search for: startdatum

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2008 Dec 15
0
mixed csv and csv2
...;-read.csv(paste(Pfad,dateinamen[i],sep=""))) if(is.na(input_teil[1,1])){ file.copy(paste(Pfad,dateinamen[i],sep=""), paste(auslagerung,dateinamen[i],sep="")) file.remove(paste(Pfad,dateinamen[i],sep="")) } } dateinamen<-list.files(Pfad) startdatum<-data.frame(NA,nrow=1,ncol=length(dateinamen)) enddatum<-data.frame(NA,nrow=1,ncol=length(dateinamen)) beobachtungen<-data.frame(NA,nrow=1,ncol=length(dateinamen)) #Nehme Dir nun die Dateien zur Brust und schreibe Länge der Datei, Anfangsdatum, Enddatum for (i in 1:(length(dateinamen))...
2005 Dec 02
1
undefined local variable or method `errors' for Listing:Clas
I have a listing model in which I''m trying to validate a date (2005, 2, 29 - is not a valid date). def self.validate_date(year, month, day) unless Date::valid_date?(year.to_i, month.to_i, day.to_i) errors.add(:start_date, "De startdatum moet geldige datum zijn.") end end But everytime I call this code I get: undefined local variable or method `errors'' for Listing:Class Looking on the internet and in the Rails book errors.add should work and should raise an error in the view. Anybody any ideas? Kind regards...