Results for “Arduino / C”
Small, practical examples. Search by task or narrow things down below.
Keep caller data unchanged by passing a structure by value
C: A value parameter is a copy of the original structure.
C✓ Tested
Keep children while clearing a deleted relationship
SQL: ON DELETE SET NULL requires a nullable foreign-key column.
SQL✓ Tested
Keep children while clearing a deleted relationship
SQL Server: ON DELETE SET NULL requires a nullable foreign-key column.
SQL Server✓ Tested
Keep children while clearing a deleted relationship
Postgres: ON DELETE SET NULL requires a nullable foreign-key column.
Postgres✓ Tested
Keep children while clearing a deleted relationship
SQLite: ON DELETE SET NULL requires a nullable foreign-key column.
SQLite✓ Tested
Keep component state with useState
Keep component state with useState with a small React component and explicit browser behavior.
React✓ Tested
Keep exec-form arguments literal
Docker / Compose: JSON exec form does not expand shell environment variables.
Docker / Compose✓ Tested
Keep function state between calls
C: A static local variable retains its stored value for the lifetime of the process.
C✓ Tested
Keep function-local assignments separate from caller state
PowerShell: Ordinary function assignments create local variables rather than replacing the caller’s variable.
PowerShell✓ Tested
Keep numeric input text until conversion
Keep numeric input text until conversion with a small React component and explicit browser behavior.
React✓ Tested
Keep only the most recent items
Python: Use a bounded deque to discard the oldest item as new values arrive.
Python✓ Tested
Keep only values satisfying a condition
Keep only values satisfying a condition in a complete Rust program using the standard library.
Rust✓ Tested