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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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Tested & Working Version
User.select(:first,:email).group(:first,:email).having("count(*) ...
Two color borders
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-1 for "supporting IE < 8 really isn't something you should be doing". Not supporting IE6 may be fine. But not supporting IE7 is ridicul...
How to duplicate a git repository? (without forking)
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edited Oct 27 '16 at 7:21
answered Mar 26 '15 at 15:19
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What is a handle in C++?
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answered Sep 24 '17 at 22:27
dyastadyasta
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Select random lines from a file
...ore than once?
– Frederick Nord
Mar 27 '18 at 20:21
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Creating java date object from year,month,day
...oes the right thing.
– JB Nizet
Sep 27 '17 at 6:55
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Convert data.frame column format from character to factor
...anted to change many but not all. E.g., col_nums <- c(1, 6, 7:9, 21:23, 27:28, 30:31, 39, 49:55, 57) then df[,col_nums] <- lapply(df[,col_nums] , factor).
– WGray
Aug 8 '14 at 17:17
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Django CharField vs TextField
...h limit.)"
– iff_or
Apr 3 '18 at 20:27
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I believe the really important difference between the tw...
MSTest copy file to test run folder
...Richard Ev
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answered Mar 16 '09 at 6:33
Preet SanghaPreet Sangha
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How do I save a String to a text file using Java?
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answered Jun 27 '09 at 19:43
Jeremy SmythJeremy Smyth
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