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How to intercept click on link in UITextView?

...View shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange *NS_DEPRECATED_IOS(7_0, 10_0, "Use textView:shouldInteractWithURL:inRange:forInteractionType: instead");* to intercept the clicks to links. And this is the best way to do it. For ios6 and earlier a nice way to do this is to b...
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Extract subset of key-value pairs from Python dictionary object?

... If you're using Python 3, and you only want keys in the new dict that actually exist in the original one, you can use the fact to view objects implement some set operations: {k: bigdict[k] for k in bigdict.keys() & {'l', 'm', 'n'}} ...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

...rogramming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch). 33 Answer...
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How can the Euclidean distance be calculated with NumPy?

... There's a function for that in SciPy. It's called Euclidean. Example: from scipy.spatial import distance a = (1, 2, 3) b = (4, 5, 6) dst = distance.euclidean(a, b) share | ...
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design a stack such that getMinimum( ) should be O(1)

... EDIT: This fails the "constant space" constraint - it basically doubles the space required. I very much doubt that there's a solution which doesn't do that though, without wrecking the runtime complexity somewhere (e.g. making push/pop O(n)). Note that this doesn't change the complex...
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How to find keys of a hash?

... There is function in modern JavaScript (ECMAScript 5) called Object.keys performing this operation: var obj = { "a" : 1, "b" : 2, "c" : 3}; alert(Object.keys(obj)); // will output ["a", "b", "c"] Compatibility details can be found here. On the Mozilla site there is also a sn...
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How to call a parent class function from derived class function?

...disambiguate it by adding the base class's name followed by two colons base_class::foo(...). You should note that unlike Java and C#, C++ does not have a keyword for "the base class" (super or base) since C++ supports multiple inheritance which may lead to ambiguity. class left { public: void f...
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Trim spaces from end of a NSString

...substringWithRange:NSMakeRange(location, i - location)]; } So now just call it. Supposing you have a string that has spaces on the front and spaces on the end and you just want to remove the spaces on the end, you can call it like this: NSString *oneTwoThree = @" TestString "; NSString *resul...
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Creating a daemon in Linux

...where it was started + a newline. Daemons work in the background and (usually...) don't belong to a TTY that's why you can't use stdout/stderr in the way you probably want. Usually a syslog daemon (syslogd) is used for logging messages to files (debug, error,...). Besides that, there are a few re...
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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?

...e special [[Get]] internal method defined below. b. Return the result of calling the get internal method using base as its this value, and passing GetReferencedName(V) for the argument Or in other words, a string has a primitive base, which calls back the internal get method and ends up looking ...