Data Engineering Resources

Persistence is a part of almost every Java enterprise application. Unfortunately, persisting domain objects is a non-trivial task. On the contrary, it generates a lot of problems, especially when we're using a relational database. Let's see different approaches to the problem.

May 9, 2016

by Grzegorz Ziemoński

· 15,203 Views · 9 Likes

Remote Services Over (Unreliable) Networks

To respond to a network failure, first there has to be a way to detect it.

May 5, 2016

by Scott Lewis

· 3,309 Views · 2 Likes

IOT Standards and Remote Services

A thorough and well though out discussion of a simple yet important question; how can we embrace open standards in IoT?

May 4, 2016

by Scott Lewis

· 3,195 Views · 1 Like

Mapbox’s API to Geocode Data to Get Location Information

A tutorial on using MapBox's API for finding national park location data.

May 4, 2016

by Adetola Adewodu

· 10,172 Views · 1 Like

Preparing for a TDD Interview

Programming interviews can be daunting at the best of time, and throwing TDD and pairing into the mix is enough to make anyone nervous. Interview expert Sam Atkinson runs through how to prepare for the big day.

May 3, 2016

by Sam Atkinson

· 32,145 Views · 13 Likes

In Oracle SQL, Should You Use CASE, DECODE, or COALESCE?

The Oracle functions CASE, DECODE, and COALESCE all perform similar functionality. They can transform a value into another value. Which one should you use? I'll explain the pros and cons of each in this article.

May 3, 2016

by Ben Brumm

· 235,592 Views · 3 Likes

How to Interpret and Report Your Performance Test Results (so People Actually Read Them)

Take a look at some of the common mistakes made when measuring and reporting performance, and how can you generate useful reports for your own projects.

April 30, 2016

by Tammy Everts

· 10,880 Views · 3 Likes

Using HTTPS to Secure Your Websites: An Intro to Web Security

It's the post that every developer has been waiting for. All the questions you were too afraid to ask but are pivotally important to know the answers to regarding web security.

April 29, 2016

by Sebastián Peyrott

· 22,281 Views · 33 Likes

Concurrency and How to Avoid It

The issue of multiple threads or processes trying to modify the same data at the same time is one as old as programming itself. Is it possible to avoid the situation altogether? Or are we left with the current, age-old implements?

April 29, 2016

by Bozhidar Bozhanov

· 69,786 Views · 36 Likes

Replacing Text in NGINX with sub_filter

Weird situations arise sometimes with web applications. Come have a look at how you might overcome these situations when you need to replace text like IP addresses or files with NGINX!

April 28, 2016

by James Carr

· 26,394 Views · 3 Likes

Service Discovery for NGINX Plus with ZooKeeper

Learn how to use services registered with Apache Zookeeper to issue API calls correctly.

April 28, 2016

by Patrick Nommensen

· 5,875 Views · 4 Likes

Working With AVRO and Parquet Files

Installing and working with tools for AVRO and Parquet files with Scala and Spark

April 27, 2016

by Tim Spann

CORE

· 19,282 Views · 5 Likes

Sorted Pagination in Cassandra

We have a look at how to implement sorted pagination with the popular NoSQL solution Cassandra.

April 26, 2016

by Felipe Fernández

· 13,761 Views · 5 Likes

Hadoop in Healthcare, Part 1

How Hadoop and open source big data analytics technology are positively helping the healthcare industry become more effective.

April 26, 2016

by Richard Proctor

· 11,071 Views · 4 Likes

Build a REST API with XML Payload

Creating REST APIs with XML payloads.

April 23, 2016

by Neerav Aggarwal

· 49,614 Views · 3 Likes

Reclaiming Disk Space From MongoDB

If you have used MongoDB, you probably have noticed that it follows a default disk usage policy a bit like "take what you can, give nothing back." However, there will be situations where you don't want to allow MongoDB to keep hogging all of your disk space to itself. So, how would you reclaim this disk space? Read on and find out.

April 22, 2016

by Chamal Nanayakkara

· 65,237 Views · 5 Likes