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Repeat command automatically in Linux
Is it possible in Linux command line to have a command repeat every n seconds?
13 Answers
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PostgreSQL error 'Could not connect to server: No such file or directory'
...m getting this error when I run rake db:migrate in my project or even try most database tasks for my Ruby on Rails 3.2 applications.
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open read and close a file in 1 line of code
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You don't really have to close it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons.
So, what you can do to keep it short, simpl...
Find all files with name containing string
...Bar.conf.sample" -print
The -iname works either on GNU or BSD (including OS X) version find command. If your version of find command does not supports -iname, try the following syntax using grep command:
find $HOME | grep -i "hello.c"
find $HOME -name "*" -print | grep -i "hello.c"
OR try
find...
Colors in JavaScript console
...ntly, Firebug has supported this for a long time.
– josh3736
Oct 25 '12 at 14:39
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To use HTML s...
How do I read a text file of about 2 GB? [duplicate]
I have a .txt file whose memory is more than 2 GB. The problem is I cannot open it with Notepad, Notepad++ or any other editor programs.
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Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Wh
I upgraded to the latest Java 7u40 on MacOS X and started getting the following message on the console when launching my application using Eclipse. The app works fine but I would like to find out the cause of the problem and hopefully a fix for it.
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How to use sed to remove the last n lines of a file
...states: The application shall ensure that the number option-argument is a positive decimal integer.
– William Pursell
Nov 14 '12 at 15:51
21
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Read binary file as string in Ruby
... you the entire file in a string.
After that, you probably want to file.close. If you don’t do that, file won’t be closed until it is garbage-collected, so it would be a slight waste of system resources while it is open.
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How to uninstall editable packages with pip (installed with -e)
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is there supposed to be any output to that command? I get it says running develop but I still the .egg-info file...is it suppose to remove it?
– Pinocchio
Apr 27 at 20:39
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