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Disabling Minimize & Maximize On WinForm?
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edited Jun 11 '10 at 20:31
answered Jun 11 '10 at 20:19
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Extract substring using regexp in plain bash
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Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[0-9]{2}) ]] &&
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Using a bitmask in C#
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edited Jul 16 '10 at 3:35
answered Jul 16 '10 at 2:17
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What is a good reason to use SQL views?
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10 Answers
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const char* concatenation
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110
In your example one and two are char pointers, pointing to char constants. You cannot change th...
How is set() implemented?
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AJP
19.9k1616 gold badges7272 silver badges102102 bronze badges
answered Oct 16 '10 at 14:47
Justin EthierJustin Ethier
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How to get all enum values in Java?
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answered Feb 16 '10 at 0:19
ColinDColinD
101k2626 gold badges190190 silver badges195195 bronze badges
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How to abandon a hg merge?
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edited Apr 3 '10 at 4:23
answered Apr 3 '10 at 4:14
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find() with nil when there are no records
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Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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