Ruby on Rails is an open-source web development framework optimized for programmer happiness and maintaining sustainable productivity. Many things are defined by convention, freeing you from having to re-invent things to stay productive.

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47 views

Should I use expect or should when writing RSpec specs?

Please can someone explain to me how I should go about deciding whether to use expect or should syntax for my rspec examples. From my understanding we should no longer be using the 'should' syntax. ...
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0answers
37 views

What to change in Ruby on Rails? [closed]

In my last interview I was asked what would I change on Ruby on Rails to make it better. I use Ruby on Rails daily and I was not able to give an answer. So, my question is: 'What could be changed in ...
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1answer
71 views

Architecture to handle service concurrency on resources exposed via REST API

REST API frameworks like Python Eve handle concurrency control via an entity tag. This ensures that several clients which loaded the same resource will not overwrite the changes of each other, because ...
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1answer
42 views

Calculate which quantity packages to use based on quantity of bookings

In my app, many appointments can be booked for activities. Each activity has many price packages with a price and a quantity. On showing the cart, I need to work out what combination of packages ...
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1answer
24 views

Ruby on Rails application interfacing with a Datamax barcode printer [closed]

I am trying to find a standalone way to interface with a Datamax M-Class Mark2 label printer through a Ruby on Rails application. I currently have a solution that is working, which i use javascript to ...
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0answers
32 views

Ruby on Rails - Belongs_to and Active Admin not creating foreign ID

I have the following setup: class Category < ActiveRecord::Base has_many :products end class Product < ActiveRecord::Base belongs_to :category has_attached_file :photo, ...
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0answers
53 views

How is Devise's secret_key used? [migrated]

I've been using Devise for a while now and have wondered how the secret key is used. I looked through the source for references to secret_key, but it wasn't clear to me exactly what we do with it. It ...
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0answers
17 views

An efficient + extendable way to store/reference a normalized set of “causations”?

I'm looking for a good way to define and store references to a normalized set of "causations". I have a well-defined set of reasons (short, descriptive strings) why certain objects are created and ...
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0answers
48 views

Splitting up a Rails/Ruby app onto multiple servers

We recently moved a large application to two machines, both running the same codebase. I. Machine A Web server for public facing application Receives web hook call backs from our ESP Handles a ...
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1answer
23 views

A container only assets in Rails

I have multiple segmented Rails apps that are connected to each other: App A App B App C While I try to keep the design, such as header and footer, to look similar, but each app has its own ...
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1answer
129 views

How can I estimate hosting costs on Heroku into the hundreds of thousands of users?

Heroku's pricing page is clear when looking at what I'm paying and what I'm getting, but it is not helpful for predicting future costs of an app. If I have an app that is still being developed, how ...
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1answer
59 views

Refactoring a Single Rails Model with large methods & long join queries trying to do everything

I have a working Ruby on Rails Model that I suspect is inefficient, hard to maintain, and full of unnecessary SQL join queries. I want to optimize and refactor this Model (Quiz.rb) to comply with ...
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1answer
65 views

Rails Google Cloud Messaging with heroku

I'm looking at using GCM to send notifications from my rails app to an Android app. The getting started guide says: In the resulting configuration dialog, supply your server's IP address. I'm using ...
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1answer
67 views

Web app that runs other applications? [closed]

I am trying to write a web application that interacts with a service that would run scripts at the system level. Something like a website that you can schedule a job, the service will run the job with ...
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0answers
54 views

Do Rails Join Models Get Controllers?

I have a rails app where my users can buddy up with other users. Since that relationship can have a status (approved/rejected/pending), I decided to go with a join model (UserRelationship) so now I ...
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2answers
48 views

Embedded Model Designing — top down or bottom up? [closed]

I am trying to learn RoR and develop a webapp. I have a few models I have thought of for this app, and they are fairly embedded. For example (please excuse my lack of RoR syntax): Model: textbook ...
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1answer
53 views

How to Structure a Trinary state in DB and Application

How should I structure, in the DB especially, but also in the application, a trinary state? For instance, I have user feedback records which need to be reviewed before they are presented to the ...
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1answer
66 views

Where does Rails get it's datetime for creating records?

I have a rails app with a data model called 'jobs' and i'm faced with a critical design choice crossroads. I don't know enough about Rails and it's inner workings to be able to say for sure what I ...
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0answers
65 views

Serialized values or separate table, which is more efficient?

I have a Rails model email_condition_string with a word column in it. Now I have another model called request_creation_email_config with the following columns admin_filter_group:references ...
2
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2answers
146 views

Is is OK to use a non-primary key as the id in a rails resource?

I am getting ready to set up a resource for some new api calls to my rails application. I am planning on calling the resource devices ie resources :devices This is going to represent android ...
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0answers
76 views

Ruby on Rails Development: updating model attribute using f.association collection

Im currently working on a rails program. It contains many different databases but to keep things simple I have a people, student, and faculty table. A person can be a student or faculty member and ...
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1answer
131 views

Rails engine testing - use dummy app or real parent app?

I'm using Rails engines to break up a big app into smaller pieces. The parent app mostly handles users and authentication. In one of my engine tests I want to log in a user before each test. How ...
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0answers
45 views

One huge rails webapp or many small webapps?

We have a huge system to develop, it has 3 main functions: API provider Worker to automated data retrieval Management of data built in workers They all share the same DB, but for scalability ...
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0answers
59 views

Ruby on Rails - branding

I am working on a website, which is to have multiple brands. The core functionality for all brands will be the same, however there will be a number of differences between them. Those differences may ...
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1answer
60 views

Change of session/context in rails application

I'm currently developing an app in Ruby on Rails with a social network side, and have several different models including users, groups and pages. I would like to allow users to be group/page admins, ...
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2answers
225 views

Need advice on design in Ruby On Rails

For personal educational purposes I am making a site for a conference. One of the object that exist in a conference is a session, which has different states and in each state it has slightly different ...
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0answers
55 views

Extracting models into a external dependency

About 9 months ago, I asked a question about creating a service layer for my application. Unfortunately, in the ensuing time, no progress in that area was made, primarily due to time constraints. As ...
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1answer
196 views

Create a loop that visits every link on a site [closed]

I want to create an HTML scraper in Ruby on Rails and I want to implement a progress bar and an ability for it to pick up where it left off if it's interrupted while scraping. I think the best way to ...
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3answers
242 views

Why does Rails do config in code?

According to the Pragmatic Programmers, code should be for abstractions, while configuration and details should live in metadata. Rails seems to diverge dramatically from this pattern. Much config is ...
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1answer
200 views

Should an object update itself?

I'm working on Ruby on Rails. There is a feature in our app where doctors can "claim" cases for themselves. I can either have the doctor perform the action and update the plate, or I can have the ...
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1answer
2k views

Advantages and disadvantages of PHP/Ruby [closed]

I've been a front-end developer for about two years now, and I'm attempting to break into the server side of things. Ideally I'd like to work for a startup social network on the back-end side so I ...
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0answers
69 views

Rails: get data about a model collection, with new model or method?

have a model Product with attributes sales, views and I need to get sales/views count of all products, in this case is more correct to implement this things as method and have a call like ...
3
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1answer
833 views

Ruby on Rails database using static lookup tables or constant strings

In some ruby on rails projects, I have seen instances where strings are used instead of a foreign key reference to a lookup table. I usually code in C#/SQL Server and use lookup tables, but am not ...
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1answer
181 views

Dealing with 'dirty' Ruby on Rails client

I had to leave a startup about a month ago because of lack of funding. Basically, this client wanted an application to allow contractors to create, update, read, and delete yardsigns. Straight forward ...
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1answer
221 views

Is api user authentication with oauth possible for both email/pw and 3rd party services

I have an api only application (rails-api) and I'm looking to authorize a user on both email/password or 3rd party services like facebook or twitter etc, so I know I will have to use Oauth at some ...
2
votes
1answer
123 views

How to create html pages which don't change very much and not very often?

I have a Rails server that connects to a json API on another server to get data to build the pages dynamically. These pages, however, don't change very much and not very often. I was thinking I could ...
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2answers
391 views

What is the best way to build a static page web site from a JSON API?

I have a JSON API that includes some discusssions. I want to build a static html site on another server, pages that are built from data on that API. I am more comfortable using Rails than Node. The ...
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1answer
80 views

Should I use the new method/action to retrieve records? (Rails)

I have an admin controller that is just used for its index action which renders a view with the most recent updates to certain resources: class AdminController < ApplicationController ...
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2answers
228 views

help me understand Rails and attributes as class methods

This is from the Hartl Rails tutorial. We are automatically logging in a user in the process of creating that user with a callback to #create_remember_token. It works great but there are some things, ...
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1answer
329 views

Multiple roles in Ruby On Rails

I've been asked to put together an application in RoR which has multiple roles for users. The idea is that a user will have a role, Admin, Moderator, User ect... and they will also have a department ...
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1answer
252 views

model association or controller?

I'm trying to create a rails app that allows users to submit information about their pets. I've come to a point where my knowledge is limited and I don't know enough about what/how this could be done ...
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1answer
138 views

Refactoring this code that produces a reverse-lookup hash from another hash

This code is based on the idea of a Form Object http://blog.codeclimate.com/blog/2012/10/17/7-ways-to-decompose-fat-activerecord-models/ (see #3 if unfamiliar with the concept). My actual code in ...
1
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1answer
203 views

How to build an API on top of an existing Rails app with NodeJs and what architecture to use? [closed]

The explanation I was recently hired by a company that has an old RoR 2.3 application with more than 100k users, a strong SEO strategy with more than 170k indexed urls, native android and ios ...
8
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4answers
691 views

Rails: Law of Demeter Confusion

I am reading a book called Rails AntiPatterns and they talk about using delegation to to avoid breaking the Law of Demeter. Here is their prime example: They believe that calling something like this ...
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0answers
19 views

Rails: The Law of Demeter [duplicate]

I am reading a book called Rails AntiPatterns and they talk about using delegation to to avoid breaking the Law of Demeter. Here is their prime example: They believe that calling something like this ...
62
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16answers
6k views

How much freedom should a programmer have in choosing a language and framework?

I started working at a company that is primarily C# oriented. We have a few people who like Java and JRuby, but a majority of programmers here like C#. I was hired because I have a lot of experience ...
2
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1answer
320 views

Rails: Useful example of delegate and Law of Demeter

I am currently learning about delegate and the Law of Demeter. I understand the Law of Demeter, but I can't seem to find a good example of where using delegate to avoid breaking the law would actually ...
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0answers
160 views

Creating a new database with Active Record

Please tell me if this is mad, but basically, I've created a custom rake task, and before it does its thing, it gives the user a warning message: Warning, please back up your database before ...
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2answers
691 views

Rails/Node.js interaction

I and my co-worker are developing a web application with rails and node.js and we can't reach a consensus regarding a particular architectural decision. Our setup is basically a rails server working ...
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1answer
137 views

How should developers go about managing complex plural words with ActiveRecord?

I'm playing with pluralize at the command line, and it's beginning to scare me. Multiples of leaf is leafs (not leaves) Multiples of cactus is cactus- not cacti, or even cactuses. Radius becomes ...