Results for “to_char”
Small, practical examples. Search by task or narrow things down below.
Count bytes in a file
Linux Commands: Use wc -c for byte length rather than Unicode character count.
Linux Commands✓ Tested
Count down with a bounded loop
Arduino / C: Count down with a bounded loop on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Count five LED flashes with a for loop
Arduino / C: Repeat an LED action a known number of times and print the current count.
Arduino / C✓ Tested
Count lines in a file
Count newline characters in a text file, printing only the count without the filename.
lines✓ Tested
Count the elements in an array
Bash Scripts: The array length form counts assigned elements, not characters in the first value.
Bash Scripts✓ Tested
Count Unicode code points
Java: Use codePointCount when supplementary characters should count as one rather than two UTF-16 units.
Java✓ Tested
Debounce a button with a stable-time check
Accept an input change only after it stays stable for 30 ms.
debounce✓ Tested
Decode a validated pair of hexadecimal digits
C: Convert each nibble and reject a nonhexadecimal character before combining them.
C✓ Tested
Decode hexadecimal bytes
C#: FromHexString and ToHexString handle binary data without manually parsing pairs of characters.
C#✓ Tested
Detect truncated formatted output
Arduino / C: snprintf returns the length it would have written, excluding the null terminator.
Arduino / C✓ Tested
Dispatch a command through function pointers
Arduino / C: A small function table can map validated command indices to actions.
Arduino / C✓ Tested
Drive the built-in LED low after turning it on
Arduino / C: digitalWrite changes the actual output level of a configured pin.
Arduino / C✓ Tested