Xu Cui
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567 Stories by Xu Cui
Picture: The vascular bed is treated as an expandable venous compartment (a balloon). If there is a burst of flow, the volume will increase and then return to baseline. That’s where ‘balloon’ comes from. During steady state (i.e. wi
Use htpasswd to create password file, or add password htpasswd -c .htpasswd fred htpasswd .htpasswd linda Then create a .htaccess file with the following text (not the path to the password file has to be full path) AuthUserFile /full/path/to/.htpassw
心灵的高度是心灵达到一种超脱世俗，不为世俗所牵制的高超的思想境界。自来到西藏后，我逐渐对心灵的高度有了最新的感悟：心灵是一个人的根，人们的观念在心灵深处徘徊而升华；心灵是一个人的灵魂，人们的举动因为心
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
Number of people visiting this blog fluctuates periodically with period 1 week. Basically on weekends few people visit.
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
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, $$\frac{\sin(x)}{
What is the value of $$i^i$$ \(i\) being the imagery unit. This beautiful number indeed equals to $$i^i=e^{-\pi/2}=0.2079…$$