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Handling Touch Event in UILabel and hooking it up to an IBAction

...= YES; UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(labelTap)]; [label addGestureRecognizer:tapGesture]; The trick is to enable user interaction. ...
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Clean ways to write multiple 'for' loops

... 0, 0, 0, 0, 0, 0, 0, 0, } Also this will not work for pointers (arrays allocated in heap). share | improve this answer | follow | ...
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How does Stack Overflow generate its SEO-friendly URLs?

... string. That is, we never want “my-slug-”. This means an extra string allocation to remove it on this edge case. I’ve worked around this by delay-hyphening. If you compare my code to Jeff’s the logic for this is easy to follow. His approach is purely lookup based and missed a lot of charact...
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What is the difference between lock and Mutex?

...s really a shortcut to the Monitor class, on the other hand tries to avoid allocating kernel resources and transitioning to kernel code (and is thus leaner & faster - if one has to find a WinAPI construct that it resembles, it would be CriticalSection). The other difference is what others point...
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How to see if an NSString starts with a certain other string?

...X", @"Y", @"Z", nil]; NSMutableArray *sectionArray = [[NSMutableArray alloc] init]; for (NSString *character in alphaArray) { if ([self stringPrefix:character isInArray:self.depNameRows]) { [sectionArray addObject:character]; } } return sectionArray...
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What is Weak Head Normal Form?

...o enable memory stats with :set +s. You can then see that foldl' f ends up allocating more thunks than foldl' f'. – hammar Jun 2 '17 at 15:34 ...
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c++11 Return value optimization or move? [duplicate]

... into the data type directly as values rather than hidden behind freestore allocations that allow STL optimizations to obscure the move. (It might be a good change to make to that cppreference.com page, to more directly illustrate value-based moves and copy/move elision.) – Ad...
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Should __init__() call the parent class's __init__()?

...behaviour) and destructors because they parallel constructors (e.g. in the allocation of resources, e.g. database connections). But the same might apply, say, to the render() method of a widget. Further update: What's the OPP? Do you mean OOP? No - a subclass often needs to know something about the...
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How do I determine the target architecture of static library (.a) on Mac OS X?

...cutable ppc Example with archive: logan:/Users/logan% file /usr/lib/libMallocDebug.a /usr/lib/libMallocDebug.a: Mach-O universal binary with 2 architectures /usr/lib/libMallocDebug.a (for architecture i386): current ar archive random library /usr/lib/libMallocDebug.a (for architecture ppc): ...
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Add spaces before Capital Letters

... @PandaWood you could but it would require another memory allocation and string copy. That said if performance is a worry a Regex is probably not the best way to go anyhow. – Martin Brown Nov 22 '14 at 9:02 ...