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Validate uniqueness of multiple columns
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You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :s...
How to check for Is not Null And Is not Empty string in SQL server?
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onedaywhenonedaywhen
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add a c...
What is the IntelliJ shortcut key to create a javadoc comment?
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Jared Burrows
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answered May 21 '13 at 13:41
Rachel GallenRa...
How does Activity.finish() work in Android?
... CommonsWareCommonsWare
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callback to handle completion of pipe
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– Denys Vitali
Aug 31 '13 at 21:43
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for me the event 'close', rather than 'end' works r.o...
How to match all occurrences of a regex
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the Tin Man
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answered Mar 12 '16 at 22:42
sudo bangbangsudo bangbang
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Extracting substrings in Go
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Denys SéguretDenys Séguret
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What's the difference between @Secured and @PreAuthorize in spring security 3?
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answered May 21 '18 at 7:40
Joby Wilson MathewsJoby Wilson Mathews
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How to open a web server port on EC2 instance
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answered Jun 21 '13 at 6:07
dmohrdmohr
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Spring Boot Rest Controller how to return different HTTP status codes?
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edited Nov 21 '19 at 9:27
informatik01
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