Results for “Containers & compound values”
Small, practical examples. Search by task or narrow things down below.
Remove duplicate values while keeping the smallest key
SQLite: Identify retained keys in a grouped subquery before deleting other copies.
SQLite✓ Tested
Remove duplicate values with a Set
Keep the first occurrence order while deduplicating.
Set✓ Tested
Remove odd values
Use the erase-remove idiom to filter a C++ vector in place.
C++✓ Tested
Report duplicate business values and their frequency
SQL: Group by a candidate business key and retain only groups with multiple rows.
SQL✓ Tested
Report duplicate business values and their frequency
SQL Server: Group by a candidate business key and retain only groups with multiple rows.
SQL Server✓ Tested
Report duplicate business values and their frequency
Postgres: Group by a candidate business key and retain only groups with multiple rows.
Postgres✓ Tested
Report duplicate business values and their frequency
SQLite: Group by a candidate business key and retain only groups with multiple rows.
SQLite✓ Tested
Require numeric values on a chosen step
HTML: The step interval is measured from the minimum value when one is provided.
HTML✓ Tested
Restore a form’s original default values
jQuery: Call the native reset method through the underlying form element.
jQuery✓ Tested
Return multiple named values from a method
C#: Named value tuples give lightweight field names without a separate class.
C#✓ Tested
Return two values from a function
Return two values from a function using a complete Go program with explicit sample inputs.
Go✓ Tested
Round halfway floating-point values away from zero
C++: std::round has an explicit halfway rule different from truncation.
C++✓ Tested