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Generate a random alphanumeric string in Cocoa
I want to call a method, pass it the length and have it generate a random alphanumeric string.
20 Answers
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What is Node.js? [closed]
I don't fully get what Node.js is all about. Maybe it's because I am mainly a web based business application developer. What is it and what is the use of it?
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PHP: How to use array_filter() to filter array keys?
The callback function in array_filter() only passes in the array's values, not the keys.
14 Answers
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libpng warning: iCCP: known incorrect sRGB profile
I'm trying to load a PNG image using SDL but the program doesn't work and this error appears in the console
13 Answers
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What's the reason I can't create generic array types in Java?
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Can scripts be inserted with innerHTML?
I tried to load some scripts into a page using innerHTML on a <div> . It appears that the script loads into the DOM, but it is never executed (at least in Firefox and Chrome). Is there a way to have scripts execute when inserting them with innerHTML ?
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If my interface must return Task what is the best way to have a no-operation implementation?
In the code below, due to the interface, the class LazyBar must return a task from its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method...
jQuery .hasClass() vs .is()
is there a preferred method of determining whether an element is assigned a class, from a performance standpoint?
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How to create an array for JSON using PHP?
From PHP code I want to create an json array:
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