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Rails: how do I validate that something is a boolean?
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245
Since Rails 3, you can do:
validates :field, inclusion: { in: [ true, false ] }
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test a file upload using rspec - rails
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Mauricio Gracia Gutierrez
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answered Nov 28 '11 at 13:16
ebsbkebsbk
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Android: Background Image Size (in Pixel) which Support All Devices
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xxxhdpi: 1280x1920 px
xxhdpi: 960x1600 px
xhdpi: 640x960 px
hdpi: 480x800 px
mdpi: 320x480 px
ldpi: 240x320 px
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PHP: merge two arrays while keeping keys instead of reindexing?
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564
You can simply 'add' the arrays:
>> $a = array(1, 2, 3);
array (
0 => 1,
1 => 2...
How to tell Maven to disregard SSL errors (and trusting all certs)?
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How do I get the MIN() of two fields in Postgres?
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edited Jul 26 '19 at 14:39
Victor
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How do I use a file grep comparison inside a bash if/else statement?
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Gesture recognizer and button actions
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edited Feb 26 '15 at 17:47
Yuchen Zhong
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