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In the following deployment of web app on ONE pc-based server,running linux,which can support the most amount of concurrent users as well as the shortest latency? 1 apache+mongrel 2 apache+mongrel_cluster 3 lighthttpd+mongrel 4 lighthttpd+mongrel_cluster 5 lighthttpd+fastcgi Thanks charlie -- Posted via http://www.ruby-forum.com/.

Anyone who has met such a kind of problem? I am adding i18n characteristics to my webapp using gettext,it works under IE,while not under firefox. here is my codes: po: po\zh_CN\myapp.po after rake makemo, i have got: locale\zh_CN\LC_MESSAGES\myapp.mo require ''gettext/rails'' class ApplicationController < ActionController::Base init_gettext "myapp" end Then I use

I use rails-engine as a plugin of the application and I want to localize the validate message from the plugin: validates_length_of :login, :within => 3..40, :on => :create, :message => N_("%{fn} is too short (min is %d characters)") It can not display the according language,where should i set it? I have tried to add require ''gettext/rails''

I have met a very strange problem on file_column usage. After I have added file_column :image to the model,everything is ok. But after I added more: file_column :image, :magick => {:versions => { :thumb => {:size => "50*50"}, :medium => {:size => "640*480>"}}} I can not even start the whole website! Here is the

How to set the default language in GetText? The default language of GetText is en,and I want to change it to another language,and also keep the ability to change to any other languages by just click the according href. Currently I use: class ApplicationController < ActionController::Base before_filter :set_charset def set_charset @headers["Content-Type"] = "text/html;

How to create such a multiple select box: the first box lists the countries, the second lists the states related to the country in the first select automaticly the third lists the cities related to the state in the second select automaticly Thanks -- Posted via http://www.ruby-forum.com/.

Former post focused on the chained select box with ajax select,but how to do that without ajax using rails? This following url can performance well: www.bigbold.com/snippets/posts/show/1916 but it can only work under firefox,while not worked in ie because it use the HTMLSelectElement.prototype,while ie does not support i am still working to modify the source of the above url,but not successful

In the posts of http://www.ruby-forum.com/topic/63984 i have got the thread question,and the enviroment is webrick. And according to Ray''s suggestion,I change the value of allow_concurrency in the base.rb to true,and then webrick can work,although it will brings lots of other error,it can at least to debug what i want. Now, I change my enviroment to Apache+scgi to a multithreaded

Suppose in controller: class ArticlesController < ApplicationController def search ... render :update do|page| page.replace_html ''panel_tab_searchresults'',:partial => ''article'', :object =>@articles end end And i want to add ajax styled Paginator to the view,i have got the method and i can work well directly used in view:

Table articles has column: author,body,etc Table users has column: login_name,email,etc articles belongs_to user users has many articles foreign_key author references users(login_name) Therefore in Article.rb: belongs_to:article_user, :class_name=>"User", :foreign_key=>"author" and what''s going on? how the rails find the reference

The field is used for tag name input,and multiple tag names can be inputed. The traditional textfield_autocomplete will not work after select the one from the pop menu,how to continue with the autocomplete if i want to go on with the field inputing? -- Posted via http://www.ruby-forum.com/.

I have the need to create such an item in the articles database: The article item has fields such as:title,body,etc,and also,it has an imgUrl field which indicates the image coresponding to the article. And now it is necessary to create the article item with all the fields filled at one time,then I have to submit the data of the fields except for the imgUrl and the data of a file upload

The following procedures: 1 Browser send a http request to controller A and wait for response 2 controller A send a http request to controller B and wait for response 3 Browser will not get the response unless controller A got response from controller B btw there exist only one pc for developing. Webrick can not support such a kind of request/response? >From the log I traced i found that the

I have met a problem on Feedtools and felt very confused about it: The feed that I generated using feedtools can not be read correctedly by feedtools,while rss from other websites can be read. Still,the code for rss generating: def userrss @user = User.find_by_id(params[:id]) @articles = @user.articles(:all,:order => ''updated_at desc'',:limit => 15)

Josh Susser tells in his blog that the opposite direction of polymorphic will get into trouble together with has_many through. This is the url: http://blog.hasmanythrough.com/articles/2006/04/03/polymorphic-through I do that according to Josh Susser''s procedure: class Tagging < ActiveRecord::Base belongs_to :tag belongs_to :taggable, :polymorphic => true belongs_to

I use feedtools to generate the feeds and read them,and now they can not work well: This is the code for feed generating: class FeedsController < ApplicationController def userrss @user = User.find_by_id(params[:id]) @articles = @user.articles(:all,:order => ''updated_at desc'') @headers["Content-Type"] = "application/xml; charset=utf-8"