ruby

views count calculation

Hi, could you give me idea how to calculate unique views of page? If i will increase counter on each page load it will be no good, otherside storing information of viewed pages in session looks like not ideal solution. ...

How to use IO.popen to write-to and read-from a child process?

I am running net share from a ruby script to delete a windows network share. If files on the share are in use, net share will ask the user if they want to go ahead with the deletion, so my script needs to inspect the output from the command, and write out Y if it detects that net share is asking it for input. In order to be able to wri...

Will these optimizations to my Ruby implementation of diff improve performance in a Rails app?

<tl;dr> In source version control diff patch generation, would it be worth it to use the optimizations listed at the very bottom of this writing (see <optimizations>) in my Ruby implementation of diff for making diff patches? </tl;dr> <introduction> I am programming something I have never done before and there might already be tools out...

ActiveRecord: issue with 'find' method when querying dates.

I'm struggling with the conditions for date querying in the 'find' method on my ActiveRecord models running over an SQLite3 database. My model is as follows: Day: failure_day: date failure_count: integer When I attempt to query Days, I get the following (pseudo code only): Query: Days.all Result: [{failure_day: 2010-04-14,...

Running time assumptions in Ruby

Ruby looks a very cool language. I've started learning it for the past two three days. One thing that appeals me in Ruby is its simplicity. Very clean code is possible. However, the internal implementations of Ruby is not exposed to the outside world. I learnt that Ruby is written in various languages depending on the flavors. The one ...

Resque Runtime Error at /workers: wrong number of arguments for 'exists' command

I'm having a runtime errror when i'm looking at the "workers" tab on resque-web (localhost). Everything else works. Edit: when this error occurs, i also have some (3 or 4) unknown workers 'not working'. I think they are responsible for the error but i don't understand how they got here. It only happens when i start the workers from God ...

handling javaScript alerts when running a selenium test?

Hi I am am running some selenium tests(ruby) on my web page and as i enter an invalid characters in to a text box i have the JavaScript throw a alert like so if(isNaN($(this).val()) || Number($(this).val().valueOf() <=0)){ alert("Please Enter A Number"); } how can i handle this alert when its made and close the pop up? i tried ...

Ruby: having callbacks on 'attr' objects

Essentially I'm wondering how to place callbacks on objects in ruby, so that when an object is changed in anyway I can automatically trigger other changes: (EDIT: I confused myself in my own example! Not a good sign… As @proxy is a URI object it has it's own methods, changing the URI object by using it's own methods doesn't call my own ...

rails howto use environment constant in models and views?

i have my constants initialized in environment.rb like this : Rails::Initializer.run do |config| ... MAX_BID = 10 end i would like to use this constant in my models and views,what is the correct syntax? if a use it a model its says NameError: uninitialized constant User::MAX_BID i understand that it is looking for the const...

What are the best practices for importing large datasets into MongoDB?

We are just giving MongoDB a test run and have set up a Rails 3 app with Mongoid. What are the best practices for inserting large datasets into MongoDB? To flesh out a scenario: Say, I have a book model and want to import several million records from a CSV file. I suppose this needs to be done in the console, so this may possibly not be...

Yield and default case || do not output default case

Hello Railers, I have a simple yield use case and for some unknown reason the default case is never shown: In my super_admin layout I have: <%= yield :body_id || 'super_admin_main' %> My controller class Superadmin::GolfsController < ApplicationController layout "super_admin" def show end end My show view With or withou...

Authlogic Facebook find existing account

Using Authlogic and Authlogic Facebook Connect. before_filter works great. Get name and facbook_uid saved in db. Only problem is that it saves a new record every time. Need help figuring out how to build some type of find_by_facebook_uid_or_create_user I have tried reading up on the API's for facebooker, but this is way over me. :(...

Testing across multiple sessions in merb using webrat

I want to test across multiple sessions using webrat in merb. Apparently, this is fairly easy to accomodate in Rails via: http://erikonrails.snowedin.net/?p=159. Following the same logic, I am trying to do something that follows that pattern for merb and webrat. Here is an attempt (which does not work because MerbAdapter does not respon...

Setting new class variables inside a module

I have a plugin I have been working on that adds publishing to ActiveRecord classes. I extend my classes with my publisher like so: class Note < ActiveRecord::Base # ... publishable :related_attributes => [:taggings] end My publisher is structured like: module Publisher def self.included(base) base.send(:extend, ClassMeth...

Ruby Fileutils.cp_r Permission Denied when :preserve => true

Hello, I am trying to implement a poor-man's backup/mirroring script and am having some trouble. I am on Windows-XP, using Ruby's FileUtils module to recursively copy files. So long as I don't set the :preserve flag to true, everything works fine. Works: FileUtils.cp_r('Source_dir', 'Dest_dir', :verbose => true) Doesn't work: Fil...

Watir question regarding table rows and loop

Hi, I would like to go through a table and look for a word, if that word appears, i would like to click on a radio button in the same row, but not the same column, then stop the loop. I have something like this at the moment but i dont know where to go on from here. @ie.div(:class, 'tableclass').table(:index, 1).each do | row | r...

is there a way using Ruby's net/http to post form data to an http proxy?

I have a basic Squid server setup and I am trying to use Ruby's Net::HTTP::Proxy class to send a POST of form data to a specified HTTP endpoint. I assumed I could do the following: Net::HTTP::Proxy(my_host, my_port).start(url.host) do |h| req = Net::HTTP::Post.new(url.path) req.form_data = { "xml" => xml } h.request(req) ...

Working with a large data object between ruby processes

I have a Ruby hash that reaches approximately 10 megabytes if written to a file using Marshal.dump. After gzip compression it is approximately 500 kilobytes. Iterating through and altering this hash is very fast in ruby (fractions of a millisecond). Even copying it is extremely fast. The problem is that I need to share the data in this...

Escaping '“' with regular double quotes using Ruby regex

I have text that has these fancy double quotes: '“' and I would like to replace them with regular double quotes using Ruby gsub and regex. Here's an example and what I have so far: sentence = 'This is a quote, “Hey guys!”' I couldn't figure out how to escape double quotes so I tried using 34.chr: sentence.gsub("“",34.chr). This get...

getting internal server error using rest-client in ruby to post to HTTP POST

Hi, this is my code and I don't know how to debug it because I just get an "internal server error": I am trying to HTTP POST to an external ASPX: def upload uri = 'https://api.postalmethods.com/2009-02-26/PostalWS.asmx' #postalmethods URI #https://api.postalmethods.com/2009-02-26/PostalWS.asmx?op=UploadFile #http://www.p...