大约有 47,000 项符合查询结果（耗时：0.0637秒） [XML]
Programmatically change the src of an img tag
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edited Jan 24 '13 at 7:15
answered Jul 30 '12 at 13:18
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Does Python have a string 'contains' substring method?
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6488
You can use the in operator:
if "blah" not in somestring:
continue
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Running single test from unittest.TestCase via command line
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answered Apr 12 '13 at 12:44
phihagphihag
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What is the purpose of Node.js module.exports and how do you use it?
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CloudBranch
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answered Mar 15 '11 at 12:00
AlnitakAlnitak
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Return Boolean Value on SQL Select Statement
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ChadChad
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2
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What is the difference between Trap and Interrupt?
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edited Aug 27 '14 at 9:52
answered Jun 30 '10 at 12:28
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Best practices for copying files with Maven
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Tim O'BrienTim O'Brien
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In node.JS how can I get the path of a module I have loaded via require that is *not* mine (i.e. in
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Linus ThielLinus Thiel
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Circle line-segment collision detection algorithm?
... b = 2*f.Dot( d ) ;
float c = f.Dot( f ) - r*r ;
float discriminant = b*b-4*a*c;
if( discriminant < 0 )
{
// no intersection
}
else
{
// ray didn't totally miss sphere,
// so there is a solution to
// the equation.
discriminant = sqrt( discriminant );
// either solution may be on o...
Get started with Latex on Linux [closed]
...some content in it, say the example from the LaTeX primer:
\documentclass[a4paper,12pt]{article}
\begin{document}
The foundations of the rigorous study of \emph{analysis}
were laid in the nineteenth century, notably by the
mathematicians Cauchy and Weierstrass. Central to the
study of this subject ...