大约有 47,000 项符合查询结果(耗时:0.0490秒) [XML]

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Is there a way to pass optional parameters to a function?

... The Python 2 documentation, 7.6. Function definitions gives you a couple of ways to detect whether a caller supplied an optional parameter. First, you can use special formal parameter syntax *. If the function definition has a formal p...
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How would you make two s overlap?

... natural layout */ left: 75px; top: 0px; width: 300px; height: 200px; z-index: 2; } #content { margin-top: 100px; /* Provide buffer for logo */ } #links { height: 75px; margin-left: 400px; /* Flush links (with a 25px "padding") right of logo */ } <div id="logo"> ...
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Omitting the first line from any Linux command output

... 22 or awk 'NR>1' – mitchus Oct 1 '14 at 9:54 ...
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Split list into multiple lists with fixed number of elements

... 214 I think you're looking for grouped. It returns an iterator, but you can convert the result to ...
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From ND to 1D arrays

... 283 Use np.ravel (for a 1D view) or np.ndarray.flatten (for a 1D copy) or np.ndarray.flat (for an ...
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Difference between numpy.array shape (R, 1) and (R,)

... how to interpret the data buffer. For example, if we create an array of 12 integers: >>> a = numpy.arange(12) >>> a array([ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]) Then a consists of a data buffer, arranged something like this: ┌────┬────┬──...
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Best way to find the intersection of multiple sets?

... From Python version 2.6 on you can use multiple arguments to set.intersection(), like u = set.intersection(s1, s2, s3) If the sets are in a list, this translates to: u = set.intersection(*setlist) where *a_list is list expansion Note that...
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Convert list to tuple in Python

... Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges answered Oct 11 '12 at 9:15 rootroot ...
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Write bytes to file

I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example, ...
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Grep regex NOT containing string

... answered May 2 '12 at 10:10 beerbajaybeerbajay 16.2k44 gold badges4848 silver badges7070 bronze badges ...