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Is there any performance gain in indexing a boolean field?

...vant rows. – ilanco May 9 '12 at 22:04 4 otherwise it would scan the whole index. (which is just ...
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Why doesn't git recognize that my file has been changed, therefore git add not working

...| edited Dec 20 '19 at 17:04 Jeromy French 11.1k1313 gold badges6767 silver badges117117 bronze badges a...
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Python: How to get stdout after running os.system? [duplicate]

...ution (subprocess.call("cmd.exe dir",shell=False) )is work under ubuntu 12.04 except shell=True. Thanks! – JohnnyLinTW Aug 8 '16 at 9:44 ...
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rsync: how can I configure it to create target directory on server?

...haviour. Just to show you what I get when using rsync (3.0.9 on Ubuntu 12.04) $ rsync -rvv *.txt user@remote.machine:/tmp/newdir/ opening connection using: ssh -l user remote.machine rsync --server -vvre.iLsf . /tmp/newdir/ user@remote.machine's password: sending incremental file list created dire...
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How do I alter the position of a column in a PostgreSQL database table?

...icle. – Bill Karwin Nov 13 '08 at 0:04 2 'dump the database' :: great way to damage data. and hen...
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Do HTML5 custom data attributes “work” in IE 6?

... – Paul D. Waite Mar 10 '10 at 11:04 add a comment  |  ...
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Is there an alternative to string.Replace that is case-insensitive?

...se); – Helge Klein Feb 28 '11 at 14:04 8 Please watch out when using Regex.Escape in Regex.Replac...
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How to read a single character from the user?

...keys like Ctrl+C, Ctrl+D and Ctrl+Z are caught and returned (as '\x03', '\x04' and '\x1a' respectively); your program can be come difficult to abort. share | improve this answer | ...
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How do I sort a dictionary by value?

...main. – SabreWolfy Jun 18 '12 at 10:04 2 Dicts can now be sorted, starting with CPython 3.6 and a...
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What is the difference between concurrent programming and parallel programming?

... https://joearms.github.io/published/2013-04-05-concurrent-and-parallel-programming.html Concurrent = Two queues and one coffee machine. Parallel = Two queues and two coffee machines. sha...