Data Resources

Go Microservices, Part 11: Hystrix and Resilience

Learn how to set up more resilient inter-service communication for your microservices written with Go using the Hystrix circuit breaker.

March 18, 2018

by Erik Lupander

· 27,600 Views · 9 Likes

Go Microservices, Part 10: Centralized Logging

Let's continue with our microservices project by learning about a logging strategy based on the Logrus logging driver and Loggly.

March 17, 2018

by Erik Lupander

· 19,041 Views · 6 Likes

Expressive Query Language in MongoDB 3.6

With the release of MongoDB 3.6, fully expressive array updates are now supported. This feature was one of the most requested by developers.

Updated March 16, 2018

by Atish A

· 11,304 Views · 11 Likes

Microservices - Part 5: Spring Cloud Zuul Proxy as API Gateway

In this tutorial, we'll learn how to use Spring Cloud Zuul Proxy as an API gateway, an essential component of microservice architecture.

March 16, 2018

by Siva Prasad Reddy Katamreddy

· 58,996 Views · 15 Likes

Mathematical Functions and Converting Data Types in Groovy

Learn how to significantly reduce the number of errors allowed in the development of tests that contain mathematical calculations with different types of data.

March 15, 2018

by Sergey Horban

· 8,090 Views · 1 Like

Go Microservices, Part 8: Centralized Configuration With Viper and Spring Cloud Config

Learn how to centralize essential aspects of your microservices project, such as logs, with Spring Cloud Config.

March 15, 2018

by Erik Lupander

· 17,995 Views · 6 Likes

Generating Laplace Distributed Random Values

Although it's simple to generate Laplacian random values, the Laplace distribution is not always one of the built-in options for random number generation libraries.

March 14, 2018

by John Cook

· 5,845 Views · 3 Likes

Go Microservices, Part 7: Service Discovery and Load Balancing

Continue on your microservice development journey by learning how to set up service discovery and load balancing in your new service.

March 14, 2018

by Erik Lupander

· 25,630 Views · 9 Likes

Creating HTML From PDF, Excel, or Word With Apache NiFi and Apache Tika

Let's look into extracting text or HTML from PDF, Excel, and Word documents via Apache NiFi.

March 14, 2018

by Tim Spann

CORE

· 12,009 Views · 5 Likes

Investigating Problems With Ad-Hoc Queries Using SQL Monitor

There are plenty of ways that apps can unintentionally misuse databases. When the abuses are pervasive, you can catch them by means of a few deft queries on various DMOs.

March 13, 2018

by Phil Factor

· 5,856 Views · 2 Likes

Microservices - Part 4: Spring Cloud Circuit Breaker Using Netflix Hystrix

This microservices tutorial continues by showing how to set up a circuit breaker to fix potential issues from microservice dependencies.

March 13, 2018

by Siva Prasad Reddy Katamreddy

· 70,536 Views · 22 Likes

HA and Zone Affinity With Spring Cloud Netflix Eureka

This microservices tutorial will teach you how to set up zone affinity with Spring Cloud Netflix Eureka.

March 13, 2018

by Marcos Barbero

· 12,378 Views · 5 Likes

Microservices? Yes, but No Spaghetti, Please!

Microservices bring many benefits, but make sure you're not adding more complexity than you need and getting bogged down with spaghetti code.

March 13, 2018

by Peter Eijgermans

· 8,864 Views · 5 Likes

How to Implement Data-Driven Testing in your JMeter Test

One of the many advantages of DDT is that the tester mustn't create a separate test for each piece of input data. Here's how it works.

March 13, 2018

by Sergey Horban

· 18,948 Views · 1 Like

Spring Boot 2.0 on ACID! Big Data + Spring Boot

Here is a guide to using Spring Boot 2.0 with Apache Hive LLAP ACID tables to make the most of a Big Data pipeline.

March 12, 2018

by Tim Spann

CORE

· 45,589 Views · 17 Likes

SOLID Design Principles Explained - The Single Responsibility Principle

The SOLID design principles can be a little tricky to get your head around. In this post, we dive into the S in SOLID - the Single Responsibility Principle.

March 11, 2018

by Thorben Janssen

· 24,656 Views · 30 Likes

A Guide to Streams: In-Depth Tutorial With Examples

Java 8 and streams: A match made in heaven, but it can be a little overwhelming. In this post, we take an in-depth look at this combination with some examples.

March 11, 2018

by Eugen Paraschiv

· 86,448 Views · 85 Likes