No language will give you a magic speed boost if you do not understand how it processes the numbers and data structures.
My recommendation is probably not what you want to hear: pick a language that you are comfortable with and study it so that you know how to write efficient code with it.
I use K-9 on my Android phone and tablet, and in one client, I have my eight email accounts and more flexibility than I could imagine having on the PC, without the barrage of ads that most webmail clients send you on the PC.
The only way for me to return to the PC would be to have a K-9 like client for the PC.
Video ads have done a good job of luring me away from broadcast and cable television (except for premium, ad-free channels)
I have flashblock installed on all my browsers and am very happy with it.
What is the attraction of video ads for the user?
It is unbelievable that somebody would actually propose something like that.
It's not like an idiot about to rape somebody will change his mind after thinking of science...
What that judgement tells me is that the courts are still in the record company's pockets, even when they are wrong, which they are more often than not. They could not say the law was not what it is, but they did the next best thing by killing Veoh another way.
This can happen as many time as needed, lather, rince and continue.
The number of UNIX installations has grown to 10, with more expected. -- The Unix Programmer's Manual, 2nd Edition, June 1972