Results for “all”
Small, practical examples. Search by task or narrow things down below.
List regular files recursively in sorted order
C++: Collect relative paths before sorting because directory iteration order is unspecified.
C++✓ Tested
List running processes
Display process IDs, parent process IDs, and command names for all visible processes.
process✓ 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
Load environment variables from a file
Docker / Compose: An env file supplies one KEY=value assignment per line.
Docker / Compose✓ Tested
Load service variables from an env file
Docker / Compose: env_file supplies runtime environment values.
Docker / Compose✓ Tested
Look up a dictionary value
Use TryGetValue for a C# dictionary lookup with a fallback.
C#✓ Tested
Look up a map key
Use find to read a C++ map without inserting a missing key.
C++✓ Tested
Look up values in an associative array
Use named keys for a small in-memory configuration table.
dictionary✓ Tested
Make a Compose service’s filesystem read-only
Docker / Compose: Make a Compose service’s filesystem read-only in a small Compose file.
Docker / Compose✓ Tested