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@UniqueConstraint annotation in Java
I have a Java bean. Now, I want to be sure that the field should be unique.
8 Answers
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Get Substring between two characters using javascript
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Does anyone know how I would do this for every occurence of a substring between my starting and ending string?
– MarksCode
Feb 26 '16 at 5:11
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How can I confirm a database is Oracle & what version it is using SQL?
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@Prokhozhii - We now use 19 so i can no longer confirm but I would appreciate it if you could provide additional explanation as select version from v$instance definitely works in Oracle 11 . See answer
How to programmatically clear application data
... On Android 2.1-update1, this unfortunately yields Error: unknown command 'clear'.
– Paul Lammertsma
Apr 11 '12 at 13:49
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gitignore without binary files
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Now, this is kind of a different approach.
– René Nyffenegger
Jan 18 '18 at 16:45
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How do I create and access the global variables in Groovy?
...thin a closure? E.g: i have def a = null at the beginning of the script. Now the inside a closure, the value of a = 'some string' , is assigned. I want this new value to be accessible to all other closures. thanks
– OK999
Oct 26 '17 at 18:30
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How do I remove all .pyc files from a project?
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@holms pyclean (and now py3clean) originate in a Debian package, and thus aren’t in RHEL.
– duozmo
Jan 9 '16 at 18:53
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Using the star sign in grep
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fgrep is now deprecated, grep -f should be used instead.
– Prometheus
Sep 18 '18 at 21:49
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what are the .map files used for in Bootstrap 3.x?
...after you've combined and minified it, without impacting performance? Well now you can through the magic of source maps.
This article explains Source Maps using a practical approach.
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overlay opaque div over youtube iframe
... @meder thanks for the link and solution! will try it out right now, but the flash is still click-able though :)
– Timo Huovinen
Sep 29 '10 at 10:22
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