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• How can I take a screenshot of website with Perl?

  - by Egor Makarov

  How can I take a screenshot from a site (in batch mode) using Perl? I.e. solution should produce image file (say .png) given an URL. It would be nice, if no X Window system will be required for solution to work.

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• Is SQL DATEDIFF(year, ..., ...) an Expensive Computation?

  - by rlb.usa

  I'm trying to optimize up some horrendously complicated SQL queries because it takes too long to finish. In my queries, I have dynamically created SQL statements with lots of the same functions, so I created a temporary table where each function is only called once instead of many, many times - this cut my execution time by 3/4. So my question is, can I expect to see much of a difference if say, 1,000 datediff computations are narrowed to 100?

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• Flex DataBinding Drilling Down Through Arrays

  - by Joshua

  The help page on the BindUtils.bindProperty function: http://livedocs.adobe.com/flex/3/langref/mx/binding/utils/BindingUtils.html Has this to say: "For example, to bind the property host.a.b.c, call the method as: bindProperty(host, ["a","b","c"], ...)." But what if I need to bind to host.a.b[2].c? How do I do that?

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• Preserving the dimensions of a slice from a Numpy 3d array

  - by Brendan

  I have a 3d array, a, of shape say a.shape = (10, 10, 10) When slicing, the dimensions are squeezed automatically i.e. a[:,:,5].shape = (10, 10) I'd like to preserve the number of dimensions but also ensure that the dimension that was squeezed is the one that shows 1 i.e. a[:,:,5].shape = (10, 10, 1) I have thought of re-casting the array and passing ndmin but that just adds the extra dimensions to the start of the shape tuple regardless of where the slice came from in the array a.

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• Lightweight CMS in PHP

  - by David

  Hi, I am building a site which will require some very limited content management for a client. There are only a few areas of the site which will require the client to be able to update the content themselves. Would it be better to create a very simple custom admin page for the client to log in and say add a news story etc or would it be best using a fully fledged CMS like Drupal etc which seems overkill to me.

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• C++ MPL or_, and_ implementations

  - by KRao

  Hi, I am trying to read the boost headers to figure out how they managed to implement the or_<...> and and_<...> metafunctions so that: 1) They can have an arbitrary number of arguments (ok, say up to 5 arguments) 2) They have short circuit behavior, for example: or_<false_,true_,...> does not instantiate whatever is after true_ (so it can also be declared but not defined) Unfortunately the pre-processor metaprogramming is making my task impossible for me :P Thank you in advance for any help/suggestion.

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• I need to get the values of Sharepoint Field Choice Column in Sharepoint 2007 without accessing a li

  - by netadictos

  Hi, I want to do this but without accesing the list "items", that is to say, to access the column perhaps with the root site or a contenttype, not depending on a list that can be created or not inside the Sharepoint app. SPFieldChoice choice = (SPFieldChoice)items.Fields[namefield]; foreach (string choiceName in choice.Choices) { //etc... }

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• php class extend - run something before running parent function

  - by Patrick

  Hi, say I have this class: class animal { function noise() { print 'woof'; } function move() { print 'moved'; } } class dog extends animal { } What I would like to do is when i run $dog-noise() or $dog-move(), it would run something first prior to calling animal class's noise/move. Is this doable? Like maybe logging the function call. If not with class extend, what else can I use to achieve this? Thank you!

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• C#: How to use SHOpenFolderAndSelectItems

  - by Svish

  Could someone give an example on how to use the shell function SHOpenFolderAndSelectItems from C#? I don't quite get how to use these kind of functions and couldn't find it on pinvoke.net... =/ Say I have three files called X:\Pictures\a.jpg X:\Pictures\s.jpg X:\Pictures\d.jpg I then want to open up the X:\Pictures folder with a.jpg, s.jpg and d.jpg selected.

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• Can somebody suggest good learning source of IMS?

  - by Raja Reddy

  I would like to learn working with IMS, can somebody suggest me a good source? I'm not sure if it matters to say that I have quite good exposure and experience with INSYNC DB2 and QMF. So anything that can depict and explain the advantages and disadvantages over IMS would be really helpful. Thanks for your help beforehand..

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• Is using the break statement bad practice?

  - by Lchi

  I've been told by professors and peers at my university that using the break statement is bad practice, but through my coursework haven't come up with a great reason why. Those who claim that it is bad say that it's a "get out of jail free card" and that you can always avoid using it. My guesses for why its considered bad would be that you could possibly skip some cleanup code after the break, or similarly exit some control structure in an inconsistent state. Is there any reason why using break is(n't) bad practice?

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• jquery .html() vs div creation

  - by Argiropoulos Stavros

  Hello Lets say i have a div <div id='myDiv'></div> If i do: $('#myDiv').html('<div id='mySecondDiv'></div>') is it the same as var mySecondDiv=$('<div></div>'); $('myDiv').add(mySecondDiv); I'm pretty sure i have syntax errors but you get the idea.Are the two methods same?

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• Expose subset of a class - design question

  - by thanikkal

  Suppose i have a product class with about close to 100 properties. Now for some operations (Say tax calculation) i dont really need this bulky product type, rather only a subset that has price related properties. I am not sure if i should create different snap shots(class) of products that just has the properties that i am interested in. what would be the ideal approach so that i don't unnecessarily pass around unsought fluff? Thanks in advance.

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• Why is it so hard for a coder to learn SQL? [closed]

  - by dotnetdev

  Hi, I come from a .NET background. Am I the only one who finds it hard to be fluent with T-SQL? Somebody once said it is hard to be good in say C# and also SQL as SQL is declarative (not sure of the distinction). Thanks

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• Why do conditional breakpoints slow my program down so much?

  - by Bob

  When I'm debugging something that goes wrong inside a loop, say on the 600th iteration, it can be a pain to have to break for every one. So I tried setting a conditional breakpoint, to only break if I = 600. That works, but now it takes almost a full minute to reach that point, where before it was almost instantaneous. What's going on, and is there any way to fix it?

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• "Home" of Javascript similar to python.org?

  - by drewk

  Perl, Ruby, Python, Javascript / ecmascript, PHP are all similar in the sense of being open source, open documentation, multi-platform, etc. Perl has http://www.perl.org Ruby has http://www.ruby-lang.org Python has http://www.python.org PHP has http://php.net Is there a "home" for javascript in the same sense as these other languages? When I say "home" I mean the go-to place for official documentation, specifications, source code of the language, examples, etc.

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• Magento or Prestashop, which is better?

  - by leduchuy89vn

  I want to find an ecommerce solution for my little shop. My friend tells me that Prestashop is very easy to use and develop modules for, but some say Magento is better. Can anybody tell me which is better for developing modules and why? Thank you.

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• Printing with fixed spaces

  - by eriks

  I want to print two strings (say "ABC" and "DEF") with 5 space characters before "ABC" and that the second string will start 7 characters after the beginning of the first string.

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• Is there a built-in .NET method for getting all of the properties and values for an object?

  - by Ben McCormack

  Let's say I have: public class Item { public string SKU {get; set; } public string Description {get; set; } } .... Is there a built-in method in .NET that will let me get the properties and values for variable i of type Item that might look like this: {SKU: "123-4556", Description: "Millennial Radio Classic"} I know that .ToString() can be overloaded to provide this functionaility, but I couldn't remember if this was already provided in .NET.

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• Is there a way to find out how many portlets are there in any page?

  - by Rakesh Juyal

  The problem is, say, i am having a page xyz. And in that page there are 20 portlets. How can i find out the names of all portlets placed on the page. Provided i am having the admin privilege.

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• How to check for case sensitive in hibernate criteria

  - by dhiraj

  0 vote down star I have used hibernate to fetch the login information from the mysql database. But the problem is that say for example the user name is 'dhiraj' in the database, now the login is successful by entering the user name, but it is also allowing to enter by taking the user name in uppercase also, e.g., 'DHIRAJ'. I want to restrict it to as it in the database. Can you tell me how to achieve that in hibernate?

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• How can I sort one table by a column in another in MySQL?

  - by George Edison

  Say I have a table named items: id int(11) ... tag int(11) And another table named tags: id int(11) name varchar(255) The tag column in items is an index into the tags table. How can I select some rows from the items table and sort the results by the name column in tags?

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• CSS ul userlist formatting

  - by Titan

  Hi, I am trying to break away from using tables in my formatting, and am trying out using userlist html tags <ul> Say I have a panel with 10 controls, and I want a 3 columns display, therefore 3 controls in each row, and a total of 4 rows for 10 controls. Should I use 4 different <ul> or should I just stack them inside one <ul> Please tell me the advantages and disadvantages Thanks

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• Merging code with dependencies? - Javascript

  - by RadiantHex

  Hi folks, this might be quite simple, but I must say I'm a bit confused on this topic. I'm writing code based on two popular libraries: jQuery underscore.js I am just wondering what would be the best way to isolate the code and prevent conflicts and how to merge it with its dependencies. By merging I mean putting them within the same file. :) I hope I'm not asking something which is too basic. ...and a last thing MERRY CHRISTMAS EVERYONE! =D

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• How is GUID pronounced?

  - by Roberto Sebestyen

  Is it pronounced "Gewid" or is it prononced "G.U.I.D" by spelling out the letters. It seems inconsistently used. What is the proper pronountiaton? Same story goes for SQL. It seems more people say "S.Q.L." than "Sequel".

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