Xu Cui

 

   



564 Stories by Xu Cui

“a file found in the source-path must have the same package structure”

When you use mxmlc to compile files, you might encounter this error. You need to add source-path option: mxmlc -source-path C:/p/y/src/ -file-specs MyClass.as -debug=true
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Weekly cycle of alivelearn.net traffic

Number of people visiting this blog fluctuates periodically with period 1 week. Basically on weekends few people visit.
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Ready Go paper finally published in PLoS Biology

The paper: http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1000167 The primer by Prof Jennifer Coull: http://www.plosbiology.org/article/info%3Adoi%2F10.1371%2Fjournal.pbio.1000166 Discuss at Peaya: http://www.peaya.com/paper/s
1 9 sec read

Solution of Basel problem by Euler (from wikipedia)

Basel problem: find the exact value of $$1+\frac{1}{2^2}+\frac{1}{3^2}+\frac{1}{4^2}+… = ?$$ Solution: We have by Taylor expansion: $$\sin(x)=x-\frac{x^3}{3!}+\frac{x^5}{5!}-\frac{x^7}{7!}+…$$ Dividing through x we have, $$\frac{\sin(x)}{
0 26 sec read

i to i

What is the value of $$i^i$$ \(i\) being the imagery unit. This beautiful number indeed equals to $$i^i=e^{-\pi/2}=0.2079…$$
0 4 sec read

What can you do with 25 lines of actionscript?

http://www.25lines.com/
0 0 sec read

April’s drawing

Dragon’s Cave by ~degarnemai on deviantART The above drawing is made by April my cousin.
0 3 sec read

3D racing game (flash)

Or you can play it here: http://www.gamesfreak.net/games/3D-Rally-Racing_261.html
0 2 sec read

Advantage and Disadvantage of NIRS over fMRI

Advantages cheaper portable (smaller) safe natural settings (e.g. real human interactions instead of computer presentation) high temporal resolution (10Hz) less sensitive to head motion clinically friendly less environment noise long time recording c
0 18 sec read