Latest Articles

Achieving Fault Tolerance With Resilience4j

Learn how Resilience4j, a fault tolerance library, can help design each layer of your application to handle errors and operate through failures.

August 9, 2017

by Bohdan Storozhuk

· 36,326 Views · 18 Likes

Introduction to Imitation Learning

Imitation learning can help us solve sample inefficiency and computational feasibility problems, and also might potentially make the AI training process safer.

August 9, 2017

by Vitaly Kurin

· 5,578 Views · 2 Likes

Mapping JPA in Your Database With the Time API

Throughout application development, you need to make CRUD operations on our stored data. Postgres and the Time API can help you map JPA in your database.

August 9, 2017

by Tomasz J-ski

· 48,203 Views · 5 Likes

Kafka Architecture

Learn about the architecture and functionality of Kafka, the software for building real-time streaming data pipelines, in this comprehensive primer.

August 9, 2017

by Jean-Paul Azar

· 137,138 Views · 111 Likes

Singleton Pattern: A Deep Dive

This breakdown of the oft-criticized singleton pattern describes some proper use cases for it as well as various means of implementing it.

August 9, 2017

by Arun Pandey

CORE

· 72,358 Views · 68 Likes

The HTTP Series (Part 4): Authentication Mechanisms

If you're looking to up your web or network security game, read on for an in-depth analysis on HTTP authentication, and how you can use it.

Updated August 9, 2017

by Vladimir Pecanac

· 12,812 Views · 9 Likes

WPF Validation: How to Validate the Whole Form on the Button Click

In this tutorial, you'll learn how to add a validation field to your application that will be able to tell the user if they've entered incorrect credentials.

August 9, 2017

by Victor Osetskyi

· 43,872 Views · 5 Likes

Serverless and Python: ''Unable to Import Module 'Handler'''

If you're a Python fan who enjoys using the Serverless library and virtualenv, you might be running into a dependency error. Here's one solution to the problem.

Updated August 9, 2017

by Mark Needham

· 31,931 Views · 1 Like

Introduction to JPA Using Spring Boot Data

Object relational impedance mismatch involves databases with many-to-many relationships that comparatively have mismatched data. Read on a more in-depth introduction!

August 8, 2017

by Ranga Karanam

· 239,204 Views · 22 Likes

Concatenating Strings in Java 8

This walkthrough of string concatenation explores the additions Java 8 made as well as how to use it with relatively new classes, like Optional.

August 8, 2017

by Daniela Kolarova

CORE

· 118,060 Views · 39 Likes

CompletionStage Support in Server-Side JAX-RS

JAX-RS 2.1 offers new support for asynchronous processing. Let's see how CompletionStage works with a sample app and a corresponding code breakdown.

August 8, 2017

by Abhishek Gupta

CORE

· 9,348 Views · 4 Likes

Docker Images Tree Visualization

See how you can still get a hierarchy tree visualization of the images in your container after the most recent Docker release.

August 8, 2017

by Peter Pilgrim

· 20,316 Views · 5 Likes

Composite Source in Mule

Learn about how and when to use the composite source scope in Mule flows to listen to multiple channels for incoming messages.

August 8, 2017

by Ankit Lawaniya

· 11,727 Views · 13 Likes

RxJava: flatMap() vs. concatMap() vs. concatMapEager()

On the face of it, flatMap, concatMap, and concatMapEager do largely the same thing. But let's look under the hood to see which works best in a given situation.

Updated August 8, 2017

by Tomasz Nurkiewicz

· 16,720 Views · 9 Likes

Put Your Java 8 Method References to Work

Method references in Java like String::isEmpty can be used easily, but their negations cannot. Read this article and find out how to fix this problem and improve your code.

Updated August 7, 2017

by Per-Åke Minborg

· 34,459 Views · 31 Likes

Using Netflix OSS + Spring Cloud Netflix: Part 1

Learn how to use Netflix's open source components on its Spring Cloud to build a scalable distributed system of microservices.

August 7, 2017

by Ramzi Yassine

· 23,156 Views · 12 Likes

July in Web Dev: Approximations, Frameworks, and Callback Hell

In this post, we go over the best article of June from DZone's Web Dev Zone, showcase a couple of great jobs, and link to some of our great web dev publications.

August 7, 2017

by Jordan Baker

· 4,542 Views · 3 Likes