this is a good place

Hello everyone
I am a new here.  I am from Beijing. My name is Yusuke, a name I took from  which come from a Japanese cartoon. I majored in computer science and has eighter years of experience in web development. I want to know some guys friends and improve my English.

Yusuke from Yuyuhakusho?  Anyway, your capitalization is atrocious.  Do you know the rules of capitalization or just being plain lazy? :)

t [T]his is a good place.

Hello everyone["," or "!"] 
I am a new ["here" or "to this site"] ,  [and] from b[B]eijing. m[M]y name is yusuke[,] which come[s] from a japanese cartoon [Your real name is Yusuke? Or, your nickname is Yusuke? Not clear, but it is possible for your real name to be Yusuke despite you being from Beijing...]. I majored computer science and has eighter [eight] years experience in web development. I want to know some guys and improve my e[E]nglish.

Yes, I agree, this is a good place to meet people and improve one's language skills! Good luck!

This Is AGood Place

Hello everyone, 
I am a new (here). I’m from Beijing. My name is Yusuke, which comes from a Japanese cartoon. I majored in computer science, and I have eighter years experience in web development. I want to know some people and improve my English.

>My name is Yusuke, which comes from a Japanese cartoon.< If it's a nickname you took from an animation, the second correction is more correct.