Just a quick note for those who are looking on the web for the reason that their nesC code is not working: calling AMSend.setSource( *amsg, addr) may change the source address locally, but when you are sending the packet it will be reset to ActiveMessageAddressC$addr. After almost two days of wondering why I couldn’t forge […]
Category Archives: Tech Tips
Tech tips that I see.
mininetstumbler on PDA device
I am using a set of iPaq devices for some of my experiments here in UTD Distributed Systems lab. One of the devices is running WindowsCE 2003, the rest are running Familiar Distribution Linux. The WinCE one is collecting data about available wireless networks using mini-Netstumbler. The data gathered is not precise, but at the […]
ip info greasemonkey script
It usually happens that while I am reading an e-mail or viewing a stat report online, I want to quickly check the IP address information of sender. For instance just to see if the IP of sender is actually from the city the claimed person is in. This is not a big deal, I can […]
Assisted Driving
It is very exciting to see real world applications of computer related technologies. It gives me hope that this field is actually doing work, as other fields of science do. One branch of such real world applications is “assisted driving. What I mean by assistance in here is providing information, such as current speed and […]
firefox crashes, too often
Just to quickly say: at this very moment FireFox 2.0.0.2 sucks! It dies when a page has too many elements, like Wikipedia pages. Also, it does not like more than 1 or 2 YouTube videos in one page. It simply crashes, even in safe mode with no plug-in running. Sometimes it does not crash, but […]
yahoo messenger worm
Today I received two Yahoo messenger messages with very similar text, some thing like this: Toi di lang thang lan trong bong toi buot gia, ve dau khi da mat em roi? Ve dau khi bao nhieu mo mong gio da vo tan… Ve dau toi biet di ve dau? http://chendang.net—-/nguyen/ I don’t know what […]
Lam-MPI
While I was in ADA lab, we had all sort of problems with running lam-mpi across our nodes. Anyway, it was worth it and was quiet fun sometimes to work with it. You can find good tutorials here on their website, but even after reading these you may encounter some unexpected problems. How to solve […]