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How to permanently set $PATH on Linux/Unix? [closed]
...t of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used by PAM and SystemD.
/etc/environment.d/*.conf List of unique assignments, allows references. Perfect for adding system-wide directories l...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
...cessary links and cache to the most recent
shared libraries found in the directories specified on the command
line, in the file /etc/ld.so.conf, and in the trusted directories
(/lib and /usr/lib).
Usually your package manager will take care of this when you install a new library, but not alw...
Run a callback only if an attribute has changed in Rails
...ttps://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveRecord::Dirty in Rails 5.1+:
ActiveReco...
How do I run a Java program from the command line on Windows?
I'm trying to execute a Java program from the command line in Windows. Here is my code:
12 Answers
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Transferring files over SSH [closed]
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You need to specify both source and destination, and if you want to copy directories you should look at the -r option.
So to recursively copy /home/user/whatever from remote server to your current directory:
scp -pr user@remoteserver:whatever .
...
Is it possible to do a sparse checkout without checking out the whole repository first?
... case, except I wanted to checkout only the commit for a tag and prune the directories. Using --depth 1 makes it really sparse and can really speed things up.
mkdir myrepo
cd myrepo
git init
git config core.sparseCheckout true
git remote add origin <url> # Note: no -f option
echo "path/with...
Where does npm install packages?
Can someone tell me where can I find the Node.js modules, which I installed using npm ?
22 Answers
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How to check whether an array is empty using PHP?
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81
Some decent answers, but just thought I'd expand a bit to explain more clearly when PHP determi...
Restore Eclipse subversion project connection
...next pane, you select the root directory. Then it will show you all the
subdirectories. They'll all be selected by default.
Unselect the ones you don't want.
It will then "import" your existing directory, which can be used
Check if value already exists within list of dictionaries?
... Mark ByersMark Byers
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