大约有 42,000 项符合查询结果(耗时:0.0360秒) [XML]

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Python 3 turn range to a list

... 235 You can just construct a list from the range object: my_list = list(range(1, 1001)) This is ...
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Apply pandas function to column to create multiple new columns?

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How to write loop in a Makefile?

...by your use of ./a.out, you're on a UNIX-type platform. for number in 1 2 3 4 ; do \ ./a.out $$number ; \ done Test as follows: target: for number in 1 2 3 4 ; do \ echo $$number ; \ done produces: 1 2 3 4 For bigger ranges, use: target: number=1 ; while [[ $$number...
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Delete specific line number(s) from a text file using sed?

... 384 If you want to delete lines 5 through 10 and 12: sed -e '5,10d;12d' file This will print th...
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Python __str__ versus __unicode__

... method: def __str__(self): return unicode(self).encode('utf-8') In 3.0, str contains characters, so the same methods are named __bytes__() and __str__(). These behave as expected. share | im...
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?

...e cited from §15.26.2 [...] the following code is correct: short x = 3; x += 4.6; and results in x having the value 7 because it is equivalent to: short x = 3; x = (short)(x + 4.6); In other words, your assumption is correct. ...
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What's the difference between “Layers” and “Tiers”?

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count the frequency that a value occurs in a dataframe column

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How to compare software version number using js? (only number)

... 138 The basic idea to make this comparison would be to use Array.split to get arrays of parts from ...
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What is the most “pythonic” way to iterate over a list in chunks?

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