similar to: Simple Newbie db ???

I want to modify and update the items in the Depot - "display_cart". Since the cart is in a session, its a little hard to get at the data. I just want to create a way to change quantities, prices and recalculate. Has someone done this, and could you point me to the right direction. Thanks Chas -- Posted via http://www.ruby-forum.com/.

Hi Got a column named ''sku'' in a table named ''product'' <%= product.sku %> ...looks like this.... ''1234_56'' These last two chars (56) are an audio Track number. I ultimately want to display: Track <%= product.sku %> I can isolate the first part with /\d+\_/ = 1234_ But can''t figure out how to get the last two

Hola, Otra forma, utilizando la función de intervalos y la que comprueba si otro intervalo se solapa del paquete "lubridate": #---------------------- library(lubridate) fe.chas <- data.frame( entra=c('2001-01-01','2001-06-01','2003-01-01') ,sale=c('2002-01-01','2002-06-01','2004-01-01') ) ref <-

Dear all, I'm having some problems with using the step() function inside another function. I think it is an environment problem but I do not know how to overcome it. Any suggestions are appreciated. I've prepared a simple example to illustrate my problem: > library(MASS) > data(Boston) > my.fun <- function(dataset) { + l <- lm(medv ~ .,data=dataset) + final.l <-

Dear all I am trying to fit Variable Coefficients Models on Unbalanced Panel Data. I managed to fit such models on balanced panel data (the example from the "plm" vignette), but I failed to do so on my real, unbalanced panel data. I can reproduce the error on a modified example from the vignette: > require(plm) > data("Hedonic") > Hed <- pvcm(mv ~ crim + zn + indus

I have a method in application_helper.rb like this: def my_method(arg1, arg2 = {}) ... end when I call this method from an rhtml file like this: my_method @var I get this message: wrong number of arguments (1 for 0) When I call the method without arguments like this: my_method I get this message: wrong number of arguments (0 for 1) I am new to Ruby and Rails so I presume that

Hi, Any chance of a CentOS 5.1 single server CD similiar to the one for 4.4? That CD wa very useful for 90% of the instals that I've been doing and whatever extras were needed were eaily added through Yum. Chas. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.

Dear All, I have data which contains 14 variables. And I have to regress one of variables on each variable (simple 13 linear regressions) I try to make a loop and store only R-squared colnames(boston) [1] "CRIM" "ZN" "INDUS" "CHAS" "NOX" "RM" "AGE" [8] "DIS" "RAD"

? data=read.table("http://statcourse.com/research/boston.csv", , sep=",", header = TRUE) ? library(rpart) ? fit=rpart (MV~ CRIM+ZN+INDUS+CHAS+NOX+RM+AGE+DIS+RAD+TAX+ PT+B+LSTAT) Please: Show me the tree. Mark -------- Original Message -------- Subject: Re: [R] help with rpart From: "Stephen Milborrow" <[1]milbo at sonic.net>

" Does anyone know if there is a program for linux like ices that can dump live audio from an input to an mp3 file? Or, is there any software for windows that can capture the mic input and line in input and encode them seperately but both live? Thanks, Andy Carlson IT Manager City of Princeton www.princeton-il.com Office (815) 875-2631 ext. 253 Cell (815) 719-0023

getnybble() needs to return four bits at a time from every byte. During rle decode, rows are rounded to an integer number of bytes. The rle length needs to be able to hold values > 255. Signed-off-by: Chas Williams <3chas3 at gmail.com> --- core/graphics.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/core/graphics.c

VGAFilePtr is used as a pointer into VGAFileBuf, so it should be the same type. Signed-off-by: Chas Williams <ciwillia at brocade.com> --- com32/elflink/ldlinux/msg.c | 4 ++-- core/graphics.c | 2 +- core/include/graphics.h | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/com32/elflink/ldlinux/msg.c b/com32/elflink/ldlinux/msg.c index 9ded33e..37cbe71

Hi, I am trying to compile the R-dev version on a unix Suse machine and got errors. Would someone be able to help me determine what to do to fix these errors: make[1]: Entering directory `/lustre/people/schaffer/R-devel/m4' make[1]: Nothing to be done for `R'. make[1]: Leaving directory `/lustre/people/schaffer/R-devel/m4' make[1]: Entering directory

Hi, I need to convert numbers to characters in order to index an array when I encountered the number 100000 which turned into "1e+05". Does anyone know how to get around this problem? Lana Schaffer Biostatistics/Informatics The Scripps Research Institute DNA Array Core Facility La Jolla, CA 92037 (858) 784-2263 (858) 784-2994 schaffer at scripps.edu

Hello everybody, i 'm new here, i 'm new with linux and i want break up friendship with windows :) but... i run the game(Ancient Conquest), it was made 10 years ago and dont work on windows XP(for me, maybe for someone work). Problem is with ...yea what's the problem. i ran setup of this game and installed to C:\Program Files\Ancient Conquest\. i run it after i used CD to enter

I found an interesting page today that I was trying to script against. The server returns a 404 with content and the page just works normally in firefox despite the 404. Mechanize raises an exception on it though. I''m working on a test case now.

Hi, I am using this subset statement and it works outside a function. LIS[[i]]<- lapply(LI, subset, select=cov[[i]]) However, wrapped inside a function this statement produces the same values for every LIS[[1]] which is only the first subset of LI. Does anyone know why is not working correctly inside a function? ff = factor(covariate) nLev <- nlevels(ff) cov <-

Bradley Taylor shot me this *goldmine* of ugly ugly ugly dogs: http://www.sonoma-marinfair.org/uglydogvote.shtml I *have* to use one of these for the Mongrel BUGS Mascot. He''ll go on our bug list page and replace the little beetles on the left. Pick the dog you think best represents a lovable but defective pooch and reply to this with your +1. Let the voting begin! -- Zed A. Shaw

Hi, Can someone suggest an efficient way to substitute a vector/matrix which contains 1's and 0's to P's and A's (resp.)? Thanks, Lana

Is there a decent way to add a field to a form before posting it? I haven''t tried using HPricot manipulations just yet, since I can''t ever find really solid docs on hpricot.... Form#[]= doesn''t work because it first searches only pre-existing fields. I''m investigating how to write a patch now. But I thought maybe someone here might have an idea.