There’s one annoying problems with my Mac laptop. When I’m at work, I connect to external monitor and work on both built-in monitor on my laptop and the external monitor. When I go home I unplug the external monitor, close the lid and let the laptop goes to sleep. Once in a while, when I [...]

In this article, I’d like to explain, in layman terms, how computer networking works, in particular TCP/IP — the protocol that’s used on the internet. It will cover internet addressing, domain names, and ports. Hopefully by the end of reading this article, you’ll be able to understand better about how information transfers among computers. On [...]

I mostly do programming by SSH-ing to development server. The code I’m working on are often managed by using SVN. There are many occasions when I need to search all source code to find a particular string. If you’ve worked on a source code that’s managed by SVN before, you’ll pretty soon notice that there [...]

There are times when I need to quickly gather some quick data in a simple tab based or space based delimited file, most often log files. Also, the files that I work on are often huge, well according to my standard at least … about 1GB. The data that I need is often simple statistics [...]

I have HP TX1499US that I purchased off Home Depot a while back. I thought it was a very good deal for a tablet PC, with touch screen, with smaller screen (12.1"), with the stuff it comes with. One thing that I’m not really excited about is the OS it came with: Windows Vista. I [...]