Top "Closures" questions

How do JavaScript closures work?

How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, …

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Static variables in JavaScript

How can I create static variables in Javascript?

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Why are Python lambdas useful?

I'm trying to figure out Python lambdas. Is lambda one of those "interesting" language items that in real life should …

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JavaScript closure inside loops – simple practical example

It outputs this: My value: 3 My value: 3 My value: 3 Whereas I'd like it to output: My value: 0 My value: 1 My …

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How should I call 3 functions in order to execute them one after the other?

If I need call this functions one after other, $('#art1').animate({'width':'1000px'},1000); $('#art2').animate({…

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Don't understand why UnboundLocalError occurs (closure)

What am I doing wrong here? counter = 0 def increment(): counter += 1 increment() The above code throws an UnboundLocalError.

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In PHP, what is a closure and why does it use the "use" identifier?

I'm checking out some PHP 5.3.0 features and ran across some code on the site that looks quite funny: public function …

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What underlies this JavaScript idiom: var self = this?

I saw the following in the source for WebKit HTML 5 SQL Storage Notes Demo: function Note() { var self = this; var …

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What is the purpose of a self executing function in javascript?

In javascript, when would you want to use this: (function(){ //Bunch of code... })(); over this: //Bunch of code...

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What is the difference between a 'closure' and a 'lambda'?

Could someone explain? I understand the basic concepts behind them but I often see them used interchangeably and I get …

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