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How-To

Part two of five

Testing your frontend code: Unit testing

How do you start testing your apps? In the second installment in a series of five articles, JAX London speaker Gil Tayar introduces frontend testing for beginners, starting from what it is and why testing code is not optional.

How to use Kotlin

Kotlin cheat sheet: Tips & tricks

Google recently declared Kotlin as a first-class language. This increased visibility means everyone is looking at this programming language. Here, Dmitry Jemerov explains some tips and tricks for dealing with basic syntax, classes, and more in Kotlin.

"A sharder's tale"

Failure, DevOps and data migration at Etsy

Etsy engineer Bethany Macri speaks about the company’s decision to move from Postgres to MySQL and the tools and workplace culture their software has used to take a successful DevOps approach.

Python basics

Why learn Python?

If you’re thinking of taking a deeper look at Python, you’ll first need some answers. What’s it like to program with Python? What scenarios does it work best in? And where is it better than competitors like Ruby, Java and C++?

JAX-WS API Tutorial

Creating SOAP Web Services using JAX-WS

This article explains how to create SOAP-based web services using the JAX-WS API and deploy it with Tomcat. The tutorial follows a step-by-step approach to writing a client using Java’s wsimport utility.