I used to have a post revision plugin for Octopress and I love it. Here is my effort to achieve the same effect in Pelican.

Recently I migrated this blog site from Octopress to Pelican. Here is why and how.

I have been attending the Google Mobile Summit for past two days. I'll share some of the exciting projects that Google is doing as well as my personal take away from them.

I this post I will talk about the extra steps to build a usable Lollipop (5.1.1) ROM for LG Nexus 5 (hammerhead) device. Most of the functionalities work out of box (bluetooh, Wifi tethering, camera, etc), but there are some show-stoppers.

One of the PhoneLab participants accidentally forgot the PIN code for his phone, thus can not access the phone at all. There are tremendous tutorials online on how to solve this. This is what I tested and worked.

Vim has great built-in spell checking. Even better, when editing source code files, it is smart enough to know not do spell checking in source code, which is quite neat. However, it will still do spell checking for string literals. Most of the times, this is not desired. This post shows how to tell VIM only do spell checking in comments when editing code files.

I used to be able to change the MAC address of WAN interface by specifying macaddr option in /etc/config/network. However, due to unknown reason, this no longer works in snapshot builds. Here is how to achieve the same effect using init scripts.

IOzone is a famous file system benchmark tool in *nix world. In this post, I'll show you how to port it to Android and how to use it to benchmark both flash and Ramdisk's performance.

Here are the steps and caveats to setup a proper mail list on Ubuntu server. The instructions are are for Ubuntu 14.04 LTS, and should be easy to adapt for other platforms.

In one of my projects I need to track every screen touch event in background. That is, my app needs to be "invisible" while capturing every screen touch. Here is how I achieved this.