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Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]

...hange of sublayers within one of my layers, as well as changes in the size and contents of the layer. I believe the contents key is the one you're looking for in order to prevent the crossfade on updated drawing. Swift version: let newActions = [ "onOrderIn": NSNull(), "onOrderO...
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How to watch for array changes?

...-based assignment? I want something that would fire an event that I could handle. 10 Answers ...
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How to set default value for form field in Symfony2?

...value. empty_data doesn't show the value, it uses it on empty value submit and makes it impossible to save unchecked choices. – moldcraft Jul 20 '17 at 9:04 ...
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Best practice for nested fragments in Android 4.0, 4.1 (

I'm writing an app for 4.0 and 4.1 tablets, for which I do not want to use the support libraries (if not needed) but the 4.x api only therefore. ...
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Extract file basename without path and extension in bash [duplicate]

... You don't have to call the external basename command. Instead, you could use the following commands: $ s=/the/path/foo.txt $ echo "${s##*/}" foo.txt $ s=${s##*/} $ echo "${s%.txt}" foo $ echo "${s%.*}" foo Note that this solution should work in all recent (post 2004) POS...
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How can I undo a `git commit` locally and on a remote after `git push`

...mit followed by a git push . How can I revert that change on both local and remote repositories? 7 Answers ...
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In HTML5, is the localStorage object isolated per page/domain?

... It's per domain and port (the same segregation rules as the same origin policy), to make it per-page you'd have to use a key based on the location, or some other approach. You don't need a prefix, use one if you need it though. Also, yes,...
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What does inverse_of do? What SQL does it generate?

I'm trying to get my head around inverse_of and I do not get it. 8 Answers 8 ...
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Twitter Bootstrap alert message close and open again

I have a problem with alert messages. It is displayed normally, and I can close it when the user presses x (close), but when the user tries to display it again (for example, click on the button event) then it is not shown. (Moreover, if I print this alert message to console, it is equal to [] .) ...
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Is there any overhead to declaring a variable within a loop? (C++)

...this basic thing. Once he laughed at me declaring a variable inside a loop and I was wondering what's wrong until he cited performance as the reason not to do so and I was like "WTF!?". – Mehrdad Afshari Jun 11 '09 at 19:35 ...