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What do (lambda) function closures capture?
...e a new scope each time you create the lambda:
>>> adders = [0,1,2,3]
>>> for i in [0,1,2,3]:
... adders[i] = (lambda b: lambda a: b + a)(i)
...
>>> adders[1](3)
4
>>> adders[2](3)
5
The scope here is created using a new function (a lambda, for brevity...
HTML: How to create a DIV with only vertical scroll-bars for long paragraphs?
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240
Use overflow-y. This property is CSS 3.
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Fast way to get image dimensions (not filesize)
...more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obviously reads the images as a whole first.
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CFBundleVersion in the Info.plist Upload Error
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210
There's at least 1 known bug in Apple's upload server that they've not fixed for more than 12 ...
Group by with multiple columns using lambda
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258
var query = source.GroupBy(x => new { x.Column1, x.Column2 });
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Python Sets vs Lists
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236
It depends on what you are intending to do with it.
Sets are significantly faster when it com...
C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...opy过去编译和调试，我把代码列在下面：
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#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char...
What regular expression will match valid international phone numbers?
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23 Answers
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Active
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Version number comparison in Python
... then compare the lists of numbers.
import re
def mycmp(version1, version2):
def normalize(v):
return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")]
return cmp(normalize(version1), normalize(version2))
This is the same approach as Pär Wieslander, but a bit more compact:
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Multi-line commands in GHCi
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answered Dec 9 '11 at 8:52
Nicolas WuNicolas Wu
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