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How to refer to relative paths of resources when working with a code repository
...wing tree structure: /Project_Root_dir /python_files_dir /Some more subdirs here py_file.py /resources /some subdirs here resource_file.csv
– olamundo
Aug 14 '09 at 12:51
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Find rows that have the same value on a column in MySQL
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count(1) works equally well, and is more performant. (Learned that trick from Stack Overflow ;-)
– jpaugh
Jul 18 '16 at 18:32
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What is the best way to force yourself to master vi? [closed]
...en as you work, and be disciplined enough not to chicken out. As you learn more, become efficient and start relying on muscle memory, it won't be as hard to stick with it.
I've been using Vim for so long that I don't even think about what keys to press to search or navigate or save. And my hands ne...
JavaScript curry: what are the practical applications?
...etter, but the gist is that have some logic that will be applied to two or more arguments, and you only know the value(s) for some of those arguments.
You can use partial application/currying to fix those known values and return a function that only accepts the unknowns, to be invoked later when y...
Exit Shell Script Based on Process Exit Code
...to ls -al file.ext || exit $? but if the then or else clauses are somewhat more complex, it is more maintainable.
– tripleee
Aug 23 '12 at 7:14
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How do you find the row count for all your tables in Postgres
...se is hard to say. Normally I make that decision based on whether there's more useful information I also want to use inside of pg_class or inside of pg_stat_user_tables. For basic counting purposes just to see how big things are in general, either should be accurate enough.
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How to open the Google Play Store directly from my Android application?
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Numpy array assignment with copy
... to work. B[:] = A[:] does the same thing (but B = A[:] would do something more like 1).
numpy.copy(B, A)
This is not legal syntax. You probably meant B = numpy.copy(A). This is almost the same as 2, but it creates a new array, rather than reusing the B array. If there were no other references to t...
finding and replacing elements in a list
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