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How do I unload (reload) a Python module?

I have a long-running Python server and would like to be able to upgrade a service without restarting the server. What's the best way do do this? ...
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Is errno thread-safe?

...l errno is defined by including the header , as specified by the C Standard ... For each thread of a process, the value of errno shall not be affected by function calls or assignments to errno by other threads. Also see http://linux.die.net/man/3/errno errno is thread-local; settin...
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What are the differences between the threading and multiprocessing modules?

I am learning how to use the threading and the multiprocessing modules in Python to run certain operations in parallel and speed up my code. ...
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Should you always favor xrange() over range()?

...might prefer range(): In python 3, range() does what xrange() used to do and xrange() does not exist. If you want to write code that will run on both Python 2 and Python 3, you can't use xrange(). range() can actually be faster in some cases - eg. if iterating over the same sequence multiple time...
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Test if a command outputs an empty string

How can I test if a command outputs an empty string? 11 Answers 11 ...
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How to redirect 'print' output to a file using python?

...ee it initialized. My first guess is that glob doesn't find any bamfiles, and therefore the for loop doesn't run. Check that the folder exists, and print out bamfiles in your script. Also, use os.path.join and os.path.basename to manipulate paths and filenames. ...
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What is the difference between svg's x and dx attribute?

What is the difference between svg's x and dx attribute (or y and dy)? When would be a proper time to use the axis shift attribute (dx) versus the location attribute (x)? ...
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Using jQuery To Get Size of Viewport

How do I use jQuery to determine the size of the browser viewport, and to redetect this if the page is resized? I need to make an IFRAME size into this space (coming in a little on each margin). ...
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Android LocationClient class is deprecated but used in documentation

...e using the new/latest Location Service API... Enjoy developing :) import android.location.Location; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.widget.TextView; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms....
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Switching between GCC and Clang/LLVM using CMake

I have a number of projects built using CMake and I'd like to be able to easily switch between using GCC or Clang/LLVM to compile them. I believe (please correct me if I'm mistaken!) that to use Clang I need to set the following: ...