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• ActionScript Defining a Static Constant Array

  - by TheDarkIn1978

  is it not possible to define a static const array? i would like to have an optional parameter to a function that is an array of colors, private static const DEFAULT_COLORS:Array = new Array(0x000000, 0xFFFFFF); public function myConstructor(colorsArray:Array = DEFAULT_COLORS) { } i know i can use ...args but i actually wanting to supply the constructor with 2 separate arrays as option arguments.

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• Adding button click event when Fancybox popup opened

  - by Tom Bell

  I'm trying to add a button onclick event to a button tag when I load my Fancybox popup using the following code: var processOrder = function(id) { $('#processPopupLink').fancybox({ 'hideOnContentClick': false, 'frameWidth': 850, 'frameHeight': 695 }).click(); $('#processComplete').click(function() { alert('debug'); }); } However, it's not showing the message box when I click the button, I have no idea why it is not working, any help would be appreciated.

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• How does one programmatically download files from the web?

  - by ytrp

  How are files downloaded from servers in programming languages like C? I understand higher level languages have magic functions like "download_file_from_url()" but they don't help me understand what is actually going on. I'm a little familiar with sockets but network programming in general is still a black box to me. Thanks for any help.

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• Is there anyway to get the SHA of a commit from its message?

  - by Benjol

  When doing a git tag, I'm not always great at remembering if HEAD~6 (for example) is inclusive or exclusive. Given that most of my commits are prefixed with an issue number, I wondered if there is some magic command for searching for the commit SHA from part of its message. I know it's easy to do a git log and work from there, but I want more easy :)

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• Thread safety with heap-allocated memory

  - by incrediman

  I was reading this: http://en.wikipedia.org/wiki/Thread_safety Is the following function thread-safe? void foo(int y){ int * x = new int[50]; /*...do some stuff with the allocated memory...*/ delete x; } In the article it says that to be thread-safe you can only use variables from the stack. Really? Why? Wouldn't subsequent calls of the above function allocate memory elsewhere?

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• How to Improve this if else structure in Javascript?

  - by basit74

  if(isIE()) if(termin != "") TargetElement.onclick = function() {merkzettelRemove(this, id, termin)}; else TargetElement.onclick = function() {merkzettelRemove(this, id)}; else if(termin != "") TargetElement.setAttribute("onclick","merkzettelRemove(this, " + id + ", '" + termin + "')"); else TargetElement.setAttribute("onclick","merkzettelRemove(this, " + id + ")");

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• Is it possible to get a pointer to String^'s internal array in C++/CLI?

  - by CannibalSmith

  The goal is to avoid copying the string data when I need a const wchar_t*. The answer seems to be yes, but the function PtrToStringChars doesn't have its own MSDN entry (it's only mentioned in the KB and blogs as a trick). That made me suspicious and I want to check with you guys. Is it safe to use that function?

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• Optimizing division/exponential calculation

  - by Saltheart

  I've inherited a Visual Studio/VB.Net numerical simulation project that has a likely inefficient calculation. Profiling indicates that the function is called a lot (1 million times plus) and spends about 50% of the overall calculation within this function. Here is the problematic portion Result = (A * (E ^ C)) / (D ^ C * B) (where A-C are local double variables and D & E global double variables) Result is then compared to a threshold which might have additional improvements as well, but I'll leave them another day any thoughts or help would be appreciated Steve

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• Using nsINavHistoryObserver to create events for a firefox extension

  - by user303052

  I am trying to make a firefox extension which looks at all the new pages that a user views and look at the URL. I was looking at the nsINavHistoryObserver interface and was interested in the onVisit function. Is there a way to create an event listener that can listen to whenever the onVisit function is called? Thanks

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• mySQL convert varchar to date

  - by Jeff V

  I need to convert a varchar value of 1/9/2011 to a date in mySQL and I want only the month and year. So that I can then use the PERIOD_DIFF function (so I would need the above to be converted to 201101). I've tried various ways using the STR_TO_DATE function: SELECT STR_TO_DATE(CYOApp_oilChangedDate, '%m/%Y') FROM CYO_AppInfo But I get weird results... (for example: 2009-01-00) What am I doing incorrectly?

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• javascript Refresh Div.

  - by Tom

  Hi, I am using this code to refresh the data inside of the div: <script> $(function() { $("#refresh").click(function() { $("#new").load("/new.php") }) }) </script> Except it loads the who page inside of the div, instead of just the information that is inside of the div. How do I make it refresh only the data that is inside of the div? Is there a way of doing it other than putting the information for that div in a seperate page?

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• Java execution details in System.out

  - by John

  As I remember there is a magic command line option in Java that turn on writing of operations that are currently executed to console. The output was looked like byte code. I do not mean -verbose, because it prints only class loading, while this option outputs information like memory allocation etc.

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• Local variable vs parameter

  - by Dhana

  function doIt(param) { var localVar = param; //do lots of stuff with localVar } function doIt(param) { //do lots of stuff with param } Is there any difference in terms of efficiency between the code above?

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• Remove CSS from a Div using JQuery

  - by Aruna

  Hi, I'm new to JQuery. In my App I have the following: $("#displayPanel div").live("click", function(){ $(this).css({'background-color' : 'pink', 'font-weight' : 'bolder'}); }); When I click on a Div, the color of that Div is changed. Within that Click function I have some functionalities to do. After all that I want to remove the applied Css from the Div. How could I do it in JQuery?

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• What's the best way to stop multiple instances of a Windows app being launched?

  - by John

  Many Windows apps (like Skype or MSN for instance) don't let you start multiple instances, rather trying to run it a 2nd time just leaves the existing version running. Is this typically done in some simple way - the start-menu shortcut is a 'wrapper' app around the main app - or is there some registry magic you can do to delegate the problem to Windows itself? Specifically dealing with Win32 here (unmanaged C++) but happy to hear more general solutions as long as they are workable on Windows XP or alter.

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• jquery select list remove

  - by mazhar

  there are 2 multiple select list on my page , one is there with a seperate remove button . selecting an item there in the selected list is removing the item from the first select list also.how will i specify which list to remove item from in this code $().ready(function() { $('#remove').click(function() { return !$('#FeatureList option:selected').remove(); }); });

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• How to call a method on UIButton in NSArray?

  - by user1792818

  I'm trying to enable a button but the button that I would enable in this function changes. I have an array of the buttons but when I use the .enabled on the array index I want it says that this doesn't work for IDs. I have used this array to set the text of each button before using: [[ButtonArray objectAtIndex: Index] setTitle:(@"blahblahblah") forState: UIControlStateNormal]; is there any way to use a similar function call to enable and disable?

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• getJSON callback not firing

  - by Marty Trenouth

  I'm making the call using the following script which is called on click of an anchor tag function GetToken(videoId) { debugger; var json = $.getJSON("/Vod/RequestAccessToken/"+videoId, function(result){ alert("token recieved: " + result.token); }); } In the server application I recieve the call so I know it is a valid URL, but the callback is not being invoked. If i set though the jquery code (f11/f10) the callback is called??!!!?

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• What is the purpose of using a reference to a reference in C++?

  - by SilverSun

  In my adventures studying the boost libraries, I've come across function signatures that have parameters which are a reference to a reference to an object. Example: void function(int && i); What is the purpose/benefit of doing it this way rather than simply taking a reference to an object? I assume there is one if it's in boost.

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• Returning the size of available virtual memory at run-time in C++

  - by Greenhouse Gases

  In C++ is there a predefined library function that will return the size of RAM currently available on a computer a program is being run on, at run-time? For instance, if an object is 4bytes, then can we divide the available virtual memory by 4 bytes to give an estimate of how many more objects could be stored by the program safely? I have used the sizeof() function to return the size of objects within my program. Thanks

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• How to compare strings ignoring case (C++)?

  - by zebraman

  I am aware there is a function strcasecmp() that compares cstrings ignoring case, but I was wondering if there is a function that does the same thing except with strings? I am working with a bunch of strings, and feel like it would be terribly inefficient to have to use c_str() each time I want to compare them with strcasecmp(). Should I just use cstrings instead of strings...?

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• DrawPrimitive with alpha

  - by confusedman

  I'm trying to draw a line with the DrawPrimitive function in Direct3D. Can I draw tranparent line with the function? If I can, how to design it?

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• Where does code within Script tags go in the resulting AS class?

  - by Hanno Fietz

  I was wondering what happens to the code contained in an <mx:Script> tag. If I define a function tehre, it just becomes a member function of the generated class. But I noticed that it seems OK for the compiler if I just write some (static) method calls there (specifically, I call Font.registerFont()). I feel kind of guilty for doing this, because I have no idea what's really happening and when the code gets executed.

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• j query validation plugin for two fields

  - by jonathan p

  I am using the Jquery Validation plug-in, however i need to add a "custom rule", i have 2 date fields and i need to ensure that the end date is not less than the start date. My problem is how to pass the two fields in as elements. As i understand u set up a custom function something like this : function customValidationMethod(value, element, params){ } But can't see how i could use it with two fields, if anyone has any ideas it would be greatly appreciated.

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• Is there an easily available implementation of erf() for Python?

  - by rog

  I can implement the error function, erf, myself, but I'd prefer not to. Is there a python package with no external dependencies that contains an implementation of this function? I have found http://pylab.sourceforge.net/packages/included_functions.htmlthis but this seems to be part of some much larger package (and it's not even clear which one!). I'm sorry if this is a naive question - I'm totally new to Python.

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