Results for “read-only”
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
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
Read 16-bit values from a flash table
Arduino / C: pgm_read_word retrieves a complete word from program memory.
Arduino / C✓ Tested
Read a big-endian integer from bytes
Java: Set a byte order explicitly when handling a binary protocol.
Java✓ Tested
Read a button in the Serial Monitor
Arduino / C: Use a pull-up input and if/else to report three button readings.
Arduino / C✓ Tested
Read a button with the internal pull-up
Treat a grounded input as a pressed button.
INPUT_PULLUP✓ Tested
Read a byte lookup table from flash
Arduino / C: PROGMEM tables require the AVR program-memory access functions.
Arduino / C✓ Tested
Read a byte prefix
Linux Commands: Use GNU head -c for a fixed number of bytes, independent of line boundaries.
Linux Commands✓ Tested
Read a byte suffix
Linux Commands: Use GNU tail -c to extract a fixed-size ending.
Linux Commands✓ Tested
Read a collection element
PowerShell: Read a collection element using PowerShell 7.
PowerShell✓ Tested
Read a completed example’s output
Docker / Compose: Read a completed example’s output using a locally available Ubuntu image.
Docker / Compose✓ Tested