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What are the differences between a UIView and a CALayer?

...chy of CALayers. It's not that hard to implement this yourself, but it is extra code you'd need to write when building a CALayer-only interface. You will often need to access the underlying layers for a UIView when performing more complex animations than the base UIView class allows. UIView's ani...
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Django filter queryset __in for *every* item in list

...turned by the query) == (num tags searched for) then the row is included; "extra" tags are not searched for, so won't be counted. I've verified this within my own app. – tbm May 2 '18 at 20:26 ...
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Make WPF window draggable, no matter what element is clicked

...ction of the MSDN page for MouseLeftButtonDown for more info, and for some extra things to be aware of if you're going to be using MouseLeftButtonDown over MouseDown. – Rachel Jan 6 '15 at 19:39 ...
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Where do the Python unit tests go?

... together some semi-separated modules? If a: A separate folder and the extra effort to maintain its structure may be better suited. No one will complain about your tests getting deployed to production. But it's also just as easy to exclude tests from being distributed when they are mixed with ...
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Single huge .css file vs. multiple smaller specific .css files? [closed]

...ntaining it is very difficult. On the other hand, splitting it out causes extra http requests which could potentially slow things down. My opinion would be one of two things. 1) If you know that your CSS will NEVER change once you've built it, I'd build multiple CSS files in the development stage...
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How to remove the arrow from a select element in Firefox

...-appearance, text-indent and text-overflow. It is pure CSS and requires no extra markup. select { -moz-appearance: none; text-indent: 0.01px; text-overflow: ''; } Tested on Windows 8, Ubuntu and Mac, latest versions of Firefox. Live example: http://jsfiddle.net/joaocunha/RUEbp/1/ Mo...
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How do I put two increment statements in a C++ 'for' loop?

...the comma. This isn't legal C# either: for(int i = 0; i != 5; (++i)) { The extra parenthesis trick the compiler into thinking it isn't an "increment" operation any more. – CodingWithSpike Oct 11 '17 at 13:30 ...
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How should I log while using multiprocessing in Python?

... number of system calls (and impact on client performance) in exchange for extra latency in the aggregator proc. – vladr Oct 16 '13 at 19:31 ...
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Mercurial: how to amend the last commit?

...t). || || \/ Caveat emptor: This extra option will only be enabled if the mercurial version is at least 2.2.0, and if the current revision is not public, is not a patch and has no children. [...] Clicking the button will call 'commit --amend' ...
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How to pass parameters to a view

... You just need to pass the extra parameter when you construct the MenuView. No need to add the initialize function. new MenuView({ collection: itemColl, position: this.getPosition() }) And then, in MenuView, you can use this.options.position. U...