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How do I check if a string contains another string in Objective-C?

...struct, and the documentation says that it returns the struct {NSNotFound, 0} if the "haystack" does not contain the "needle". And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device). NSString *string = @"hello bla blah"...
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Is there a difference between copy initialization and direct initialization?

...ructor is explicit, then the first one will fail. Read 8.6/14 double b1 = 0.5; double b2(0.5); This is doing the same because it's a built-in type (this means not a class type here). Read 8.6/14. A c1; A c2 = A(); A c3(A()); This is not doing the same. The first default-initializes if A is a ...
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Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000

...nt for [UIImage imageNamed:] Add $arg3 == nil condition on Simulator, $r0 == nil condition on 32-bit iPhone, or $x2 == nil on 64-bit iPhone. Run your application and see where debugger will stop. P.S. Keep in mind this also happens if image name is empty string. You can check this by adding [(N...
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JS: iterating over result of getElementsByClassName using Array.forEach

... 403 No. As specified in DOM4, it's an HTMLCollection (in modern browsers, at least. Older browsers ...
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How to echo shell commands as they are executed

... 1103 set -x or set -o xtrace expands variables and prints a little + sign before the line. set -v o...
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String to object in JS

... edited Feb 22 '14 at 19:30 answered Jul 11 '13 at 15:21 Ma...
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Is there a way to add/remove several classes in one single instruction with classList?

... – Michael Tontchev Mar 27 '17 at 4:06 1 is there a way to remove multiple classes ...
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What does “error: option --single-version-externally-managed not recognized” indicate?

...| edited Oct 28 '17 at 22:05 ADTC 6,85422 gold badges5252 silver badges8080 bronze badges answered Mar 6...
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Stacking Divs from Bottom to Top

...n) .wrapper { display: table-cell; vertical-align: bottom; height: 200px; } .content { max-height: 200px; overflow: auto; } html <div class="wrapper"> <div class="content"> <div>row 1</div> <div>row 2</div> <div>row 3</div&g...
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Finding the max/min value in an array of primitives using Java

... answered Sep 28 '09 at 8:43 Michael RutherfurdMichael Rutherfurd 12.2k44 gold badges2424 silver badges4040 bronze badges ...