Results for “ref”
Small, practical examples. Search by task or narrow things down below.
Pass an argument into a worker thread
C++: Thread arguments are copied by default; std::ref explicitly passes a reference.
C++✓ Tested
Prevent runtime changes to top-level properties
JavaScript: Object.freeze prevents ordinary top-level mutations; Reflect.set reports the rejected update without throwing.
JavaScript✓ Tested
Prevent runtime changes to top-level properties
TypeScript: Object.freeze prevents ordinary top-level mutations; Reflect.set reports the rejected update without throwing.
TypeScript✓ Tested
Read a nested optional value
Avoid dereferencing a missing nested object.
optional chaining✓ Tested
Read an annotated tag’s message
Git: for-each-ref can inspect annotation contents without including a commit diff.
Git✓ Tested
Read updated base-table values through a view
SQL: An ordinary view reflects later changes to its underlying data.
SQL✓ Tested
Read updated base-table values through a view
SQL Server: An ordinary view reflects later changes to its underlying data.
SQL Server✓ Tested
Read updated base-table values through a view
Postgres: An ordinary view reflects later changes to its underlying data.
Postgres✓ Tested
Read updated base-table values through a view
SQLite: An ordinary view reflects later changes to its underlying data.
SQLite✓ Tested
Remove dependent rows with a declared cascade
SQL: ON DELETE CASCADE removes children when their referenced parent is deleted.
SQL✓ Tested
Remove dependent rows with a declared cascade
SQL Server: ON DELETE CASCADE removes children when their referenced parent is deleted.
SQL Server✓ Tested
Remove dependent rows with a declared cascade
Postgres: ON DELETE CASCADE removes children when their referenced parent is deleted.
Postgres✓ Tested