Results for “z”
Small, practical examples. Search by task or narrow things down below.
Increment a counter without an unexpected errexit
Bash Scripts: An assignment avoids the zero-result exit status of a standalone arithmetic post-increment.
Bash Scripts✓ Tested
Inspect a byte as hexadecimal
Arduino / C: Inspect a byte as hexadecimal on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Inspect a byte without consuming it
Arduino / C: peek leaves the next byte available for a later read.
Arduino / C✓ Tested
Interpolate between two calibration points
Arduino / C: Compute a fractional position before scaling to the output interval.
Arduino / C✓ Tested
Iterate over a fixed array of records
C: Compute the array element count with sizeof at the point where it is still an array.
C✓ Tested
Keep a counter from wrapping at its maximum
Arduino / C: Increment only when the value is below its limit.
Arduino / C✓ Tested
Keep a serial message in flash memory
Arduino / C: The F macro keeps a literal out of scarce SRAM.
Arduino / C✓ Tested
Keep a value inside an allowed range
Arduino / C: Keep a value inside an allowed range on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Keep fixed text in flash memory
Arduino / C: Keep fixed text in flash memory on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Keep unmatched rows with LEFT JOIN
Show every product even when stock is missing.
LEFT JOIN✓ Tested
Limit a value to a safe interval
Clamp an integer between chosen endpoints.
constrain✓ Tested
List files in a tar archive
Inspect the contents of a gzip-compressed tar archive without extracting any files.
tar✓ Tested