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MySQL, update multiple tables with one query

... 456 Take the case of two tables, Books and Orders. In case, we increase the number of books in a p...
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Appropriate datatype for holding percent values?

...ent (e.g. 100.00% stored as 1.0000), I would store the data in a decimal(5,4) data type with a CHECK constraint that ensures that the values never exceed 1.0000 (assuming that is the cap) and never go below 0 (assuming that is the floor). If you are going to store their face value (e.g. 100.00% is s...
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What is the default value for enum variable?

... 384 It is whatever member of the enumeration represents the value 0. Specifically, from the document...
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How to use subprocess popen Python

... 144 subprocess.Popen takes a list of arguments: from subprocess import Popen, PIPE process = Pope...
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TypeScript typed array usage

... | edited Mar 27 '14 at 12:01 Sorskoot 9,77544 gold badges4646 silver badges9393 bronze badges an...
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What do you call the -> operator in Ruby?

... 4 Answers 4 Active ...
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What does iterator->second mean?

... answered Mar 16 '13 at 16:04 Joseph MansfieldJoseph Mansfield 97.7k1717 gold badges214214 silver badges297297 bronze badges ...
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How to ignore all hidden directories/files recursively in a git repository?

...Daniel Böhmer 11.8k55 gold badges3030 silver badges4545 bronze badges 3 ...
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Mercurial .hgignore for Visual Studio 2010 projects

... | edited Jan 31 '13 at 5:45 answered Nov 4 '10 at 10:35 Th...
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Target elements with multiple classes, within one rule

... edited May 23 '17 at 11:54 Community♦ 111 silver badge answered Mar 4 '11 at 16:36 ...