Computer Science:
"A compendium of NP optimization problems": http://www.nada.kth.se/~viggo/problemlist/
"Open problems in mathematics, graph theory and theoretical computer science": http://garden.irmacs.sfu.ca/
For graduate program:
"The PhD experience" by Mihir Bellare: http://www.cs.unc.edu/~azuma/hitch4.html
"So long, and thanks for the Ph.D.!" by Ronald Azuma: http://www.cs.unc.edu/~azuma/hitch4.html
"Advise Collections" Maintained by Tao Xie and Yuan Xie: http://people.engr.ncsu.edu/txie/advice.htm
"Unsolicited advice on CS independent work" by Prof. Brian Kernighan of Princeton University: http://www.cs.princeton.edu/~bwk/advice.html
"How to be a good graduate student" by Marie desJardins : http://www.cs.indiana.edu/how.2b/how.2b.html
"Useful Things to Know About Ph. D. Thesis Research" by H.T. Kung: http://www.eecs.harvard.edu/~htk/thesis.htm
Technical writing:
"Tips for Writing Technical Papers" by Jennifer Widom: http://infolab.stanford.edu/~widom/paper-writing.html
" Tips for a Good Conference Talk" by Jennifer Widom: http://infolab.stanford.edu/~widom/conference-talks.html
"The elements of style" by William Strunk Jr. and E. B. White: http://en.wikipedia.org/wiki/The_Elements_of_Style
"Writing a technical paper" by Michael Ernst: http://people.csail.mit.edu/mernst/advice/write-technical-paper.html
Conferences and Journals:
Misc:

"Albert Einstein Quotes": http://www.humboldt1.com/~gralsto/einstein/quotes.html
"Your source for the latest research news": http://www.sciencedaily.com

If you know of any additional useful link, please send an e-mail to add here.