Results for “id”
Small, practical examples. Search by task or narrow things down below.
Provide a skip link
Let keyboard users jump directly to focusable main content.
HTML✓ Tested
Provide alternative text for an informative image
Provide alternative text for an informative image with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Provide an @empty list state
Provide an @empty list state with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Provide read-only application configuration
Provide read-only application configuration with a small React component and explicit browser behavior.
React✓ Tested
Reference a parent identified by two columns
SQL: A composite foreign key checks the complete referenced key rather than either column independently.
SQL✓ Tested
Reference a parent identified by two columns
SQL Server: A composite foreign key checks the complete referenced key rather than either column independently.
SQL Server✓ Tested
Reference a parent identified by two columns
Postgres: A composite foreign key checks the complete referenced key rather than either column independently.
Postgres✓ Tested
Reference a parent identified by two columns
SQLite: A composite foreign key checks the complete referenced key rather than either column independently.
SQLite✓ Tested
Reject an integer outside a byte’s range
Reject an integer outside a byte’s range using a complete Go program with explicit sample inputs.
Go✓ Tested
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