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How to deep copy a list?
...], [4, 5, 6]]
>>> b
[[1, 2, 3], [4, 5, 6]]
>>> a[0][1] = 10
>>> a
[[1, 10, 3], [4, 5, 6]]
>>> b # b changes too -> Not a deepcopy.
[[1, 10, 3], [4, 5, 6]]
Now see the deepcopy operation
>>> import copy
>>> b = copy.deepcopy(a)
>>>...
How to sort with a lambda?
...ou understand my confusion. I think it might be something weird with my VC10 Express (no service pack). I moved the project onto a machine with Visual Studio 2010 Team and it worked without the "-> bool".
– BTR
Feb 26 '11 at 0:59
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How to calculate the angle between a line and the horizontal axis?
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answered Sep 28 '11 at 16:10
Peter O.Peter O.
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Where IN clause in LINQ [duplicate]
...
10
this will compare string values, but what about ids??
– Jitendra Pancholi
Feb 22 '13 at 7:32
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Create a dictionary on a list with grouping
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Dov
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answered Jun 2 '09 at 5:56
Prashant Cholachagu...
Binding a Button's visibility to a bool value in ViewModel
... |
edited Dec 24 '13 at 10:12
gordonmleigh
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answ...
C/C++ 如何向上取整？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...floor(x)返回的是小于或等于x的最大整数。
如： floor(10.5) == 10 floor(-10.5) == -11
使用ceil函数。ceil(x)返回的是大于x的最小整数。
如： ceil(10.5) == 11 ceil(-10.5) ==-10
floor()是向负无穷大舍入，floor(-10.5) == -11
ceil()是向正无穷...
awk without printing newline
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answered Jan 7 '10 at 16:56
CodeRainCodeRain
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Why is GHC so large/big?
...erence, etc.
– mcandre
Feb 8 '11 at 10:10
4
So, 113MB / 4 ~= 28MB, still bigger than OpenJRE... B...
How to print a date in a regular format?
...ntation, or McCutchen's quick reference you can't know them all.
Since PEP3101, every object can have its own format used automatically by the method format of any string. In the case of the datetime, the format is the same used in
strftime. So you can do the same as above like this:
print "We are t...