Results for “active low”
Small, practical examples. Search by task or narrow things down below.
Calculate a cumulative integer percentage
SQLite: Divide a running window sum by the complete total using a unique ordering key.
SQLite✓ Tested
Calculate a least common multiple using a GCD
C: Divide before multiplying to reduce the risk of intermediate overflow.
C✓ Tested
Calculate a running total
Accumulate values in row order.
window✓ Tested
Calculate a SHA-256 content digest
Java: Hash UTF-8 bytes and format the result as lowercase hexadecimal.
Java✓ Tested
Calculate a total for each group
SQL: Group nonmissing categories and calculate separate totals.
SQL✓ Tested
Calculate a total for each group
SQL Server: Group nonmissing categories and calculate separate totals.
SQL Server✓ Tested
Calculate a total for each group
Postgres: Group nonmissing categories and calculate separate totals.
Postgres✓ Tested
Calculate a total for each group
SQLite: Group nonmissing categories and calculate separate totals.
SQLite✓ Tested
Calculate a two-dimensional vector length
C++: hypot avoids unnecessary intermediate overflow in the sum of squares.
C++✓ Tested
Calculate a value with SELECT
SQL: Evaluate a small arithmetic expression on the database server.
SQL✓ Tested
Calculate a value with SELECT
SQL Server: Evaluate a small arithmetic expression on the database server.
SQL Server✓ Tested
Calculate a value with SELECT
Postgres: Evaluate a small arithmetic expression on the database server.
Postgres✓ Tested