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Clean ways to write multiple 'for' loops
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edited Jan 10 '14 at 11:57
hansmaad
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an...
Test if lists share any items in python
...="a=list(range(1000));b=list(range(1000))", number=100000)
26.077727576019242
>>> timeit('any(i in a for i in b)', setup="a=list(range(1000));b=list(range(1000))", number=100000)
0.16220548999262974
Here's a graph of the execution time for this example in function of list size:
Note th...
Design Patterns: Abstract Factory vs Factory Method
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134
Hope this helps. It describes the various types of factories. I used Head First Design Patterns ...
周鸿祎创业以来的“六大战役” 酷派会是最后一战 - 资讯 - 清泛网 - 专注C/...
...等职务。1998年10月，创建北京三七二一科技有限公司，2004年1月，雅虎出资1.2亿美金购买了香港3721公司，2004年3月，周鸿袆就任雅虎总裁，全面负责雅虎及3721公司的战略制定与执行。2005年8月，周鸿祎在执掌雅虎中国18个月后功...
Surrogate vs. natural/business keys [closed]
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answered Sep 15 '08 at 14:48
TedTed
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Combining two expressions (Expression)
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345
Well, you can use Expression.AndAlso / OrElse etc to combine logical expressions, but the probl...
Can you change what a symlink points to after it is created?
....txt ln -s -f .bash_aliases test
$ grep -C3 ^unlink /tmp/output.txt
lstat64("test", {st_mode=S_IFLNK|0777, st_size=7, ...}) = 0
stat64(".bash_aliases", {st_mode=S_IFREG|0644, st_size=2043, ...}) = 0
symlink(".bash_aliases", "test") = -1 EEXIST (File exists)
unlink("test") ...
Difference between __getattr__ vs __getattribute__
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Ned BatchelderNed Batchelder
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Is there any significant difference between using if/else and switch-case in C#?
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348
SWITCH statement only produces same assembly as IFs in debug or compatibility mode. In release,...
How can I capitalize the first letter of each word in a string?
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1042
The .title() method of a string (either ASCII or Unicode is fine) does this:
>>> "hell...