大约有 48,000 项符合查询结果（耗时：0.0566秒） [XML]
Why are my basic Heroku apps taking two seconds to load?
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answered Apr 9 '10 at 9:21
clyfeclyfe
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How to safely open/close files in python 2.4
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answered Sep 22 '10 at 14:40
Jon-EricJon-Eric
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Rails check if yield :area is defined in content_for
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edited Mar 10 '16 at 15:15
wintermeyer
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What is the optimal Jewish toenail cutting algorithm?
...like your original algorithm best.
Since 14 out of 120 permutations work, 106 out of 120 do not. So each check has a 106/120 chance of failing.
That means the expected number of failures is:
1*(106/120) + 2*(106/120)^2 + 3*(106/120)^3 + ...
Not too hard to sum this infinite series:
S = ...
Is there a perfect algorithm for chess? [closed]
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105
"I argued that there could not exist a deterministic Turing machine that always won or stalema...
Select rows of a matrix that meet a condition
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answered Jun 10 '15 at 19:20
mavez DABASmavez DABAS
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php: determine where function was called from
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answered Jun 2 '10 at 19:15
romacromac
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How can I install Apache Ant on Mac OS X?
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answered Jul 11 '10 at 12:09
Michael Aaron SafyanMichael Aaron Safyan
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Why a function checking if a string is empty always returns true? [closed]
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edited Jan 10 '12 at 21:35
axel22
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Trim last character from a string
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answered Aug 26 '10 at 8:25
Damian Leszczyński - VashDamian Leszczyński - Vash
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