Tagged Questions

Ruby is an open-source dynamic object-oriented interpreted language created by Yukihiro Matsumoto (Matz) in 1993.

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10 views

Rails: How to make link_to use another attribute instead of id

The following line will create a link to things/:id link_to "Thing", @thing But I need to create a link to things/:some_other_id. My first thought was that changing the route for /things/:id to ...
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2answers
15 views

How do I create and return a Ruby class from a lambda?

I'm trying to create a lambda that will return a stub class. This is what I've got: engine_stub = lambda { |valid| Class.new { def valid?(address) valid end } } The lambda should ...
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1answer
7 views

Ruby: Check which version of code is running - interaction with rake install

I have multiple versions of the same ruby code on my machine, e.g. a development one, a rake installed version. I want to be able to insert some code into the gem to print out which version is ...
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1answer
17 views

Merging an array of array with an other array

I'm currently discovering ruby and its array manipulation. What I want to do is pretty simple, but I'm stuck doing it. Here's what I've got : first = ...
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0answers
7 views

How do I get Rake TestTask to execute a Ruby script before testing?

I have a testing "bootstrap" Ruby script that handles test setup (requires libraries, prepares test variables etc.) and I want the Rake TestTask to run this file before it runs the tests. Is this ...
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1answer
32 views

Simple search function for a list of products - Rails 3

I'm currently self-studing Ruby on Rails 3 out of wanting to code my own apps and designs (total noob). I'm writing up code for a simple product list and I want to integrate a simple search function ...
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0answers
29 views

ruby method caching performance

I'm using the cache_method gem, and while profiling some critical process in my app I found the following result 6.11 0.01 0.00 6.10 413/413 ...
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2answers
39 views

how to insert hash into mysql using ruby

Let's say I have a hash: {"MemberId"=>"MID-0000001", "MemberName"=>"Bruce", "OrderNumber"=>"ON-000000001"} How can I insert this hash into orders tables of the db database in mysql? ...
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2answers
31 views

How to encode the text into string in rails?

unit = "Nm³/hr Air" # => "Nm³/hr Air" unit.html_safe? # => false I want the result of unit.html_safe? as true for to display in the view. Thanks in advance
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0answers
32 views

Need help getting rails-settings gem to work

https://github.com/ledermann/rails-settings I followed the installation instructions, did the migration, restarted server, but here's what I see when I try to get/set in IRB: 1.9.3p374 :126 > ...
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0answers
30 views

Referencing class from within module required by rake task

I have a rake task in my Rails /lib directory. It requires a module with: lib/tasks/raketask.rb namespace :mynamespace do require "#{Rails.root}/app/concerns/kpis" end app/concerns/kpis.rb ...
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votes
1answer
53 views

Retrieve a file in Ruby

So what I am trying to do is pass a file name into a method and and check if the file is closed. What I am struggling to do is getting a file object from the file name without actually opening the ...
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0answers
13 views

ActiveRecord::RecordNotFound - Couldn't find Location with id=favicon.ico

I'm running a Sinatra app locally and it works fine but I can't deploy the app to heroku or EC2. I get the following in my log (locally) about the favicon.ico. I've added this file to my app but it ...
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0answers
7 views

Nasty SSL certificate error occurs in Rails controller, but not in console

This error just keeps popping up at different times. It is absolutely maddening, and productivity-sapping. This is rvm ruby-1.9.3-p392 and Rails 3.2.13, and Pow. In the console, this command works: ...
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votes
1answer
15 views

Authlogic and Invalid Sessions

Background: I've inherited an older Rails application which I'm attempting to setup a local copy and have run into a problem with the Authlogic gem used for authentication. The setup is as follows: ...

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