Questions about Ruby, dynamic, reflective, general-purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features.
-2
votes
0answers
26 views
Rails noob - How to work on data stored in models
I'm a beginner to Ruby and Rails, and I have made a couple applications like a Microposts clone and a Todo-List for starters, but I'm starting work on another project.
I've got 2 models - user and ...
1
vote
3answers
155 views
How do I set up pairing email addresses?
Our team uses the Ruby gem hitch to manage pairing. You set it up with a group email address (e.g. [email protected]) and then tell it who is pairing:
$ hitch james tiffany
Hitch then sets your Git ...
1
vote
1answer
41 views
Is there a representation for mixins or traits on UML?
Is there a representation for modern programming constructs that are becoming common in modern OOP/hybrid languages like mixins/traits/categories/partial classes ?
0
votes
0answers
38 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
vote
1answer
65 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 ...
1
vote
1answer
40 views
Inherit one instance variable from the global scope
I'm using Curses to create a command line GUI with Ruby. Everything's going well, but I have hit a slight snag. I don't think Curses knowledge (esoteric to be fair) is required to answer this ...
2
votes
2answers
90 views
Ruby - when to use instance variables vs parameters between methods?
I'm writing several methods that call other methods.
To pass the information I have a couple of choices:
Pass the information as parameters
Set instance variables so that other methods can access ...
-1
votes
0answers
20 views
Run command in command prompt from Ruby application [migrated]
I have a command-line Ruby application that uses Curses to create a GUI. This GUI is absolutely mangled by Windows' command prompt if the command prompt window is too small.
The command prompt window ...
2
votes
1answer
71 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 ...
2
votes
2answers
216 views
Why does Clojure neglect the uniform access principle?
My background is Ruby, C#, JavaScript and Java. And now I'm learning Clojure. What makes me feel uncomfortable about the later is that idiomatic Clojure seems to neglect the Uniform access principle ...
3
votes
2answers
218 views
Why does assigning a variable to false return false?
Why does:
something = false
always return false?
Since it is an assignment and not a comparison, it seems it would make more sense to return the result (success/failure) of the assignment (like ...
1
vote
0answers
71 views
Should cucumber step definitions in Java be static methods or instance methods?
We are new to using cucumber with selenium to write automated test suites.
Our initial approach was to have one java class per feature file.
Now we added instance methods in each class for ...
-3
votes
1answer
239 views
am I old to learn programming teaching myself? [closed]
I was 16 when I started learning python. I didn't really teach myself, I had a tutor. I found out a computer science class was coming and they teach me Java. So, I've forgotten most of my Python ...
0
votes
0answers
45 views
What is the best procedure to setup real-time data transfers with Redis?
I have setup a RESTful API using Ruby on Rails for an iPhone application.There are some instances, however, that I would like to use Real-Time Pub/Sub data-transfers,
I have drawn up 2 potentials:
...
2
votes
1answer
137 views
What do goroutines, Ruby Fibers, etc. look like to the OS/Kernel?
In process concurrency and thread concurrency it's quite obvious how the kernel sees these as they map directly to real things that the kernel manages. When it comes to Golang goroutines and Ruby ...
