Results for “immutable update”
Small, practical examples. Search by task or narrow things down below.
Update an existing map value
Update an existing map value in a complete Rust program using the standard library.
Rust✓ Tested
Update an explicitly mutable variable
Update an explicitly mutable variable in a complete Rust program using the standard library.
Rust✓ Tested
Update an object without mutating state
Update an object without mutating state with a small React component and explicit browser behavior.
React✓ Tested
Update one array item by its identifier
Update one array item by its identifier with a small React component and explicit browser behavior.
React✓ Tested
Update one matching row
Change a value with an explicit filter.
UPDATE✓ 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 repeatedly with a cleaned-up interval
Update repeatedly with a cleaned-up interval with a small React component and explicit browser behavior.
React✓ Tested
Update rows selected by a related table
SQL: Use EXISTS to limit updates based on an independent eligibility table.
SQL✓ Tested
Update rows selected by a related table
SQL Server: Use EXISTS to limit updates based on an independent eligibility table.
SQL Server✓ Tested