Results for “active low”
Small, practical examples. Search by task or narrow things down below.
Turn known group values into columns
Postgres: Conditional aggregation gives a portable pivot when the category set is known.
Postgres✓ Tested
Turn known group values into columns
SQLite: Conditional aggregation gives a portable pivot when the category set is known.
SQLite✓ Tested
Turn on the LED with a serial command
Arduino / C: Wait for the character 1 in Serial Monitor before turning on the built-in LED.
Arduino / C✓ Tested
Type an object update with Partial
Allow a caller to provide just the fields to change.
Partial✓ Tested
Uncommit a local change and leave its edits unstaged
Git: A mixed reset resets the index while retaining working-file contents.
Git✓ Tested
Uncommit the latest local change while keeping it staged
Git: A soft reset moves the branch tip but preserves both index and working files.
Git✓ Tested
Undo a commit with a new commit
Reverse a change while preserving shared history.
revert✓ Tested
Undo a multi-row transfer atomically
SQL: The first transaction commits the fixtures. Rolling back the second transaction restores both sides of the attempted transfer.
SQL✓ Tested
Undo a multi-row transfer atomically
SQL Server: The first transaction commits the fixtures. Rolling back the second transaction restores both sides of the attempted transfer.
SQL Server✓ Tested
Undo a multi-row transfer atomically
Postgres: The first transaction commits the fixtures. Rolling back the second transaction restores both sides of the attempted transfer.
Postgres✓ Tested
Undo a multi-row transfer atomically
SQLite: The first transaction commits the fixtures. Rolling back the second transaction restores both sides of the attempted transfer.
SQLite✓ Tested
Undo only the work after a savepoint
SQL: After committing the fixtures, roll back a trial change while keeping earlier work in the second transaction.
SQL✓ Tested