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Ruby on Rails Callback, what is difference between :before_save and :before_create?

... answered Jun 6 '11 at 8:46 ChowlettChowlett 41.5k1616 gold badges106106 silver badges138138 bronze badges ...
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ADO.NET DataRow - check for column existence

... | edited Feb 7 '11 at 23:20 BlueRaja - Danny Pflughoeft 72.3k2525 gold badges169169 silver badges251251 bronze badges ...
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Chrome extension: force popup.html to close

... answered Feb 7 '11 at 17:50 sergserg 99.7k6969 gold badges290290 silver badges314314 bronze badges ...
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How to display nodejs raw Buffer data as Hex string

...| edited Apr 29 '16 at 19:11 Justin 18.6k1111 gold badges7070 silver badges118118 bronze badges answered...
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Does const mean thread-safe in C++11?

I hear that const means thread-safe in C++11 . Is that true? 1 Answer 1 ...
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How does Amazon RDS backup/snapshot actually work?

... answered Apr 8 '11 at 17:16 JoshuaJoshua 4,83111 gold badge2222 silver badges3939 bronze badges ...
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Viewing full version tree in git

... | edited Mar 19 '11 at 8:41 answered Mar 19 '11 at 8:34 ...
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Explicitly calling a default method in Java

... answered Nov 14 '13 at 11:35 Richard TingleRichard Tingle 15k55 gold badges4646 silver badges6969 bronze badges ...
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git: How to diff changed files versus previous versions after a pull?

... answered Mar 11 '10 at 20:14 CascabelCascabel 398k6464 gold badges352352 silver badges307307 bronze badges ...
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How to generate controller inside namespace in rails

... answered Mar 2 '17 at 11:47 ThienSuBSThienSuBS 1,0881111 silver badges2222 bronze badges ...