大约有 16,000 项符合查询结果（耗时：0.0257秒） [XML]
What is the meaning of the 'g' flag in regular expressions?
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Beside already mentioned meaning of g flag, it influences regexp.lastIndex property:
The lastIndex is a read/write integer property of regular expression
instances that specifies the index at which to start the next match.
(....
Add a prefix string to beginning of each line
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@benjamin, I had already upvoted your answer, however, I prefer sed for lightweight tasks such as this. If "prefix" is known, it's very easy to pick a character not from "prefix".
– Alok Singhal
Jan 20 '1...
How to check if a DateTime occurs today?
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@Lucero that's possible however the question title reads 'two DateTimes'. ;) I guess that's where we got that missing type from.
– pyrocumulus
Oct 23 '09 at 8:10
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Timeout function if it takes too long to finish [duplicate]
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Beware that this is not thread-safe: if you're using multithreading, the signal will get caught by a random thread. For single-threaded programs though, this is the easiest solution.
– Wim
Feb 17 '10 at 17:03
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jQuery select by attribute using AND and OR operators
...ry has extensive documentation about the supported selectors, it's worth a read.
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ImportError: No Module Named bs4 (BeautifulSoup)
...t and keep it in your virtualenv.
For more information about virtualenvs, read this
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Javascript Equivalent to PHP Explode()
...Splitting it with : as the separator
var myarr = mystr.split(":");
//Then read the values from the array where 0 is the first
//Since we skipped the first element in the array, we start at 1
var myvar = myarr[1] + ":" + myarr[2];
// Show the resulting value
console.log(myvar);
// 'TEMP:data'
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Command line for looking at specific port
...ow narrow the search using other netstat switches as necessary...
Further reading (^0^)
netstat /?
find /?
findstr /?
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Python Graph Library [closed]
...are two excellent choices:
NetworkX
and
igraph
I like NetworkX, but I read good things about igraph as well. I routinely use NetworkX with graphs with 1 million nodes with no problem (it's about double the overhead of a dict of size V + E)
If you want a feature comparison, see this from the N...
What is a magic number, and why is it bad? [closed]
...new InvalidArgumentException("password");
}
}
}
It improves readability of the code and it's easier to maintain. Imagine the case where I set the size of the password field in the GUI. If I use a magic number, whenever the max size changes, I have to change in two code locations. If I...