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List comprehension vs. lambda + filter

...able (value). That is slower than accessing a local variable and in Python 2.x the list comprehension only accesses local variables. If you are using Python 3.x the list comprehension runs in a separate function so it will also be accessing value through a closure and this difference won't apply. T...
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How do you do a simple “chmod +x” from within python?

... 201 Use os.stat() to get the current permissions, use | to or the bits together, and use os.chmod(...
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How to change Android Studio's editor font?

... 142 All you have to do is click the "Save As" button to create a new profile. You can't change the f...
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Batch script: how to check for admin rights

... 27 Answers 27 Active ...
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Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh

... answered Jul 2 '10 at 20:18 matt bmatt b 130k6262 gold badges265265 silver badges330330 bronze badges ...
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Creating a new column based on if-elif-else condition

... passing in the axis=1 option: In [1]: df['C'] = df.apply(f, axis=1) In [2]: df Out[2]: A B C a 2 2 0 b 3 1 1 c 1 3 -1 Of course, this is not vectorized so performance may not be as good when scaled to a large number of records. Still, I think it is much more readable. Especially c...
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Stack smashing detected

... | edited Oct 25 '15 at 0:11 Demi 3,05611 gold badge2626 silver badges3232 bronze badges ans...
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How can I represent an infinite number in Python?

...d out, x is also infinity or "nan" ("not a number"). Additionally (Python 2.x ONLY), in a comparison to Ellipsis, float(inf) is lesser, e.g: float('inf') < Ellipsis would return true. share | ...
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Mocking a class: Mock() or patch()?

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Less aggressive compilation with CSS3 calc

...ession inside calc by default since v3.00. Original answer (Less v1.x...2.x): Do this: body { width: calc(~"100% - 250px - 1.5em"); } In Less 1.4.0 we will have a strictMaths option which requires all Less calculations to be within brackets, so the calc will work "out-of-the-box". This is an ...