At Databricks, we are developing a set of reference applications that demonstrate how to use Apache Spark. This book/repo contains the reference applications.
Owing to its versatile functionalities, netcat earns the reputation as "TCP/IP Swiss army knife". For example, you can create a simple chat app using netcat:
Welcome to The Rust Programming Language, an introductory book about Rust. The Rust programming language helps you write faster, more reliable software.