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

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ReactCustom hooks

Reuse controlled-input bindings

Reuse controlled-input bindings with a small React component and explicit browser behavior.

React✓ Tested
ReactCustom hooks

Reuse document-title synchronization

Reuse document-title synchronization with a small React component and explicit browser behavior.

React✓ Tested
ReactCustom hooks

Reuse event subscription cleanup

Reuse event subscription cleanup with a small React component and explicit browser behavior.

React✓ Tested
Docker / ComposeCompose service options

Run a Compose service as a non-root user

Docker / Compose: user overrides the image’s default identity.

Docker / Compose✓ Tested
Docker / ComposeExecution & file transfer

Run a one-off process with a numeric user ID

Docker / Compose: The user option overrides the image’s default identity.

Docker / Compose✓ Tested
Docker / ComposeBuild images

Run an image as a non-root user

Choose an unprivileged numeric identity for the default process.

Dockerfile✓ Tested
ReactEffects & lifecycle

Schedule a one-time update with cleanup

Schedule a one-time update with cleanup with a small React component and explicit browser behavior.

React✓ Tested
ReactRefs & DOM interaction

Scroll a referenced element into view

Scroll a referenced element into view with a small React component and explicit browser behavior.

React✓ Tested
ReactComponents & props

Select a component variant explicitly

Select a component variant explicitly with a small React component and explicit browser behavior.

React✓ Tested
ReactRefs & DOM interaction

Select the contents of an input

Select the contents of an input with a small React component and explicit browser behavior.

React✓ Tested
ReactContext & shared state

Separate state and dispatch contexts

Separate state and dispatch contexts with a small React component and explicit browser behavior.

React✓ Tested
Docker / ComposeBuild images

Set a working directory

Choose the default directory for later instructions and the running process.

Dockerfile✓ Tested