search for: mayol

hi, i have this message NoMethodError: undefined method `ord'' for 0:Fixnum: SET NAMES ''utf8'' when i use the command rake db:migrate Have you an idea ? here my files : http://patxi.mayol.free.fr/public/database.yml http://patxi.mayol.free.fr/public/001_create_livres.rb http://patxi.mayol.free.fr/public/config_mysql.txt thanks My config : Windows XP PRO SP3 wamp 2.0 with mysql 5.0.51b apatana 2.0 rails 2.3.2 ruby server 1.8.6 rubygems 1.3.5 -- Posted via http://www.ruby-forum.com...

Hello friends of R, My name is Toni, i'm 25 and I'm working on the Meteorological Investigation team from Balearic Islands. I had contact to you because I have a problem: I done a file for every day since 1912 about precipitation. That file has the following structure: > str(Ast) Loading required package: sp Formal class 'SpatialPixelsDataFrame' [package "sp"]

Hi and thanks to all R developers and helpers, I wanrt to take the 1 and 3 dimensions of this object to create a new one without the years and with the next functions to do some specific calculations: > str(PMpa) num [1:499105, 1:60, 1:12] 29.8 55.8 29.7 25.1 25 ... - attr(*, "dimnames")=List of 3 ..$ punt: NULL ..$ any : chr [1:60] "1950" "1951"

Hello, I am using the package arules to generate association rules. I would like to restrict the rules so that in the left-hand side there's only one particular element, let's call it "potatoe". If I do this: rules <- apriori(dtm.mat, parameter = list(sup = 0.4, conf = 0.9,target="rules"), appearance = list(lhs = c("potatoe"))) I get "potatoe"

I am reading a lot these days about XEN and VT paravirtualization. I would like to know if it does exists a linux distro live CD/DVD that would allow me to install several OSs. I''ve read this implementation: http://unit.aist.go.jp/itri/knoppix/xen/index-en.html , but I cannot dowload it If it doesn''t exist I would like a Live CD/DVD that would allow to install a Linux