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SQL RANK() versus ROW_NUMBER()
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ROW_NUMBER : Returns a unique number for each row starting with 1. For rows that have duplicate values,numbers are arbitarily assigned.
Rank : Assigns a unique number for each row starting with 1,except for rows that have duplicate values,in which case the same ranking is assigned and a ...
How to find the operating system version using JavaScript?
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13 Answers
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In Maven 2, how do I know from which dependency comes a transitive dependency?
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132
To add to @David Crow, here's a dependency:tree example from the Maven site:
mvn dependency:t...
How to convert a boolean array to an int array
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176
Numpy arrays have an astype method. Just do y.astype(int).
Note that it might not even be ne...
How to fix the uninitialized constant Rake::DSL problem on Heroku?
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answered Jun 7 '11 at 9:31
KaleKale
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How to pass arguments and redirect stdin from a file to program run in gdb?
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Pass the arguments to the run command from within gdb.
$ gdb ./a.out
(gdb) r < t
Starting ...
How to calculate moving average using NumPy?
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14 Answers
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Java regex capturing groups indexes
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183
Capturing and grouping
Capturing group (pattern) creates a group that has capturing property....
How can I profile Python code line-by-line?
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I believe that's what Robert Kern's line_profiler is intended for. From the link:
File: pyst...
Python argparse mutual exclusive group
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add_mutually_exclusive_group doesn't make an entire group mutually exclusive. It makes options...