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How to extract a substring using regex
...gular expression with a Matcher:
"'(.*?)'"
Example:
String mydata = "some string with 'the data i want' inside";
Pattern pattern = Pattern.compile("'(.*?)'");
Matcher matcher = pattern.matcher(mydata);
if (matcher.find())
{
System.out.println(matcher.group(1));
}
Result:
the data i want
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Javascript How to define multiple variables on a single line?
Reading documentation online, I'm getting confused how to properly define multiple JavaScript variables on a single line.
7...
How can you find out which process is listening on a port on Windows?
...er, cmd
C:\> netstat -a -b
(Add -n to stop it trying to resolve hostnames, which will make it a lot faster.)
Note Dane's recommendation for TCPView. It looks very useful!
-a Displays all connections and listening ports.
-b Displays the executable involved in creating each connection or listen...
Android Min SDK Version vs. Target SDK Version
When it comes to developing applications for Android, what is the difference between Min and Target SDK version? Eclipse won't let me create a new project unless Min and Target versions are the same!
...
Get integer value of the current year in Java
...
int year = Calendar.getInstance().get(Calendar.YEAR);
Not sure if this meets with the criteria of not setting up a new Calendar? (Why the opposition to doing so?)
share
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improve this answer
...
How to format a float in javascript?
...rt" where it doesn't accepts string values hence toFixed didn't worked for me, Math.round solved my issue, thanks
– Swapnil Chincholkar
Jun 23 '15 at 13:11
4
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How to retry after exception?
... starting with for i in range(0, 100) . Normally it runs correctly, but sometimes it fails due to network conditions. Currently I have it set so that on failure, it will continue in the except clause (continue on to the next number for i ).
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Make: how to continue after a command fails?
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Try the -i flag (or --ignore-errors). The documentation seems to suggest a more robust way to achieve this, by the way:
To ignore errors in a command line, write a - at the beginning of the line's text (after the initial tab). The - is discarded before the command is...
IOS: create a UIImage or UIImageView with rounded corners
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I test this way! Cost lot of memory!
– LE SANG
Feb 2 '15 at 2:59
I have ...
Returning the product of a list
...r. With python 2.7.5
from operator import mul
import numpy as np
import numexpr as ne
# from functools import reduce # python3 compatibility
a = range(1, 101)
%timeit reduce(lambda x, y: x * y, a) # (1)
%timeit reduce(mul, a) # (2)
%timeit np.prod(a) # (3)
%...