Databases Resources

How to Reduce Amazon S3 Costs

Learn all the strategies to reduce Amazon S3 costs. This article is part of our AWS cost reduction series.

October 22, 2020

by Paul Cas

· 8,730 Views · 3 Likes

How to get Type-Safe and Intuitive Hibernate/JPA Queries

Learn how to use standard Java streams which automatically convert themselves to Hibernate/JPA Queries.

Updated October 22, 2020

by Per-Åke Minborg

· 10,057 Views · 7 Likes

The Ultimate Guide to AWS Step Functions

Find out everything about AWS Step Functions, what they are used for, how to use them, and the advantages or disadvantages that they bring.

October 22, 2020

by Taavi Rehemägi

· 6,913 Views · 1 Like

Connecting Angular to the Spring Boot and Slash GraphQL Recommendations Engine

In this article, I fine-tune the original recommendations engine, add a secondary data source, and write an Angular client to consume the data.

October 22, 2020

by John Vester

CORE

· 84,827 Views · 4 Likes

Spring Reactive Microservices: A Showcase

A road-map to developing Reactive Microservices in Spring. We combine material from various official and 3rd party sources and our personal experience.

Updated October 21, 2020

by Kyriakos Mandalas

CORE

· 23,038 Views · 16 Likes

Debugging Microservices Networking Issues — An Introduction

Let’s take a look at some of the possible friction points first, and then explore a few of the possible tools we can use to tackle them.

October 21, 2020

by Leonid Blouvshtein

· 7,407 Views · 7 Likes

How To Protect Yourself From Unexpectedly High AWS Bills

We explore several Amazon Web Services (AWS) billing disasters and introduce risk mitigation tools including budgets, alarms, and AWS Single Sign-On (SSO); AWS Cost Anomaly Detection is mentioned in the conclusion and a short quiz follows.

Updated October 21, 2020

by Thomas Fuller

· 17,116 Views · 7 Likes

DevOps Success Stories in the Financial Services Industry

No matter which industry you belong to, DevOps is a must. Let's see some famous DevOps success stories in financial companies.

October 21, 2020

by Pavan Belagatti

CORE

· 13,815 Views · 4 Likes

Redis Is Not Just a Cache

In this article, take a look at Redis as a cache, relational database advantages, and more.

October 20, 2020

by Ioan Tinca

· 15,145 Views · 6 Likes

Augmented Analytics With PySpark and Sentiment Analysis

Step by step tutorial of how you can leverage sentiment analysis to enrich tweets data with PySpark and get a feel of the overall sentiments towards COVID19.

Updated October 20, 2020

by Adi Polak

· 9,357 Views · 6 Likes

Minions in Minikube - A Kubernetes Intro for Java Developers

Java developers, it would be despicable not to take a look at this cute project that will give you a hands-on introduction to Kubernetes.

Updated October 20, 2020

by Ryan Dawson

· 16,105 Views · 20 Likes

Configuring Java Apps With Kubernetes ConfigMaps and Helm

This tutorial will show you how to develop Java microservices that use ConfigMaps, see how ConfigMaps are used, and update them in the app.

Updated October 20, 2020

by Ryan Dawson

· 84,363 Views · 19 Likes

A Quick and Practical Example of Kafka Testing

In this tutorial, we learn some of the fundamental aspects of Kafka testing in a declarative way and how to test microservices involving both Kafka and REST.

Updated October 20, 2020

by Nirmal Chandra

· 215,102 Views · 20 Likes

Tracking Changes in MongoDB With Scala and Akka

Leverage change streams feature in MongoDB to get every change occurring in real-time.

Updated October 16, 2020

by Hubert Skowronek

· 9,228 Views · 4 Likes

How to Merge DOCX Files and Replace Text Strings in Java

Combine multiple Office Word Documents (docx) into a single document; Instantly find and replace specific text string variables like names and dates.

October 15, 2020

by Brian O'Neill

CORE

· 9,619 Views · 3 Likes

How SQL Server Stores Data Types: sql_variant

In this article, see how SQL Server stores data types.

October 15, 2020

by Randolph West

· 9,445 Views · 4 Likes

How to Use Spring Cloud Gateway With OAuth 2.0 Patterns

This article will show you how to use Spring Cloud Gateway for routing as well as traditional Servlet API microservices.

October 15, 2020

by Jimena Garbarino

· 32,102 Views · 3 Likes

10 Best DevOps Courses for Developers

10 of the best DevOps Courses for Programmers and developers from Udemy, Pluralsight, Coursera, and other online portals to learn DevOps tools and skills

October 15, 2020

by Javin Paul

· 17,079 Views · 5 Likes