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mysql - how many columns is too many?
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edited Jun 24 '16 at 7:46
bubakazouba
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codestyle; put javadoc before or after annotation?
...003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44...
Entity framework code-first null foreign key
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169
You must make your foreign key nullable:
public class User
{
public int Id { get; set; }
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STL or Qt containers?
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answered Nov 3 '09 at 16:40
rpgrpg
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What is the difference between .*? and .* regular expressions?
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edited Nov 21 '16 at 7:43
Wiktor Stribiżew
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How to search for occurrences of more than one space between words in a line
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answered Sep 21 '10 at 9:16
AlexanderMPAlexanderMP
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How do you calculate log base 2 in Java for integers?
...int log = 0;
if( ( bits & 0xffff0000 ) != 0 ) { bits >>>= 16; log = 16; }
if( bits >= 256 ) { bits >>>= 8; log += 8; }
if( bits >= 16 ) { bits >>>= 4; log += 4; }
if( bits >= 4 ) { bits >>>= 2; log += 2; }
return log + ( bits &g...
str performance in python
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0.25641703605651855
>>> Timer('"%s" % x', 'x=100').timeit()
0.2169809341430664
Do note that str is still slightly slower, as @DietrichEpp said, this is because str involves lookup and function call operations, while % compiles to a single immediate bytecode:
>>> dis.dis(lambd...
How to scroll to top of page with JavaScript/jQuery?
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– Niet the Dark Absol
Mar 13 '13 at 16:51
To make this work on my IE/Chrome/FF cross-browsers, I must combine Niet Dar...
How to check if an object is an array?
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edited Nov 20 '14 at 21:16
answered Jan 6 '14 at 18:11
Fe...