Asynchronous code (async code) says: go do something while I do other things, then let me know what happened when the results are ready. Also known as concurrency, async is important in a variety of ...

Callbacks are references to executable code that higher levels of software pass into a function. These callbacks have the ability to greatly increase the portability and reuse of embedded software, ...

Peter starts integrating a TypeScript client-side object with a server-side Web API service. Along the way, he looks at method overloading (not good), making JSON calls (good), testing asynchronous ...