Results for “pre”
Small, practical examples. Search by task or narrow things down below.
Type a dictionary with Record
Limit a lookup table to a known set of keys.
Record✓ Tested
Type an object update with Partial
Allow a caller to provide just the fields to change.
Partial✓ 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
Understand setup() and loop()
Arduino / C: See initialization run once and the main loop run repeatedly.
Arduino / C✓ Tested
Undo a commit with a new commit
Reverse a change while preserving shared history.
revert✓ Tested
Update one row using its primary key
SQL: Use a precise WHERE condition to change only the intended row in a scratch table.
SQL✓ Tested
Update one row using its primary key
SQL Server: Use a precise WHERE condition to change only the intended row in a scratch table.
SQL Server✓ Tested
Update one row using its primary key
Postgres: Use a precise WHERE condition to change only the intended row in a scratch table.
Postgres✓ Tested
Update one row using its primary key
SQLite: Use a precise WHERE condition to change only the intended row in a scratch table.
SQLite✓ Tested
Update several classifications in one statement
SQL: A CASE expression computes the new value for each row covered by the update predicate.
SQL✓ Tested
Update several classifications in one statement
SQL Server: A CASE expression computes the new value for each row covered by the update predicate.
SQL Server✓ Tested
Update several classifications in one statement
Postgres: A CASE expression computes the new value for each row covered by the update predicate.
Postgres✓ Tested