Latest Articles

How To Check if an Exception Is Raised (Or Not) With pytest

Learn how to use pytest.raises to assert when an exception is raised, to assert no exception is raised, and check the error and the exception message.

September 23, 2021

by Miguel Brito

· 3,239 Views · 3 Likes

REST API Versioning Strategies

Today microservices are a hot trend for developing cloud-native applications. API versioning helps to iterate faster when the needed changes are identified.

September 23, 2021

by Praveen KG

· 11,591 Views · 12 Likes

Importance of Transit Gateway in Anypoint Platform

Transit Gateway acts as a Cloud Router in AWS and simplify the network access between VPC's, on premise data centers and third party software.

September 23, 2021

by Jitendra Bafna

CORE

· 6,996 Views · 3 Likes

Hands-On Presto Tutorial: Presto 102

This tutorial will guide you how to run a 3 node Presto cluster on a laptop.

Updated September 23, 2021

by Praburam Upendran

· 15,022 Views · 5 Likes

Prometheus Blackbox: What? Why? How?

Monitoring HTTP endpoints is crucial in a world where competitors are able to move faster than you. This post describes how to monitor any app with Prometheus.

September 22, 2021

by Nicolas Giron

· 13,795 Views · 3 Likes

Use Open-Source Kubecost to Understand (and Control) Kubernetes Spending

Kubernetes-related cloud spending is on a tear; open-source Kubecost is a path forward to more granular visibility into where those dollars are going.

September 22, 2021

by Saiyam Pathak

· 5,874 Views · 10 Likes

DevConf.US 2021 - Designing your best architectural diagrams workshop (free online)

DevConf.US 2021 the 4th annual, free, Red Hat sponsored technology conference for community project and professional contributors to Free and Open Source tec...

September 22, 2021

by Eric D. Schabell

CORE

· 2,254 Views · 3 Likes

DIY DevOps, CI, and CD with GitHub, Docker and a VPS

Azure and AWS is insanely cool until you look at your invoice and realise that what you're paying for can easily be replicated for 2% of your current cloud costs.

September 22, 2021

by Thomas Hansen

CORE

· 15,987 Views · 1 Like

Pass a Parameter to All JVMs in A Machine at The Same Time

Imagine a scenario where you need to change a JVM parameter, but you can’t or is not a good solution to changing the start script of your server(s).

September 21, 2021

by Jose Cruz

· 7,507 Views · 2 Likes

Consuming SOAP Service With Apache CXF and Spring

A guide on how to consume SOAP web services with Apache CXF and Spring Boot. Plus, some extra information on making configurations and logging requests for CFX.

Updated September 21, 2021

by Volkan Gungor

· 30,429 Views · 8 Likes

Everyone's a (Perl) Critic, and You Can Be Too!

Learn the basics of perlcritic, a tool for code readability, security, and bug prevention.

September 21, 2021

by Mark Gardner

CORE

· 2,516 Views · 4 Likes

3 Quick Ways to Recover Outlook PST Password Online

In this tutorial, a Core author takes you through the process of how to recover the password from a PST file using a variety of approaches.

September 21, 2021

by Mithilesh Tata

CORE

· 21,910 Views · 2 Likes

Feature Flagging: Falsehoods, Fallacies, and Downright Fictions

The concept of feature flagging is nothing new, and there are some misconceptions about this practice. Read to learn how to separate facts from fiction.

September 21, 2021

by Andrea Echstenkamper

· 10,611 Views · 1 Like

Your Guide to Automated Vulnerability Scanners: Types, Benefits, and More

This article delves into why organizations should embrace automated vulnerability scanning, various scanning mechanisms, and more.

Updated September 21, 2021

by Sudip Sengupta

CORE

· 14,510 Views · 2 Likes

Event-Driven APIs With Webhook and WebSub

In this article, the author discusses Webhook and Websub and how to implement a subscriber using Ballerina programming language in a practical way.

September 21, 2021

by Anupama Pathirage

CORE

· 12,027 Views · 3 Likes

The Best Javascript Frameworks for 2022

This article brings you the top JavaScript frameworks that have become an essential part of modern front-end web development.

September 21, 2021

by Smith Johnes

· 20,474 Views · 3 Likes

HTTP to SQL: Header Based Routing to a SQL Database

In this use case we will accept a payload via HTTP, inspect the header of the request and then depending on the value in the header, write the payload to a SQL database.

September 20, 2021

by David Brown

CORE

· 5,860 Views · 3 Likes