大约有 44,000 项符合查询结果（耗时：0.0302秒） [XML]
Return positions of a regex match() in Javascript?
...
if (match) {
console.log("match found at " + match.index);
}
m>And m> for multiple matches:
var re = /bar/g,
str = "foobarfoobar";
while ((match = re.exec(str)) != null) {
console.log("match found at " + match.index);
}
...
What's the difference between an argument m>and m> a parameter?
...ng else. Either wam>y m> the other people know what I mean, but what's correct, m>and m> what's the historm>y m> of the terms?
34 Answers
...
source of historical stock data [closed]
...
Let me add mm>y m> 2¢, it's mm>y m> job to get good m>and m> clean data for a hedge-fund, I've seen quite a lot of data feeds m>and m> historical data providers. This is mainlm>y m> about US stock data.
To start with, if m>y m>ou have some monem>y m> don't bother with downloading data from m>Y m>ahoo, get...
Reduce left m>and m> right margins in matplotlib plot
...
If m>y m>ou have multiple subplots m>and m> want to save each of them, m>y m>ou can use this with fig.savefig() too. (plt.savefig() will not work in that case.)
– Abhranil Das
Apr 21 '13 at 12:07
...
How to filter files when using scp to copm>y m> dir recursivelm>y m>?
... probablm>y m> recommend using something like rsm>y m>nc for this due to its include m>and m> exclude flags, e.g:-
rsm>y m>nc -rav -e ssh --include '*/' --include='*.class' --exclude='*' \
server:/usr/some/unknown/number/of/sub/folders/ \
/usr/project/backup/some/unknown/number/of/sub/folders/
Some other useful fla...
Histogram Matplotlib
... that is alreadm>y m> in the histogram format, so I have the center of the bins m>and m> the number of events per bin. How can I now plot is as a histogram. I tried just doing
...
Pointer to class data member “::*”
...nest, I've never had to use them in mm>y m> own code.
Edit: I can't think off-hm>and m> of a convincing use for pointers to member data. Pointer to member functions can be used in pluggable architectures, but once again producing an example in a small space defeats me. The following is mm>y m> best (untested) tr...
What is the difference between a port m>and m> a socket?
...
Summarm>y m>
A TCP socket is an endpoint instance defined bm>y m> an IP address m>and m> a port in the context of either a particular TCP connection or the listening state.
A port is a virtualisation identifier defining a service endpoint (as distinct from a service instance endpoint aka session identifier)...
What is the difference between supervised learning m>and m> unsupervised learning? [closed]
In terms of artificial intelligence m>and m> machine learning, what is the difference between supervised m>and m> unsupervised learning?
Can m>y m>ou provide a basic, easm>y m> explanation with an example?
...
How do I find the duplicates in a list m>and m> create another list with them?
How can I find the duplicates in a Pm>y m>thon list m>and m> create another list of the duplicates? The list onlm>y m> contains integers.
...