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Is “else if” a single keyword?

...er to Can you start a class name with a numeric digit? that spaces are not allowed in identifiers and so therefore else if can not be a single keyword but must be two separate keywords. share | impr...
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Does use of final keyword in Java improve the performance?

... Usually not. For virtual methods, HotSpot keeps track of whether the method has actually been overridden, and is able to perform optimizations such as inlining on the assumption that a method hasn't been overridden - until it lo...
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Add spaces before Capital Letters

... (I even voted up Martin Browns answer), but they are expensive (and personally I find any pattern longer than a couple of characters prohibitively obtuse) This function string AddSpacesToSentence(string text, bool preserveAcronyms) { if (string.IsNullOrWhiteSpace(text)) return...
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Two way/reverse map [duplicate]

... 1 >>> del d['foo'] >>> d['bar'] Traceback (most recent call last): File "<stdin>", line 7, in <module> KeyError: 'bar' I'm sure I didn't cover all the cases, but that should get you started. ...
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Getting distance between two points based on latitude/longitude

...just on answering the specific bug OP ran into. It's because in Python, all the trig functions use radians, not degrees. You can either convert the numbers manually to radians, or use the radians function from the math module: from math import sin, cos, sqrt, atan2, radians # approximate radiu...
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Python: Get relative path from comparing two absolute paths

...ou can even handle more than two paths, with this method, and test whether all the paths are all below one of them. PS: depending on how your paths look like, you might want to perform some normalization first (this is useful in situations where one does not know whether they always end with '/' or...
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Collapse sequences of white space into a single character and trim string

...low, because it creates a new object for every substring and sends method calls to each of them. – Georg Schölly Jun 23 '11 at 18:55 2 ...
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How do I detect a click outside an element?

...instead of the jQuery part. But element.closest() is now also available in all major browsers (the W3C version differs a bit from the jQuery one). Polyfills can be found here: Element.closest() Edit – 2020-05-21 In the case where you want the user to be able to click-and-drag inside the element, t...
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How to get current route in Symfony 2?

... not a route. As such, Symfony doesn't know what route that is for. Typically, you have one route to one controller, so it may seem weird that this can't report anything besides "_internal", however, it is possible to create general-purpose controllers that get associated with more than one route ...
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How to output a multiline string in Bash?

How can I output a multipline string in Bash without using multiple echo calls like so: 7 Answers ...