similar to: Category and subcategories in database

Displaying 20 results from an estimated 6000 matches similar to: "Category and subcategories in database"

2006 Mar 30
5
Heeelp - no idea what''s going wrong.
I''m working on a simple CMS. The main data type are "listings" a listing habtm (has_and_belongs_to_many) categories and subcategories. Subcategories belong_to categories. Subcategories are basically the same as categories, but they are treated differently in a few situations. The problem is, I can''t seem to write the view/controller/model code that allows me to
2006 Apr 15
8
Inheritance in Rails - I need some help
I''ve got a model, "category" and another model "subcategory." Each subcategory belongs_to a category, and a category has_many subcategories. What I need to do is set it up so that I can search Category and Subcategory with one .find call. So: Category.find(:all, <etc) will find categories and subcategories. Now, I believe this can be done by making
2006 May 12
2
Has many through join table issues
I''m trying to wrap my caffeine soaked brain around has_many :through following along at: http://rails.techno-weenie.net/tip/2005/12/23/teaching_your_blog_model_new_tricks_with_has_many_through I think my models are a little more complex than what fits this narrative. I have a directory of members, each member can belong to multiple categories. The category table references itself
2006 Apr 11
2
Finding items from two models - then merging them
I have a model, listings. Listings habtm categories and subcategories, which are seperate models. What I want to do is search categories for certain items, like so: @categories = Category.find(:all, :conditions => ["name LIKE ?", "#%{:search_string}%" and subcategories for the same: @subcategories = Subcategory.find(:all, :conditions => ["name LIKE ?",
2006 Mar 31
7
Checkboxes expand to show new options when checked?
I''m writing a simple CMS where every item ("listing") HABTM categories and subcategories (which themselves belong_to a category). What I''m trying to do now is create a UI effect for listing creation: when you go to create a listing, only the possible categories will be shown, but when you select a category a set of new categories will be displayed like so: Lions
2006 May 07
3
Stupid newbie question
Here''s a request string which has a value I want to pull out from the category array - parent_id. Parameters: {"category"=>{"name"=>"Condiments", "parent_id"=>"1"}, "commit"=>"Create"} How do I reference that subelement in the receiving script? I''ve tried params[:parent_id]
2009 Oct 15
10
AJAX - how to have multiple select form sets implemented?
hi, there :) Consider a blogging application whereby a user is trying to add a new blog. He/she has to select a category. Upon selecting a category from a drop down box, a new sub categories drop down box will be created (hence an AJAX call). Got this implemented and it''s ok. Now, let''s assume that a given blog can have multiple categories (and subcategories). For example, a
2006 Jul 23
3
Newbie: Display hierarchical Records in a view
Hi, I have two models: category and subcategory. (one to many relationship), and a controller ''home'' I''d like to display all the categories and their sub categories in the view: home\index.rhtml. I have a method in the ''home'' controller'' like this: def list_categories @categories = Category.find(:all) end This list all the categories
2006 Apr 07
13
Pop up menus - any ideas?
I''ve got a menu in which I have all of my categories as links. Each category also has subcategories. I want to set it up so when you mouse over the category the subcategories will pop up (to the right of the main list, but that''s just CSS). This is what I have so far: <% for category in @categories %> <a href="#"
2008 Dec 25
5
One question about Dynamic Select Menus
Hi all, Merry X''mas first :-) I have "Product","Category","Subcategory" 3 Model, and when new "Product", I want to use "Dynamic Select Menus" just like Ryan mentioned in http://railscasts.com/episodes/88-dynamic-select-menus I have everything down. But when I visit the js file, I got following error Showing
2008 Apr 01
1
Navigation Problems
Hi, I am having problems with my page. I have a banner and navigation bar in controller_name.rhtml in app/views/layout. Can someone please help? Thanks In the navigation bar, I have the following links: Category1 Sub-Category1 Sub-Category2 Sub-Category3 Sub-Category4 Sub-Category5 Sub-Category6 In the main content, I have the following links: Sub-Category1 edit delete
2006 May 23
7
has_and_belongs_to_many question
Hello, I am trying to make the "switchover" to programming my apps in Rails and have a question about database structure. In the past i would structure a many to many like this: categories ---------------------------------------------------- | id | name | ---------------------------------------------------- 1 Some Category 2 Another
2006 Aug 06
1
Newbie: populate 2nd dropdown list based on user''s selection in 1st dropdown list
Hi, I am creating a form that a user can post a message based on his selection on category and subcategory. (A category has many subcategories.) How do I dynamically populate subcategory dropdown list when user chooses a category from category dropdown list? Thanks in advance. -- Best regards, Ming Ma
2005 Dec 21
0
Category/subcategory CRUD
Hello there! This is my first post! ;) I''m starting on ruby on rails, so I have many doubts about it! I''m trying to create a system that uses categories/subcategories. I created a scaffold for a table that has the following fields: - id int(11) - name varchar(50) - keyname varchar(50) - visible enum(''0'',''1'') default ''0'' -
2006 Jul 02
4
:order in partial
Hi, i was looking through the docs and couldn''t find a good clean solution for ordering a partial with an :order clause. say i was iterating over categories and thier corresponding sub-categories (regular belongs to) and wanted to order the subcategories according to a certain column; <% for category in @categories %> <% render: partial => ''sublist'',
2009 Mar 11
1
Reshape question.
This hopefully is trivial. I am trying to reshape the data using the reshape package. First I read in the data: a2009 <- read.csv("Total2009.dat", header = TRUE) Then I trim it so that it only contains the columns that I have interested in: m2009 <- melt(a2009, id.var=c("DayOfYear","Category","SubCategory","Sku"),
2017 Aug 07
3
AliasAnalysis: may-alias subcategory
There are function which does have optimization opportunities but because of may-alias memory dependencies sometimes optimization is not effective. May be runtime checks kills the gains of optimization. For such cases aiming to do interprocedural function specialization optimization where in the clone function version no-alias assumption can be assumed and the original function version will hold
2006 Jul 20
3
acts_as_tree
Hello, I''m trying to create categories that have their own subcategories, and each subcategory may have its own subcategories, .. and so on. After some reading, I found out that the best way for creating such a thing is to use acts_as_tree, but I didn''t find any tutorial or article that explain this in a clear way. After a lot of work I was finally able to create categories and
2006 Mar 01
9
sortable tree?
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi *, I am new to this list, so please excuse me if this has been covered before (unfortunately the search function at http://www.ruby-forum.com/forum/10 is disabled at the moment). If yes, then a pointer to a solution would be great. I want to create a sortable tree with scriptaculous Sortable. There are several categories and subcatgories: cat_a
2006 Apr 14
1
Model extends and belongs_to another model - problem
I have a model, categories, and another model, subcategories. In my current code these have no connection except for the fact that categories has_many subcategories and a subcategory belongs_to a category. But by necessity, I need to change it so Subcategory extends Category; so that I can search both models with one command. I was hoping it would be as simple as changing Subcategory <