Coding Resources

Create Your Own Constraints With Bean Validation 2.0

Take a look at how you can create and export your own custom constraints for Bean Validation with this step-by-step tutorial.

January 9, 2018

by Hillmer Chona

· 108,149 Views · 19 Likes

Butler CLI: Export/Import Jenkins Plugins and Jobs

The Butler CLI makes it easier to import and export Jenkins jobs and plugins when migrating Jenkins jobs to a new server.

January 9, 2018

by Mohamed Labouardy

· 24,400 Views · 3 Likes

Writing Java Microservices With WSO2 Microservices Framework for Java (MSF4J)

Learn about writing microservices in Java with WSO2 Microservices Framework to enable capabilities necessary in a production environment.

January 9, 2018

by Chanaka Fernando

· 12,886 Views · 2 Likes

Java-Based Fraud Detection With Spark MLlib

Learn how to develop an algorithm with Java and Spark MLlib that can detect fraud based on a dataset with seven million records.

January 9, 2018

by Klevis Ramo

· 20,653 Views · 10 Likes

A Guide to Getting Started Quickly With Android Feature Flags

Read on to learn how to quickly build an Android feature flag and go deeper into feature flag management for mobile app development.

January 9, 2018

by Erik Dietrich

· 6,945 Views · 1 Like

Jlink in Java 9

If you haven't played around with Jlink yet, see what Java 9's new command line tool can do to help you create a lightweight, custom JRE.

January 9, 2018

by Shubham Agarwal

· 51,879 Views · 59 Likes

Run and Configure Multiple Instances in a Single Tomcat Server

Learn how to set up several different instances of an application on your Tomcat server, and manipulate each of these instances independently.

Updated January 8, 2018

by Md Nasir Uddin Bhuiyan

· 85,413 Views · 27 Likes

Docker and Continuous Delivery Deployment Types

See how Docker deployment methods make continuous delivery achievable, and what you need to know to get started with CD automation.

January 8, 2018

by Stefan Thorpe

· 23,660 Views · 4 Likes

Kubernetes vs. Mesos: Choosing a Container Orchestration Tool

There are a number of container orchestration players out there, but see how one company narrowed the field to Kubernetes and Mesos (DC/OS) and which one won.

January 8, 2018

by Roi Ravhon

· 21,319 Views · 11 Likes

Understanding flatMap

Taking a walk on Java's functional side? Here are a few good things to know about how flatMap works and what it offers for Optionals and Streams.

January 8, 2018

by Paweł Szeliga

· 38,824 Views · 19 Likes

Chatbot With Angular 5 and DialogFlow

I have seen many posts on how to build a chatbot for a wide variety of collaboration platforms such as Slack, Facebook Messenger, HipChat ... So I decided to...

January 8, 2018

by Mohamed Labouardy

· 25,133 Views · 7 Likes

Spring-Based Apps: Migrating to JUnit 5

With JUnit 5 newly available, we take a look at how migrating your JUnit 4 tests to JUnit 5 might go as well as a couple of pitfalls to avoid.

January 8, 2018

by Biju Kunjummen

· 28,454 Views · 4 Likes

Why Enabling SHA256 Support for XML Signatures Breaks JWT Signing

A developer describes a bug he ran into while trying to add authentication protocols to an application. Read on to see how he got around it!

January 8, 2018

by Anders Abel

· 6,868 Views · 1 Like

7 Things to Know for Getting Started With Spring Boot

Just getting into Spring Boot? Then check out this post for a helping hand in understanding Spring Boot's architecture and functionality.

January 6, 2018

by Ranga Karanam

· 239,160 Views · 70 Likes

Kotlin: The Tuple Type

Get your feet wet with Tuples in Kotlin and how to easily define elements, deconstruct constituent types, and a few other tips to help you out.

January 5, 2018

by Biju Kunjummen

· 28,847 Views · 2 Likes

Understanding @Output and EventEmitter in Angular

Angular is based on a one-directional data flow and does not have two-way data binding. So, how do you get a component to emit an event to another component?

January 5, 2018

by Dhananjay Kumar

· 1,015,379 Views · 29 Likes

Using ADFS With Azure API Management

A DZone MVB explores some issues he ran into while trying to use these two technologies to create an API and push it online.

January 5, 2018

by Anders Abel

· 10,999 Views · 1 Like

Binding Properties From External Sources in Spring Boot Apps

This overview covers five ways you can bind properties from external sources in your Spring Boot apps, including array-, map-, and nested property-based binding.

January 5, 2018

by Arpan Das

· 62,738 Views · 22 Likes

Angular Developer: JavaScript to TypeScript

We take a look at the differences between the different versions of Angular, as well as how they differ from React, and then how to use TS in your Angular projects.

January 5, 2018

by Chris Shatrov

· 61,917 Views · 15 Likes

Run Code on Startup With Play and Scala

Forget GlobalSettings. See how you can use eager singletons in Play to execute actions upon app startup, whether they're needed or not.

January 5, 2018

by Emmanouil Gkatziouras

CORE

· 18,644 Views · 9 Likes

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