Data Engineering Resources

Wireless Communications in Modern Mobile Technologies

You may want to create applications for a specific device. Before you break out your IDE and start tinkering with hardware, let’s take a quick tour of Bluetooth, Wi-Fi, NFC and mobile data to learn how these technologies work, and which applications each one is best suited for.

September 15, 2016

by Lance Gleason

· 13,491 Views · 4 Likes

Kafka Real-Time Visualization

Alooma Live allows you to visualize your data streams in real time. Come check out how it works using a Kafka cluster!

September 14, 2016

by Itamar Weiss

· 14,554 Views · 6 Likes

PL/SQL 101: Raising Exceptions in PL/SQL

Learn how you can create your own exceptions within PLSQL and keep your code neat and tidy while you do it.

September 14, 2016

by Steven Feuerstein

· 10,375 Views · 3 Likes

Autocommit in PostgreSQL's Psql

This tutorial will show you how to enable, disable, and use autocommit with PostgreSQL's command-line SQL tool — psql.

September 13, 2016

by Dustin Marx

· 82,380 Views · 7 Likes

Mockito Custom Answers

Custom argument matchers and custom answer behavior allow us to use Mockito to mock complex and responsive behavior, making for highly realistic tests.

September 13, 2016

by Alan Hohn

· 6,985 Views · 2 Likes

Basic Housekeeping for MySQL Indexes

It's important to keep your indexes neat and tidy. Here are four simple rules (with examples) you can follow to keep your databases running smoothly.

September 12, 2016

by Daniel Guzman Burgos

· 7,915 Views · 6 Likes

How HashMap Works in Java

HashMap questions are common in job interviews. Here's some in-depth explanation of how HashMaps work internally in Java.

September 12, 2016

by Jackson Joseraj

· 258,639 Views · 96 Likes

Event-Driven Microservices With Vert.x and Kubernetes (Part 1 of 3)

Learn how to set up an event-driven microservices architecture using Vert.x's Verticle class. This introductory post covers how to use and configure Vert.x.

September 12, 2016

by Andy Moncsek

· 27,873 Views · 11 Likes

MySQL Replication Troubleshooting Q and A

Check out a webinar on MySQL replication, caching, and more, then get a glimpse at some in-depth questions (and their answers).

September 11, 2016

by Sveta Smirnova

· 4,936 Views · 3 Likes

3R Principles of Programming

A review of the 3 R's of programming for cleaner, friendlier Java code.

Updated September 9, 2016

by Biju Balakrishnan Nair

· 15,808 Views · 29 Likes

Reference API Gateway Models in CloudFormation

We take a look at defining API Gateway Models in CloudFormation using JSON. Read on to find out more.

September 9, 2016

by Michael Wittig

· 6,180 Views · 1 Like

Which Cloud Platform Is Ideal to Host IoT Apps?

The cloud helps put the 'I' in IoT. See which platforms are making the move to support IoT and what they offer.

Updated September 9, 2016

by Milita Datta

· 16,431 Views · 11 Likes

Testing REST API File Uploads in JMeter

Learn how to create a multipart POST or PUT request from scratch, and see a demo to create and update a file in Google Drive using both POST and PUT requests from JMeter.

September 8, 2016

by Dmitri Tikhanski

· 35,941 Views · 4 Likes

Creating a Simple Java REST Service Using HTTP-RPC

We take a look at how to implement a Java-based web service using the HTTP-RPC framework. Read on to find out how and for some example code.

September 8, 2016

by Greg Brown

· 13,308 Views · 7 Likes

The Great Feature of Vagrant: Multi-Machine Management

How to utilize Vagrant's ability to improve VirtualBox by managing and repairing your virtual machines.

September 8, 2016

by Rafael Salerno

· 7,105 Views · 3 Likes

Containerizing Stateful Applications

Can stateful applications be containerized? Or are containers only good for stateless applications?

September 7, 2016

by Jim Bugwadia

· 17,648 Views · 13 Likes

Simple Sample: Oracle NoSQL With Docker Compose

This quick example demonstrates the usage of Docker Compose co-ordinating an Oracle NoSQL container and a dependent container running its (Java) client.

September 7, 2016

by Abhishek Gupta

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