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Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference

...ugly outerScopeVar which is completely useless in this case. Then we add a parameter which accepts a function argument, our callback. When the asynchronous operation finishes, we call this callback passing the result. The implementation (please read the comments in order): // 1. Call helloCatAsync ...
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Use Font Awesome Icons in CSS

...thout having to add all kinds of messy extra mark-up. Be sure to set position:relative on your actual text wrapper for the positioning to work. .mytextwithicon { position:relative; } .mytextwithicon:before { content: "\25AE"; /* this is your text. You can also use UTF-8 character code...
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Import error: No module name urllib2

... As stated in the urllib2 documentation: The urllib2 module has been split across several modules in Python 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3. So you should ins...
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What really happens in a try { return x; } finally { x = null; } statement?

I saw this tip in another question and was wondering if someone could explain to me how on earth this works? 5 Answers ...
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Is AngularJS just for single-page applications (SPAs)?

We are looking at options to build the front end of an application we are creating and are trying to evaluate a tool that will work for us and give us the best platform to move forward. ...
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java : convert float to String and String to float

...lic class TestStandAlone { /** * This method is to main * @param args void */ public static void main(String[] args) { // TODO Auto-generated method stub try { Float f1=152.32f; BigDecimal roundfinalPrice = new BigDecimal(f1.floatValu...
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How do you import classes in JSP?

...you are importing a List into a JSP, chances are pretty good that you are violating MVC principles. Take a few hours now to read up on the MVC approach to web app development (including use of taglibs) - do some more googling on the subject, it's fascinating and will definitely help you write bette...
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Regular expressions in an Objective-C Cocoa application

...itial Googling indicates that there's no built-in way to do regular expressions in an Objective-C Cocoa application. 10 Ans...
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Retrieving the inherited attribute names/values using Java Reflection

...ues of ChildObj, including the inherited attributes too, using Java reflection mechanism? 14 Answers ...
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Get free disk space

Given each of the inputs below, I'd like to get free space on that location. Something like 13 Answers ...