Results for “Promise.all”
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 cumulative integer percentage
SQL: Divide a running window sum by the complete total using a unique ordering key.
SQL✓ Tested
Calculate a cumulative integer percentage
SQL Server: Divide a running window sum by the complete total using a unique ordering key.
SQL Server✓ Tested
Calculate a cumulative integer percentage
Postgres: Divide a running window sum by the complete total using a unique ordering key.
Postgres✓ Tested
Calculate a cumulative integer percentage
SQLite: Divide a running window sum by the complete total using a unique ordering key.
SQLite✓ Tested
Calculate a cumulative sum for each position
C: Keep a running total and store each prefix result in a separate output array.
C✓ Tested
Calculate a file’s SHA-256 digest
PowerShell: Get-FileHash hashes bytes without requiring the caller to load the whole file.
PowerShell✓ Tested
Calculate a lexical relative path
C++: lexically_relative compares path components without requiring the paths to exist.
C++✓ 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 running total
Accumulate values in row order.
window✓ 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
C++: Multiply a unit price by a quantity, then add a delivery fee.
C++✓ Tested