Results for “tr”
Small, practical examples. Search by task or narrow things down below.
Build text efficiently in a loop
Java: Append to StringBuilder when constructing a string incrementally.
Java✓ Tested
Calculate a CRC-8 over a byte sequence
Arduino / C: This implementation uses polynomial 0x07, initial zero, and no reflection.
Arduino / C✓ Tested
Calculate a fixed array’s element count
Arduino / C: Calculate a fixed array’s element count on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Calculate a fixed-window moving average
C: For this small window, sum each complete group and skip incomplete prefixes.
C✓ Tested
Calculate a least common multiple using a GCD
C: Divide before multiplying to reduce the risk of intermediate overflow.
C✓ Tested
Calculate a lexical relative path
C++: lexically_relative compares path components without requiring the paths to exist.
C++✓ Tested
Calculate a page count with ceiling division
TypeScript: Use Math.ceil for a nonnegative item count and a positive page size.
TypeScript✓ Tested
Calculate a page count without an overflowing addition
C: Divide first and add one only when a nonzero remainder remains.
C✓ Tested
Calculate a SHA-256 checksum
Calculate a file checksum so you can compare it with a hash from a trusted source and detect changed contents.
checksum✓ Tested
Calculate a simple packet XOR checksum
Arduino / C: XOR all payload bytes to produce a basic error-detection byte.
Arduino / C✓ Tested
Calculate a simple total
TypeScript: Multiply a unit price by a quantity, then add a delivery fee.
TypeScript✓ Tested
Calculate a simple total
C++: Multiply a unit price by a quantity, then add a delivery fee.
C++✓ Tested