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Dealing with “java.lang.OutOfMemoryError: PermGen space” error
...his option brings down performance. It makes each request take three times more time than usual on our systems. Use with care.
– Eldelshell
Sep 3 '10 at 9:16
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Create a .csv file with values from a Python list
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Run cron job only if it isn't already running
... It's better.
Now you don't have to write the code yourself. Check out more reasons here: https://serverfault.com/a/82863
/usr/bin/flock -n /tmp/my.lockfile /usr/local/bin/my_script
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A simple explanation of Naive Bayes Classification
... Since the objects are well clustered, it is reasonable to assume that the more GREEN (or RED) objects in the vicinity of X, the more likely that the new cases belong to that particular color. To measure this likelihood, we draw a circle around X which encompasses a number (to be chosen a priori) of...
Why am I getting error for apple-touch-icon-precomposed.png
... I found a nice article that details everything I wanted to know (and more): mathiasbynens.be/notes/touch-icons
– Alexis
May 22 '13 at 15:02
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Bash: Strip trailing linebreak from output
...ce a single line of output. I have, however, updated my answer to suit the more general case. HTH.
– Steve
Dec 12 '14 at 0:32
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How to disable back swipe gesture in UINavigationController on iOS 7
...r. Or, you can implement UIGestureRecognizerDelegate protocol with your more complex logic and set it as recognizer.delegate property.
– ArtFeel
Nov 25 '13 at 12:25
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How do BitTorrent magnet links work?
...ient will be able to ask those peers for the connection information of yet more peers in the torrent swarm, until you have all of the peers you need.
Finally, we can ask these peers for the torrent's info metadata, containing the filenames and hash list. Once we've downloaded this information and v...
NULL values inside NOT IN clause
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