大约有 47,000 项符合查询结果（耗时：0.0541秒） [XML]
Do try/catch blocks hurt performance when exceptions are not thrown?
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Anatoliy Nikolaev
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answered Aug 20 '09 at 20:02
Ben MBen M
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how to change default python version?
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Santosh Kumar
20.8k1717 gold badges5757 silver badges9898 bronze badges
answered May 1 '11 at 3:13
ninjageckoninjag...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
....example.org/a file with spaces.html")
to get:
http://www.example.org/a%20file%20with%20spaces.html
Don't call encodeURIComponent since it would destroy the URL and return
http%3A%2F%2Fwww.example.org%2Fa%20file%20with%20spaces.html
encodeURIComponent()
Use encodeURIComponent when you want ...
Encode URL in JavaScript?
...like %uxxx.
– opteronn
Mar 5 '10 at 20:10
4
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Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
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answered Oct 20 '09 at 5:43
Alex MartelliAlex Martelli
724k148148 gold badges11261126 silver badges13241324 bronze badges
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What are the mathematical/computational principles behind this game?
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Tobias Kienzler
20.3k2121 gold badges105105 silver badges197197 bronze badges
answered Jun 5 '11 at 1:10
ypercubeᵀ...
Iterating through a list in reverse order in java
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edited Jan 20 '10 at 15:54
answered Jan 20 '10 at 15:34
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What is the best way to compute trending topics or tags?
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>>> zscore(12, [2, 4, 4, 4, 5, 5, 7, 9])
3.5
>>> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20])
0.0739221270955
>>> zscore(20, [21, 22, 19, 18, 17, 22, 20, 20, 1, 2, 3, 1, 2, 1, 0, 1])
1.00303599234
>>> zscore(2, [21, 22, 19, 18, 17, 22, 20, 20, 1, 2, 3, 1, 2, 1, 0...
iOS 7 status bar back to iOS 6 default style in iPhone app?
...ed in #4), the UINavigationController will draw your image in the frame (0,20,320,44), leaving 20 points of opaque black space above your custom image. This may confuse you into thinking you are a clever developer who bypassed rule #1, but you are mistaken. The navigation bar is still 64 points tall...