Data Resources

Reading Data From Oracle Database With Apache Spark

In this quick tutorial, learn how to use Apache Spark to read and use the RDBMS directly without having to go into the HDFS and store it there.

Updated February 1, 2018

by Emrah Mete

· 144,870 Views · 12 Likes

Parallelizing Tasks with Dependencies — Design Your Code to Optimize Performance

Learn how to run several asynchronous tasks concurrent with each other while respecting the dependencies surrounding each task.

January 30, 2018

by Riccardo Terrell

· 9,309 Views · 3 Likes

25 Microservices Terms You Need to Know

These key terms and definitions will give you a great place to start to jump into the microservices zone and start learning through tutorials, developer tips, and more!

January 30, 2018

by Arran Glen

· 14,974 Views · 14 Likes

Handling BigDecimal in Talend

If you are dealing with money or precision is a must, use BigDecimal. Otherwise, Doubles tend to be good enough. Let's dive into this concept a little more.

January 29, 2018

by Madhuka Udantha

· 15,050 Views · 1 Like

SQL Injection Vulnerabilities and How to Prevent Them

SQLi is one of the most common and severe vulnerabilities. Learn what you as a developer can do to prevent SQL injection attacks on your application.

January 29, 2018

by Sven Morgenroth

· 95,648 Views · 3 Likes

Microservices With Spring Boot - Part 5 - Using Eureka Naming Server

In this final part of our microservices architecture series, we will learn to enable a Eureka Naming Server and allow the microservices to communicate with it.

January 29, 2018

by Ranga Karanam

CORE

· 36,312 Views · 32 Likes

Simulating Split Brain Scenarios in an Akka Cluster

This deep dive into split brain scenarios in Akka clusters covers what they are, how they form, and most importantly, how to fix them.

January 28, 2018

by Matthew Borg

· 16,204 Views · 13 Likes

Microservice Communication Using Consul, Ribbon, and Feign - A Step-by-Step Guide

In this tutorial, you'll build an application and learn how to set up communication between its microservices using Consul, Ribbon, and Feign.

January 27, 2018

by Gitanjali Sahoo

· 46,650 Views · 4 Likes

Citus and pg_partman: Creating a Scalable Time Series Database on Postgres

The best in class for improving time partitioning is pg_partman and today, we'll dig into getting time partitioning set up with your Citus database cluster using pg_partman.

January 26, 2018

by Craig Kerstiens

· 7,520 Views · 2 Likes

RDF Triple Stores vs. Labeled Property Graphs: What's the Difference?

RDF triple stores and labeled property graphs both provide ways to explore and graphically depict connected data. But the two are very different and each has different strengths in different use cases.

January 26, 2018

by Jesus Barrasa

· 27,528 Views · 6 Likes

Microservices With Spring Boot - Part 4 - Using Ribbon for Load Balancing

This tutorial series continues by teaching you how to use Ribbon as a load balancer in your Spring Boot microservices project.

January 26, 2018

by Ranga Karanam

CORE

· 27,281 Views · 30 Likes

Microservices With Spring Boot - Part 3 - Creating Currency Conversion Microservice

Today, we'll learn how to build a currency conversion microservice as part of this tutorial on setting up a microservices architecture with Spring Boot.

January 25, 2018

by Ranga Karanam

CORE

· 24,251 Views · 15 Likes

10 Advantages of Redis

Redis has lots of advantages, from its very own hashing mechanism called Redis Hashing to its ability to be installed in Raspberry Pi and ARM devices.

January 25, 2018

by Unni Mana

· 40,876 Views · 7 Likes

Building a Graph Database Wannabe (Part 1)

Learn how I built Uranus DB, a graph database wannabe, in five to seven days and about ten bucks worth of Diet Dr. Pepper.

January 24, 2018

by Max De Marzi

· 12,259 Views · 4 Likes

API Management Design Patterns for Digital Transformation

No matter what kind of architecture has been applied to your code base, we look at three API management patterns that you might find useful.

January 24, 2018

by Chanaka Fernando

CORE

· 10,759 Views · 1 Like

Monitoring Kafka Data Pipeline

Learn how to use open-source tools to develop a monitoring and testing solution for a pipeline using Kafka without writing any code.

January 24, 2018

by Randhir Singh

· 16,186 Views · 8 Likes

Microservices With Spring Boot - Part 2 - Creating a Forex Microservice

This tutorial series continues by showing how to build a microservice with Spring Boot and get it to work with Spring MVC, JPA, Hibernate, and H2.

January 24, 2018

by Ranga Karanam

CORE

· 22,495 Views · 24 Likes

Java Autonomous Driving: Car Detection

Ever wanted to build a real-time video object detection application? Well, we do just that in this post, with the view to having it work in autonomous cars!

January 24, 2018

by Klevis Ramo

· 26,954 Views · 32 Likes

ZK MVVM Pattern: Server-Side Data Binding

ZK is a great framework for developing in Java and performing data binding on said web applications. Read on to learn more!

January 23, 2018

by Hawk Chen

CORE

· 22,183 Views · 23 Likes

Microservices With Spring Boot, Part 1 — Getting Started

In the first installment of this series, we'll learn about the concept of microservices and look at how to create a microservice with Spring Boot and Spring Cloud.

January 23, 2018

by Ranga Karanam

CORE

· 86,096 Views · 53 Likes

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