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GMSGroundOverlay animating - should I be using a CATiledLayer?

...ion.duration = duration; CAAnimationGroup *group = [[CAAnimationGroup alloc] init]; group.animations = @[horizontalAnimation, verticleAnimation]; group.duration = duration; group.repeatCount = HUGE_VALF; [marker.layer addAnimation:group forKey:[NSString stringWithFormat:@"circul...
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C++ display stack trace on exception

...)-ed char** symbollist = backtrace_symbols(addrlist, addrlen); // allocate string which will be filled with the demangled function name size_t funcnamesize = 256; char* funcname = (char*)malloc(funcnamesize); // iterate over the returned symbol lines. skip the first, it is the ...
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How to set UICollectionViewDelegateFlowLayout?

...ViewFlowLayout(), self.collectionViewLayout = [[UICollectionViewFlowLayout alloc]init] – Daishi Nakajima Mar 19 '16 at 7:30 add a comment  |  ...
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Java: Detect duplicates in ArrayList?

... Would it be more efficient to tell the HashSet how much space to allocate: Set<T> set = new HashSet<T>(list.size());? Given a List parameter I think it is more efficient if it is common for the list to not contain duplicates. – Paul Jackson ...
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“unrecognized selector sent to instance” error in Objective-C

... you're not memory managing the view controller properly and it is being deallocated at some point - which causes the numberButtonClicked: method to be sent to another object that is now occupying the memory that the view controller was previously occupying... Make sure you're properly retaining/re...
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How can I randomize the lines in a file using standard tools on Red Hat Linux?

...to process (much, much longer than with shuf), no matter how much memory I allocated. – mklement0 May 8 '15 at 23:00 1 ...
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What exactly are “spin-locks”?

...als), making statically dispatched calls into any code one doesn't own, or allocating memory. It's also important to note that SpinLock is a value type, for performance reasons. As such, one must be very careful not to accidentally copy a SpinLock instance, as the two instances (the original and the...
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What is this Javascript “require”?

... The equivalent in PHP would be include/require[_once] (php.net link), not use, which is an aliasing keyword. – nevvermind Apr 2 '19 at 12:39 ...
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Generic List - moving an item within the list

... should remove before inserting ... your order may cause the list to do an allocation. – Jim Balter Nov 6 '18 at 15:47 ...
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How do I convert a hexadecimal color to rgba with the Less compiler?

... This hasn't been updated for a while but with Less PHP I am getting the following error - @colorGold: color('#C6AF87'); .box { background-color: rgba(red(@colorGold),green(@colorGold),blue(@colorGold),0.3); } Error is - Could not compile CSS file (screen.less): co...