The snippet library.
Small, practical examples. Search by task or narrow things down below.
Calculate differences between adjacent readings
TypeScript: Slice off the first value and compare each remaining value with its predecessor.
TypeScript✓ Tested
Calculate each group’s integer percentage of the total
SQL: Multiply before division and protect against a zero denominator.
SQL✓ Tested
Calculate each group’s integer percentage of the total
SQL Server: Multiply before division and protect against a zero denominator.
SQL Server✓ Tested
Calculate each group’s integer percentage of the total
Postgres: Multiply before division and protect against a zero denominator.
Postgres✓ Tested
Calculate each group’s integer percentage of the total
SQLite: Multiply before division and protect against a zero denominator.
SQLite✓ Tested
Calculate each group’s numeric spread
SQL: Subtract MIN from MAX to report the difference between extremes.
SQL✓ Tested
Calculate each group’s numeric spread
SQL Server: Subtract MIN from MAX to report the difference between extremes.
SQL Server✓ Tested
Calculate each group’s numeric spread
Postgres: Subtract MIN from MAX to report the difference between extremes.
Postgres✓ Tested
Calculate each group’s numeric spread
SQLite: Subtract MIN from MAX to report the difference between extremes.
SQLite✓ Tested
Calculate integers beyond Number’s precise range
JavaScript: Use BigInt operands together to avoid precision loss.
JavaScript✓ Tested
Calculate integers beyond Number’s precise range
TypeScript: Use BigInt operands together to avoid precision loss.
TypeScript✓ Tested
Calculate several numeric stream statistics
Java: Use summaryStatistics to calculate count, sum, minimum, maximum, and average in one pass.
Java✓ Tested