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New York, New York, United States
我叫江奕賢啦

2004年5月13日

background for cell phone
http://home.wanadoo.nl/mijnwww/top10.html

for my cell phone, just give it the url to that gif file,
then select "save", done.

but can't distribute to others.

use this to find a free web to sms provider
http://www.textmefree.com/US_Only/

2004年5月12日

2004年5月3日

powerpoint slides talking about using Logic Circuits to implement AND, XOR Gates, etc. and also MUL, ADD, PLA...
http://cs.colgate.edu/faculty/nevison/cs201web/lectureNotes/transistorlogic.ppt

you can use "Simcir the circuit simulator" or xLogicCircuits to play with gates.
you can try to implement adder or Flip-Flop as follow: http://www.brunel.ac.uk/~castjjg/hndcfund/material/logic/part5.htm

scheme online interpreter
http://jscheme.sourceforge.net/jscheme/src/jlib/demo/Demorunner.html
try this:


(define (count lis ele)
(cond((null? lis) 0)
((eq? (car lis) ele) (+ 1 (count (cdr lis) ele)))
(else (count (cdr lis) ele)))
)
)

(count '(a b c d a a) 'a)