Results for “Input streams & redirection”
Small, practical examples. Search by task or narrow things down below.
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
Represent a set with empty structs
Represent a set with empty structs using a complete Go program with explicit sample inputs.
Go✓ Tested
Require a locally available image
Docker / Compose: The never pull policy fails for missing images instead of attempting a download.
Docker / Compose✓ Tested
Require a value with NOT NULL
SQL: Declare required fields at the database boundary, not only in application validation.
SQL✓ Tested
Require a value with NOT NULL
SQL Server: Declare required fields at the database boundary, not only in application validation.
SQL Server✓ Tested
Require a value with NOT NULL
Postgres: Declare required fields at the database boundary, not only in application validation.
Postgres✓ Tested
Require a value with NOT NULL
SQLite: Declare required fields at the database boundary, not only in application validation.
SQLite✓ Tested
Resolve a merge by writing the intended final file
Git: After a conflict, edit the result, stage it, and finish the merge commit.
Git✓ Tested
Resolve a peer’s name on a user-defined network
Docker / Compose: The embedded DNS service resolves names on user-defined bridges.
Docker / Compose✓ Tested
Resolve a relative URL
Resolve a relative URL using a complete Go program with explicit sample inputs.
Go✓ Tested
Restart an existing container
Docker / Compose: restart starts the same container again while retaining its writable layer.
Docker / Compose✓ Tested