Results for “du”
Small, practical examples. Search by task or narrow things down below.
Format several integers in a fixed buffer
Arduino / C: snprintf limits writes to the buffer size and includes a terminating null byte.
Arduino / C✓ Tested
Format whole seconds as hours minutes and seconds
JavaScript: Use integer divisions and remainders for a nonnegative duration.
JavaScript✓ Tested
Format whole seconds as hours minutes and seconds
TypeScript: Use integer divisions and remainders for a nonnegative duration.
TypeScript✓ Tested
Generate and measure a short output pulse
Arduino / C: delayMicroseconds can create a short blocking pulse on an output pin.
Arduino / C✓ Tested
Give an LED pin a constant name
Arduino / C: Use const to name the built-in LED pin and reuse it in output instructions.
Arduino / C✓ Tested
Group related readings in a struct
Arduino / C: A struct keeps a sample’s fields together without dynamic allocation.
Arduino / C✓ Tested
Handle incomplete serial input
Arduino / C: The returned byte count distinguishes a complete payload from a timed-out partial one.
Arduino / C✓ Tested
Hello World: Blink
Arduino / C: Blink the built-in LED slowly and then quickly, repeating both rates in loop().
Arduino / C✓ Tested
Ignore small movements around a center value
Arduino / C: Values inside the deadband become zero while others keep their direction.
Arduino / C✓ Tested
Initialize state lazily
Initialize state lazily with a small React component and explicit browser behavior.
React✓ 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