CHAOTIMER

June 28, 2012

ChaoTimer is a professional cube timer for speedcubers with neat design. Without any buttons in the timer tab, ChaoTimer supports different gestures to delete last solve, reset sessions, change scramble types, etc. It supports all kinds of WCA scrambles. And it's FREE.

Amazon S3 CloudFront URL Helper

May, 2016

This tool helps me write my blogs. It can list all images in a folder on S3, replace the prefix of an image url with the CDN domain, and provide a one-click copy feature.

Optimal Road Trip Across All 47 National Parks in US Mainland

May, 2016

This is a map which is an optimal but probably not the absolute best route for a road trip across all 47 national parks in US Mainland. For details, see my blog: Computing the Optimal Road Trip Across All 47 National Parks in US Mainland