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Multi-line regex support in Vim
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Yes, Perl's //s modifier isn't available on Vim regexes. See :h perl-patterns for details and a list of other differences between Vim and Perl regexes.
Instead you can use \_., which means "match any single character including newline". It's...
Simple (I think) Horizontal Line in WPF?
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@jpierson If you add it to a grid, you probably need to assign it to a row and column like any other control. Otherwise it will probably appear in the first row/col, and you will miss it. (It works properly on a StackPanel.)
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difference between css height : 100% vs height : auto
I was asked a question in an interview that "what is the difference between the css height:100% and height:auto ?"
4 An...
IF statement: how to leave cell blank if condition is false (“” does not work)
I would like to write an IF statement, where the cell is left blank if the condition is FALSE.
Note that, if the following formula is entered in C1 ( for which the condition is false ) for example:
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Get domain name from given url
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If you want to parse a URL, use java.net.URI. java.net.URL has a bunch of problems -- its equals method does a DNS lookup which means code using it can be vulnerable to denial of service attacks when used with untrusted inpu...
ApartmentState for dummies
...T. You can use a Queue<> object for example in multiple threads but if you don't lock properly, you'll have a nasty bug in your code that is very hard to diagnose.
The exact details of COM threading are too large to fit in a post. I'll focus on the specifics of your question. A thread that...
How to convert latitude or longitude to meters?
If I have a latitude or longitude reading in standard NMEA format is there an easy way / formula to convert that reading to meters, which I can then implement in Java (J9)?
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php execute a background process
...d to $pidfile.
That lets you easily monitor what the process is doing and if it's still running.
function isRunning($pid){
try{
$result = shell_exec(sprintf("ps %d", $pid));
if( count(preg_split("/\n/", $result)) > 2){
return true;
}
}catch(Exception ...
Create singleton using GCD's dispatch_once in Objective-C
If you can target iOS 4.0 or above
10 Answers
10
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What is IP address '::1'?
...0:0000:0000:0000:0001 but we have some short form representation for this. If there are all zeroes in a single block you can replace it by single 0. So it becomes -> 0:0:0:0:0:0:0:0001.
Again we can see that we have runs of zeroes, they can be eliminated and we get
-> ::0001 -> ::1 .
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