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Site does not exist error for a2ensite
...nging pretty much everything... I will remember to add the .conf extension from now on...
– wtf8_decode
Mar 2 '15 at 17:53
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Quickly create a large file on a Linux system
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dd from the other answers is a good solution, but it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern ...
How to check if Receiver is registered in Android?
...lters, creating the potential for an IllegalArgumentException being thrown from Context#unregisterReceiver(BroadcastReceiver).
In my case, I can store a private synchronized member to check before calling Context#unregisterReceiver(BroadcastReceiver), but it would be
much cleaner if the API p...
A cron job for rails: best practices?
...sts..."
EdiListener.process_new_messages
puts "done."
end
To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler as desired.
Update this is quite an old question and answer! Some new info:
the heroku cron service ...
Is it possible to have SSL certificate for IP address, not domain name?
...esults are cached on multiple levels.
I don't think your idea makes sense from an optimization viewpoint.
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Find and replace with sed in directory and sub directories
I run this command to find and replace all occurrences of 'apple' with 'orange' in all files in root of my site:
7 Answers
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Easiest way to split a string on newlines in .NET?
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If you want to accept files from lots of various OS's, you might also add "\n\r" to the start and "\r" to the end of the delimiter list. I'm not sure it's worth the performance hit though. (en.wikipedia.org/wiki/Newline)
– user420...
What is this date format? 2011-08-12T20:17:46.384Z
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The T is just a literal to separate the date from the time, and the Z means "zero hour offset" also known as "Zulu time" (UTC). If your strings always have a "Z" you can use:
SimpleDateFormat format = new SimpleDateFormat(
"yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.US)...
How do you run JavaScript script through the Terminal?
...you may need to wrap or modify it somewhat to allow it to accept arguments from stdin and write to stdout. (I believe Rhino has a mode to emulate standard browser global vars which helps a lot, though I can't find the docs for this now.)
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Delete specific line number(s) from a text file using sed?
I want to delete one or more specific line numbers from a file. How would I do this using sed?
6 Answers
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