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Is it worth using Python's re.compile?

Is there any benefit in using compile for regular expressions in Python? 26 Answers 26...
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PHP: exceptions vs errors?

Maybe I'm missing it somewhere in the PHP manual, but what exactly is the difference between an error and an exception? The only difference that I can see is that errors and exceptions are handled differently. But what causes an exception and what causes an error? ...
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How can I maintain fragment state when added to the back stack?

I've written up a dummy activity that switches between two fragments. When you go from FragmentA to FragmentB, FragmentA gets added to the back stack. However, when I return to FragmentA (by pressing back), a totally new FragmentA is created and the state it was in is lost. I get the feeling I'm ...
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How are 3D games so efficient? [closed]

There is something I have never understood. How can a great big PC game like GTA IV use 50% of my CPU and run at 60fps while a DX demo of a rotating Teapot @ 60fps uses a whopping 30% ? ...
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?

I've started to use the IPython Notebook and am enjoying it. Sometimes, I write buggy code that takes massive memory requirements or has an infinite loop. I find the "interrupt kernel" option sluggish or unreliable, and sometimes I have to restart the kernel, losing everything in memory. ...
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Difference between fold and reduce?

Trying to learn F# but got confused when trying to distinguish between fold and reduce . Fold seems to do the same thing but takes an extra parameter. Is there a legitimate reason for these two functions to exist or they are there to accommodate people with different backgrounds? (E.g.: String ...
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Can't pickle when using multiprocessing Pool.map()

I'm trying to use multiprocessing 's Pool.map() function to divide out work simultaneously. When I use the following code, it works fine: ...
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What is the difference between integration and unit tests?

I know the so-called textbook definition of unit tests and integration tests. What I am curious about is when it is time to write unit tests... I will write them to cover as many sets of classes as possible. ...
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C char array initialization

I'm not sure what will be in the char array after initialization in the following ways. 6 Answers ...
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The Definitive C Book Guide and List

This question attempts to collect a community-maintained list of quality books on the c programming language, targeted at various skill levels. ...