Data Engineering Resources

MuleSoft: Map a Complex Object to DataWeave With a Fixed-Width Format

Learn the steps needed (and the reasons why they're needed) to update a legacy app involving mapping complex objects to DataWeave with fixed widths.

August 10, 2016

by Sulthony H

· 23,725 Views · 4 Likes

API Gateway Custom Authorization With Lambda, DynamoDB, and CloudFormation

See how to set up your own API Gateway authorization when using an assortment of tools, including Amazon's Lambda and DynamoDB and CloudFormation.

August 10, 2016

by Michael Wittig

· 18,910 Views · 2 Likes

Building a Web UI for PostgreSQL DBs in Plain Java

This guide walks you through the process of connecting to PostgreSQL databases from Java web applications using MyBatis and Spring Framework. The UI part will be built using Vaadin Framework which allows you to build modern single-page web apps with only Java.

August 9, 2016

by Alejandro Duarte

CORE

· 19,958 Views · 12 Likes

Apache CloudStack vs. OpenStack: Which Is the Best?

CloudStack and OpenStack are two giants in the CMP realm. But where are they best used? See how their components compare head-to-head.

August 9, 2016

by Milita Datta

· 17,110 Views · 9 Likes

Scan DynamoDB Items With Node.js

Tap into DynamoDB's scanning ability with some quick JavaScript. Be warned, though, that it might be more expensive than it's worth.

August 7, 2016

by Emmanouil Gkatziouras

CORE

· 20,191 Views · 3 Likes

Effective Bulk Data Import into Neo4j (Part 3)

Here we are, the finale! Today, we take a look at LOAD JSON, a piece of the import puzzle that converts JSON to a CSV.

August 7, 2016

by Mark Needham

· 6,114 Views · 1 Like

Testing Docker Multi-Host Network Performance

This post reviews Docker's multi-host network performance. Read on to see what the results are and if they're in line with other results.

August 5, 2016

by Vadim Tkachenko

· 6,144 Views · 2 Likes

Resizing the HashMap: Dangers Ahead

The problems with threading on Hashmap and leaky abstractions. The use of proper monitoring and careful use of data structures is very important in modern coding.

August 4, 2016

by Nikita Salnikov-Tarnovski

· 16,841 Views · 20 Likes

REST API vs. SOAP Web Services Management

Let's take a step back and look at the rise of microservices and REST and the apparent decline of SOAP-based web services. What are the statistics and the reasons?

August 4, 2016

by Guy Levin

· 14,105 Views · 9 Likes

Building a Mock HVAC for Smart Thermostat Demos

Here's a handy tutorial that shows you step-by-step how to set up and wire a mock HVAC system for shows on the road.

August 4, 2016

by James Ward

· 4,760 Views · 2 Likes

JOIN Faster With Couchbase Index JOINs

Take a look at Couchbase's index JOINs — a way to perform JOINs quickly and without parents having references to their children documents.

August 3, 2016

by Keshav Murthy

CORE

· 18,798 Views · 10 Likes

Neo4j With Scala: An Introduction

Are you a Scala user who's interested in getting started with Neo4j? Look no further!

August 2, 2016

by Anurag Srivastava

· 12,663 Views · 5 Likes

Future of FinTech Depends on APIs

It's easy to forget how interconnected our money is becoming with the world around us. See how APIs are playing an essential role in the modern economy.

August 2, 2016

by Ken Tien

· 10,092 Views · 4 Likes

A Quick Guide to Writing Dynamic SQL in PL/SQL

Here are some options and examples to get you started writing Dynamic SQL when using PL/SQL.

August 1, 2016

by Steven Feuerstein

· 31,144 Views · 4 Likes

Building the Infrastructure 'Easy Button' for a Microservices-App World

For most enterprises, the gating factor for a successful digital transformation will be how effectively and quickly they can adapt their existing technology strategies and practices to enable the modern-day, microservices-based apps that drive today’s hyperscale economy.

August 1, 2016

by Mark Jackson

· 5,515 Views · 5 Likes

Configure Hazelcast With EC2

Hazelcast is hands down a great caching tool when it comes to a JVM based application. If you use Amazon Web Services, Hazelcast integrates wonderfully.

July 30, 2016

by Emmanouil Gkatziouras

CORE

· 9,151 Views · 2 Likes

Indoor Location Services: Introduction to IoT Networking

While many IoT posts focus on developing the things, this post focuses on the network that's connecting the things. But beyond the network, we'll also talk about the APIs involved. In this post, I'll specifically show you how to go about setting up blue dot functionality for indoor location services.

July 29, 2016

by Chris Oggerino

· 7,530 Views · 9 Likes

Microservices: Pros and Cons of Mono Repos

When putting a system together, you need to decide whether you're going to keep the code in one repository or split it across multiple repos. Here's some insight.

July 29, 2016

by Deepak Karanth

· 11,263 Views · 12 Likes

Performance Tip for Tuning SQL with UNION

UNION statements can sometimes introduce performance penalties into your query. This post has a look at how to tune your query up!

July 27, 2016

by Michal Davidek

· 78,734 Views · 3 Likes

Using Moment.js in Node.js

How to integrate Moment.js into your Node.js applications to utilize dates and times in different formats and use cases.

July 27, 2016

by Vipul Malhotra

· 93,510 Views · 3 Likes

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