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Routes |  - RailsZilla - Ruby on Rails tutorials, tips and tricks - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/tag/routes

Generate polymorphic URL in Rails. In this example, I want to explain a best practice for Polymorphic URLs in Rails. I will show really bad things here as an illustrative example. Don’t worry, we will refactor the code later ;-) Let us assume that we have three models, Post, News and Comment. In most cases, a post has many comments […]. My book review for Galileo Verlag. Read my review from the Ruby on Rails book of Galileo Verlag. You can read it at the. Click here for the review.

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coffee break - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/category/coffee-break

Posted in coffee break. New word of the day: My code did not fail! I just found another method that will not solve this problem …. Tags: word of the day. Project Euler – problem 3 in Ruby. Posted in coffee break. This is part three of our mathematical soultions-series in Project Euler: The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143? Project Euler – problem 2 in Ruby. Posted in coffee break. Project Euler – mathematical problem 1. Because the wo...

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console - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/category/console

Git push heroku master is asking for authentication. In this post I show you how to fix the authentication problem with heroku. If you want to deploy your branch to heroku using this command 1$ git push heroku master and git want an authentication like this 12Username for ‘https:/ git.heroku.com’: Password for ‘https:/ git.heroku.com’: then the repository is not pushed, because heroku will not allow […]. Invalid multibyte char (US-ASCII) Ruby. Postgresql and TCP/IP connections on port 5432. First I want ...

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ruby - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/tag/ruby-2

Security issues for CQ/AEM Instances. Because I was checking some security issues in my job, I was concerned with exploits for the Adobe AEM system. We can find a lot of old Adobe AEM Versions out there. To find Websites using Adobe AEM, just go to google and enter: 1inurl:content/geometrixx By doing this, we will get a lot of results […]. Ruby on Rails Database Indexes. Handy hint for better database performance in Ruby on Rails: Always add DB index in your Migration! ActiveAdmin with http authentication.

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speed - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/tag/speed

Ruby on Rails Database Indexes. Handy hint for better database performance in Ruby on Rails: Always add DB index in your Migration! By default, rails does not add indexes automatically for foreign key, you should add indexes by yourself. If you want to speed up your performance, I suggest to add an index for – foreign key – columns that […]. Ruby on Rails performance issues. Posted in coffee break. As you can read in the article: “Over time, we had […]. My book review for Galileo Verlag.

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Ruby on Rails - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/category/rails

Rails scaffold data types. If you work with a scaffold it can happen to anybody to forget the datatypes. Here is a cheat sheet for all the Rails 4 (ActiveRecord migration) datatypes at a glance: 12345678910111213 :binary :boolean :date :datetime :decimal :float :integer :primary key […]. Ruby on Rails Database Indexes. Handy hint for better database performance in Ruby on Rails: Always add DB index in your Migration! Generate polymorphic URL in Rails. ActiveAdmin with http authentication. There are sever...

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Project Euler |  - RailsZilla - Ruby on Rails tutorials, tips and tricks - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/tag/project-euler

Projekt Euler – probem 4 in Ruby. Let’s go on with part four of our mathematical soultions-series in Project Euler: Problem: The Largest palindrome product A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 99. Find the largest palindrome made from the product of two 3-digit numbers. […]. Prime in Ruby – alternative solution. Project Euler – problem 3 in Ruby. Posted in coffee break. Project Euler – problem 2 in Ruby. I recently...

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Projekt Euler – probem 4 in Ruby |  - RailsZilla - Ruby on Rails tutorials, tips and tricks - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/projekt-euler-probem-4-ruby/ruby

Projekt Euler – probem 4 in Ruby. Let’s go on with part four of our mathematical soultions-series in Project Euler:. Problem: The Largest palindrome product. A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 99. Find the largest palindrome made from the product of two 3-digit numbers. We first need a palindrome method. Let’s define it like this:. Define look as the length of y divided by 2. Look = y. length. Print the result out.

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database - RailsZilla – Ruby on Rails tutorials, tips and tricks

http://www.railszilla.com/tag/database

Ruby on Rails Database Indexes. Handy hint for better database performance in Ruby on Rails: Always add DB index in your Migration! By default, rails does not add indexes automatically for foreign key, you should add indexes by yourself. If you want to speed up your performance, I suggest to add an index for – foreign key – columns that […]. Postgresql and TCP/IP connections on port 5432. Posted in coffee break. Rails seed data example. Posted in coffee break. My book review for Galileo Verlag. Social / ...