Results for “SUM”
Small, practical examples. Search by task or narrow things down below.
Average a fixed set of readings
Accumulate sample values without overflowing a 16-bit total.
array✓ 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 fixed-window moving average
C: For this small window, sum each complete group and skip incomplete prefixes.
C✓ Tested
Calculate a two-dimensional vector length
C++: hypot avoids unnecessary intermediate overflow in the sum of squares.
C++✓ Tested
Calculate cumulative totals
Python: Use accumulate to retain the running sum after each input.
Python✓ Tested
Calculate several numeric stream statistics
Java: Use summaryStatistics to calculate count, sum, minimum, maximum, and average in one pass.
Java✓ Tested
Check for an installed command
Bash Scripts: command -v checks command resolution without assuming a specific installation path.
Bash Scripts✓ Tested
Compare two generated sorted streams
Bash Scripts: Process substitution lets a command consume another command’s output as a file-like input.
Bash Scripts✓ Tested
Compress a file and keep the original
Create a gzip-compressed copy of a file while leaving the uncompressed original in place.
gzip✓ Tested