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Regex lookahead, lookbehind and atomic groups
...ed as s immediately follows in foots, and stop.
Some resources
http://www.regular-expressions.info/lookaround.html
http://www.rexegg.com/regex-lookarounds.html
Online testers
https://regex101.com
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How to post data in PHP using file_get_contents?
...ethod' => 'POST',
'header' => 'Content-Type: application/x-www-form-urlencoded',
'content' => $postdata
)
);
$context = stream_context_create($opts);
$result = file_get_contents('http://example.com/submit.php', false, $context);
Basically, you have to create a str...
Installing Java 7 on Ubuntu
...udo apt-get install oracle-java7-set-default
More information at:
http://www.ubuntuupdates.org/package/webupd8_java/precise/main/base/oracle-java7-set-default
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...
Make install, but not to default directories?
.../my/local/lib
make
make test
make install
* further explanation: https://www.perlmonks.org/?node_id=564720
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How is the “greater than” or “>” character used in CSS?
... a,
as shown below:
div.resources > a{color: white;}
(from http://www.xml.com/pub/a/2003/06/18/css3-selectors.html)
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MySQL Error 1215: Cannot add foreign key constraint
...LUMN ID ID CHAR(36) CHARACTER SET 'utf8' NOT NULL;
– www.jensolsson.se
May 26 '15 at 8:19
3
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What's the difference between the data structure Tree and Graph?
...swer almost all your questions on trees and graphs.
References :
http://www.introprogramming.info/english-intro-csharp-book/read-online/chapter-17-trees-and-graphs/#_Toc362296541
http://www.community-of-knowledge.de/beitrag/data-trees-as-a-means-of-presenting-complex-data-analysis/
Wikipedia
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How to overlay images
...
You might want to check out this tutorial:
http://www.webdesignerwall.com/tutorials/css-decorative-gallery/
In it the writer uses an empty span element to add an overlaying image. You can use jQuery to inject said span elements, if you'd like to keep your code as clean as p...
C# How can I check if a URL exists/is valid?
...exception will returns false.
return false;
}
}
From: http://www.dotnetthoughts.net/2009/10/14/how-to-check-remote-file-exists-using-c/
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Two way sync with rsync
...
Try Unison: http://www.cis.upenn.edu/~bcpierce/unison/
Syntax:
unison dirA/ dirB/
Unison asks what to do when files are different, but you can automate the process by using the following which accepts default (nonconflicting) options:
unis...