Data Engineering Resources

Secure Spring Boot Application With Keycloak

Are you an experienced Java developer but new to Keycloak? Read through this tutorial presenting step-by-step examples of how to secure your REST API.

April 23, 2021

by Bartłomiej Żyliński

CORE

· 55,869 Views · 8 Likes

AWS Security Groups Basics

A Security Group is a virtual firewall for your EC2 instance to control Inbound/Outbound traffic to/from your instance.

April 23, 2021

by Jawad Hasan Shani

CORE

· 10,881 Views · 6 Likes

Anatomy of a PostgreSQL Query Plan

The first thing to look at to start optimizing a query is the Query Planner. In this post, we explain how a query gets executed and how to understand the EXPLAIN command.

April 23, 2021

by Everett Berry

· 7,314 Views · 1 Like

Hybrid Multi-Cloud Event Mesh Architectural Design

Building the event mesh with Camel

April 23, 2021

by Christina Lin

CORE

· 12,511 Views · 7 Likes

What Is Bubble Sort?

Bubble sort is probably the simplest sorting algorithm. It is inefficient at scale, but quick to write and works fine on a handful of elements.

April 22, 2021

by Dave Saunders

· 6,802 Views · 2 Likes

Bare Metal Vs The World: When And Why To Use This IoT OS

Bare Metal for IoT runs one application at a time—in stark contrast to regular operating systems. Let's consider the options for developers and devices.

April 22, 2021

by Carsten Rhod Gregersen

· 17,376 Views · 3 Likes

Resolving Permission Issue in Multi-node Hadoop Cluster

It has been observed when we configure and deploy a multi-node Hadoop cluster or add new DataNodes, there is an SSH permission issue in communication with Hadoop daemons.

April 22, 2021

by Gautam Goswami

CORE

· 8,014 Views · 2 Likes

Building an Angular Bot With AWS Lex

Here's an in-depth guide to building your own Angular chatbot.

Updated April 21, 2021

by Amar Deep Singh

· 20,446 Views · 6 Likes

Data Platform as a Service

When we design and build a Data Platform, we are working on providing the capacities and tools that others teams need to develop their projects. Let's discuss!

April 20, 2021

by Miguel Garcia

CORE

· 16,511 Views · 16 Likes

Graph-Based Data Science, Machine Learning, and AI

What does graphing have to do with machine learning and data science? A lot, actually — learn more in The Year of the Graph Newsletter's Spring 2021 edition.

April 20, 2021

by George Anadiotis

· 10,089 Views · 5 Likes

Spring Data JPA + QueryDSL: Taking the Best From Both Worlds

An example of combining the two most powerful frameworks for building a maintainable and type-safe persistence layer; from Spring Data JPA we will take only CRUD operations and for all complex queries we will use QueryDSL.

Updated April 18, 2021

by Dmytro Stepanyshchenko

· 30,247 Views · 5 Likes

MQTT 5 vs. MQTT v3.1.1 for IoT App Development

See what's new with MQTT and IoT.

April 17, 2021

by Daniil Liadov

· 18,876 Views · 2 Likes

Data Ingestion From RDBMS: Leveraging Confluent's JDBC Kafka Connector

Kafka Connect assumes a significant part for streaming data between Apache Kafka and other data systems. Importing data from the Database set to Kafka topic.

April 17, 2021

by Gautam Goswami

CORE

· 7,750 Views · 3 Likes

4 Software QA Metrics To Enhance Dev Quality and Speed

In this article, we discuss how the demand for software is higher than ever. Lines of code govern almost everything we do in our day-to-day activities.

April 16, 2021

by Richard Conn

· 10,534 Views · 3 Likes

Five Handy JavaScript Uploaders to Keep in Mind

Make your development life just a little bit easier with these five uploaders.

Updated April 16, 2021

by Ivan Petrenko

· 17,786 Views · 5 Likes

Most Common IaaS Security Issues and Ways To Mitigate Them

IaaS security issues are the most critical concerns for both users and providers alike, which need to be solved for high performance.

Updated April 16, 2021

by Akash Bakshi

· 7,195 Views · 2 Likes

Audit Database Changes With Debezium

In this article, we will explore Debezium to capture data changes. Debezium is a distributed open-source platform for change data capture. Point the Debezium...

Updated April 16, 2021

by Siva Prasad Rao Janapati

· 16,606 Views · 2 Likes

How to Delay Database Connection Acquisition in Hibernate (Spring Data)

In the case of resource-local (a single data source), Hibernate will acquire the database connection of a JDBC transaction right after the transaction starts.

April 16, 2021

by Anghel Leonard

CORE

· 16,593 Views · 5 Likes

Working With dotConnect for Oracle in ASP.NET Core

The article discusses the striking features of dotConnect for Oracle (a fast ORM for Oracle from Devart) and shows how to work with it in ASP.NET Core.

April 15, 2021

by Joydip Kanjilal

CORE

· 10,853 Views · 2 Likes

Working With Stored Procedures Using dotConnect for Oracle

The article discusses the striking features of dotConnect for Oracle and shows how to work with stored procedures and dotConnect for Oracle in ASP.NET Core 5.

April 15, 2021

by Joydip Kanjilal

CORE

· 8,708 Views · 2 Likes

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