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receiver type *** for instance message is a forward declaration

...2 steps Apple defined on this diagram: Example: Error shows up in your Test.m file: Receiver 'MyClass' for class message is a forward declaration Step 1: check that Test.h has @class MyClass; Step 2: find *-Swift.h file name in Build Settings (look for Objective-C Generated Interface H...
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Grabbing the href attribute of an A element

...*=\s*['\"](.*?)['\"]/", $str, $res); var_dump($res); ?> then $ php test.php array(2) { [0]=> array(1) { [0]=> string(27) "<a title="this" href="that"" } [1]=> array(1) { [0]=> string(4) "that" } } which works. I've just removed the first capture b...
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In .NET, which loop runs faster, 'for' or 'foreach'?

... Reading through the blog post it looks like the tests were run in Debug and not Release so that might have a factor. Additionally the difference is specifically for just the loop overhead. It doesn't affect the time to execute the body of the loop at all which is most ca...
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How to compare if two structs, slices or maps are equal?

... Yes exactly! When writing tests, it's very important to use go-cmp and not reflect. – Kevin Minehart Sep 19 '17 at 1:01 ...
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How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?

... I ran into this while testing on a new Xoom. I had previously installed my app from the Marketplace. Later while trying to test a new version of the app I ran into this error. I fixed it by removing the app that was installed via Marketplace (jus...
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Idiomatic way to convert an InputStream to a String in Scala

...lease point out the "performance bug" that you mentioned in your answer. I tested both versions with some basic testcases and didn't hit any issue. – Sahil Sareen Sep 15 '15 at 16:11 ...
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Why use a ReentrantLock if one can use synchronized(this)?

...gher contention. You can read more about this here. This claim has been contested, however; see the following comment: In the reentrant lock test, a new lock is created each time, thus there is no exclusive locking and the resulting data is invalid. Also, the IBM link offers no source code for the ...
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Check substring exists in a string in C

... strstr returns a pointer; I like being explicit when I test for pointers. – nneonneo Oct 8 '12 at 15:31 3 ...
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Is it possible to force ignore the :hover pseudoclass for iPhone/iPad users?

...sted using Modernizr already, well Modernizr allows you to create your own tests. What I'm basically doing here is 'abstracting' the idea of a browser that supports :hover into a Modernizr test that I can use throughout my code without hardcoding if (iOS) throughout. Modernizr.addTest('workinghov...
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Rails: Check output of path helper from console

... Chubas' comment above worked in Rails 3. This is very useful when writing tests so I don't have to wait 1 minute to find out that the route is not correct. Also, it is great to test get and post calls. You don't need to call app.get first. – B Seven Aug 17 '11...