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PHP prepend associative array with literal keys?

Is it possible to prepend an associative array with literal key=>value pairs? I know that array_unshift() works with numerical keys, but I'm hoping for something that will work with literal keys. ...
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What's the algorithm to calculate aspect ratio?

I plan to use it with JavaScript to crop an image to fit the entire window. 18 Answers ...
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How do you use String.substringWithRange? (or, how do Ranges work in Swift?)

I have not yet been able to figure out how to get a substring of a String in Swift: 33 Answers ...
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COUNT DISTINCT with CONDITIONS

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How can I read a whole file into a string variable

I have lots of small files, I don't want to read them line by line. 5 Answers 5 ...
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How to flatten nested objects with linq expression

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Why does python use 'else' after for and while loops?

I understand how this construct works: 21 Answers 21 ...
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How to build & install GLFW 3 and use it in a Linux project

Last night I was working late trying to build the GLFW 3 packages for Linux from source. This process took me a very long time, about 3 hours in total, partly because I am unfamiliar with CMake, and partly because I am was unfamiliar with GLFW. ...
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How to get a reference to a module inside the module itself?

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Capture key press (or keydown) event on DIV element

How do you trap the keypress or key down event on a DIV element (using jQuery)? 3 Answers ...