Results for “Input streams & redirection”
Small, practical examples. Search by task or narrow things down below.
Explain a calculation with a comment
C++: Keep the code executable while documenting why a fixed input is used.
C++✓ Tested
Explain a calculation with a comment
C: Keep the code executable while documenting why a fixed input is used.
C✓ Tested
Explain which ignore rule matches a file
Git: check-ignore -v reports the source file, line, pattern, and matched path.
Git✓ Tested
Export a container filesystem into a new image
Docker / Compose: export contains filesystem data; import creates a new image from it.
Docker / Compose✓ Tested
Export committed files without the Git metadata directory
Git: Git archive creates a snapshot of tracked committed files only.
Git✓ Tested
Expose a reusable filtered view
SQL: A view stores a query definition rather than a snapshot of its rows.
SQL✓ Tested
Expose a reusable filtered view
SQL Server: A view stores a query definition rather than a snapshot of its rows.
SQL Server✓ Tested
Expose a reusable filtered view
Postgres: A view stores a query definition rather than a snapshot of its rows.
Postgres✓ Tested
Expose a reusable filtered view
SQLite: A view stores a query definition rather than a snapshot of its rows.
SQLite✓ Tested
Extract a route path variable
Extract a route path variable using a complete Go program with explicit sample inputs.
Go✓ Tested
Extract digit sequences
Extract digit sequences using a complete Go program with explicit sample inputs.
Go✓ Tested
Filter aggregate groups
Keep only categories with multiple products.
HAVING✓ Tested