Data Mining
- Privacy Preserving Data Mining Bibliography (by Kun Liu)
- Distributed Data Mining Bibliography (by Kun Liu and Hillol Kargupta)
- A Study of Perturbation Techniques for Data Privacy (by Nina Mishra)
- Weka Software
- Kdnuggets.com

Searching and Browsing
- DataBase Systems and  Logic Programming (DBLP)
- Scholar.google.com
- Citeseer
- ACM Portal
- IEEE Xplore

Statistics
- Handbook on Engineering Statistics
- Statistics Glossary
- Statistical e-Book

Mathematics
- ERIC WEISSTEIN'S World of Mathematics
- MATLAB Primer
- Quickmath
- Numerical Recipe

Coding
- The Code Project
- Cplusplus.com

Latex
- Getting Started With Latex

Other Stuffs
- How To Be a Good Graduate Student
- Networking on the Network: A Guide to Professional Skills for PhD Students
- Landing an Academic Job: the Process and the Pitfalls [pdf]
- MIT Opencourseware Computer Science