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How to check if an array field contains a unique value or another array in MongoDB?
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edited Jan 10 '13 at 11:43
kubudi
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How do I undo “Scope to this” in Visual Studio 2012?
...king for?
– Stefan
Mar 13 '15 at 11:43
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Didnt work for me in VS2017.. just stuck in the "scoped"...
How do I create a new branch?
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edited Jan 3 '16 at 20:43
Peter Mortensen
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How to retrieve inserted id after inserting row in SQLite using Python?
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There is also the last_insert_rowid() SQL function, allowing you to insert the last row id as a foreign key in a next insert statement, ent...
How to redirect single url in nginx?
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edited Jan 9 at 15:43
srborlongan
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Comments in .gitignore?
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– user202729
Oct 21 '19 at 16:43
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How to compile without warnings being treated as errors?
... ZibriZibri
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codestyle; put javadoc before or after annotation?
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n00begon
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answered Jun 24 '10 at 12:37
Peter JaricPeter J...
Getting pids from ps -ef |grep keyword
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edited Nov 14 '11 at 10:43
answered Nov 14 '11 at 10:37
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str performance in python
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>>> Timer('"%s" % x', 'x=100').timeit()
0.2169809341430664
Do note that str is still slightly slower, as @DietrichEpp said, this is because str involves lookup and function call operations, while % compiles to a single immediate bytecode:
>>> dis.dis(lambda x: str(...