# Heatmap demo

A heat map (or heatmap) is a graphical representation of data where the individual values contained in a matrix are represented as colors. “Heat map” is a newer term but shading matrices have existed for over a century. wiki

# Using github webhook

Webhooks allow you to build or set up integrations, such as GitHub Apps or OAuth Apps, which subscribe to certain events on GitHub.com. github

# Git

Git (/ɡɪt/) is a distributed version-control system for tracking changes in source code during software development. It is designed for coordinating work among programmers, but it can be used to track changes in any set of files. Its goals include speed, data integrity, and support for distributed, non-linear workflows wiki

# Free https certification

To enable HTTPS on your website, you need to get a certificate (a type of file) from a Certificate Authority (CA). Let’s Encrypt is a CA. In order to get a certificate for your website’s domain from Let’s Encrypt, you have to demonstrate control over the domain. Let's Encrypt

# Cushion sensor

A heat map (or heatmap) is a graphical representation of data where the individual values contained in a matrix are represented as colors. “Heat map” is a newer term but shading matrices have existed for over a century. wiki