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Can someone recommend a good web host for ROR? -- Posted via http://www.ruby-forum.com/.

Hi all, I am now working on performance tuning. I am still a newbie thus I am not talking about "full blown performance tuning". What I do now is just tracking my development.log to find whether I accidentally make redundant queries because of my misunderstanding of ActiveRecord, redundant AJAX calls, or logical mistakes. The questions: 1. From what I understand the standard log_level

I have been comparing R with other languages and systems. One peculiar feature of R is there is no scalar. Instead, it is just a vector of length one. I wondered how much performance penalty this deign cause, particular in situations with many scalars in a program. Thanks. Jason Liao, http://www.geocities.com/jg_liao Associate Professor of Biostatistics Drexel University School of Public