similar to: handling association changes? What's the best practice?

Hello! I''ve been trying today to setup fleximage to handle photo uploads to a RoR application by following the tutorial that is provided (http://github.com/Squeegy/fleximage/wikis/gettingstarted) Originally, I just dropped in all of the sample code that they provided, which I copied below this question. - When I tried to access "new" to upload a new photo, I received an error

I''m trying to learn rails as I go along, and having a bit of trouble. There is an undefined method cropping that I don''t know why rails thinks should be there. Firstly, I''m using rails 3, ruby 1.9.2 I have a controller with an index action This part works fine, but i am trying to add a comment form to the page that is rendered by that index action. Supposing my

Need some advice. I''ve got two modules: artists and paintings. In my home page, I''ve got a 2nd page that says "Browse paintings", which displays ALL paintings of ALL artists. This is being rendered by paintings#index. In another page, I should show all paintings of a specific artist ONLY. Meaning, paintings from ONE artist. I cant use paintings#index for this anymore

I have a dataset, which contains a day column that I would like to retrieve results on. Is there any reason why daily_stats.where(''day = Date(?)'', dte).first returns and empty set, daily_stats.find(:first, :conditions => [''date(day) = ?'', dte]) returns the correct data and daily_stats.where({:created_at => (date.midnight - 1.day)..date.midnight}).first

Hi list, how are ya? So, my current project is just begging for the ability to have parameterized associations in my ActiveRecord classes. Basically I need something that is a cross between named scopes and standard associations (has_many specifically). I''m wondering if such a thing exists or, if not, if anyone else has an elegant, equivalent solution? Example: class Sprocket <

I have a macbook running snow leopard. I recently installed postgresql 9.0 on it. I also installed pg with the following command: sudo env ARCHFLAGS=''-arch x86_64'' gem install pg The result was fine: Building native extensions. This could take a while... Successfully installed pg-0.9.0 1 gem installed Installing ri documentation for pg-0.9.0... Installing RDoc documentation

Hey guys, I''m trying to merge a hash with another using the .merge! function. class User < ActiveRecord::Base serialize :preferences end This is what I end up with in the console: >> u = User.find(1) >> u.preferences.merge!{:test => 1} SyntaxError: compile error (irb):32: syntax error, unexpected tASSOC, expecting ''}'' u.preferences.merge!{:test

Artist.first.medias returns all medias. Media is an STI. Media can be video or painting. How do I return all paintings of an artist? Only paintings, not videos? In my Artist model, I tried putting: has_many :paintings, :through => :medias In console, I do: Artist.first.paintings.all And I get: ActiveRecord::HasManyThroughSourceAssociationNotFoundError: Could not find the source

I''m pretty sure that there''s a better way to do this: @roles = Role.find(:all) @selected_role = Role.find(@user.role_id) Can someone help me? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

Hello, I need some help with regex. I have this to sentences. I need to extract both "49MU6300" and "LE32S5970" and put them in a new colum "SKU". A) SMART TV UHD 49'' CURVO 49MU6300 B) SMART TV HD 32'' LE32S5970 DataFrame for testing: ecommerce <- data.frame(a = c(1,2), producto = c("SMART TV UHD 49'' CURVO 49MU6300",

"Please, consider that some SKUs have "-" in the middle, for example: "PG-9021". Then you need to include these in the list of patterns you gave. Try it again -- this time with a **complete** list. -- Bert Bert Gunter "The trouble with having an open mind is that people keep coming along and sticking things into it." -- Opus (aka Berkeley Breathed in his

I have a large Excel file with SKU numbers (stock keeping units) and forecasts which can be mimicked with the following: Period <- c(1, 2, 3, 1, 2, 3, 4, 1, 2) SKU <- c("A1","A1","A1","X4","X4","X4","X4","K2","K2") Forecast <- c(99, 103, 128, 63, 69, 72, 75, 207, 201) PeriodSKUForecast <-

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

I have mange to use the library reshape to give me data structures that I want. Specifically: m2008 <- melt(t2008, id.var=c("DayOfYear","Category","SubCategory","Sku"), measure.var=c("Quantity")) m2007 <- melt(t2007, id.var=c("DayOfYear","Category","SubCategory","Sku"),

I have a list List(Sku=" ", Shape=1, Scale=3, DayOfYear=daylist) Note: picture daylist as c(2,3,4,3) it is a list with variable length. Then I have a list of lists al <- c(al, List(List(Sku=" ", Shape=1, Scale=3, DayOfYear=daylist)) Note: same comment on daylist as above. So far this creates a list of lists just how I want it. If I do al[1] I get each member and the

Hi, I am trying to replace (lattice) standard xyplot with xYplot variant from Hmisc package to be able to add error bars to my plots. However, this does not work, e.g: library(lattice) d <- data.frame( SKU=gl(3, 1, 21, labels=c("a", "b", "c")), Weekday=gl(7, 3, 21), QCRate=runif(21)) xyplot(QCRate ~ Weekday | SKU, data=d) (this plots nice 3 panels as per

Hi, I''m working to scrape and save some ebooks. Mechanize has been wonderful so far. The link I''m having trouble with is this one. http://www.webscription.net/SendZip.aspx?SKU=0671578499&ProductID=379&format=H When I click that in the browser it saves it to a file named H_1632.zip. How do I get that name from the page. I suspect to save this to a file I would just do

I have a set of data that is basically sales figures for a given year. It has columns for Yeaqr, Day Of Year, Sku, SubCatetory, and Category. The first few lines of data look like: Year DayOfYear Sku Quantity CatId Category SubCategory 1 2007 1 100091 1 10862 HOLIDAY Christmas 2 2007 1 100138 1 11160 PET COSTUMES Famous

I have a list that is generated from the resape package function 'cast'. It consists of three columns, Sku, DayOfYear, variable it is generated like: r2007 <- cast(m2008, DayOfYear ~ variable | Sku, sum) Now DayOfYear can range from 1:365 but there are not necessarily that many rows in the list. What I want to do is make every row in the list of lenght 365 and have the values

I have some data that I read in via read.csv: sales2007 <- read.csv("Total2007.dat", header=TRUE) The data looks like: > sales2007[1:605,] Year DayOfYear Sku Quantity CatId Category SubCategory 1 2007 1 100091 1 10862 HOLIDAY Christmas 2 2007 1 100138 1 11160 PET COSTUMES Famous (Licensed) 3 2007