Latest Articles

8 Steps to Safely Migrate a Database Without Downtime

Aviran Mordo, Head of Engineering at Wix, walks through a safe way to migrate your database without downtime and with minimum disruption to production.

January 7, 2016

by Aviran Mordo

· 63,742 Views · 9 Likes

Simple Java SOAP Web Service Using JDK Tools

A tutorial on how to use JDK tools to publish and consume a simple SOAP web service.

January 7, 2016

by Hany Ahmed

· 120,299 Views · 36 Likes

Configuring Spring Boot for PostgreSQL

In this post, we will learn how to change Spring Boot from the default in-memory H2 to PostgreSQL.

January 7, 2016

by John Thompson

· 266,094 Views · 8 Likes

Has Mobile Become Boring? Perhaps, But The Real Story is What's Going on Behind the Curtain…

The excitement of mobile isn’t what going on with the device, but what’s happening behind the scenes.

January 6, 2016

by Amy Groden-Morrison

· 4,359 Views · 4 Likes

How to Monitor Room Temperature With a Raspberry Pi

Start your own weather station with this easy to follow tutorial

January 6, 2016

by Jeremy Morgan

· 21,686 Views · 9 Likes

Distributed Systems in the Real World

A non-academic’s guide to making good design decisions when building distributed applications.

January 6, 2016

by Tyler Treat

· 19,872 Views · 16 Likes

Programmatic Websocket Endpoints in Java EE 7

The Java Websocket API is versatile. In this 2-step post, you'll learn how to develop and deploy websocket endpoints.

January 6, 2016

by Abhishek Gupta

CORE

· 16,751 Views · 3 Likes

Installing Windows 8.1 guest on Linux Mint KVM

Running a Windows guest VM on Linux with KVM involves some patience and the right sequence of mounting and unmounting driver ISOs.

January 6, 2016

by Kevin Hooke

· 4,735 Views · 2 Likes

Quick Hadoop Startup in a Virtual Environment

A fully-featured Hadoop environment has a number of pieces that need to be integrated. Vagrant and Ansible are just the tools to make things easier.

January 5, 2016

by Alan Hohn

· 12,150 Views · 8 Likes

How to Set Up the Raspberry Pi 7 Touchscreen

Did you get the new Pi Touchscreen for Christmas? Here's how to set it up.

January 5, 2016

by Jeremy Morgan

· 19,137 Views · 3 Likes

A General Software Maturity Model

Learn about the benefits of a mature project, the pitfalls, and how to qualitatively and quantitatively analyze a project's maturity level in the correct context.

January 5, 2016

by Mitch Pronschinske

· 9,547 Views · 2 Likes

Hypermedia Support in JAX-RS 2.0

Working with JAX-RS? Hypermedia, a Hypertext extension, now supports JAX-RS. Check out more about using these two together, complete with a simple example.

January 4, 2016

by Sam Sepassi

· 30,221 Views · 11 Likes

Working With Bootstrap 4 Grid System for Creating Responsive Layouts

The world is moving increasingly to responsive design. Here are a few neat examples with Bootstrap 4 Grid System and responsive design.

January 4, 2016

by Amanda Cline

· 47,846 Views · 8 Likes

EXPLAIN FORMAT=JSON: Everything About attached_subqueries, optimized_away_subqueries, and materialized_from_subquery

EXPLAIN FORMAT=JSON provides some great details on subqueries optimization. Read on to learn more.

January 3, 2016

by Peter Zaitsev

· 4,836 Views · 2 Likes

Dynamic Class Enhancement with CGLib

Popular libraries like Spring use CGLib to dynamically generate classes at runtime. Understanding how it works can help you parse those notorious stack traces when something goes wrong.

January 2, 2016

by Alan Hohn

· 29,796 Views · 9 Likes