Results for “fold”
Small, practical examples. Search by task or narrow things down below.
Print only the matching portions
Linux Commands: Use extended regex and -o to extract digit sequences.
Linux Commands✓ Tested
Print separate arguments safely
Linux Commands: Print separate arguments safely using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Print text containing percent characters literally
Bash Scripts: Never use untrusted text as the printf format string.
Bash Scripts✓ Tested
Print the final lines of a file
Linux Commands: Use tail -n for a fixed-size suffix of a log.
Linux Commands✓ Tested
Process a slice in bounded chunks
Process a slice in bounded chunks in a complete Rust program using the standard library.
Rust✓ Tested
Propagate a parsing error with question mark
Propagate a parsing error with question mark in a complete Rust program using the standard library.
Rust✓ Tested
Protect a shared counter
Protect a shared counter using a complete Go program with explicit sample inputs.
Go✓ Tested
Protect shared mutable state with a mutex
Protect shared mutable state with a mutex in a complete Rust program using the standard library.
Rust✓ Tested
Provide a default environment value
Set a runtime default that can be overridden at startup.
Dockerfile✓ Tested
Provide a default for a missing value
Provide a default for a missing value in a complete Rust program using the standard library.
Rust✓ Tested
Put an optional service behind a profile
Keep a utility service separate from a normal Compose startup.
Compose✓ Tested
Query an ordered map’s key range
Query an ordered map’s key range in a complete Rust program using the standard library.
Rust✓ Tested