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Rails where condition using NOT NIL
...h Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I prefer to leverage merge so that...
Telling gcc directly to link a library statically
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It is possible of course, use -l: instead of -l. For example -l:libXYZ.a to link with libXYZ.a. ...
What is the in a .vimrc file?
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edited Jul 14 '15 at 5:43
Mehrad
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git: Show index diff in commit message as comment
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The --verbose (or -v) flag for git commit will display the diff of what would be committed:
gi...
What is this CSS selector? [class*=“span”]
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What does 'wb' mean in this code, using Python?
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answered Apr 19 '10 at 7:44
YOUYOU
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CPU Privilege Rings: Why rings 1 and 2 aren't used?
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As a hobbyist operating system writer, I found that because paging (a major part of the modern p...
Following git-flow how should you handle a hotfix of an earlier release?
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JPA - Returning an auto generated id after persist()
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JB NizetJB Nizet
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