CRAFTINGRUBY.COM
Crafting RubyA Ruby on Rails blog covering RoR features and solutions to uncommon problems.
http://www.craftingruby.com/
A Ruby on Rails blog covering RoR features and solutions to uncommon problems.
http://www.craftingruby.com/
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Jeroen Weeink
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Jeroen Weeink
Gandi, 63-●●●●●●●●●●rd Massena
(Gan●●●●aris , (Gandi) 75013
(Gandi) FR
View this contact
Jeroen Weeink
Gandi, 63-●●●●●●●●●●rd Massena
(Gan●●●●aris , (Gandi) 75013
(Gandi) FR
View this contact
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Crafting Ruby | craftingruby.com Reviews
https://craftingruby.com
A Ruby on Rails blog covering RoR features and solutions to uncommon problems.
craftingruby.com
Using Enumerable as testing abstraction
http://craftingruby.com/posts/2015/07/07/using-enumerable-as-abstraction-when-testing.html
Using Enumerable as testing abstraction. Let’s say you want to import all Belgian beers from a beer export CSV and then save them to your database. After some quick hacking, something like this emerges:. Class BelgianBeerImport def initialize(io) @io = io end def import! CSVparse(io.read, headers: true) do row next unless row[:country] = 'Belgium' Beer.create from import! Name: row[:name], brewery name: row[:brewery], country name: row[:country]) end end end. Class, but also the. Itself. In fact, the...
Prevent creating records on ActiveRecord null relations
http://craftingruby.com/posts/2014/09/22/prevent-creating-records-on-activerecord-null-relations.html
Prevent creating records on ActiveRecord null relations. In some cases, you want an object that behaves like an ActiveRecord relation but does not contain any objects. In Rails 4, you can call. On a relation and it returns an empty relation:. Current user.comments.none # = # ActiveRecord: AssociationRelation []. This is an implementation of the null object design pattern. It behaves like a relation, but it never queries the database. So we need to simulate this on our. As it turns out, our null relation ...
Delegating to Query Objects through ActiveRecord scopes
http://craftingruby.com/posts/2015/06/29/query-objects-through-scopes.html
Delegating to Query Objects through ActiveRecord scopes. Query objects are a fairly well known concept in Rails these days. They’re useful to extract complex SQL queries into their own classes, which would otherwise clutter ActiveRecord models. What if you turned a complex scope which is already used all over your application into a query object? Do you have to refactor all of these occurences? Class Video ActiveRecord: Base scope :featured and popular, - { where(featured: true).where('views count? Def s...
Don't use before_action to load data
http://craftingruby.com/posts/2015/05/31/dont-use-before-action-to-load-data.html
Don't use before action to load data. Controller filters are a common sight in Ruby on Rails controllers. The. Specifically can be used to halt the request cycle. This is useful to prevent unauthorized access to controller actions, but it’s also very often used to load database records. Take a look at this controller:. Class TreesController before action :authenticate user! Have access to the. Filters are coupled to. As well, because. In other words, clarity has been sacrificed for the sake of DRY-ness&#...
Say no to chained scopes!
http://craftingruby.com/posts/2015/06/24/say-no-to_chained-scopes.html
Say no to chained scopes! In a Ruby on Rails application, it’s not uncommon to encounter code which reaches deep into the internals and database schema of a model. Class Person ActiveRecord: Base enum gender: { male: 1, female: 2 } end class PeopleController ApplicationController def index @people = Person.where(gender: Person.genders[:male]) .where('age = 18') .where(right handed: false) respond to(:html) end end. This code has a few problems:. The testability has been slightly improved, but there’s sti...
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fivedigit (Jeroen Weeink) · GitHub
https://github.com/fivedigit
Oct 8, 2012. A cookie based approach to implementing guest users inside a Rails application. Crafting Ruby dev blog. A Ruby terminal progress bar. Profiler for your development and production Ruby rack apps. 7 contributions in the last year. Summary of pull requests, issues opened, and commits. Learn how we count contributions. Fivedigit has no activity during this period. You can't perform that action at this time. You signed in with another tab or window. Reload. To refresh your session.
User fivedigit - Stack Overflow
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To customize your list. More stack exchange communities. Tour Start here for a quick overview of the site. Help Center Detailed answers to any questions you might have. Meta Discuss the workings and policies of this site. About Us Learn more about Stack Overflow the company. Business Learn more about hiring developers or posting ads with us. Software Engineer at Moneybird. Rubyist and Ruby on Rails / Full Stack Web Developer from the Netherlands. Member for 4 years, 11 months. Last seen 10 hours ago.
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craftingresilience.com
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Crafting Ruby
Flag arguments are a code smell. A flag argument is a boolean which causes the method to behave differently. It’s an indicator that the code is exercising multiple scenarios based on an external factor. A piece of code on a higher level decides with path to take through a lower level method. I'm not testing those stupid views! Cleaner RSpec examples and failure messages. Rails Anti-Pattern: Fat Decorator. Don't index the kitchen sink! Using Enumerable as testing abstraction. Query objects are a fairly we...
Craftings
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