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File input 'accept' attribute - is it useful?

...s, it helps narrow down the results for users by default, so they can get exactly what they're looking for without having to sift through a hundred different file types. Usage Note: These examples were written based on the current specification and may not actually work in all (or any) browsers. T...
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How do I represent a hextile/hex grid in memory?

Say I'm building a board game with a hextile grid, like Settlers of Catan : 9 Answers ...
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Get unique values from a list in python [duplicate]

...eginning, instead of a list. Then your code should be: output = set() for x in trends: output.add(x) print(output) As it has been pointed out, sets do not maintain the original order. If you need that, you should look for an ordered set implementation (see this question for more). ...
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting

...to compare which line describes it best (polynomials of different orders, exponential or logarithmic). 7 Answers ...
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How does Zalgo text work?

I've seen weirdly formatted text called Zalgo like below written on various forums. It's kind of annoying to look at, but it really bothers me because it undermines my notion of what a character is supposed to be. My understanding is that a character is supposed to move horizontally across a line an...
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javascript: recursive anonymous function?

...at's a fairly old comment; some/many/all of the problems described in Kangax's blog post may be fixed in more modern browsers.) When you give a name like that, the name is not visible outside the function (well, it's not supposed to be; that's one of the weirdnesses). It's like "letrec" in Lisp. ...
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Why does this go into an infinite loop?

...va code using the first MutableInt class I found on Google to sort of approximate what ref does in C#. I can't really tell if that helps or hurts the answer. I will say that I personally haven't done all that much Java development; so for all I know there could be much more idiomatic ways to illustr...
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Is there a difference between x++ and ++x in java?

Is there a difference between ++x and x++ in java? 16 Answers 16 ...
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How to change Git log date formats

...an change the second line to format that timestamp however you want. This example gives you something similar to --date=local, with a padded day. And if you want permanent effect without typing this every time, try git config log.date iso Or, for effect on all your git usage with this account...
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Add column with constant value to pandas dataframe [duplicate]

... The reason this puts NaN into a column is because df.index and the Index of your right-hand-side object are different. @zach shows the proper way to assign a new column of zeros. In general, pandas tries to do as much alignment of indices as possible. One downside is that when indi...