FIND YOUR NEXT FEW LINES

Results for “no”

Small, practical examples. Search by task or narrow things down below.

986 snippets foundClear filters
Bash ScriptsDiagnostics & defensive scripting

Check for an installed command

Bash Scripts: command -v checks command resolution without assuming a specific installation path.

Bash Scripts✓ Tested
Bash ScriptsDiagnostics & defensive scripting

Check whether a function has been defined

Bash Scripts: declare -F tests a function name without executing it.

Bash Scripts✓ Tested
Arduino / CGetting Started

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
Arduino / CBinary values & packets

Clear a flag without affecting neighboring bits

Arduino / C: bitClear resets only the selected bit.

Arduino / C✓ Tested
Arduino / CGetting Started

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
Arduino / CText & bounded buffers

Compare a command case-sensitively

Arduino / C: strcmp returns zero when both null-terminated strings match.

Arduino / C✓ Tested
Bash ScriptsVariables & text

Convert a string to lowercase

Normalize a text value using Bash expansion.

lowercase✓ Tested
Arduino / CSensor calculations

Convert a supplied ADC count to volts

Arduino / C: Scale a ten-bit ADC count using an explicit reference voltage.

Arduino / C✓ Tested
Arduino / CSensor calculations

Convert Celsius to Fahrenheit

Arduino / C: Use floating-point constants to avoid integer division.

Arduino / C✓ Tested
Arduino / CSerial protocols

Convert received ASCII letters to uppercase

Arduino / C: ctype functions should receive an unsigned character value.

Arduino / C✓ Tested
Arduino / CEEPROM & program memory

Copy a flash string into a bounded RAM buffer

Arduino / C: strncpy_P reads from program memory into ordinary RAM.

Arduino / C✓ Tested
Arduino / CDigital signals & interrupts

Copy a multibyte interrupt-owned counter atomically

Arduino / C: ATOMIC_RESTORESTATE restores the interrupt state after reading a shared value.

Arduino / C✓ Tested