Hands-On Guide: Connecting a Raspberry Pi Running Node.js to AWS IoT Core

In this hands-on guide, we will install Node.js on a Raspberry Pi 3 Model B+ and then connect our device to the AWS IoT Core service. This service connects to the Amazon Web Services (AWS) platform by using the MQTT publish-subscribe-based messaging protocol and lets your device communicate with other services on the platform.

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Creating moodfulness, a Mood-Tracking Web App

I’ve recently been working on a web app called moodfulness, which lets users enter whether they are happy or sad and then plots those moods on a map. In developing this app, I focused on usability, such as ensuring consistency and conducting A/B testing, and data visualization. Continue reading “Creating moodfulness, a Mood-Tracking Web App”

Fixing Database Connection Issues in Jira Core After a Power Outage

This article is for system administrators who encounter issues with using Jira Core in a Linux-based environment after a power outage. Continue reading “Fixing Database Connection Issues in Jira Core After a Power Outage”