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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f

... Your view controller may have the wrong class in your xib. I downloaded your project. The error you are getting is 'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.' ...
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When to use Comparable and Comparator

...ire a comparator, at which point the implementation of comparable may slow down users of the class, not speed them up. share | improve this answer | follow | ...
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Throw keyword in function's signature

... your program senseless too, most of the time. That's just what it comes down to, you probably just will end up with a call to terminate() and your program dying a quick but painful death. The GOTWs conclusion is: So here’s what seems to be the best advice we as a community have learned as ...
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When to use volatile with multi threading?

...it into cache for this thread's stores, not doing any explicit flushing. (https://preshing.com/20120913/acquire-and-release-semantics/ and https://preshing.com/20120710/memory-barriers-are-like-source-control-operations/). (And an acquire-load means ordering access to cache in the other core). A ...
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var functionName = function() {} vs function functionName() {}

...ich is still relatively long, and not supported in the strict mode.) Deep down, JavaScript treats both statements differently. This is a function declaration: function abc(){} abc here is defined everywhere in the current scope: // We can call it here abc(); // Works // Yet, it is defined down...
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float:left; vs display:inline; vs display:inline-block; vs display:table-cell;

...suck-- for example, the table-cell concept. In all reality, yes, it boils down to personal preference. One technique you could use to get rid of white space would be to set a font-size of 0 to the parent, then give the font-size back to the children, although that's a hassle, and gross. ...
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How to reuse existing C# class definitions in TypeScript projects

...sual Studio 2015, but it works really well. Its not 100% and I had to dumb down some code -- converting foreach into for loops, writing my own List<T> class, for example, and you have to structure you code so its 'pure' with only internal data structures to work with, but it was a small price ...
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When to use enumerateObjectsUsingBlock vs. for

...aster... or thread-safe. (another common misconception). The choice comes down to personal preference. For me, the idiomatic and readable option wins. In this case, that is Fast Enumeration using for-in. Benchmark: NSMutableArray *arr = [NSMutableArray array]; for (int i = 0; i < 100; i++) { ...
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Determining the last changelist synced to in Perforce

...in the Dashboard. Then go to the History tab (View->History) and scroll down to the number noted previously. The number just below that number is the number of your current changelist. share | i...
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Associating enums with strings in C#

... Only down side I can come up with is that it would be a tiny bit slower, but this would in most cases be neglectable. And it wouldn't have the exact same behaviour in the editor. E.G.: switching over this one wouldn't automaticall...