Results for “Ordering & set operations”
Small, practical examples. Search by task or narrow things down below.
Restart numbering at an individual list item
HTML: A value on one ordered-list item sets its ordinal and affects following items.
HTML✓ Tested
Restore a file’s content from an older commit
Git: Specify a source revision when the desired contents are not in the current index.
Git✓ Tested
Restore the index state recorded in a stash
Git: Apply with index restores which changes were staged as well as their file contents.
Git✓ Tested
Restrict a diff to one chosen path
Git: Use the double dash separator to distinguish a filename from revisions or options.
Git✓ Tested
Retrieve a file from a stopped container
Docker / Compose: The writable layer remains available for docker cp after exit.
Docker / Compose✓ Tested
Return to the original branch
Git: Return to the original branch inside the disposable repository created by the input setup.
Git✓ Tested
Return to the previously checked-out branch
Git: The dash shorthand selects the previous branch in the checkout history.
Git✓ Tested
Reuse an LED action with a function
Arduino / C: Put a short LED sequence in a named function and call it twice.
Arduino / C✓ Tested
Run a command in a running container
Execute an additional process inside an existing container.
exec✓ Tested
Run a Compose service as a non-root user
Docker / Compose: user overrides the image’s default identity.
Docker / Compose✓ Tested
Run a Compose service as a numeric user
Docker / Compose: Run a Compose service as a numeric user in a small Compose file.
Docker / Compose✓ Tested
Run a first sketch and read serial output
Arduino / C: Run a first sketch and read serial output on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested