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Weighted random numbers

...a weighted random numbers. I'm currently just banging my head against the wall and cannot figure this out. 7 Answers ...
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Select count(*) from multiple tables

How can I select count(*) from two different tables (call them tab1 and tab2 ) having as result: 18 Answers ...
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How to duplicate sys.stdout to a log file?

...est way to accomplish logging when a python app is making a lot of system calls? 17 Answers ...
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Where do the Python unit tests go?

... For a file module.py, the unit test should normally be called test_module.py, following Pythonic naming conventions. There are several commonly accepted places to put test_module.py: In the same directory as module.py. In ../tests/test_module.py (at the same level as t...
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What Process is using all of my disk IO

If I use "top" I can see what CPU is busy and what process is using all of my CPU. 7 Answers ...
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Method Resolution Order (MRO) in new-style classes?

...ject'>) with A forced to come in resolution order only once and after all of its subclasses, so that overrides (i.e., C's override of member x) actually work sensibly. It's one of the reasons that old-style classes should be avoided: multiple inheritance with "diamond-like" patterns just doesn...
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how to break the _.each function in underscore.js

...t provide to escape the loop (other than throwing an exception). However, all hope is not lost! You can use the Array.every method. :) From that link: every executes the provided callback function once for each element present in the array until it finds one where callback returns a false valu...
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How to show all shared libraries used by executables in Linux?

...to know which libraries are used by executables on my system. More specifically, I'd like to rank which libraries are used the most, along with the binaries that use them. How can I do this? ...
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Save classifier to disk in scikit-learn

... Works like a charm! I was trying to use np.savez and load it back all along and that never helped. Thanks a lot. – Kartos Jan 29 '14 at 9:29 10 ...
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Change all files and folders permissions of a directory to 644/755

How would I change all files to 644 and all folders to 755 using chmod from the linux command prompt? (Terminal) 8 Answ...