similar to: complicated search/model question

Hi, I am doing the following: <% obj.contracts.each do |@contract| -%> ... <%= hidden_field("contract[]", :contractor_id, :index => @contract.contractor.id) %> <%= date_select("contract[]", :starting_on, :index => @contract.contractor.id) %> ... <% end -%> Here are the request parameters: {"commit"=>"Save",

Hi all, I am having trouble trying to use reflect_on_association method with given the simplified model: class Order < ActiveRecord::Base belongs_to :contractor, :class_name => "BusinessUnit" end I expected the reflect_on_association method to return associated_foreign_key "contractor_id" but it returns "business_unit_id": ruby-1.9.2-p0 >

Does anyone know how to control electrical load remotely using Linux? I'm thjinking a network addressable contactor (200 Amp) but I have not been able to source one. -- Chris Mason NetConcepts (264) 497-5670 Fax: (264) 497-8463 Int: (305) 704-7249 Fax: (815)301-9759 Cell: 264-235-5670 Yahoo IM: netconcepts_anguilla at yahoo.com

I am looking for a little assistance with a problem I have with a simple table join using Rails. I am a relative newbie to both Ruby and Rails so any help would be greatly appreciated . I have two tables products and product_formats. create table products ( id int not null auto_increment, title varchar(100) not null, product_format_id integer

I''m trying to display a list of pages in xml. I want to change page.update_at to distance_of_time_in_words_to_now. However whenever I run it I get an error saying: undefined method `distance_of_time_in_words_to_now'' I know I can just go the rails api and copy the source, but there must be another way. def list @page = Page.find(:all, :order => "updated_at desc")

Hi, Let''s say I''ve the following Models and their relative associations: Seat ---- belongs_to :booking Booking ------- has_many :seats has_many :debits, :as => :chargeable Debits ------ belongs_to :chargeable, :polymorphic => true Why >> seat.booking.debits nil while >> Booking.find(seat.booking_id).debits [] ? Thanks. Cheers, Marco

I am using Rails 2.0.2 and trying to use to_json to generate json. I notice several problems. 1) datetime field such as created_at mapped to "created_at": {} 2) :except does not work, @post.to_json(:except => [:created_at, :updated_at] still gives me "created_at": {}, "update_at": {} 3) problem with escaped char mapping: ''<'' mapped to

From:Mr Sander Yuan, G.Manager Chnze Electric Equipment Co.ltd. No.17-505 Lumingyuan Lucheng Industrial zone Wenzhou China 325007 Fax:86-577-88776860 Tel:86-577-88776861 or 88776862 E-mail:qunze@mail.wzptt.zj.cn chnze@mail.wzptt.zj.cn http://www.chnze.com; http://www.electricbase.com Dear Sir, We are pleased to introduce ourselves as leading manufacturers and exporters in

Hi, I''m having a weird validation issue. Validation isn''t working for certain attributes and, for some reason, it''s also affecting things outside of validation. For campers on certain camp types, we require some information about their school. I tried to validate the information this way: validates_presence_of :school_type, :if => Proc.new { |c| !c.booking.nil?

Hi, When executing some rjs templates: page.insert_html :bottom, ''contractors'', :partial => ''contractor'' page.visual_effect :highlight, "contractor#{@contract.contractor.id}", :duration => 1 Works fine on Firefox, but nothing happens on IE. Is there any equivalent of Firebug for Internet Explorer? Are there "well-known" tips for

Hello, Using base R only, the following seems to do what you want. with(mydf, ave(speed, date_time, type, FUN = weighted.mean, w = n_vehicles)) Hope this helps, Rui Barradas Em 09-11-2017 13:16, Massimo Bressan escreveu: > Hello > > an update about my question: I worked out the following solution (with the package "dplyr") > > library(dplyr) > > mydf%>% >

Hello up there! Attached is my patch to add support for AL175 alarm module, Please ACK or NAK this. -- ?????? ??????? -------------- next part -------------- A non-text attachment was scrubbed... Name: al175.patch Type: text/x-diff Size: 35632 bytes Desc: not available Url : http://lists.alioth.debian.org/pipermail/nut-upsdev/attachments/20050919/84b639e0/al175-0001.bin

Hi, I''d be grateful for your help. I get the error (see below) everytime I add the following into a newly generated (via scaffold) model class: validates_presence_of :myname, :mymessage, :mytel Without it, I can insert records into my database. With it, I get the error :( ERROR>> ArgumentError in AdminController#create wrong number of arguments (1 for 0) RAILS_ROOT:

Dear Massimo, It seems straightforward to use weighted.mean() in a dplyr context library(dplyr) mydf %>% group_by(date_time, type) %>% summarise(vel = weighted.mean(speed, n_vehicles)) Best regards, ir. Thierry Onkelinx Statisticus / Statistician Vlaamse Overheid / Government of Flanders INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND FOREST Team

Hi, I'm new to R and new to this forum. I'm struggling with trying to extract certain rows of data from my data.frame. The data.frame has eleven columns. Among those columns are "FISH_ID" and "DATE_TIME". FISH_ID is a factor. For each of my 21 unique FISH_IDs (levels) I have a few to a few thousand rows, each row with a unique DATE_TIME value. I would like to obtain,

Hi All. I have a mysql statement that I would really really like to call from my Ruby program which goes like this: SELECT a, b, DAYOFWEEK(date_time) as DOW, HOUR(date_time) at hr, AVG(x/y) FROM records; This is possible by creating a 3-dimentional array of a, b, date_time containing x/y, and then finding averages and putting it into a 4-dimensional array of a, b, dow,

Dear All, I seem to have stumbled across an AGI problem; I have written an AGI Script (bottom of this email); The script does the following; Makes a CDR entry when called Records the call Updates the CDR Finds a corresponding DNIS from the SMDR table (captured via a serial port logger) Matches up the record and updates the CDR. The script works perfectly in my test lab and has been doing so

Look at the bottom of the message for my question #here is a little function that I wrote USGS <- function(input="discharge", days=7){ library(chron) library(gsubfn) #021973269 is the Waynesboro Gauge on the Savannah River Proper (SRS) #02102908 is the Flat Creek Gauge (ftbrfcms) #02133500 is the Drowning Creek (ftbrbmcm) #02341800 is the Upatoi Creek Near Columbus (ftbn) #02342500 is

Hi All Hoping someone can help me with the "transactions" object. I am struggling to get my data in. I know the answer is in the help somewhere I'm sure, I just cannot find it. Essentially, I have data in this format (though I can change it if it particularly unsuitable) Transaction_id, store , salesman, date_time , items 1 , waterfront, john ,

Ok, this is a hard one and I just thought I''d see if people on the list had any suggestions on how they would approach this, I''ve not started to implement the rails to handle this yet as I''m still at the paper planning phase. I''m building an app that has to handle availability for travel packages. The complexity comes in that a person can choose a start