By Leemay Nassery — Practical A/B Testing is now out of beta and in print: Practical A/B Testing Whether you're a catalyst for organizational change or have the support you need to create an engineering culture that…pragprog.com Share your thoughts, experiences, and questions on the book’s DevTalk page, where you will also find a promo code that saves you 35 percent: Practical A/B Testing Book Portal | Devtalk Unlock the power of A/B testing to verify your hypothesis, build more inclusive products, and ensure your changes are…devtalk.com

Using a Delay When Verifying a Method Call on a Mock In Mockito —

An excerpt from Python Testing with pytest by Brian Okken —

Make the Most of Your Terminal Sessions — Make your Linux terminal more useful with tmux, a terminal multiplexer that allows you to run multiple Linux programs over a single connection.

Make a Method Return Values Based on Its Input Arguments — In this article: * The Service I Want to Test * Testing Approaches * Setting Expectations * Is There a Better Way? * Simplifying the Test * A More Elegant Solution * Summing Up For developers who prefer to watch a video rather than read a blog post, here a…

An excerpt from Powerful Command-Line Applications in Go by Ricardo Gerardi —

Now Is the Time to Learn Rust and Go —

Go is an open source programming language that combines a dynamic language’s ease of use with the reliability and performance of a statically typed, compiled language.

Using Mockito’s Inline Mock Maker —