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How to use sed to remove the last n lines of a file
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+1 for simplicity. The equivalent sed command is butt ugly: sed -e :a -e '$d;N;2,5ba' -e 'P;D' file (,5 for last 5 lines).
– Marc B
Nov 14 '12 at 14:28
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Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
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This is done to keep state.
When you catch the InterruptException and swallow it, you essentially prevent any higher level methods/thread groups from noticing the interrupt. Which may cause problems.
By calling Thread.currentThread().interrupt(), you set the interrupt flag of the thread, s...
Simplest way to do a recursive self-join?
...ITH clause. If you need specifics, please create a fiddle on sqlfiddle.com and post the link here.
– Quassnoi
Nov 25 '14 at 22:31
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Convert PDF to clean SVG? [closed]
... Wikipedia to convert PDF to SVG.
http://inkscape.org/
They even have a handy guide on how to do so!
http://en.wikipedia.org/wiki/Wikipedia:Graphic_Lab/Resources/PDF_conversion_to_SVG#Conversion_with_Inkscape
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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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Android Studio: how to remove/update the “Created by” comment added to all new classes?
By default Android Studio automatically adds a header comment to all new classes, e.g.
9 Answers
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GitHub: Permission denied (publickey). fatal: The remote end hung up unexpectedly
...rmission ( /home/user/git) it will work fine.
(Explanation: Running a command as superuser will not work with the same public key as running a command as user. Therefore Github refused the connection.)
This solution requires a SSH key already to be set up: https://help.github.com/articles/generat...
Unable to resolve host “” No address associated with hostname
... give your app the permission to use the internet. Try adding this to your android manifest:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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How to stop creating .DS_Store on Mac? [closed]
I'm developing sites on mac and every time I create some folder (or file in that folder) .DS_Store is created in that folder.
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Play audio with Python
... @theonlygusti See here, for example.
– Anderson Green
Dec 4 '17 at 19:35
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