Callback Hell Callbacks are a useful feature of JavaScript’s that enables it make asynchronous calls. They are functions that are usually passed on as a second parameter to another function that is ...

Node.js is a lean, fast, cross-platform JavaScript runtime environment that is useful for both servers and desktop applications.

Tip #3 – Verify callback before use — Setting the initial value of the callback pointer to NULL or to a generic handler allows the interrupt to validate that an interrupt handler has been set. When ...