Results for “z”
Small, practical examples. Search by task or narrow things down below.
Check both ends of a range
Arduino / C: Check both ends of a range on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Check EEPROM capacity before a write
Arduino / C: length reports the available address count for this board.
Arduino / C✓ Tested
Check that a file is present and nonempty
Test file content availability before reading it.
file check✓ Tested
Check whether text is valid JSON
Reject malformed input before processing it.
json_valid✓ Tested
Choose the smaller of two values
Arduino / C: Choose the smaller of two values on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Clear a flag without affecting neighboring bits
Arduino / C: bitClear resets only the selected bit.
Arduino / C✓ Tested
Collect a serial line in a fixed buffer
Read a short command without dynamic String allocation.
serial line✓ Tested
Combine a fixed sidebar with a flexible content track
CSS: Minmax zero avoids an intrinsic minimum forcing the flexible track wider than its container.
CSS✓ Tested
Combine several Serial.print calls
Arduino / C: Combine several Serial.print calls on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Compare a command case-sensitively
Arduino / C: strcmp returns zero when both null-terminated strings match.
Arduino / C✓ Tested
Compare a row with the previous row
Read a preceding value with LAG.
LAG✓ Tested
Compare elapsed time across timer rollover
Use unsigned subtraction when a millisecond counter wraps.
rollover✓ Tested