Results for “pair”
Small, practical examples. Search by task or narrow things down below.
Decode a validated pair of hexadecimal digits
C: Convert each nibble and reject a nonhexadecimal character before combining them.
C✓ Tested
List unordered pairs without duplicate reversals
SQL: Join using an increasing key comparison to omit self-pairs and reversed duplicates.
SQL✓ Tested
List unordered pairs without duplicate reversals
SQL Server: Join using an increasing key comparison to omit self-pairs and reversed duplicates.
SQL Server✓ Tested
List unordered pairs without duplicate reversals
Postgres: Join using an increasing key comparison to omit self-pairs and reversed duplicates.
Postgres✓ Tested
List unordered pairs without duplicate reversals
SQLite: Join using an increasing key comparison to omit self-pairs and reversed duplicates.
SQLite✓ Tested
Make a pair of columns unique together
SQL: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQL✓ Tested
Make a pair of columns unique together
SQL Server: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQL Server✓ Tested
Make a pair of columns unique together
Postgres: A composite primary key permits repeated individual values while forbidding a duplicate combination.
Postgres✓ Tested
Make a pair of columns unique together
SQLite: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQLite✓ Tested
Pair corresponding array items by position
JavaScript: Validate equal lengths before zipping when missing counterparts would be an error.
JavaScript✓ Tested
Pair corresponding array items by position
TypeScript: Validate equal lengths before zipping when missing counterparts would be an error.
TypeScript✓ Tested
Pair corresponding collection elements
C#: Zip stops at the shorter sequence, so validate lengths separately if mismatches are an error.
C#✓ Tested