How to escape string in Ruby to protect against SQL Injection? (No Rails)
I just wanted to know how can we escape an SQL query (string) in Ruby to prevent SQL Injection. please note I am not using Rails framework. Thanks. ...
ruby
Why did Ruby on Rails deprecate the scaffold method
I am learning Ruby on Rails so I'm sure I'll find this out sooner or later. Why would the scaffold method be deprecated in version 2 of Rails? ...
Is it slow to use a redirect because it causes an additional request?
In a Rails app sometimes you use a redirect in an action... redirect_to :controller => 'sessions', :action => 'new' I wonder if that's bad though because it sends back a 302 status to the browser and then the browser makes a whole new request. It's an additional back-and-forth. Would it be better to just render a template? render :t...
Webistrano on Windows
Has anyone had any success in getting Webistrano running on Windows. Everywhere I have read says it wont run on Windows, but isnt that kinda the point of using Ruby? ...
Thread problem with Druby and ActiveRecord
Hi All, I have a rails app and a separate druby process. This process gives me some methods, and at the first line of each druby's method there is a call to ActiveRecord::Base.establish_connection, where the db_name depends on a param set by the rails application. Sometimes the process is getting the wrong database name and I think it ...
Recommendations for sites / articles / books on developing web sites in Ruby without using a framework such as Rails / Merb
Im struggling to find good material about developing web applications in Ruby without using a framework such as Rails or Merb in the usual places (I've already spent a while on Google, Safari books online and stackoverflow looking!). I have nothing against the frameworks at all; just my intended architecture is a little different and so ...
How to use params with slashes with Sinatra ?
Playing with sinatra, I'm stuck on a little problem : when I use params with slashes, it confuses the router engine. So is there a nice way to handle this kind of param without having to encode it ? The code looks like get 'add/:url' do #.... end And I intend to get something like /add/http://sctackoverflow.com/ working ...
Display math powers using Ruby PDF::Writer or Ruport?
Is there an easy way to display powers in PDF generated using the Ruby PDF::Writer library? I realize that I can just print the exponent a bit higher than the base number, however I thought maybe there is some easier way to do this... such as a markup tag of some sort. Basically, I want to cleanly display x**-2. Thanks in advance! ...
Why is this controller test on a create action failing?
I'm getting a failing test here that I'm having trouble understanding. I'm using Test::Unit with Shoulda enhancement. Action in users_controller.rb I'm trying to test... def create unless params[:user][:email] =~ / specific regex needed for this app /i # ... render :template => 'sessions/new' end end Test... context 'on...
Get Method object for a method in Ruby
I'm trying to extend the Method class along the lines of: irb(main):008:0> class A irb(main):009:1> def a irb(main):010:2> puts "blah" irb(main):011:2> end irb(main):012:1> end => nil irb(main):013:0> class Method irb(main):014:1> def aa irb(main):015:2> p "hi" irb(main):016:2> end irb(main):017:1> end => nil irb(main):018:0> f = A.new ...
How can I set the Rails environment for my somewhat stand alone Ruby script?
I have a Ruby script in my Rails app that I use to load some data from Twitter. In the future I will make it an automatic background process, but for now I run it manually like: ruby /lib/twitter/twitterLoad.rb In order to use the Rails model classes and such, I have the following as the top line of the script: require "#{File.dirn...
How do you specify POST params in a Rails test?
Working with Test::Unit and Shoulda. Trying to test Users.create. My understanding is that Rails forms send params for an object like this: user[email] Which turns into hash in your action, right? params[:user][:email] OK, so in my test I've tried... setup { post :create, :post => { 'user[email]' => 'invalid@abc' } } and setup ...
Non-working Rails link in Firefox
I have the following Rails link generating code (I have removed potentially 'industry secret' stuff, sorry for the odd names, but the length of variable names and values match) <%= link_to_remote "FOUR", :method => "get", :url => {:action => "testing01_four_log_info", :fourth_name => "LA1", :testing01_num => "123"} %> This code gener...
Using Msql views in a Ruby on Rails app to improve performances
I'm having some performances issues in a rails project (running on rails 2.0.5), for example in my user administration pages. my user model has many relations (details, addresses, roles...) who get loaded with eager loading. That creates really huge SQL queries, for some cases, it takes almost a minute to load 30 users. On the other han...
Best Way to Modify/Format Database Data in the Controller?
Let's say that in the controller I get an array of objects from the database this way: @statuses = TwitterStatus.find(:all, :order => "tweet_id DESC", :include => :twitter_user) Also I have the following loop in the view: <% unless @statuses.nil? -%> <ol> <% for status in @statuses %> <li><%= h(status.text -%>/li> <% end -%> </ol...
Reimplement ASP.NET Membership and User Password Hashing in Ruby
I have a large database of users (~200,000) that I'm transferring from a ASP.NET application to a Ruby on Rails application. I don't really want to ask every user to reset their password and so I'm trying to re-implement the C# password hashing function in Ruby. The old function is this: public string EncodePassword(string pass, strin...
Why do I get an error while compiling IronRuby in Ruby 1.8.7?
I can't seem to compile ironruby in ruby 1.8.7. I always get this error: no such file to load -- windows/path Does this mean that ironruby is not compatible with ruby 1.8.7? ...
What's the correct way to complete a Rails create action?
I have a User.create action that provisionally registers a new user and sends an email with a generated password. What is the most Rails-like way to complete that action? I want to do everything exactly right from now on. No more nonsense. This time I'm serious. I'm thinking these are the options... Create a view called login_email_se...
Rails: Modifying a Model Generated by Scaffolding
How do you modify a model you've generated using modeling? For example, the model myModel originally had columns a, b and c, but I now want to add column d. ...
Easiest Way to Print Non-Strings in Ruby
I'm constantly doing this puts “The temperature is “ + String(temperature) + “.” in my debugging code, and another option is to use interpolation puts “The temperature is #{temperature}.” is there any less cumbersome way to do this? Edit: This is just for debugging, if that matters. ...