similar to: always show 2 decimal places

Hi, I am using the autocomplete for text field with ''Scriptaculous'' and it works perfectly fine in "new" action. All the examples I see are only for the "new" action. But doesn''t default to the selected value/text in "edit/show" action? Is this possible or should I write custom code for "edit/show" action? Thanks, Hari --

Hi, I am using the ''acts_as_taggable'' gem and have issues when I try to ''tag'' an entity with a ''tagname'' already defined. i.e 1) book[1].tag(''science'',''paperback'') --> works fine 2) book[2].tag(''roman'',''physics'',''paperback'') --> creates an

Hi, Where to put the execute statements in migration scripts? e.g, I would like to create a table and add a foreign_key reference. def self.up ?? execute "alter table ...." create_table :my_table do |t| t.column :user, :string end ?? execute "alter table ...." end Should the execute statement be above the table creation or below the table creation? Logically I

hello all i want to get the substring of a string i found a source that do it...but don''t work in my machine example "the source of ruby".chars[0..5] that must return "the so" -- Posted via http://www.ruby-forum.com/.

Hi, How can I debug the models interactively? When I load the console using "ruby script/console", the changes in the models doesn''t get reflected. I have exit the console and reload the console everytime I make some changes. Is there a better way? Thanks, Hari -- Posted via http://www.ruby-forum.com/.

Is there a way I can read the user agent or something similar to determine whether the person is using IE, Mozilla/Netscape, Opera, Safari, etc? I want to dynamically output the CSS to the browser, but I''d like to change certain things (in this case the widths of some divs since IE adds borders and padding size to the total size of a div unlike firefox). Thanks, - Brent

I want to overload the = operator for one of the attributes in a model to run a filter on the input. However I can''t do this: def attribute=(data) self.attribute = filter(data) end because that creates an infinite recursive loop. How do I get around this? -- Posted via http://www.ruby-forum.com/.

Hi, When I start the "autotest" it gives me the following error...not sure what HOME path I have to set...all Ruby/Rails related components are in path! --- C:\>autotest -rails C:/Tools/InstantRails/ruby/lib/ruby/gems/1.8/gems/ZenTest-3.3.0/lib/autotest.rb:285:in `expand_path'': couldn''t find HOME environment -- expanding `~/.autotest'' (ArgumentError) ---

I''m trying to update a table row (i.e. replace a <tr></tr>) using AJAX/RJS but of course this cannot be done in IE (works fine in Firefox). I have googled but have not found any solutions, only a lot of discussion. Does anyone have a solution to this problem? Cheers, Nicholas

is there a way to use > rake freeze_edge over a http proxy (in windows) ?

Hi, How can I make sure the redirect should act as a "POST" method and not as "GET"? Thanks, Hari -- View this message in context: http://www.nabble.com/redirect-as-post--tf1884434.html#a5151391 Sent from the RubyOnRails Users forum at Nabble.com.

Hi, I have built a simple RoR application and would like to show it to some friends. I would like to assign a dyndns URI like "myapp.dyndns.org" address to point to the application. As the WEBrick/Mongrel servers are running in "localhost (so loopback connections)" and I couldn''t bind them to the external server name or couldn''t bind them to my IP

Hi, What is the best way to parse HTML? Or is there a simple way to convert a table to an array? I tried beautiful_soup and the built-in htmltools, but have trouble getting them to run. Any pointers? Thanks, Hari -- Posted via http://www.ruby-forum.com/.

Hi: I?have installed R?first time in Linux/Fedora. I used the yum command (yum install R). The installation was successful and went without any errors. I could also run the following R script without any errors. But, the generated scatter plot only has three blue dots added through the first plot(...) statement. It does not show the main title, x-/y-axes, x-/y-labels, and also the green dots

Hi, currently I do some work with polymorphic associations in egde rails class Order < ActiveRecord::Base belongs_to :payment, :polymorphic => true end class CreditCardPayment < Payment end class PayPalPayment < Payment end class Payment < ActiveRecord::Base has_one :order, :as => :payment # common stuff in here end I want to use [Payment] for common functionality

Hi, How do I associate two different tables which have a lookup id (table) as common. I tried the has_many :table2, :through => look_up_table in my table1 model. Any hints? Thanks, Hari -- Posted via http://www.ruby-forum.com/.

Hi there, I have a database with phonenumbers, and I want to make a function that runs a command for each of these numbers, with the number as an argument Something like this in Perl: system("/bin/command $number"); mysql> select * from numbers where list = "one" +----+----------+----------+---------------------+-----------+ | id | number | name | email

Hi I have the following values pActualCost = 33.00 pPaymentCost = 29.99 So this calculation should leave me with 0.01 pPaymentDifference = pActualCost - pPaymentCost however when doing this in rails, it returns 0.00999999999999801 has anyone got any suggestions to whats going wrong and how I can correct this Thanks Scott -- Posted via http://www.ruby-forum.com/.

Dear R-users: Hi, I read here ( http://stackoverflow.com/questions/2287616/controlling-digits-in-r) that R is only accurate up to the 15th decimal place, despite the fact that if you choose to display more decimal places, it will. I wonder if R uses the information beyond the 15th decimal place in actual computation. Thanks! Best, Xiao [[alternative HTML version deleted]]

When estimating values ??each determined similarly, and in which get to them by algebraic operations in some cases, are rounded with 0 decimal places and in other cases with 2 or 3 decimal places. What is happening? Thank you. -- View this message in context: http://r.789695.n4.nabble.com/Number-of-decimal-places-tp4647549.html Sent from the R help mailing list archive at Nabble.com.