If you want to know your public key's fingerprint, do this:

ssh-keygen -lf ~/.ssh/my.key.pub

This may be necessary to authenticate your key on GitHub because of [recent events](https://github.com/blog/1068-public-key-security-vulnerability-a...

• To retrieve only unique combinations of the selected attributes: You can omit rows, where all selected columns are equal with the DISTINCT statement.
• To retrieve the group wise maximum of certain columns: You can keep only one record fo...

Next in our series on not shooting yourself in the foot: Doing a sudo shutdown -h now on the main database server right before you head home to cook dinner for six.

You probably already manage servers you often connect to inside the ~/.ssh/config file. What is nice: you may define alias names for hosts so that you can say something like ssh foobar-staging.

This is especially helpful for servers whose hos...

Option 0: Download from the official page (preferred)

• Open https://googlechromelabs.github.io/chrome-for-testing/
• In Section "Stable" > chromedriver / linux64 > Download ZIP from URL
• Take the chromedriver binary from the ZIP file and ...

Append this to your ~/.bashrc:

export PS1='\[\033[01;32m\]\h\[\033[01;34m\] \w\[\033[31m\]$(__git_ps1 "(%s)") \[\033[01;34m\]$\[\033[00m\] '

Reload the changes by saying

source ~/.bashrc

For some customized prompts that also ...

Recording

SimpleScreenRecorder

I recommend simplescreenrecorder, it produces an adequate output with only a few clicks. The audio recording contained some static noises, but that might be...

With "attaching an event handler once" you possibly mean one of these two things:

Register a function for an event, and discard it once that event has happened

Use one instead of on.

$(element).one('eventName', function() { ... });

...

Both knapsack and parallel_tests have the option to split groups by historic execution time. The required logs for this might be outdated since you manual...

In a nutshell: Use git rebase --onto target-branch source-commit

• target-branch means "branch you want to be based on"
• source-commit means "commit before your first feature commit"

Let's say my-feature-branch...