大约有 42,000 项符合查询结果(耗时:0.0494秒) [XML]

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Immutable vs Mutable types

... 233 What? Floats are immutable? But can't I do x = 5.0 x += 7.0 print x # 12.0 Doesn't that "mut...
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Call a function with argument list in python

... func(*args) def func2(x, y, z): print x+y+z wrapper1(func2, 1, 2, 3) wrapper2(func2, [1, 2, 3]) In wrapper2, the list is passed explicitly, but in both wrappers args contains the list [1,2,3]. share | ...
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What is the 'pythonic' equivalent to the 'fold' function from functional programming?

... | edited Sep 21 '19 at 0:30 goetzc 1,25111 gold badge2121 silver badges2828 bronze badges answered Apr ...
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TypeError: module.__init__() takes at most 2 arguments (3 given)

... answered Jan 29 '13 at 14:07 SheenaSheena 12.5k1111 gold badges6363 silver badges100100 bronze badges ...
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Reactjs: Unexpected token '

... Yuliia AshomokYuliia Ashomok 6,49311 gold badge4848 silver badges5555 bronze badges ...
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What's valid and what's not in a URI query?

...aracter must be within data. The current standard for generic URIs is RFC 3986, which has this to say: 2.2. Reserved Characters URIs include components and subcomponents that are delimited by characters in the "reserved" set. These characters are called "reserved" because they may (or may not) be...
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Unique (non-repeating) random numbers in O(1)?

... = n, max starts off at 10: +--+--+--+--+--+--+--+--+--+--+--+ | 0| 1| 2| 3| 4| 5| 6| 7| 8| 9|10| +--+--+--+--+--+--+--+--+--+--+--+ ^ max At each iteration, a random number r is selected between 0 and max, array[r] and array[max]...
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How to perform element-wise multiplication of two lists?

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Filter dataframe rows if value in column is in a set list of values [duplicate]

... 663 Use the isin method: rpt[rpt['STK_ID'].isin(stk_list)] ...
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Avoid trailing zeroes in printf()

...tf format specifiers. The closest you could get would be: printf("%.6g", 359.013); // 359.013 printf("%.6g", 359.01); // 359.01 but the ".6" is the total numeric width so printf("%.6g", 3.01357); // 3.01357 breaks it. What you can do is to sprintf("%.20g") the number to a string buffer then...