similar to: general questions

Displaying 20 results from an estimated 5000 matches similar to: "general questions"

2006 Jan 25
2
select list generated from table
Have 2 tables - clients & case_managers class Client < ActiveRecord::Base has_one :case_manager end app/views/clients/_form.html contains line... <p><% collection_select("client", "case_manager_id", \ case_manager.find_all, "name", "id") %></p> and this line generates error... undefined local variable or method
2006 Feb 06
3
linked table confusion
placement.rb has_one :client has_one :case_manager client.rb belongs_to :case_manager has_many :placements case_manager.rb has_many :clients has_many :placements I am trying to create a view file for placements. I can pull columns from clients table in this view by using... <%= @placement.client.wholename %> but if I use <% @placement.case_manager.wholename %>
2006 Jan 30
5
Lookup from related tables
I have been working on this for 3 days and haven''t been able to solve it. I have 2 tables... clients belongs_to: case_managers case_managers has_many: clients When entering new clients, I need to have some type of select box that allows me to pick the case_manager (by name) so that the ''id'' field from the case_manager table is inserted into clients.case_manager_id
2006 Feb 08
7
DRY methodology
because I am a grasshopper... Now that I can sort my ''list''...is there a logical way of not repeating myself to having essentially the same list view with multiple sorts? i.e. def list_cl # ordered by clients last name @placement_pages, @placements = paginate( :placements, :include => [:client], :order_by =>
2006 Apr 02
5
foreign keys and migrations
Hi: I''m looking to get a point clarified which i''m sure is obvious to everyone else but I haven''t been able to find the answer to. i''ve tried searching through the forums and the api pages and haven''t found anything. Is there a way with migrations to set up foregin key relationships? (beyond putting in the relevant foregin_id attributes) Is
2006 Jan 28
1
finishing a lookup value
I have a form...2 tables and using auto_complete table clients id case_manager_id foreign key case_manager_id to case_manager(id) table case_manager id name my app/views/clients/_form.rhtml includes which works (finally!) <%= text_area_auto_complete_for :case_manager :name %> and now in clients_controller.rb def create @client = Client.new(params[:client]) I need to add a line to
2006 Mar 25
1
foreign keys on migration
I have reached a development plateau and now want to integrate some of the rails niceties that I passed over to get the system online. I am fooling with migrations. I am using postgresql. I put in my migration script (at the end of the ''up'' method, the following raw sql code... # set up primary key restratints for PostgreSQL execute ''ALTER TABLE ONLY
2006 Jan 26
0
selecting from dynamic pop-up list populated by a table
I''ll try again... I am looking at this page...HowToUseFormOptionHelpers http://wiki.rubyonrails.org/rails/pages/HowtoUseFormOptionHelpers perhaps I should be using Ajax for this...I haven''t looked at Ajax yet. Have 2 tables - clients & case_managers I want the data from a column in case_managers to be the select list on a screen for adding/editing clients as I am pretty
2006 Apr 15
6
view code regular expression
I''m lost on regular expressions to begin with... I''m trying to fix a value to one of 4 radio buttons as there will be value of either 1,2,3 or 4 in @roles_users... <TD><input type="radio" id="roles" name="case_managers[case_manager_name]" value="Case Manager Admin" <% if =~ @roles_users /1/ checked =
2006 Feb 21
8
Validations continued
I simply can''t figure this out. I have been reading and re-reading Agile book and wiki.rubyonrails.org - all sorts of validation methods and still, it doesn''t work. Controller code def create @client = Client.new(params[:client]) if @client.save! flash[:notice] = ''Client was successfully created.'' redirect_to :action =>
2006 Jan 25
17
Lookup pattern in Ruby
Hi folks, I''m curious how a lookup with a large group of values would be handled in Rails. For example, I have a (contrived) AnimalType filtering a list of many Animals--more than can be presented comfortably in a dropdown box. Therefore I need to either redirect to another screen to select an animal (returning after the selection is made), or show a dialog--modal or otherwise--to
2006 Feb 07
0
second table column data lift
have placements, clients and case_managers tables with relationships Trying to create new placement record...case_manager_id field exists in clients table. I need the value from related clients record in placements table in placements_controller.rb def create @placement = Placment.new(params[:placement]) case_manager_id = Client.case_manager_id # this doesn''t work if
2006 Feb 13
8
postgres and rake
am in a bit of a quandry... I have asked postgresql-users list and haven''t gotten anything to work with... > > How do I change the owner of a schema? > > > > ALTER SCHEMA "public" OWNER to "some_user"; #? > > http://www.postgresql.org/docs/current/interactive/sql-alterschema.html > > The docs explain this very situation. HTML
2006 Feb 03
9
Because I''m very slow - trying to use console
I can''t see how to use variables so I am using console to test things out... clients table - a column named first_name My very brief console session... >> clients = Client.find_by_sql("select * from clients where first_name = FN") ActiveRecord::StatementInvalid: RuntimeError: ERROR C42703 Mcolumn "fn" does not exist Fparse_expr.c L1034
2006 Mar 01
9
ajax doesn''t show at the right place
Hi, I use link_to_remote to create a link to trigger an ajax, things work fine, a new rhtml is created, however, the newly created rhtml doesn''t replace my old zone, it shows instead on top of my old zone...Does someone know why??? my code is like <table> <tr><td colspan="2"><a href="#" onclick="new Ajax.Updater(''zone1'',
2006 Apr 05
1
send_file VS. send_data (performance)
Does anybody know if there is a big performance/time cost difference between these two methods of serving a file: ------------------------------- #1 ----------------------------------------- send_file "test.png", :type => ''image/png'', :disposition => ''inline'' ------------------------------- #2------------------------------------------
2006 Jun 05
3
How to get dd mmm and yyyy from dd-mmm-yyyy
The input values could be something like this: 01-Dec-2006 01-December-2006 1-June-2006 Is there an easy to way to get the three variables populated dd, mmm and yyyy for any of the above input values? I tried to look at regex but couldn'' anything simple. Thanks -------------- next part -------------- An HTML attachment was scrubbed... URL:
2006 Jan 28
1
referencing a table
I am trying to use auto_complete_for to reference a different table. in my clients_controller.rb file auto_complete_for :case_manager :case_manager.name ^^^^^^^^^^^^ this is not the clients table my models/clients.rb has: has_one: case_manager The above ''auto_complete_for'' line in clients_controller.rb
2011 Mar 27
1
pmt
I am working with the pmt function in the {mnormt} package, and i am getting negative values returned. the following is an example of one of my outputs: pmt(x = c(3.024960, -1.010898), mean = c(21.18844, 21.18844), S = matrix(c(.319,.139,.139,0.319), 2, 2),df = 42) # -6.585641e-18 Any help on why i'm getting negative numbers would be very much appreciated. THanks! -- View this message in
2006 Apr 04
3
Financial functions
In what R package(-s) can I find the entire set of financial functions that you can find in MS-Excel such as PMT, PPMT, FV and IPMT? Ciao Vittorio