Prove Logs on Blockchain with Go and ProvenDB

It’s been a long time since my last blog post. Here is my recent one on Medium: ProvenLogs is a simple yet performant logging service built…

FileHeader for Atom

I just wrote my first Atom extension called file-header. It allows you to customize, add, update and cooperate your authoring information in header…

A Beautiful Linear Time Python Regex Matcher via NFA

I came across a problem on leetcode a few days ago. It asked me to implement a simple regex (regular expression) matcher which supports both . and *…

Arenal Volcano Costa Rica

August 11, 2007

I found this in Google Earth today. It’s so beautiful! After I showed this to Pat, he replied immediately “i want to build my house there”. Indeed, that’s also my dream. Great pic, thx Roberto Garcia.

The Arenal Volcano is the only volcano in Costa Rica constantly active since it woke up after 400 years with the big 1968 eruption producing huge ash columns, explosions & glowing red lava almost every day. It is considered one of the ten most active volcanoes in the world. This country is about beaches, rainforest and the spectacular Arenal.