Results for “fold”
Small, practical examples. Search by task or narrow things down below.
Join portable path components
Join portable path components using a complete Go program with explicit sample inputs.
Go✓ Tested
Join related rows from two tables
SQLite: Match a category key to its display label with an explicit join condition.
SQLite✓ Tested
Join string slices
Join string slices in a complete Rust program using the standard library.
Rust✓ Tested
Join through a lookup table
SQLite: Use explicit aliases and join keys when enriching records through two relationships.
SQLite✓ Tested
Join two sorted files by a shared key
Linux Commands: Use join for sorted, simple delimiter-separated records with one row per key.
Linux Commands✓ Tested
Join values with a delimiter
Concatenate rows in a specified order.
group_concat✓ Tested
Join words with a separator
Join words with a separator using a complete Go program with explicit sample inputs.
Go✓ Tested
Keep a function variable local
Bash Scripts: Local prevents an ordinary function assignment from replacing a caller variable.
Bash Scripts✓ Tested
Keep an optional value only when valid
Keep an optional value only when valid in a complete Rust program using the standard library.
Rust✓ Tested
Keep children while clearing a deleted relationship
SQLite: ON DELETE SET NULL requires a nullable foreign-key column.
SQLite✓ Tested
Keep loop state by avoiding a pipeline subshell
Bash Scripts: Redirect input into a while loop so updates to a counter remain in the current shell.
Bash Scripts✓ Tested
Keep only values satisfying a condition
Keep only values satisfying a condition in a complete Rust program using the standard library.
Rust✓ Tested