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postgresql return 0 if returned value is null
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use coalesce
COALESCE(value [, ...])
The COALESCE function returns the first of its argument...
Add directives from directive in AngularJS
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In cases where you have multiple directives on a single DOM element and where the
order in whi...
Insert all values of a table into another table in SQL
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The insert statement actually has a syntax for doing just that. It's a lot easier if you speci...
How can you run a command in bash over until success
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John Kugelman
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answered Mar 11 '11 at 14:48
ErikErik
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Convert XML to JSON (and back) using Javascript
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12 Answers
12
Active
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How do you delete an ActiveRecord object?
... like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent association options.
User.delete_all(condition:...
Twitter Bootstrap modal: How to remove Slide down effect
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edited Apr 4 '14 at 20:59
digitalextremist
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How to modify a text file?
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edited Oct 9 '12 at 12:11
user229044♦
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HTML/Javascript change div content
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SyntacticSyntactic
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6
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Depend on a branch or tag using a git URL in a package.json?
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edited Oct 24 '18 at 22:19
Steve Bennett
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