大约有 40,000 项符合查询结果（耗时：0.0663秒） [XML]
Should I use multiplication or division?
... in xrange(int(1e8)): t=12341234234.234 * 0.5'
real 0m17.932s
user 0m16.481s
sys 0m0.048s
multiplication is 33% faster
Lua:
time lua -e 'for i=1,1e8 do t=12341234234.234 / 2.0 end'
real 0m7.956s
user 0m7.332s
sys 0m0.032s
time lua -e 'for i=1,1e8 do t=12341234234.234 * 0.5 e...
HTTPS with Visual Studio's built-in ASP.NET Development Server
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edited Jul 16 '18 at 9:06
answered Jul 16 '18 at 7:50
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assign multiple variables to the same value in Javascript
... accepted answer.
– Elis Byberi
Aug 16 '18 at 17:16
1
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Convert list to tuple in Python
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edited Jul 4 '16 at 18:37
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
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8 decimal places is 1.1mm (less than 1/16 of inch) precision. Why would you ever need that for latitude and longitude?
– vartec
Aug 26 '15 at 17:29
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Is gcc 4.8 or earlier buggy about regular expressions?
...;regex> doesn't work, look: false
$ gcc --version
gcc (GCC) 6.2.1 20160830
Copyright (C) 2016 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
$ ./a.out
<re...
Overlaying histograms with ggplot2 in R
...anual().
– Michael Ohlrogge
Sep 11 '16 at 14:43
1
exactly, how can we add legend to this??
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How can I profile Python code line-by-line?
...03 1.6 13.5 IntLoc = IntParIO + 10
152 50000 63162 1.3 10.4 while 1:
153 50000 69065 1.4 11.4 if Char1Glob == 'A':
154 50000 66354 1.3 10.9 IntLoc = IntLoc - 1
155 50000 67263 ...
What is the best way to clear a session variable in rails?
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16
This is the correct way to do it. session[:message] = nil will leave the :message key in the session hash, this will destroy the key and va...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
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edited Aug 10 '16 at 16:55
Warty
6,58311 gold badge2424 silver badges4646 bronze badges
answe...