Results for “rows”
Small, practical examples. Search by task or narrow things down below.
Reject duplicate business identifiers
SQL: A UNIQUE constraint protects a business key independently of the primary key.
SQL✓ Tested
Reject duplicate business identifiers
SQL Server: A UNIQUE constraint protects a business key independently of the primary key.
SQL Server✓ Tested
Reject duplicate business identifiers
Postgres: A UNIQUE constraint protects a business key independently of the primary key.
Postgres✓ Tested
Reject duplicate business identifiers
SQLite: A UNIQUE constraint protects a business key independently of the primary key.
SQLite✓ Tested
Remember the previously committed value
Remember the previously committed value with a small React component and explicit browser behavior.
React✓ Tested
Remove a CSS class
jQuery: Learn how to remove a CSS class in a complete browser example.
jQuery✓ Tested
Remove a list item by identifier
Remove a list item by identifier with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Remove a wrapper while preserving its children
jQuery: unwrap replaces a selected element’s parent with that parent’s contents.
jQuery✓ Tested
Remove an inactive section from keyboard navigation
HTML: Inert prevents interaction and accessibility exposure for an inactive subtree.
HTML✓ Tested
Remove an item with filter
Remove an item with filter with a small React component and explicit browser behavior.
React✓ Tested
Remove an optional attribute entirely
jQuery: removeAttr removes the attribute instead of setting a string that might still activate it.
jQuery✓ Tested
Remove duplicate result values
SQL: Use DISTINCT when repeated category values are not useful.
SQL✓ Tested