Java

The WebSocket protocol is one of the ways to make your application handle real-time messages. The most common alternatives are long polling and server-sent events. In this article, Toptal Freelance Java Developer Tomasz Dąbrowski shows us how to implement WebSockets with the Spring Boot framework, and use STOMP for effective client-server communication.

The modern, cross-platform programming language Haxe is well-known in some circles, yet many developers have never heard of it. Since it first appeared in 2005, it's been battle-tested by its loyal—if rather quiet—following. In this article, Toptal Freelance Software Engineer Kevin Bloch explores the Haxe ecosystem and how to transpile some sample code.

Spring Integration enables lightweight messaging within Spring-based applications. In this article, Toptal Java Developer Adnan Kukuljac shows how Spring Integration with Redis makes it easy to build a microservice architecture.

Apache JMeter and REST Assured are two very popular Java-based tools for automated testing of REST API services. In this article, Toptal Freelance Java Developer Nemanja Veskovic gives us an overview of the pros and cons of both of these tools and shows where they fit best in your existing REST API projects.

Elasticsearch is one of the most powerful full-text search engine solutions out there. Using the NEST package, you can easily leverage the power of Elasticsearch in your .NET projects. In this article, Toptal Freelance Software Engineer Ivan Cesar shows how Elasticsearch can solve real-world full-text search problems in your .NET projects.

Spring Boot gives very useful error messages to engineers building REST APIs. Yet, those same messages are noisy and useless for the API consumer, not to mention they reveal implementation details. Luckily, there are simple ways of handling this.

Dropwizard allows developers to quickly bootstrap their projects and package applications as easily deployable standalone services. It also happens to be relatively simple to use and implement. In this tutorial, Toptal Freelance Software Engineer Dusan Simonovic will introduce you to Dropwizard and demonstrate how you can use this powerful framework to create RESTful web services with ease.

Build a bot that analyzes the sentiment of incoming email messages using Recursive Neural Tensor Networks from the Stanford NLP library.

Understanding the Input/Output (I/O) model of your application can mean the difference between an application that deals with the load it is subjected to, and one that crumples in the face of real-world uses cases. Perhaps while your application is small and does not serve high loads, it may matter far less. But as your application’s traffic load increases, working with the wrong I/O model can get you into a world of hurt.