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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
...Duration:2 animations:^{
customView.edgeInsets = UIEdgeInsetsMake(45, 17, 18, 34);
}];
If you do not add the call to layoutIfNeeded in the setEdgeInsets method, the animation won't work because the layoutSubviews will get called at the next update cycle, which equates to calling it outside of ...
How to handle multiple cookies with the same name?
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37
From this article on SitePoint:
If multiple cookies of the same name match a given request URI,...
Multi-gradient shapes
...e="0"
android:startColor="#FF63a34a"
android:endColor="#FF477b36"
android:type="linear"
/>
</shape>
half_overlay.xml
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape...
Xcode 4.5 Storyboard 'Exit'
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72
This is called an "Unwind Segue". Unfortunately there's no documentation for this so far except...
How to install a node.js module without using npm?
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74
You need to download their source from the github. Find the main file and then include it in yo...
Inheriting from a template class in c++
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celtschkceltschk
17.7k22 gold badges3232 silver badges6161 bronze badges
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How to pass a user defined argument in scrapy spider
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Update 2016: Use newer base class and add super, thanks @Birla
Update 2017: Use Python3 super
# previously
super(MySpider, self).__init__(**kwargs) # python2
Update 2018: As @eLRuLL points out, spiders can access arguments as attributes
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ASP.NET MVC: Unit testing controllers that use UrlHelper
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eu-ge-neeu-ge-ne
27k66 gold badges6868 silver badges6262 bronze badges
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Which $_SERVER variables are safe?
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147
There's no such thing as "safe" or "unsafe" values as such. There are only values that the serve...
How can I save an image with PIL?
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147
The error regarding the file extension has been handled, you either use BMP (without the dot) or...