Results for “Small algorithms & bit operations”
Small, practical examples. Search by task or narrow things down below.
Extract filename components
Python: Use pathlib properties to separate a directory, filename stem, and suffix.
Python✓ Tested
Find a median element without fully sorting
C++: nth_element partitions around the element that would occupy the chosen sorted position.
C++✓ Tested
Find both extremes in one algorithm call
C++: Check for a nonempty input before dereferencing the returned iterators.
C++✓ Tested
Find matching files recursively
Python: Use rglob and sorted relative paths for a reproducible recursive file listing.
Python✓ Tested
Find matching files recursively
PowerShell: Select files explicitly and sort their names for predictable presentation.
PowerShell✓ Tested
Find rows in the first result but not the second
SQL: EXCEPT calculates a distinct result-set difference.
SQL✓ Tested
Find rows in the first result but not the second
SQL Server: EXCEPT calculates a distinct result-set difference.
SQL Server✓ Tested
Find rows in the first result but not the second
Postgres: EXCEPT calculates a distinct result-set difference.
Postgres✓ Tested
Find rows in the first result but not the second
SQLite: EXCEPT calculates a distinct result-set difference.
SQLite✓ Tested
Find rows shared by two query results
SQL: INTERSECT compares complete selected rows and removes duplicates.
SQL✓ Tested
Find rows shared by two query results
SQL Server: INTERSECT compares complete selected rows and removes duplicates.
SQL Server✓ Tested
Find rows shared by two query results
Postgres: INTERSECT compares complete selected rows and removes duplicates.
Postgres✓ Tested