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

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GoFunctions & types

Accept a small behavior interface

Accept a small behavior interface using a complete Go program with explicit sample inputs.

Go✓ Tested
CNumbers & memory

Allocate a zeroed array

Check calloc, use the allocation, and release it in C.

C✓ Tested
CDynamic memory & ownership

Allocate an independent copy of a C string

C: Include one extra byte for the terminating null character.

C✓ Tested
CDynamic memory & ownership

Allocate and free a typed array

C: Use sizeof on the pointed-to type and check allocation success before writing.

C✓ Tested
CDynamic memory & ownership

Allocate and initialize a structure

C: Use a compound literal assignment to initialize all ordinary structure fields.

C✓ Tested
CSSFlexbox alignment

Allow a long flex child to shrink inside its container

CSS: Min-width zero removes the default content-size floor so local overflow handling can take effect.

CSS✓ Tested
HTMLImages & embedded documents

Allow embedded scripts without granting same-origin access

HTML: Grant only allow-scripts so the sandboxed document retains an opaque origin.

HTML✓ Tested
CSSGetting Started

Allow long content to scroll

CSS: Learn how to allow long content to scroll in a complete browser example.

CSS✓ Tested
HTMLNative disclosure & dialogs

Allow one disclosure in a named group to stay open

HTML: Matching details name attributes create an exclusive native accordion in supporting browsers.

HTML✓ Tested
CSSVisual treatment & accessibility

Allow pointer input to pass through a decorative overlay

CSS: Pointer-events none excludes the overlay from ordinary pointer hit testing.

CSS✓ Tested
HTMLInput constraints

Allow several selected options

HTML: A multiple select exposes each selected option as a value with the same control name.

HTML✓ Tested
PowerShellArray operations

Append an item to a small array

PowerShell: The plus-equals operator builds a new array; use a generic list for repeated large additions.

PowerShell✓ Tested