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Bash if [ false ] ; returns true
Been learning bash this week and ran into a snag.
6 Answers
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Find if current time falls in a time range
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edited Oct 1 '09 at 17:55
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What is the best way to find the users home directory in Java?
The difficulty is that it should be cross platform. Windows 2000, XP, Vista, OSX, Linux, other unix variants. I am looking for a snippet of code that can accomplish this for all platforms, and a way to detect the platform.
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Can I call a base class's virtual function if I'm overriding it?
Say I have classes Foo and Bar set up like this:
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How do you remove an invalid remote branch reference from Git?
... are removed.
So it might be you hand-edited your config file and this did not occur, or you have privilege problems.
Maybe run that again and see what happens.
Advice Context
If you take a look in the revision logs, you'll note I suggested more "correct" techniques, which for whatever ...
What is the documents directory (NSDocumentDirectory)?
Can someone explain to me what the documents directory is on an iOS app and when to use it?
9 Answers
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How to remove outliers from a dataset
...hey are given an age and a beauty rating from 1-5. When I do boxplots of this data (ages across the X-axis, beauty ratings across the Y-axis), there are some outliers plotted outside the whiskers of each box.
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What kind of virtual machine is BEAM (the Erlang VM)?
... or a "process virtual machine". It's kind of fuzzy to me where BEAM lies. Is there another kind of virtual machine I am not aware of?
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Search for string and get count in vi editor
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:g/xxxx/d
This will delete all the lines with pattern, and report how many deleted. Undo to get them back after.
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Rails server says port already used, how to kill that process?
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Assuming you're looking to kill whatever is on port 3000 (which is what webrick normally uses), type this in your terminal to find out the PID of the process:
$ lsof -wni tcp:3000
Then, use the number in the PID column to kill the process:
$ kill -9 PID
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