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How can I time a code segment for testing performance with Pythons timeit?
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Rather than select a clock by hand, use timeit.default_timer; Python has already done the work for you. But really, you should use timeit.timeit(myfast, number=n) instead of re-inventing the repetitive call wheel (and miss the fact that ...
How to generate all permutations of a list?
....permutations([1,2,3], r=2), which will generate all possible permutations selecting 2 elements: [(1, 2), (1, 3), (2, 1), (2, 3), (3, 1), (3, 2)]
– toto_tico
Aug 24 '17 at 8:49
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The SMTP server requires a secure connection or the client was not authenticated. The server respons
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this should be the selected answer
– thatOneGuy
Aug 13 '15 at 14:44
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Emacs - Multiple columns one buffer
...sible in one window and into the portion visible in the other window, that selects the other window—again, treating the two as if they were parts of one large window.
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How can I convert spaces to tabs in Vim or Linux?
...mely rare race condition. Anyway, create a function accepting visual-range selection and iterate search function until no match found, I guess that would be a more clever and useful answer.
– albfan
Aug 30 '15 at 9:56
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AWS S3: how do I see how much disk space is using
...o find out size of S3 bucket using AWS Console:
Click the S3 bucket name
Select "Management" tab
Click "Metrics" navigation button
By default you should see Storage metric of the bucket
Hope this helps.
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Detect IF hovering over element with jQuery
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Original (And Correct) Answer:
You can use is() and check for the selector :hover.
var isHovered = $('#elem').is(":hover"); // returns true or false
Example: http://jsfiddle.net/Meligy/2kyaJ/3/
(This only works when the selector matches ONE element max. See Edit 3 for more)
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Edit 1 (...
How to read data from a zip file without having to unzip the entire file
...ression, Generally, you can make simple parsing of such entries in stream, select needed file, copy header + compressed file data to other file, and call unzip on that part (if you don't want to deal with the whole Zip decompression code or library).
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django: BooleanField, how to set the default value to true?
...ou want to dynamically choose at runtime whether or not your field will be selected by default, you can use the initial parameter to the form when you initialize it:
form = MyForm(initial={'my_field':True})
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UIButton won't go to Aspect Fit in iPhone
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This method worked for me very well.:
In Xib select the button and set user defined runtime attributes:
Key path: self.imageView.contentMode
Type: Number
Value: 1
We use number because you cant use enum there. But the UIViewContentModeScaleAspectFit is equal to...