The snippet library.
Small, practical examples. Search by task or narrow things down below.
Print a single character
Arduino / C: Print a single character on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Print integers in different bases
Inspect a byte in decimal, hexadecimal, and binary.
Serial✓ Tested
Print once from setup
Arduino / C: Print once from setup on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Print only duplicate values
Linux Commands: Use uniq -d after sorting to report each repeated value once.
Linux Commands✓ Tested
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 FIFO queue
C#: Queue removes elements in the order they were enqueued.
C#✓ Tested
Process a file as a lazy line sequence
C#: ReadLines avoids allocating one string containing the entire file.
C#✓ Tested
Process a first-in first-out queue
C++: Queue exposes its front item separately from the operation that removes it.
C++✓ Tested
Process a slice in bounded chunks
Process a slice in bounded chunks in a complete Rust program using the standard library.
Rust✓ Tested