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Difference between array_map, array_walk and array_filter
What exactly is the difference between array_map , array_walk and array_filter . What I could see from documentation is that you could pass a callback function to perform an action on the supplied array. But I don't seem to find any particular difference between them.
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SVG drop shadow using css3
Is it possible to set drop shadow for an svg element using css3 , something like
7 Answers
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NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
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Kill process by name?
I'm trying to kill a process (specifically iChat). On the command line, I use these commands:
15 Answers
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How to crop an image in OpenCV using Python
How can I crop images, like I've done before in PIL, using OpenCV.
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Returning JSON from a PHP Script
I want to return JSON from a PHP script.
18 Answers
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Can two different strings generate the same MD5 hash code?
For each of our binary assets we generate a MD5 hash. This is used to check whether a certain binary asset is already in our application. But is it possible that two different binary assets generate the same MD5 hash. So is it possible that two different strings generate the same MD5 hash?
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LLVM vs clang on OS X
I have a question concerning llvm, clang, and gcc on OS X.
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error: Unable to find vcvarsall.bat
I tried to install the Python package dulwich :
42 Answers
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Why is UICollectionViewCell's outlet nil?
I have created a custom UICollectionViewCell in Interface Builder, binded views on it to the class, and then when I want to use and set a string to the label on the string, tha label has a nil value.
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