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How to put comments in Django templates
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Van GaleVan Gale
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How to prevent gcc optimizing some statements in C?
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Dietrich EppDietrich Epp
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What is a provisioning profile used for when developing iPhone applications?
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134
A Quote from : iPhone Developer Program (~8MB PDF)
A provisioning profile is a collection of...
Android: Background Image Size (in Pixel) which Support All Devices
...es/screens_support.html
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...
Differences between contentType and dataType in jQuery ajax function
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174
From the documentation:
contentType (default: 'application/x-www-form-urlencoded; charset=UTF-8...
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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