# Summary [Preface](./preface.md) - [RTFM by example](./by-example.md) - [The `app` attribute](./by-example/app.md) - [Resources](./by-example/resources.md) - [Tasks](./by-example/tasks.md) - [Timer queue](./by-example/timer-queue.md) - [Singletons](./by-example/singletons.md) - [Types, Send and Sync](./by-example/types-send-sync.md) - [Starting a new project](./by-example/new.md) - [Tips & tricks](./by-example/tips.md) - [Under the hood](./internals.md) - [Ceiling analysis](./internals/ceilings.md) - [Task dispatcher](./internals/tasks.md) - [Timer queue](./internals/timer-queue.md)