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MySQL: @variable vs. variable. What's the difference?
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edited Jul 22 at 10:06
Community♦
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answered Jun 17 '09 at 23:39
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spring scoped proxy bean
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edited Oct 8 '13 at 9:40
Adrien Be
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How to define a reply-to address?
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dogenpunkdogenpunk
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Why do some functions have underscores “__” before and after the function name?
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answered Dec 31 '11 at 19:01
Michael BurrMichael Burr
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How do I explicitly specify a Model's table-name mapping in Rails?
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ZabbaZabba
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Simple (I think) Horizontal Line in WPF?
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answered Feb 22 '10 at 23:22
Adel HazzahAdel Hazzah
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Pull all commits from a branch, push specified commits to another
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answered May 19 '09 at 4:53
bdonlanbdonlan
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Passing a list of kwargs?
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answered Sep 30 '09 at 6:11
PeterPeter
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Rails where condition using NOT NIL
...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 I...
Naming convention for utility classes in Java
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answered Apr 20 '10 at 17:01
JayJay
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