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Small, practical examples. Search by task or narrow things down below.

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PowerShellGetting Started

Define a function with a parameter

PowerShell: Define a function with a parameter using PowerShell 7.

PowerShell✓ Tested
PowerShellFunctions & control

Define a function with a typed parameter

Accept a name and return a greeting.

function✓ Tested
Docker / ComposeCompose applications

Define a one-off Compose service

Describe an image and command in a reusable YAML file.

Compose✓ Tested
JavaRecords & reliable control flow

Define an immutable data record

Java: A local record gives a small Java data carrier named accessors and value semantics.

Java✓ Tested
RustFunctions & data types

Define behavior with a trait

Define behavior with a trait in a complete Rust program using the standard library.

Rust✓ Tested
GoFunctions & types

Define related integer constants

Define related integer constants using a complete Go program with explicit sample inputs.

Go✓ Tested
TypeScriptPromises & iteration protocols

Delegate iteration to another iterable

TypeScript: yield-star forwards items from another iterable while retaining generator composition.

TypeScript✓ Tested
jQueryForm serialization & state

Delete a cached data entry

jQuery: removeData removes the jQuery cache value for the selected key.

jQuery✓ Tested
GitRemotes & additional checkouts

Delete a chosen branch from a practice remote

Git: The delete push removes only the explicitly named remote branch.

Git✓ Tested
JavaFile operations & binary data

Delete a known temporary file if present

Java: deleteIfExists returns whether a file was removed and still reports other I/O errors.

Java✓ Tested
GoMaps & sets

Delete a map entry

Delete a map entry using a complete Go program with explicit sample inputs.

Go✓ Tested
GitBranches & ancestry

Delete an already merged practice branch

Git: The lowercase -d option refuses to delete an unmerged branch in ordinary use.

Git✓ Tested