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What does -> mean in Python function definitions?

...butes to validate called values: def validate(func, locals): for var, test in func.__annotations__.items(): value = locals[var] try: pr=test.__name__+': '+test.__docstring__ except AttributeError: pr=test.__name__ msg = '{}=={}; Test: ...
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How to check if one DateTime is greater than the other in C#

...ent, but when using the accepted answer, it did not fulfill all of my unit tests. The issue for me is when you have a new object, with Start and End dates and you have to set the Start date ( at this stage your End date has the minimum date value of 01/01/0001) - this solution did pass all my unit t...
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JavaScript function similar to Python range()

... +1 Great idea! Could you implement also step argument and test it on the values from my answer? Your answer is great for the applications where we have very specific browsers in mind (it won't work in Google Chrome, Safari and IE version earlier than 9: stackoverflow.com/a/2209743/5...
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How to use single storyboard uiviewcontroller for multiple subclass

...class. I should preface the answer with the proviso that, although I have tested it in various scenarios and received no errors, I can't ensure that it will cope with more complex set ups (but I see no reason why it shouldn't work). Also, I have not submitted any apps using this method, so there i...
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Simplest/Cleanest way to implement singleton in JavaScript?

...eclaring variables at the module scope: // my-singleton.js const somePrivateState = [] function privateFn () { // ... } export default { method1() { // ... }, method2() { // ... } } Then you can simply import the singleton object to use it: import myInstance from './my-single...
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Why do assignment statements return a value?

...tanding is 100% incorrect." -- While the OP's use of English isn't the greatest, his/her "understanding" is about what should be the case, making it an opinion, so it isn't the sort of thing than can be "100% incorrect". Some language designers agree with the OP's "should", and make assignments have...
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How to write a CSS hack for IE 11? [duplicate]

...ype html> <html> <head> <title>IE10/11 Media Query Test</title> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <style> @media all and (-ms-high-contrast:none) { .foo { color: green } /* IE10 */ *::...
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How do you convert a byte array to a hexadecimal string, and vice versa?

...of the various conversion methods through some crude Stopwatch performance testing, a run with a random sentence (n=61, 1000 iterations) and a run with a Project Gutenburg text (n=1,238,957, 150 iterations). Here are the results, roughly from fastest to slowest. All measurements are in ticks (10,000...
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How to find list of possible words from a letter matrix [Boggle Solver]

... The fastest solution you're going to get will probably involve storing your dictionary in a trie. Then, create a queue of triplets (x, y, s), where each element in the queue corresponds to a prefix s of a word which can be spelled ...
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Rails layouts per action?

...trollers in many levels. I have used method before, but wasn't thinking of testing that when I had the problem now, thanks again. – 244an Oct 1 '15 at 15:07 ...