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NSOperation vs Grand Central Dispatch

...asses that do a similar thing. NSOperation was introduced first, but as of 10.5 and iOS 2, NSOperationQueue and friends are internally implemented using GCD. In general, you should use the highest level of abstraction that suits your needs. This means that you should usually use NSOperationQueue in...
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How to remove leading and trailing white spaces from a given html string?

... Jhankar MahbubJhankar Mahbub 9,01699 gold badges4545 silver badges4949 bronze badges ...
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How to revert a Git Submodule pointer to the commit stored in the containing repository?

... | edited Sep 15 at 1:10 answered Oct 24 '11 at 23:28 B...
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Can you autoplay HTML5 videos on the iPad?

... iOS 10 update The ban on autoplay has been lifted as of iOS 10 - but with some restrictions (e.g. A can be autoplayed if there is no audio track). To see a full list of these restrictions, see the official docs: https://webkit...
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SQL DROP TABLE foreign key constraint

... | edited Dec 16 '16 at 10:21 Stephan Bauer 7,90833 gold badges3232 silver badges5555 bronze badges an...
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SQL Server principal “dbo” does not exist,

...Thanks! – dotnetavalanche Jan 13 at 10:01 add a comment  |  ...
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How to make Git pull use rebase by default for all my repositories?

... answered Apr 24 '15 at 10:31 DaishiDaishi 7,55811 gold badge1313 silver badges1616 bronze badges ...
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How to get current time and date in C++?

...er date/time? – Steed Aug 24 '16 at 10:16 32 This is the worst answer possible. It makes other c+...
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How to interpolate variables in strings in JavaScript, without concatenation?

... feature has been introduced in ES2015 (ES6). Example var a = 5; var b = 10; console.log(`Fifteen is ${a + b}.`); // "Fifteen is 15. How neat is that? Bonus: It also allows for multi-line strings in javascript without escaping, which is great for templates: return ` <div class="${foo}"...
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In C#, can a class inherit from another class and an interface?

...| edited Dec 19 '13 at 23:10 Zain Rizvi 20.7k1717 gold badges7878 silver badges119119 bronze badges answ...