Data Engineering Resources

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

· 10,513 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

· 82,648 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

· 7,078 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

· 8,015 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

· 259,015 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

· 28,020 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

· 5,013 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

· 16,289 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

· 6,260 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

· 16,553 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

· 36,240 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

· 13,420 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

· 7,212 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

· 17,792 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

CORE

· 4,330 Views · 6 Likes

How Netflix's Circuit Breaker Works

See how Netflix's microservices-oriented circuit breaker works to prevent cascade failures and other problems.

September 7, 2016

by Rafael Salerno

· 47,193 Views · 22 Likes

I Am Keeping My Mind Open About GraphQL

I'm not 100% convinced that GraphQL is the solution we are looking for, but I am convinced that I should be learning more about it.

September 7, 2016

by Kin Lane

· 3,862 Views · 3 Likes

Get a Certificate From AWS Certificate Manager

Follow along with a step-by-step guide to securing your application in AWS with HTTPS.

September 6, 2016

by $$anonymous$$

· 5,260 Views · 2 Likes

How ConcurrentHashMap Works Internally in Java

Understanding how ConcurrentHashMap works with a list of concrete examples.

September 6, 2016

by Arun Pandey

CORE

· 483,895 Views · 66 Likes

APOC: Database Integration, Import and Export with Awesome Procedures on Cypher

Neo4j has just released a new version of APOC, everyone's favorite stored procedure library for Neo4j 3.x. Come find out what's new and what it means for you!

September 5, 2016

by Michael Hunger

· 11,179 Views · 5 Likes

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