Peter Alfvin

Peter Alfvin has asked 25 questions and find answers to 93 problems.

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About

Software developer and lean/agile change agent. Currently focused on Ruby/Rails and supporting technologies.

Retired from Xerox Corporation after 32 years in software development and quality improvement, primarily in management. Now working as a software engineer at Pivotal Labs in Santa Monica, CA.

B.S and M.S. in Computer Science from USC and UCLA, respectively.

Email address: [email protected]

Other accounts:

Peter Alfvin on LinkedIn
palfvin on github

Peter Alfvin questions

How to find the "effective" end of a Range?
Using class instance variable for mutex in Ruby
Enabling `let` to assign a formal parameter in case of block passed to RSpec shared example
Updating location in simulator during executing of UI Test
Achieving the effect of a sealed class in Swift
Setting up to invoke form helpers from Rails console
In Ruby, is there no way to dynamically define a local variable in the current context? [duplicate]
Where is Ruby's string literal juxtaposition feature officially documented?
Where is Ruby's ERB format "officially" defined?
Why do I get "undefined method or variable 'example'" in RSpec 3.0?

Peter Alfvin answers

What is the correct way to specify the Ruby version in a Rails app, using RVM, that will be deployed on Heroku?
Comparing ranges in Ruby
How to mock CSV foreach method in Rspec
rails .order method not working
Pretty-print arrays on failure
Rspec testing API versioning
Regex find Proper Nouns or Phrases that are NOT first word in a sentence
Rspec - undefined method 'let'
Ruby %w(...) vs %w[...]
How to use RSpec regex argument matching on certain types of arguments