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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:...
How do you add a Dictionary of items into another Dictionary
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28 Answers
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Autolayout - intrinsic size of UIButton does not include title insets
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12 Answers
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HTML/Javascript change div content
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SyntacticSyntactic
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postgresql return 0 if returned value is null
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182
use coalesce
COALESCE(value [, ...])
The COALESCE function returns the first of its argument...
What is the direction of stack growth in most modern systems?
...d you not (but still down, at least for zLinux).
ARM: selectable, but Thumb2 has compact encodings only for down (LDMIA = increment after, STMDB = decrement before).
6502: down (but only 256 bytes).
RCA 1802A: any way you want, subject to SCRT implementation.
PDP11: down.
8051: up.
Showing my ag...
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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How do I run a program with a different working directory from current, from Linux shell?
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edited May 23 '17 at 11:33
Community♦
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answered Apr 24 '09 at 15:46
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How to disable mouse scroll wheel scaling with Google Maps API
...Id: google.maps.MapTypeId.ROADMAP
}, options);
If you were using version 2 of the Maps API you would have had to use the disableScrollWheelZoom() API call as follows:
map.disableScrollWheelZoom();
The scrollwheel zooming is enabled by default in version 3 of the Maps API, but in version 2 it is...
$(document).click() not working correctly on iPhone. jquery [duplicate]
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