Results for &#x201C;record&#x201D;

Print only duplicate values

Linux Commands: Use uniq -d after sorting to report each repeated value once.

PowerShellHashtables & object records

Remove an optional hashtable entry

PowerShell: Remove changes the map in place without changing unrelated entries.

PowerShell✓ Tested

Represent a finite set of states

Java: Use an enum to prevent arbitrary strings from representing application states.

Return a value from a switch expression

Java: Use an exhaustive switch expression with a fallback for other input values.

Run a task on an executor and close it

Java: Java 21 ExecutorService supports try-with-resources to shut down after submitted work.

Run cleanup after a handled exception

Java: A finally block executes whether the protected operation succeeds or fails.

Sort lines by numeric value

Linux Commands: Use sort -n so 10 sorts after 2 instead of before it.

Sort values in descending order

Linux Commands: Combine numeric sorting with reverse order.

Sort version-like labels naturally

Linux Commands: Use GNU version sort to compare embedded digit runs numerically.

Transform an asynchronous result

Java: Chain thenApply and join a CompletableFuture to retrieve the completed value.

Transform an optional value

Java: Use Optional.map and orElse to transform a possibly absent result.