Results for “if”
Small, practical examples. Search by task or narrow things down below.
Return all rows tied for the maximum in a group
SQLite: An equality comparison with a grouped maximum retains ties rather than choosing one arbitrary row.
SQLite✓ Tested
Return an inserted row
Read generated data directly from INSERT.
RETURNING✓ Tested
Return zero for a sum over no rows
SQL: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.
SQL✓ Tested
Return zero for a sum over no rows
SQL Server: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.
SQL Server✓ Tested
Return zero for a sum over no rows
Postgres: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.
Postgres✓ Tested
Return zero for a sum over no rows
SQLite: SUM produces NULL for an empty input; COALESCE supplies the desired reporting default.
SQLite✓ Tested
Reuse a CSS custom property
CSS: Learn how to reuse a CSS custom property in a complete browser example.
CSS✓ Tested
Roll back a trial update
Group a change in a transaction and undo it.
transaction✓ Tested
Rotate a nonempty array left by one element
C: Save the first item before shifting the remaining elements.
C✓ Tested
Rotate a rectangular box around its center
CSS: A ninety-degree transform swaps the visible bounding-box width and height.
CSS✓ Tested
Round a box’s corners
CSS: Border-radius changes the corner shape without changing its rectangular layout dimensions.
CSS✓ Tested
Round a panel’s corners
CSS: Learn how to round a panel’s corners in a complete browser example.
CSS✓ Tested