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Initializing a member array in constructor initializer
...?
A mem-initializer uses direct initialization. And the rules of clause 8 forbid this kind of thing. I'm not exactly sure about the following case, but some compilers do allow it.
struct A {
char foo[6];
A():foo("hello") { } /* valid? */
};
See this GCC PR for further details.
Do C++...
Access multiple elements of list knowing their index
..., which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is:
9 Answers
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Accessing last x characters of a string in Bash
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edited May 23 '17 at 12:18
Community♦
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answered Nov 8 '13 at 12:03
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How to make a flat list out of list of lists?
...e in the standard library:
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' '[item for sublist in l for item in sublist]'
10000 loops, best of 3: 143 usec per loop
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' 'sum(l, [])'
1000 loops, best of 3: 969 usec per loop
$ python -mtimei...
Disable ALL CAPS menu items in Visual Studio 2013
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368
Yes - in the new Visual Studio 2013 (as in VS 2012), MS reinforced their design decision to make...
git: Show index diff in commit message as comment
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Alan Haggai AlaviAlan Haggai Alavi
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Is it possible to have multiple statements in a python lambda expression?
...d in the heapq module.
>>> import heapq
>>> l = [5,2,6,8,3,5]
>>> heapq.nsmallest(l, 2)
[2, 3]
So just use:
map(lambda x: heapq.nsmallest(x,2)[1], list_of_lists)
It's also usually considered clearer to use a list comprehension, which avoids the lambda altogether:
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List comprehension rebinds names even after scope of comprehension. Is this right?
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answered Nov 16 '10 at 21:48
Steven RumbalskiSteven Rumbalski
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How to un-escape a backslash-escaped string?
... ChristopheDChristopheD
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9
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Override Python's 'in' operator?
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edited Sep 18 '15 at 8:08
Holt
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a...