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

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ReactState & reducers

Reset reducer state explicitly

Reset reducer state explicitly with a small React component and explicit browser behavior.

React✓ Tested
ReactCustom hooks

Reset state to a caller-provided initial value

Reset state to a caller-provided initial value with a small React component and explicit browser behavior.

React✓ Tested
GitMerging & replaying changes

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
GoHTTP & URLs

Resolve a relative URL

Resolve a relative URL using a complete Go program with explicit sample inputs.

Go✓ Tested
HTMLMetadata & document links

Resolve relative links against an explicit base

HTML: A base href changes how relative document URLs are resolved.

HTML✓ Tested
CSSInteraction & themes

Respect reduced motion

Disable a CSS animation when the user prefers reduced motion.

CSS✓ Tested
jQueryGetting Started

Respond to a button click

jQuery: Learn how to respond to a button click in a complete browser example.

jQuery✓ Tested
jQueryEvent control

Respond to the Enter key

jQuery: Use the event key rather than deprecated numeric key codes.

jQuery✓ Tested
jQueryGetting Started

Respond when a select value changes

jQuery: Learn how to respond when a select value changes in a complete browser example.

jQuery✓ Tested
jQueryGetting Started

Respond while a user types

jQuery: Learn how to respond while a user types in a complete browser example.

jQuery✓ Tested
Docker / ComposeContainer lifecycle

Restart an existing container

Docker / Compose: restart starts the same container again while retaining its writable layer.

Docker / Compose✓ Tested
HTMLTables & list numbering

Restart numbering at an individual list item

HTML: A value on one ordered-list item sets its ordinal and affects following items.

HTML✓ Tested