similar to: ActiveRecord: Many-to-Many problem

Hi all. I have has_and_belongs_to_many association between models: Section and Content. class Section < ActiveRecord::Base acts_as_tree has_and_belongs_to_many :contents belongs_to :default_content, :class_name => ''Content'', :foreign_key => ''default_content_id'', :dependent => :nullify end class Content < ActiveRecord::Base belongs_to

Hi all. I have a problem with postgresql PK columns and ActiveRecord. The error is: PGError: ERROR: null value in column "item_id" violates not-null. Ok, it''s wrong to insert NULL into PK columns, but rails doing it. How to fix? So sad..

Classes like activerecord, etc contains strange elements like ''belongs_to :something'', ''has_many :smth'' etc.. what is it? I can''t find them in ruby lang documentation.. it''s similar to ''attr_accessor'' and other costructions, how I can create my own constructions and how I must understand them? Could anyone give me some links

I it possible to install gems into custom directory (user dir)? There no any specific parameters in setup.rm I don''t wanna see unpackaged binaries into my Debian system ;) Or maybe someone can send me a link with .deb''s? Thanks in advance.

I simply trying to receive an array of objects, retrieved by ActiveRecord from table with datetime column and I have: test_list(SoapControllerApiTest): ArgumentError: 3 elements of civil date are necessary /usr/lib/ruby/1.8/date.rb:1214:in `new_with_hash'' /usr/lib/ruby/1.8/date.rb:1258:in `parse'' .... It''s a bug or I am wrong somewhere?

I have models with large TEXT, BLOB columns and I don''t wanna fetch them everytime. Is it possible to omit columns when fetching records from DB? Sorry, if it''s trivial, but I can''t find helpful information in docs.

Hi, I''m pleased to announce that the better_nested_set plugin is released. It ehances acts_as_nested_set, adding methods to move parts of the tree, like: * move_to_child_of * move_to_right_of * move_to_left_of Pass them an id or an object. Other methods added by this mixin are: * root - root item of the tree (the one that has a nil parent; should have left_column =

Hi. I need to use functions INET_ATON, INET_NTOA for IP address retrieving. Is it possible to make this transparently (without custom SQL for saving, updating and retrieving)?

Hi. Is it possible to compose GET request using ''link_to'' and get passed params like: params[:foo][:bar]?

Hi... Here''s a working Perl script that I want to be able to do in Ruby: use WWW::Mechanize; my $url = "http://host/tt?name=chris"; my $mech = WWW::Mechanize->new(); $mech->add_header( Referer => "http://chrismcmahonsblog.blogspot.com" ); $mech->add_header( Cookie => "messageid=170118; memberid=1007"); $mech->get($url) so the header

Hi all, Is there a way to invoke validations at times other than save, create and update? I know that I can do this by writing my own validation checks using errors.add_[blah], but I''d like to leverage the existing validation code. What I have is two sets of fields in a record, set A and set B. Both sets must be validated on record create. However, the trouble is that after

Hi, We want to deploy a tinc VPN, with more than 50 sites connected all arround the world. But we cannot trust all our sites with the same level, so the tinc solution (automatic full mesh) is "too automatic" for us : *any* node can add a new node which will be connected directly to others. A solution could be TLS (signing public keys), but create a PKI is another issue for us.

On 01/17/2016 02:53 PM, Dan Liew wrote: > @Brad: CC'ing you because I know you use > ``llvm_map_components_to_libnames()`` so you will likely have > something to say about it breaking. I'm using it in CastXML but that could easily be adapted to something different if needed. The larger concern is that that API is the documented way to use LLVM in an application with CMake so

Is there a way with ActiveRecord to get ahold of a collection containing each association? I want to write a rake task that will dump a model and all its related models to yaml. Thanks, Dave -------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments/20060323/abdf4305/attachment.html

Hi all. I have a big problem with date_select helper, because i guess it can''t resolve local variables to set correctly selected date. Small example: <% @client.charge_regs.each do |creg| %> <%= form_remote_tag with_progress(:url => { :action => ''foo'' }) %> <%= date_select ''creg'', ''valid_before'' %>

Hi all. Mysql allows to set multiple NULLs on columns with unique constraint, it''s normal SQL. Well, but when I try to submit some form, all unspecified values will be consodered as '''' (empty string) and (Mysql::Error: Duplicate entry occurs (((. How I can teach ActiveRecord to consider empty fields as NULL?

Hello. Is it possible to update multiple DIVs during? For example I have DIV for @flash[:notice], and one for content and I need to render both DIVs after executing action.

Hello I am using ''periodically_call_remote'' to get some stats from database and display it every N seconds, it''s works fine, but when I rewriting (by page.replace ...) content of the DIV which contains ''periodically_call_remote'' definition request are still executing... How to fix this confuse? Thanks in advance.

Hi. Is it possible to retrieve list of tables from database? I know about "show tables" (mysql) but I wanna keep application code independent from database server. I can''t find anything in rails activerecord docs... maybe someone know how? Maybe some plugins exists? Thx.

Hi. Please help me how to make cascade delete for this 3 classes: class Section < ActiveRecord:Base has_many :ad_bindings has_many: banners, :through => :ad_bindings end class AdBinding < ActiveRecord:Base belongs_to :banner end class Banner < ActiveRecord:Base end When I remove Banner, I need to remove AdBinding also, but it still stored in database. Where I wrong?