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How to affect other elements when one element is hovered

... display definitions in a box on the right side of the browser as my users read through my site and :hover over highlighted terms; therefore, I did not want the 'definition' element to be displayed inside the 'text' element. I almost gave up and just added javascript to my page, but this is the fut...
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

...r example by preventing extra lookups) cleaner code (fewer lines/easier to read) Often, these go hand-in-hand. speed-ups In the case of trying to find an element in a long list by: try: x = my_list[index] except IndexError: x = 'NO_ABC' the try, except is the best option when the in...
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What is the purpose of the reader monad?

The reader monad is so complex and seems to be useless. In an imperative language like Java or C++, there is no equivalent concept for the reader monad, if I am not mistaken. ...
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Invert “if” statement to reduce nesting

... This is a really nice example! The refactored code reads more like a case statement. – Otherside Nov 6 '08 at 10:36 17 ...
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Are list-comprehensions and functional functions faster than “for loops”?

...e visual complexity of the code). Chances are, if code like this isn't already fast enough when written in good non-"optimized" Python, no amount of Python level micro optimization is going to make it fast enough and you should start thinking about dropping to C. While extensive micro optimization...
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Does C# have extension properties?

...hampion but it wasn't released yet, most of all because even if there is already an implementation, they want to make it right from the start. But it will ... There is an extension members item in the C# 7 work list so it may be supported in the near future. The current status of extension propert...
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When is JavaScript synchronous?

... JavaScript is always synchronous and single-threaded. If you're executing a JavaScript block of code on a page then no other JavaScript on that page will currently be executed. JavaScript is only asynchronous in the sense that it can make, for example, Ajax calls. The A...
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What is the equivalent of MATLAB's repmat in NumPy

...le asking to manipulate the input matrix along the dimensions the matrix already has. Thus the two commands repmat(M,m,n) % matlab np.tile(M,(m,n)) # python are really equivalent for a matrix of rank 2 (two dimensions). The matters goes counter-intuitive when you ask for repetition/tiling o...
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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?

...crystal clear. The minute you add other code around that basic expression, readability and clarity begin to suffer. – artlung Jun 9 '09 at 17:54 2 ...
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Nodejs send file in response

...m that will send myfile.mp3 by streaming it from disk (that is, it doesn't read the whole file into memory before sending the file). The server listens on port 2000. [Update] As mentioned by @Aftershock in the comments, util.pump is gone and was replaced with a method on the Stream prototype called...