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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:...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
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820
Use whatever you and your team find the most readable.
Other answers have suggested that a new...
Sort array of objects by object fields
...array($this, "cmp"));
– rmooney
Sep 20 '13 at 20:53
7
@rmooney Yes, but only if you're inside a c...
Difference between volatile and synchronized in Java
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niyasc
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answered Aug 19 '10 at 7:48
Lawrence DolLawrence ...
C# if/then directives for debug vs release
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answered Jan 20 '10 at 19:05
psychotikpsychotik
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What is the worst gotcha in C# or .NET? [closed]
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205
@jrista: O please NO... not m_ ... aargh the horror...
– fretje
Jun 26 '09 at 8:14
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How to compare two dates?
...t; datetime(3000, 1, 1) < present
False
>>> present - datetime(2000, 4, 4)
datetime.timedelta(4242, 75703, 762105)
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PHP Function with Optional Parameters
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answered Oct 20 '10 at 14:32
Matt BallMatt Ball
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sed or awk: delete n lines following a pattern
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answered May 20 '15 at 17:57
mklement0mklement0
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Can I have onScrollListener for a ScrollView?
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edited Nov 20 '17 at 7:42
Lavekush Agrawal
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