavailable focal adhesion kinase (FAK) inhibitor with potential antineoplastic activity. Upon administration, VS-4718 inhibits FAK, blocks fibronectin-stimulated FAK autophosphorylation of Tyr397, and may prevent the integrin-mediated activation of several downstream signal transduction pathways, including ERK, JNK/MAPK and PI3K/Akt. This results in the reduction of the number of cancer stem cells (CSCs) and inhibits tumor cell migration, proliferation and survival. The cytoplasmic tyrosine kinase FAK is a signal transducer for integrins and is constitutively activated in various tumor cell types; it is involved in tumor cell invasion, migration and proliferation and plays a key role in the development, function and survival of CSCs.
Check for active clinical trials using this agent. (NCI Thesaurus)
Code name: VS-4718


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Language Hungry! teaches you how to learn in an effective way while exploiting your brain's potential. You will learn not to waste time and resources, have more control over your thoughts and increase your fun and success within the classroom.Language Hungry! stimulates passion for learning and so makes the reader 'hungry for language!'Language Hungry! is appropriate for students and teachers of all levels.
It contains a large variety of ideas and stories which invite the reader to experiment with new skills, new ideas and positive ways which favour success in language acquisition.Language Hungry! combines complex and fascinating theories with simple, practical suggestions as to how to apply them to your teaching or learning.


exposure.
Uncured resin with 0% degree of cure has a log(IV) = 6.9 and fully cured resin, presumed to be 100% degree of cure, has a log(IV) ~10.8. For many thermosets and polymers, the change in log(IV) is proportional to the change in degree of cure, therefore by interpolation it is possible to correlate cumulative relative exposure with both an ion viscosity and a degree of cure.
Figure 5. Maximum ion viscosity and degree of cure for U3345 vs. cumulative relative exposure
Figure 5 shows log(IV) and degree of cure increase in proportion to the cumulative exposure, until reaching a maximum value that corresponds to complete cure. This result is expected because the total amount of activated photoinitiator is proportional to the total irradiation, and the amount of activated photoinitiator, in turn, determines the extent of polymerization. If absolute irradiance could be measured at the sample, then it would be possible to relate cumulative exposure with the resulting degree of cure.
Cure inhibition from long exposures
Figure 6. Ion viscosity of U3345, showing cure inhibition
Curing behavior with long exposures may have significantly different dynamics compared to brief exposures. Figure 6 plots ion viscosity for four tests with increasing exposure times.
1) Relative irradiance = 9.3, exposure time = 1 s. Ion viscosity increases normally and monotonically through UV and dark cure to the plateau of log(IV) ~10.8, indicating a typical approach to 100% degree of cure.
2) Relative irradiance = 15.3, exposure time = 5 s. Ion viscosity shows a very slight knee at about 9 s (4 s after start of exposure) then a typical approach to 100% degree of cure.
3) and 4) Relative irradiance = 15.3, exposure time = 10 s and 20 s. Ion viscosity shows a pronounced knee at about 9 s (4 s after start of exposure) while temperature continues to increase significantly due to the intense light. Log(IV) decreases until the end of exposure at 10 s for curve 3, and 20 s for curve 4. Subsequently, dark cure proceeds to the ion viscosity plateau and 100% degree of cure.
This "knee" in ion viscosity has been observed in thermally cured resins (thermosets) if cure stops during an increasing temperature ramp.8 Ion viscosity is determined by both degree of cure and temperature, and has two basic behaviors:
 - At constant temperature, ion viscosity increases as degree of cure increases.
 - At constant degree of cure, ion viscosity decreases (increases) as temperature increases (decreases).
Normally, log(IV) increases as cure advances, and in most cases this response dominates even as temperature increases. However, if cure stops while the temperature continues to increase, then the degree of cure is constant, and ion viscosity decreases, resulting in the "knee."
Similarly, for U3345, the knee in log(IV) – slightly visible for curve 2, prominent in curve 3 and even more prominent in curve 4 – indicates polymerization has stopped. In fact, cure has been temporarily inhibited, because ion viscosity increases again after exposure ends and the U3345 undergoes dark cure.
Since ion viscosity in Figure 6 reaches the maximum value of ~10.8 (100% degree of cure) for each of the four curves, the U3345 has experienced only a delayed time to end of cure for the 5-, 10- and 20-second exposures. This cure inhibition may be a general phenomenon because it has been observed in all of four UVcured resins examined to date.
Figure 7. Determination of cure inhibition time
It is difficult to determine a precise time for the start of cure inhibition, but it can be estimated by the intersection of asymptotes on either side of the knee, as shown in Figure 7. Cure inhibition time is defined as the difference between the start of exposure and the start of cure inhibition. Figure 8 plots the cure inhibition times for several tests across a range of irradiance. The quantity of activated photoinhibitor increases with irradiance, and the trend line of Figure 8 shows increasing irradiation corresponds with shorter inhibition times. This relationship suggests a connection between the level of activated photoinitiator (or, conversely, photoinitiator depletion) and the onset of cure inhibition.
Figure 8. Cure inhibition time as a function of relative irradiance
Cure inhibition cannot be due to the depletion of activated photoinitiators because dark cure indicates the continued presence of initiating radicals. It is possible cure inhibition results from high exposures that generate too many initiating radicals, which encounter and cancel one another. High exposures also may create excessive amounts of short polymer chains and no long ones. Perhaps bleaching of all photoinitiators eliminates screening of UV radiation from the monomers, causing them to absorb UV photons and become too energetic to bond. Although the cause of cure inhibition is not yet known, further study may yield interesting information about photoinitiator chemistry.
Cure degradation from long exposures
Figure 9. Ion viscosity of U3345, exposure time = 30 s
Long exposures with high irradiances risk over-cure and degradation of a UV-cured adhesive. Figure 9 shows the progression over three tests of increasing irradiance with an exposure time of 30 seconds.
1) Relative irradiance = 2.1, exposure time = 30 s. Normal cure but total energy is only sufficient to achieve final log(IV) = 10.2 and degree of cure = 85%.
2) Relative irradiance = 2.9, exposure time = 30 s. Normal cure and total energy sufficient to achieve final log(IV) = 10.7 and degree of cure ~100%.
3) Relative irradiance = 3.4, exposure time = 30 s. Cure shows cure inhibition and over-cure from excessive total energy, resulting in reduced final log(IV) = 10.1 and degradation.
Figure 10. UV damage with increasing exposure
Compared to the value at 100% degree of cure, a reduction in final ion viscosity, despite greater irradiance, indicates the presence of damage. Lower ion viscosity is the result of greater conductivity (lower resistivity) due to degradation byproducts and broken bonds. Figure 10 shows four tests with varying irradiances and exposure times. Lack of absolute UV power measurements necessitates use of relative exposure, given by Equation 2, to allow comparison among tests:
Equation 2. Relative exposure = Relative irradiance • time (s)
Test 1, with a relative exposure = 87, shows normal cure that achieves log(IV) ~10.7 and ~100% degree of cure. Tests 2, 3 and 4 have higher relative exposures but lower final ion viscosities, with log(IV) ~10 – a clear sign of degradation. Additional evidence of degradation are irregular features such as the dip starting at 30 s in Test 2.
Figure 11. Correctly exposed (a), slightly (b) and significantly overexposed (c) samples
Figure 11 shows the effect on UV-cured resin with different degrees of exposure. Extreme deterioration (Figure 11 b and c) is apparent as voids from overheating. More subtle degradation is visible as yellowing or discoloration, which may be faint or subjective. Dielectric measurements, however, can provide a supplemental, objective measure of damage caused by overexposure.
Real-time dielectric cure monitoring (DEA) of UV-cured resins can complement traditional laboratory tests to relate degree of cure and exposure energy, measure the effect of formulation on cure and identify degradation from overexposure. The ability of dielectric cure monitoring to capture events in real time allows observation of transient phenomena such as cure inhibition, which appears to be a response of UV-cured resins in general to very long exposures.
The authors would like to thank Uvitron International for the SunSpot 2 UV Spot System and H.B. Fuller for the UV-curable materials used in this study. In addition, we would like to thank Martin Thompson of Domino Printing for comment and discussion.
 1. U3345™ UV-curable adhesive, manufactured by Cyberbond Europe GmbH, Wunstorf, Germany
 2. Application Note 3.22, "Cure Index and Degree of Cure," Lambient Technologies, Cambridge, Massachusetts, US.
 3. J.H. Chen, M.A. Octeau, M. Hojjati and A. Yousefpour, "Cure Cycle Optimization for Composite Panels Fabricated by RTM Using Dielectric Sensors," National Research Council Canada, Institute for Aerospace Research, ICCM International Conferences on Composite Materials (2009).
 4. Day, D.R., "Dielectric Determination of Cure State During Non-Isothermal Cure," Polymer Engineering and Science; 29(5):334-338, (August 2004).
 5. Quarto-Varicon™ sensor, manufactured by Lambient Technologies, Cambridge, Massachusetts, US.
 6. SunSpot 2™, manufactured by Uvitron International, Inc., West Springfield, Massachusetts, US.
 7. LT-631™ High Speed Dielectric Cure Monitor, manufactured by Lambient Technologies, Cambridge, Massachusetts, US.
 8. Application Note 3.21, "Measuring Degree of Cure with Dielectric Cure Monitoring," Lambient Technologies, Cambridge, Massachusetts, US.


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Of course..!!This is something not everyone will find themselves acquainted with. But if you make a wild guess for G yielding a geo or gravity, you land safe geek. The g-force associated with an object is its acceleration relative to free-fall. The force measured due to any acceleration other than the acceleration due to gravity is termed as g-force.
G-Force Monitor is a device that measures G-Forces in a moving car. This is a very interesting project. Although such devices are also available commercially, though I say this time and again; but making one on your own saves a lot on the pocket and adds tons on the brains.
It uses PIC 16F877 microcontroller, PIC firmware written in MikroC and software written in Delphi 7. The G-Force is measured using an accelerometer sensor. After much research, the designer had struck to a Three-Axis accelerometer board with ADXL330 sensor produced by Analog Devices. The 3-axis accelerometer board features a small, thin, low power, monolithic IC which measures acceleration with a minimum full-scale range of ±3 g and has 5V voltage level. The microcontroller is connected to IC MAX232 to enjoy a serial connection between the computer and itself. A 9V battery is used for power supply.
In electronics, a firmware is the most basic level software without which a device would be rendered useless. Another crucial thing about this device here is also its firmware. The firmware had been designed in Delphi 7. The user interface of the firmware here is very convenient. It has two graphics; a bigger one for time recording and a smaller one to show last 100 samples. You also have a calculator to make calculations and three real time displays. Besides, there are some conventional functions like New file, Save file, Open file, etc. Some specific buttons include Show Log, Auto Zoom, Swap Charts, Move Zero point and many more. Visit the designer's blog for acute details.


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Essential information during timeline analysis
During a forensic analysis, especially during timeline analysis, you deal with MAC timestamps, so it's important to know and understand the concept of time resolution.
The MAC(b) times are derived from file system metadata and they stand for:
- Changed ($MFT Modified)
- Birth (file creation time)
The (b) is in parentheses because not all file systems record a birth time.
Where are they stored?
Into two attributes, $STANDARD_INFO and $FILE_NAME:
$STANDARD_INFO ($SI) stores file metadata such as flags, the file SID, the file owner and a set of MAC(b) timestamps.
$STANDARD_INFO is the timestamp collected by Windows explorer, fls, mactime, timestomp, find and the other utilities related to the display of timestamps.
The $File_Name attribute contains forensically interesting bits, such as MACB times, file name, file length and more.
Timestamps are only updated with the attribute is changed.
Files can have either one or two $File_Name attributes depending on how long the file name is:
- Short file names ("file.txt") has only one $File_Name attribute.
- Long file names ("extremelylongfilename.txt") will have two $File_Name attributes.
- One for the long file name, and one for the DOS-compatible short name (EXTRE~1.TXT).
What are the differences?
- $STANDARD_INFO can be modified by user level processes like timestomp.
- $FILE_NAME can only be modified by the system kernel. (There are no known anti-forensics utilities that can accomplish this.)
There are general rules when it comes to files being moved, copied, accessed or created.
Each operation alters different metadata, here a table of time rules related to $STANDARD_INFORMATION:
While examining the $FILE_NAME timestamps the rules are pretty different:
How to detect Anti-Forensics Timestamp Anomalies?
Tool such as timestomp allow attackers to backdate a file to an arbitrary time in order to trying to hide it in system32 or other similar directories.
So, during analysis you can use analyzeMFT.py in order to check if the $FILE_NAME time occurs after the $STANDARD_INFORMATION Creation Time.
If this anomaly occurs, it is likely that an attacker has been alterated timestamps in $STANDARD_INFO using timestomp.
MAC times are pieces of file system metadata which record when certain events pertaining to a computer file occurred…en.wikipedia.org
Timestomp cannot be used directly to modify all (on average) 8 timestamp values in the MFT entry; 4 in…_URL_
The term MAC times refers to the timestamps of the latest modification (mtime) or last written time, access (atime) or…_URL_


text:
An Elegant Way to Measure Temperature
This Galileo thermometer comes encased in a classic black triangular wood frame. An ideal piece for any home or office, this desktop thermometer measures 11" high and features stylish black colored glass 'bubbles'.
The Galilean thermometer works due to the principle of buoyancy, a force exerted by a fluid that opposes an object's weight. As the temperature of the air outside the thermometer changes, the temperature of the water surrounding the bubbles also changes. When the temperature of the water changes, it either expands or contracts, changing its density.
Each bubble also differs slightly in density from the other bubbles. The bubble that sinks the most indicates the approximate current temperature. Named for "The father of modern observational astronomy," Galileo Galilei, an Italian physicist and astronomer responsible for many astronomical advancements. The liquid inside the thermometer is actually a mixture of water and parafin oil.


General Question
longgone's avatar
Will you help me with this (easy) maths question?
Asked by longgone (8274 points ) December 11th, 2013
I am tutoring my sister. Both of us understand the question, we've solved it, and now we're stuck.
Here it is:
Lanor and Matt are having a race on a 400m track. Lanor runs 220m/minute, Matt 180m. How long until Lanor laps Matt?
Now, obviously, the answer is 10 minutes. Lanor needs to run 400m more than Matt to lap him, and she covers forty extra metres per minute. So, 400/40, which is ten. What I can't do is express this in an equation, explaining how I got there. Can anyone help?
Observing members: 0 Composing members: 0
4 Answers
ragingloli's avatar
180X+400=220X |-180X
400=40X |:40
longgone's avatar
Yes. Of course. I, uh…I knew that all along.
Can't believe it's that easy. Many thanks!!
LostInParadise's avatar
You can also go with your original idea using relative velocity. Relative velocity is not usually taught in school, but it is completely legitimate and simplifies a lot of problems. Relative to Matt, Lanor runs 220 m/min – 180 m/min =40m/min. You want to know when the relative distance is 400 m. 400m / 40 m/min = 10 minutes.
longgone's avatar
Thanks, _USER_, that could be useful for further explaining.
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text:
Prototype silicon nitride vanes for industrial and aircraft engines were constructed and tested. Relevant material properties were determined for hot pressed silicon nitride and silicon carbide. The capability of these ceramics was compared to vane superalloys in tests relating to high pressure and temperature gas turbine environments.
Ceramics in current favor are superior to those which failed in decades past. However, they probably need further improvement if they are to replace cooled superalloys in long life cyclic applications. In more advanced engines, cooling may be required to keep ceramic vanes within their useful temperature range.
The primary limitations revealed were a propensity for sudden thermal fatigue crack propagation and low impact damage resistance. Nonetheless, ceramics still offer great potential benefit in improving performance and efficiency. To achieve success in the use of ceramics it will be necessary to attack their limitations directly. Required work will include establishing specialized performance criteria, careful design analysis, and goal-oriented material development.


text:
The Quebec government introduced An Act to Protect the Province Against Communist Propaganda (Padlock Act) in 1937. The
Padlock Act was inspired by an amendment to the Criminal Code that was introduced following the Winnipeg General Strike of 1919. Section 98 of the Criminal Code had empowered the federal government to deport non-citizens and charge individuals with criminal conspiracy for threatening social order or promoting revolution. Maurice Duplessis, the Premier of Quebec, introduced the Padlock Act after the federal government revoked Section 97 in 1936. The Padlock Act empowered local sheriffs (under the authority of the provincial Attorney-General) to close down meeting places suspected of promoting communism or Bolshevism (the terms were not defined in the statute). The "Padlock Act" is a reference to the practice of placing a padlock on a door to prevent use a building. Although it was possible to challenge an order in court, it was extremely difficult and, in practice, the courts were not an effective check on the powers of the Attorney General under the Padlock Act. The legislation gave the Attorney General such widespread powers that it was used to persecute Jehovah's Witnesses, Jews, communists, trade unionists and other suspected 'subversives.' The law became a rallying point for civil libertarians who considered the legislation one of the most repressive laws in Canadian history.
As Ross Lambertson notes, the Padlock Act contained numerous opportunities for abuse:
"Should the attorney general (who was also the premier) be satisfied that a house had been used illegally in this fashion, the legislation gave him the power to 'order the closing of the house for any purpose whatsoever for a period of not more than one year.' In other words, the police could padlock the house, apartment, or place of business without the necessity of formally laying charges or bringing anyone to trial. The legislation did permit the owner of a padlocked property to petition the courts for a cancellation or suspension of the order, but the burden of proof was upon the owner to demonstrate that the property had not been used, or was used without the owner's knowledge, as a place from which Communist propaganda was being spread. (As Eugene Forsey wrote at the time, this was 'contrary to every principle of British justice,' because the property owner was 'assumed to be guilty until he can prove himself innocent!') The law also made it unlawful, with a punishment of imprisonment lasting from three to twelve months, 'to print, to publish... or to distribute in the province any newspaper, periodical, pamphlet, circular, document or writing whatsoever propagating or tending to propagate Communism or Bolshevism.' Moreover, Duplessis could also empower the police to seize, confiscate, and destroy any such materials. In later years Eugene Forsey, who became one of the most outspoken opponents of the Padlock Law, recalled that from the beginning it had been popular with Quebec's political establishment, and not just those in the Union Nationale.... it imposed censorship on a political party which, however controversial, was perfectly legal in Canada now that section 98 of the Criminal Code had been repealed. Second, this censorship could be executed at the whim of the premier, thereby raising the spectre of 'executive despotism.' And third, it attacked the property rights not only of Communists but also of non-Communists who had (perhaps even inadvertently) rented or leased their property to a person distributing propaganda or even holding a radical meeting. One of the forgotten victims of the Padlock Law was an instalment furniture company which was able to repossess its furniture from a padlocked home only two years after the police had applied their padlock. Yet there was more. The statute contained no definition of the term 'communism.' As R.L. Calder put it, 'the definition of Communism reposed in the cranium of the Attorney-General,' and Duplessis was capable of considering almost any critic a Communist. Indeed, one of his cabinet ministers argued that the law was explicitly 'aimed at the many people who are Communists without knowing it.' This gave the authorities carte blanche to decide what forms of unpopular political dissent could be suppressed, and in practice it meant the seizure of any writings that the police suspected might be left wing. In addition, it was almost impossible to launch a court challenge to the padlocking of a property or the seizure of materials." [Lambertson, Repression and Resistance; this source provides an excellent analysis of the use of the Padlock Act, and organized opposition to the law in Canada, including the court challenge]
The legislation was challenged in the Supreme Court of Canada in 1957. The only issue for the court was whether or not the legislation fell within the proper jurisdiction of the provinces. The majority found that the Padlock Act to be criminal law and, thus, ultra vires [beyond the jurisdiction] the legislature of Quebec. Ivan Rand and several other justices followed the same path previously trod by Cannon and Duff in 1937 by choosing to comment on the validity of the provincial claim to powers under 'Property and Civil Rights' for limiting a fundamental freedom. According to Rand, for "the past century and a half in both the United Kingdom and Canada, there has been a steady removal of restraints on this freedom [expression] stopping only at perimeters where the foundation of the freedom itself is threatened," and freedom of expression had "a unity of interest and significance extending equally to every part of the Dominion." Justices Fauteux and Abbot insisted on constraining the provinces' ability to legislate against freedom of expression. Abbot claimed that no province could violate a freedom necessary for the continued viability of Canadian democracy. The decision may not have established a precedent for protecting freedom of speech, but it was successful in eliminating one of the most draconian laws ever introduced in Canada.
Berger, Thomas. Fragile Freedoms: Human Rights and Dissent in Canada. Toronto: Clarke-Irwin, 1981.
Ross Lambertson, Repression and Resistance: Canadian Human Rights Activists, _PHONE_ (Toronto: University of Toronto Press, 2004).
Scott, Frank R. Civil Liberties and Canadian Federalism. Toronto: University of Toronto Press, 1959.
Tarnopolsky, Walter. The Canadian Bill of Rights. Toronto: The Carswell Company Ltd., 1966.


text:
Black holes drive powerful plasma jets to relativistic velocities. This plasma should be collisionless, and self-consistently supplied by pair creation near the horizon. We present general-relativistic collisionless plasma simulations of Kerr-black-hole magnetospheres which begin from vacuum, inject e± pairs based on local unscreened electric fields, and reach steady states with electromagnetically powered Blandford-Znajek jets and persistent current sheets. Particles with negative energy at infinity are a general feature, and can contribute significantly to black-hole rotational-energy extraction in a variant of the Penrose process. The generated plasma distribution depends on the pair-creation environment, and we describe two distinct realizations of the force-free electrodynamic solution. This sensitivity suggests that plasma kinetics will be useful in interpreting future horizon-resolving submillimeter and infrared observations.
Physical Review Letters
- Pub Date:
- January 2019
- Astrophysics - High Energy Astrophysical Phenomena;
- General Relativity and Quantum Cosmology;
- Physics - Plasma Physics
- 6 pages, 4 figures. Submitted to PRL


text:
Adverb(1) in distinction from others
(1) more specifically :: আরো নির্দিষ্টভাবে
English to Bengali Dictionary: specifically
Meaning and definitions of specifically, translation in Bengali language for specifically with similar and opposite words. Also find spoken pronunciation of specifically in Bengali and in English language.
Tags for the entry "specifically"
What specifically means in Bengali, specifically meaning in Bengali, specifically definition, examples and pronunciation of specifically in Bengali language.


Gregory Crewdson
Gregory Crewdson
"I really like that moment where the ambient light comes together and works together with the artificial light and creates this very powerful and evocative palette."
—Gregory Crewdson
About the artist
Suburbia always seemed a distant and exotic place for Gregory Crewdson, who grew up in Brooklyn. As the setting for his staged photographs, the suburbs have provided the perfect milieu for his uncanny narratives. To create his first mature body of work in the early 1990s, Crewdson constructed elaborate, small-scale dioramas of generic neighborhood backyards in which the flora and fauna enacted strange rituals: birds built a circle out of eggs, butterflies congregated to form a pyramid, vines turned into braids. Each of these miniature yet menacing worlds would be captured in a single photograph before being dismantled. Pregnant Woman in Pool belongs to his Twilight series (1998–2002), in which Crewdson expanded his subject matter to include images of individuals lost in the reverie of their own bizarre behavior, such as digging up a lawn within the confines of one's own living room or wading, fully-dressed, in a kiddy pool at night. Shot in and around the town of Lee, Massachusetts, these surreal images were carefully constructed, much like sets for a film. In fact, Crewdson worked with a 35-person crew to achieve the cinematic feel of each image. He will often completely refabricate settings such as room interiors in order to create an atmosphere that seems entirely familiar, yet strange, to set the stage for how a work's unfolding drama might best be imagined.
View + Discuss
Gregory Crewdson (b. 1962)
Untitled (pregnant woman/pool), 1999
Laser direct C-print, Edition 4/10, 50 x 60 inches (127.0 x 152.4 cm)
Solomon R. Guggenheim Museum, New York
Purchased with funds contributed by the Photography Committee, 2000
1. Describe what you see happening in this photograph.
2. Imagine you could step into this scene. Where are you? How does it feel to be there? Why?
3. The artist, Gregory Crewdson, is interested in suggesting stories about his work. If this were a scene from a movie, what would the storyline be about? (What happened just before, during and after this scene?)
4. Crewdson carefully constructs these images, like sets for a film or play—in fact, he had a 35-person crew helping him create this scene. In what way does this remind you of a movie set or a scene from play? Why would an artist need the assistance of so many people to create this image?
Art Explorations
Create a diorama or actual stage set outside that depicts a strange or fantasy scene inspired by a setting familiar to them—a park, a backyard, a room in the home, etc. When finished, take a close-up photo of the scene, cropping it so that all other surrounding extraneous information is deleted. Students can then write a story about their scene and/or someone else's and share their interpretations. If possible, consider using slide film or a digital camera to project their image on a larger scale for class discussion.
Working in small groups or pairs, have students stage a scene that depicts a mysterious or a dream-like event and then photograph their scene. They should consider setting, lighting and how they will frame their image.
Have students create a storyboard about Pregnant Woman in Pool that describes what happened just before, during, and after the scene depicted. Include sketches and text that illustrate the sequence of actions.
Select some intriguing images that depict multiple characters in particular settings. Working in groups, have students think of their assigned image as a scene from a play and select a character they would like to portray. Have them script a dialogue for their character and collectively decide on stage and lighting directions for the scene. Students then perform a reading for the class.
Additional Resources
Crewdson, Gregory, and Rick Moody. Twilight. Harry N. Abrams, 2002.
Crewdson, Gregory, et al. Hover. Artspace Books, 1998.
Zazanjian, Dodie. "Twilight Zone." Vogue, May 2002, pp. 268–73, 299–300.
Pollack, Barbara. "Lights, Action, Camera!" ARTNews, February 2000, pp. 126–31.
Hayt, Elizabeth. "Gregory Crewdson: Digging Up the Surreal Underside of Ordinary Life." The New York Times, February 20, 2000: Art and Leisure Section, pp. 42 and 44.
On View
Works & Process
Photo: Petrus Sjövik
Gerard & Kelly: Timelining
Gerard & Kelly: Timelining
Mondays through September 7, 5:45–10 pm
An after-hours performance of Timelining by Gerard & Kelly.
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Ghent University Academic Bibliography
Project: Managing rice disease through seed health and rice seed associated bacteria.
project duration
01-JUN-95 – 31-DEC-03
The objectives of the project are : 1. To assess crop losses due to pathogenic bacteria associated with rice seed. 2. To determine the bacterial populations on rice seed. 3. To determine their interactions and their impact on disease management. 4. Development of management techniques, as a component of IPM and rice germplasm movement and penetration. 5. To establish international collaboration.


text:
Translation of labor in Spanish:
- 1 uncountable 1.1 (productive work) the division of laborla división del trabajoto withdraw one's laborir a la huelgaDepartment of Labor (in US)Secretaría (feminine) de Trabajo (Mexico)(before noun) (dispute/laws)labor costs
laboralcosto (masculine) de la mano de obralabor leader (in US)
coste (masculine) de la mano de obra (Spain)líder (masculine or feminine) sindicalthe labor market
dirigente (masculine or feminine) sindicalel mercado de trabajothe labor movement labor relationsrelaciones (feminine plural) laboraleslabor supplyoferta (feminine) de mano de obraExample sentences
Example sentences1.2 (workers) cheap labor
- The majority of migrant workers earn their living in the city by doing manual labour.
- The men go off and look for casual labour during the day while women and children spend the day looking for shade.
- These subjects were agricultural workers with varying periods of manual labour in the field.
mano de obra barataorganized laborsindicación (feminine) (esp Spain)Example sentences
- Fourth, the working class and labour movement, repressed, shackled, lacking independence, was no alternative.
- Steelworkers Canadian director Ken Neumann said the merger creates a new force in the Canadian labour movement, as well as in federal and provincial politics.
- But turning labour into a political force to be reckoned with in Alberta is a tall order, which McGowan clearly outlined in his paper.
- Today there is a growing acceptance of illegal casual labour and a strong demand for it.
- In this society, his job was one of the few, in which people exactly performed manual labor.
- It also aims to replace a number of full-time workers with casual and part-time labour.
- 2also: Labour(British) (Politics) (no article) (+ singular or plural verb)los laboristasshe voted Labor
el Partido Laboristavotó a or por los laboristas(before noun) (candidate/policy)
- They seem to think that the way to beat Labour is to be more Leftist than Labour!
- South Swindon has a new Member of Parliament but the seat is still held by Labour.
- Teresa Page was a hard-working councillor and Labour will be sad to see her go.
- 3 3.1 uncountable and countable (effort)esfuerzos (masculine plural)the fruits of their labors
trabajo (masculine)los frutos de sus esfuerzos or de su trabajo3.2 countable (task) a labor of loveuna labor realizada con amorthe twelve labors of Hercules
- 4 uncountable (Medicine) a difficult laborun parto difícilto be in laborestar de parto or en trabajo de partoto go into laborentrar en trabajo de parto(before noun) labor painsdolores (masculine plural) del partolabor ward
contracciones (feminine plural) del partoExample sentences
- They also received 300 mg every three hours while in labor until delivery.
- Both Lamaze and Bradley encourage partner participation in labor and delivery.
- The drug prostaglandin is injected into the womb and this causes it to contract strongly as in labour.
- 1 1.1 (toil) to labor for a causeluchar or trabajar por una causato labor
atsomethingtrabajar incansablemente1.2 (work as laborer) (only in -ing form) he got a job laboring/a laboring job enalgoconsiguió un trabajo de peón
What do you find interesting about this word or phrase?
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Your skill will accomplish
what the force of many cannot
Comment on
In response to this SoPW node, I felt compelled to invent something simple and quick that would scan a perl script and report any cases where "my" was used to declare the same variable name more than once.
This approach is not subtle or discerning -- just check all easily-identifyable uses of "my" with variable names, and keep these (with line numbers) in a hash. When done scanning the script, report the cases with more than one line number. (There is also the "--listall" option, which does what you would expect...)
Caveats (at least, the ones I know of):
 - The line numbers being reported are based on the output of B::Deparse, where all commentary has been stripped, and spacing and punctuation have been normalized. This means you may need to work a little harder to relate this diagnosis to your original script, but doing it this way helps me make the search for "my" a lot less speculative (and I do save the Deparsed version of the script in a separate file, so you can actually use the line-number info that is being given).
 - There are bound to be other ways that "my" shows up in a "deparsed" script besides the ones being searched for in this version, so there may be some "misses".
 - Someone is bound to try this on a script containing a quoted literal string that looks like a "my" declaration, so there may be some false alarms as well.
 - This doesn't pay any attention to scope. If you use anything like foreach my $arg ( _USER_ ) in multiple places in your script, and these are all sensible and proper, this diagnosis will cite them all as "repeats" anyway -- better to be stupid and safe, I think.
That said, here's the code (tested on a few scripts):
#!/usr/bin/perl # Program: scan-perl-vars.perl # Written by: dave graff # Purpose: look for and summarize the declarations and calls # of lexically-scoped variables in a perl script use strict; my $Usage = "$0 [--listall] my_script.perl\n". " will list'my' vars that have been declared more than once in a +script\n". " (with --listall, will list all lexical variables, with line numb +ers)\n"; my $listyp ='more than once'; if ( _USER_ > 1 and $ARGV[0] eq '--listall' ) { $listyp = ''; shift; } die $Usage unless ( _USER_ == 1 && -r $ARGV[0] ); my $erlog = "/tmp/scn-src.$$.errlog"; my $file = shift; warn "Deparsing $file...\n"; my _USER_ = 'perl -MO=Deparse,-p $file 2> $erlog'; die "Nothing deparsed from $file -- sorry.\n" unless ( _USER_ ); my $log = 'cat $erlog'; die "Syntax errors in $file -- come back when you're ready.\n" unless ( $log =~ /^$file syntax OK/ ); # Store an array of subroutine defs in a hash element # keyed by file name: my %vardecs; # HoA keyed by var name, stores line #(s) of declaration +(s) my $lineno = 0; open( DP, ">$file.deparse" ) or warn "couldn't write deparsed code to +$file.deparse:$!\n"; foreach (_USER_) { $lineno++; print DP "$lineno\t$_"; while (( my $nxt = index( $_,'my' )) >= 0 ) { if ( /\bmy\(([^\)]+)/ ) { foreach my $name (split(/,/,$1)) { push @{$vardecs{$name}}, $lineno; } } elsif ( /\bmy\s+([\%\$\*\@]\S+)/ ) { push @{$vardecs{$1}}, $lineno; my $nxt = 0; } $_ = substr( $_, $nxt+3 ); } } close DP; # Now do some reporting die "No lexically-scoped variables in $file\n" unless ( keys %vardecs +); my $nlisted = 0; foreach (sort keys %vardecs) { next unless ( scalar @{$vardecs{$_}} > 1 or $listyp eq ''); print join('', $_, @{$vardecs{$_}}, "\n" ); $nlisted++; } print "\nTotal of $nlisted'my' variables declared$listyp in $file\n"; print "(see $file.deparse for correct line-number references)\n" if ( $nlisted );
In reply to Check a perl script for repeat "my" declarations by graff
and: code here
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text: Simple hands-on science activities to build children's confidence and encourage their natural curiosity to find out how everyday things work. This project supports transition from primary to secondary school with peer to peer learning across age groups. Secondary students learn how to deliver the range of Gopher Science Lab activities to primary pupils. During this process the secondary students develop their skills in communication, innovation and increase their self-confidence. Later the primary pupils who attended the Gopher Science Lab day are encouraged to deliver their own training to pupils in their class or from younger year groups, so they too can develop their understanding and communication skills, with supervision from their teacher. This gives all participating students ownership of their learning and helps them gain confidence.


text:
Why is water cold?
The temperature may be lower if supercooling occurs or if there are impurities present in the water which could cause freezing point depression to occur. Under certain conditions, water may remain a liquid as cold as -40 to -42°F!
What is the freezing point of water?
The freezing point or melting point of water is the temperature at which water changes phase from a liquid to a solid or vice versa. The freezing point describes the liquid to solid transition while the melting point is the temperature at which water goes from a solid (ice) to liquid water. …
Who is Dr. Helmenstine?
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. What is the freezing point of water or the melting point of water? Are the freezing point and melting point the same?
Does water have a nucleus?
The answer is that water needs a seed crystal or other small particle (nucleus) on which to form crystals. While dust or impurities normally offer a nucleus, very pure water won't crystallize until the structure of liquid water molecules approaches that of solid ice. Helmenstine, Anne Marie, Ph.D.
What is the difference between a freezing point and a melting point?
The freezing point describes the liquid to solid transition while the melting point is the temperature at which water goes from a solid (ice) to liquid water.
This is an article about how to freeze a row on excel. Let's watch it together. If you have any questions, please remember to reply.