Results for “typed rows”
Small, practical examples. Search by task or narrow things down below.
Count the rows in a table
SQL: COUNT(*) includes every row, including rows with NULL columns.
SQL✓ Tested
Count the rows in a table
SQL Server: COUNT(*) includes every row, including rows with NULL columns.
SQL Server✓ Tested
Count the rows in a table
Postgres: COUNT(*) includes every row, including rows with NULL columns.
Postgres✓ Tested
Count the rows in a table
SQLite: COUNT(*) includes every row, including rows with NULL columns.
SQLite✓ Tested
Create independent rows in a matrix
JavaScript: Use a mapping function to create each row instead of sharing one array with fill.
JavaScript✓ Tested
Create independent rows in a matrix
TypeScript: Use a mapping function to create each row instead of sharing one array with fill.
TypeScript✓ Tested
Declare a typed constant
Declare a typed constant in a complete Rust program using the standard library.
Rust✓ Tested
Decode JSON into a typed struct
Decode JSON into a typed struct using a complete Go program with explicit sample inputs.
Go✓ Tested
Define a function with a typed parameter
Accept a name and return a greeting.
function✓ Tested
Delete rows selected by a related table
SQL: A correlated EXISTS limits the delete to explicitly listed records.
SQL✓ Tested
Delete rows selected by a related table
SQL Server: A correlated EXISTS limits the delete to explicitly listed records.
SQL Server✓ Tested
Delete rows selected by a related table
Postgres: A correlated EXISTS limits the delete to explicitly listed records.
Postgres✓ Tested