Do you want to know how to develop your skillset to become a Java Rockstar?

Subscribe to our newsletter to start Rocking right now!

To get you started we give you our best selling eBooks for FREE!

 

1. JPA Mini Book

2. JVM Troubleshooting Guide

3. JUnit Tutorial for Unit Testing

4. Java Annotations Tutorial

5. Java Interview Questions

 

and many more ....

 

 

Stream Performance

When I read Angelika Langer’s Java performance tutorial – How fast are the Java 8 streams? I couldn’t believe that for a specific operation they took about 15 times longer than for loops. Could stream performance really be that bad? I had to find out! Coincidently, I recently watched a cool talk about microbenchmarking Java code and I decided to ...

Read More »

Service Discovery: Zookeeper vs etcd vs Consul

The more services we have, the bigger the chance for a conflict to occur if we are using predefined ports. After all, there can be no two services listening on the same port. Managing a tight list of all the ports used by, lets say, hundred services is a challenge in itself. Add to that list the databases those services ...

Read More »

The “Software Engineer” Mindset

What is a software engineer? And what is a senior software engineer? Many companies define a “senior software engineer” as a person who has spent more then 6 years as a programmer. And that’s not always correct. The other day I was asked whether I recommend becoming a “generalist” or a “specialist”. Whether one should stay focused on one particular ...

Read More »

Learn Apache Camel – Indexing Tweets in Real-time

There’s a point in most software development projects when the application needs to start communicating with other applications or 3rd party components. Whether it’s sending an email notification, calling an external api, writing to a file or migrating data from one place to another, you either roll out your own solution or leverage an existing framework. As for existing frameworks in the Java ecosystem, ...

Read More »

How to configure and install ZeroMQ (libsodium) on CentOS 6.7?

When getting started on ZeroMQ (version 4.2.0 or above) can be quite challenging especially with all the prerequisites. I’ve spent a good two days to get the process ironed out. So I’m sharing this so that others can avoid the same pitfalls and can have a good head-start with setting up their environment. Pitfall #1 Develop for your platform. I’m ...

Read More »

A paranoid’s guide to backing up a working folder

Oops time Leanpub supports multiple storage engines and a private GitHub repository is probably the safest way to the backing up your working folder. I chose Dropbox as I didn’t envision anything wrong with the automatic synchronization mechanism. While working on my book, I accidentally managed to wipe-out half of my diagrams and all changes were instantly synchronized by Dropbox. ...

Read More »

Takipi 2.0: Trends and DevOps Integrations

Visualize all log events and exceptions in production directly from your JVMs – Send as metrics into more than 20 graphing and alerting tools. We wanted to share two major features we’re introducing that we thought worth sharing – Trends and DevOps Integrations. We began building Takipi because we were tired of using traditional logs to understand what was going inside of our ...

Read More »

The Latest Twist in the Java IDE Wars: Subscription-based IntelliJ IDEA

I’ve been watching with some interest the discussion surrounding this past week’s announcement that JetBrains is moving to an Adobe-like and Microsoft Office-like software subscription licensing model. The feedback has been fast and furious and JetBrains has responded with a very brief follow-up post We are listening that is entirely reproduced in this quote: “We announced a new subscription licensing ...

Read More »