Ansible, a powerful DevOps tools for Automation. Installed Ansible in a management Node, can use SSH to connect devices to perform complex business logic.

“Docker is a tool that can package an application and its dependencies in a virtual container that can run on any Linux server. This helps enable flexibility and portability on where the application can run, whether on premises, public cloud, private cloud, bare metal, etc.” Linux.com. Retrieved August 9, 2013.

ACAEngine is a platform for creating digital experiences for physical environments. It connects devices, hardware systems and thir-party software to provide an API for the built environment.

This application is made by ReactJS with mLab as external storage. It is used to record the income and expenditure. https://tommycmt.github.io/income_statement/

A simple program for scraping HK Stock past price.

A simple webpage for counting the remaining time of a year.

Sample code for passing user’s args to Python program

This program is a template for downloading files with consecutive file name in URL.

Get the querystring of a webpage by JavaScript in DevTool console

The following symbols can interpreter as numbers.