Python: Implement a custom context manager
How to create your own ‘with’
Python: Implement a custom context manager
How to create your own ‘with’
Matplotlib: Determine which backend is in use
Quick one-liner to identify the backend
Shell: Identify process using a given port number
Quickly get the information you need to free a used port
Shell: Create a file backup with modification date as suffix
Useful prior to changing a configuration file
Shell: Dedup PATH variable
Perl to the rescue!