Coding Resources

QR Code Generator in ASP.NET Core Using Zxing.Net

If you're looking to start your own online store, learn how to create barcodes using ASP.NET Core and the third party library, Zxing.Net.

May 30, 2017

by Rajeesh Menoth

· 29,277 Views · 3 Likes

Groovy Component With Mule ESB

Learn how the Groovy component is used in Mule flows to integrate custom scripts. This tutorial shows you how to configure and utilize the Groovy component.

May 30, 2017

by Jitendra Bafna

CORE

· 21,571 Views · 3 Likes

Apache Flume to Multiplex or Replicate Big Data

The solution from Apache Flume to address multiplexing and replicating requirements is really elegant and very easy to set up.

May 30, 2017

by Nikhil Bhide

· 10,250 Views · 5 Likes

What Does Spring DelegatingFilterProxy Do?

You might see Spring's DelegatingFilterProxy crop up sometimes. It's actually a proxy for a standard Servlet Filter. Let's see an example in action with Spring Security.

May 30, 2017

by Martin Farrell

· 34,609 Views · 9 Likes

All About VisualVM

VisualVM is one of those indispensable tools for Java (and JVM-based) developers. An oft-unsung hero, this post tells you what it is, how to set it up, and its benefits.

May 30, 2017

by Angela Stringfellow

· 37,082 Views · 26 Likes

Apache Ignite: QueryEntity and Basic SQL Query With C# Client

In this article, we will configure and run a simple Apache Ignite instance, connect it with a C# client, and query a cache with SQL.

May 29, 2017

by Ayberk Cansever

· 6,392 Views · 4 Likes

Getting Started With Apache Ignite (Part 1)

In this series of articles, I will share what I learned about Apache Ignite as a beginner, starting with clustering and deployment.

May 29, 2017

by Akmal Chaudhri

CORE

· 16,788 Views · 17 Likes

Introducing a Parameterized Test Suite for JUnit 4

As JUnit 4 fans will know, you aren't able to parameterize test suites. But now there's an extension, via the Runner class, that will help you out.

May 29, 2017

by Peter Wippermann

· 19,634 Views · 2 Likes

7 Reasons to Consider JUnit 5

JUnit 5 will be out soon! With the new Jupiter API, a focus on extensibility, and a huge integration overhaul, it promises to make testing easier than ever.

May 29, 2017

by Daniel Olszewski

· 25,505 Views · 14 Likes

Using ElasticSearch for Big Data Analysis

Learn how leveraging ElasticSearch to build the data infrastructure makes it easier to linearly scale as new data nodes are added in the future.

May 28, 2017

by Rohit Akiwatkar

· 29,597 Views · 9 Likes

Java 8 Concepts: FP, Streams, and Lambda Expressions

This technical overview of Java 8 covers its functional aspects, including translations to the imperative paradigms, and how streams and lambdas work.

May 28, 2017

by Radek Krawiec

· 90,146 Views · 69 Likes

Java 9 (Part 4): Trying Try-with-Resources: First Look

In Part 4 of this Java 9 series, we see that try-with-resources has been enhanced. Let's compare how Try With Resources worked back in Java 7 versus today.

Updated May 27, 2017

by Tomer Ben David

· 21,310 Views · 8 Likes

JPA Auditing: Automatically Persisting Audit Logs Using EntityListeners

When creating audit logs, consider using Spring Data. Its JPA functionality allows for EntityListeners and callback methods to update the needed properties.

May 27, 2017

by Naresh Joshi

CORE

· 75,480 Views · 21 Likes

Multi-Stage Docker Image Build for Java Apps

No longer do you have to manage multiple Dockerfiles and use the Builder Pattern. Now, you can save time by creating a multi-stage build process for your Java apps.

May 26, 2017

by Shekhar Gulati

· 36,633 Views · 3 Likes

ElasticSearch: Advantages, Case Studies, and Stats

ElasticSearch is an open-source, broadly distributable, readily scalable, enterprise-grade search engine. Look more closely into what it is, its advantages, and stats.

May 26, 2017

by Ekaterina Novoseltseva

CORE

· 32,623 Views · 15 Likes

Deploying Docker Images to OpenShift

We take a look at how to deploy a Docker image from DockerHub into RedHat's OpenShift environment, bringing added functionality along the way.

May 26, 2017

by Alex Soto

· 39,383 Views · 5 Likes

OkHttpClient Logging Configuration With Interceptors

Debugging HTTP can be complicated, but setting up the proper logging will enable you to track down issues much more quickly.

May 26, 2017

by Bill O'Neil

· 18,563 Views · 4 Likes

Java Profilers: 3 Different Types and Why You Need All of Them

Should you use standard profilers, lightweight options, or APM tools? The answer is all three. Each one has its strengths and weaknesses, detailed here.

May 26, 2017

by Darin Howard

· 15,241 Views · 3 Likes

5 Docker Utilities You Should Know

The Docker community has created many open source utilities, making it helpful with even more use cases than you might imagine. Check them out here.

May 26, 2017

by Shekhar Gulati

· 22,705 Views · 42 Likes

Asynchronous Master-Slave Replication of PostgreSQL Databases in One Click

Replicating your data has obvious benefits, but can be a bit tedious to setup. Take a look at how to easily set it up using PostgreSQL and Jelastic's cloud.

May 26, 2017

by Tetiana Markova

· 9,607 Views · 5 Likes

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