Sidekiq doesn't load Rails code changes automatically, be awared of it

Dangerous attribute auto assignment by cancan that Rails developers should be awared of!

Translate IP to Country using Maxmind database (reinvent the wheel)

Geographic report with Apache Spark from Nginx access log, experience from a newbie

Using Vim to convert Jade html to Slim

Weird thing about Rails date api

Some common linux kernel tuning for Linux server

Happy Lunar New Year, the Goat Year, my year!

Hanging out with my friends before Tet holiday

lion-attr, handy gem for manapulating Mongoid document object attributes' value with Redis