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How to set JAVA_HOME in Linux for all users
...not-privileged user, ie. sudo vim
Press 'i' to get in insert mode
add:
export JAVA_HOME="path that you found"
export PATH=$JAVA_HOME/bin:$PATH
logout and login again, reboot, or use source /etc/profile to apply changes immediately in your current shell
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How to autosize a textarea using Prototype?
I'm currently working on an internal sales application for the company I work for, and I've got a form that allows the user to change the delivery address.
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Django Rest Framework File Upload
I am using Django Rest Framework and AngularJs to upload a file. My view file looks like this:
15 Answers
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rsync: difference between --size-only and --ignore-times
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There are several ways rsync compares files -- the authoritative source is the rsync algorithm description: https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf. The wikipedia article on rsync is also very good.
For local files, rsync compares metadata a...
Template function inside template class
... void MyClass<T>::foo<T>()... thanks, I tried it before, but it doesn't work to me.. perhaps I had to do clean project.
– Michael
Dec 27 '11 at 1:34
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Difference between HEAD and master
...type of reference that points to another reference. It may point to master or it may not (it will point to whichever branch is currently checked out). If you know you want to be committing to the master branch then push to this.
Here is a visual example:
On your own repository you can check wher...
How do I use vi keys in ipython under *nix?
...ass an option:
$ ipython --TerminalInteractiveShell.editing_mode=vi
... or to set it globally in the profile configuration (~/.ipython/profile_default/ipython_config.py; create it with ipython profile create if you don't have it) with:
c.TerminalInteractiveShell.editing_mode = 'vi'
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How is Math.Pow() implemented in .NET Framework?
I was looking for an efficient approach for calculating a b (say a = 2 and b = 50 ). To start things up, I decided to take a look at the implementation of Math.Pow() function. But in .NET Reflector , all I found was this:
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Passing parameters to a Bash function
...I prefer the second approach.
function function_name {
command...
}
or
function_name () {
command...
}
To call a function with arguments:
function_name "$arg1" "$arg2"
The function refers to passed arguments by their position (not by name), that is $1, $2, and so forth. $0 is the n...
Grepping a huge file (80GB) any way to speed it up?
This has been running for an hour on a fairly powerful linux server which is otherwise not overloaded.
Any alternative to grep? Anything about my syntax that can be improved, (egrep,fgrep better?)
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