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Are loops really faster in reverse?

...it behind the curtain. The utmost overkill is to add options to forEach to select the looping algorithm.] Moreover, also for low level languages, the best practice is to use some smart library function for complex, looped operations if it is possible. Those libraries can also put things (multi-th...
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Python: Checking if a 'Dictionary' is empty doesn't seem to work

...e for statement. As a result, your code will process only one, arbitrarily selected key, if a key exists. If a key does not exist, the function will return None, which will be cast to boolean False. Ouch! All the empty dictionaries will be classified as false-nagatives. If the dictionary is not emp...
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How to rotate the background image in the container?

... fyi, it doesn't work for all elements; for example, a select can't have a :before. – Yann Dìnendal Apr 10 '15 at 14:41 1 ...
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How to get a table cell value using jQuery?

...p the class attribute with it. By the way, I think you could do it in one selector: $('#mytable .customerIDCell').each(function() { alert($(this).html()); }); If that makes things easier. share | ...
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Switch statement fallthrough in C#?

...# had not yet added any "soft" keywords (like 'yield', 'var', 'from', and 'select'), so they had three real options: 1) make 'fallthrough' a hard keyword (you cant use it as a variable name), 2) write code necessary to support such an soft keyword, 3) use already reserved keywords. #1 was a big issu...
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Things possible in IntelliJ that aren't possible in Eclipse?

...uctors SimpleTimeZone has. After Enter in Eclipse I get the previously selected constructor filled with predefined variable names. And I can see the type of every argument. With Code Recommanders Eclipse guesses the right constructor by the previously defined variable types in the current scope ...
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?

... using env gives maximum flexibility in that the user can select the interpreter to use by changing the PATH. Often this flexibility is not required though and the downside is that linux for example can't use the script name for the name of the process in ps and reverts to "python"....
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Input size vs width

...bly preferable to the inline style attribute. You still need size for <select multiple> to get the height to line up with the options properly. But I'd not use it on an <input>. share | ...
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What is the difference between Serializable and Externalizable in Java?

... We used Externalizable for large collections of "selected IDs" -- it was far more efficient externalizing as more-or-less a count & an array of primitive ints, than default serialization. That's a very simple usecase, nothing "special" or "unique". ...
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Linq order by boolean

... = from d in data orderby d.x, d.y select d; foreach (var result in query) { Console.WriteLine(result); } } } share | ...