pje

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pje has asked 14 questions and find answers to 43 problems.

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pje questions

Tool to generate state transition diagram for acts_as_state_machine
Translate OSReturn Value to Human-Readable Definition
Idiomatic Analog to Ruby's `Object#tap` for Unix command Pipelines?
Ruby Regexp Interpolation / Character Class / Global Variable Syntax Clash?
Ensure Objective-C Code Execution Before Cocoa Application Exits
Pipe to export command
Can't Unload Kernel Extension; Classes Have Instances
List/Search all existing UTIs (Uniform Type Identifiers)
Using `Rack::Session::Pool` over `Rack::Session::Cookie`
Are there unintended consequences of Ruby's `begin ... end` without `rescue` used as a code block?

pje answers

ActiveRecord update_attributes to ignore invalid keys
Get value in ruby
Translate OSReturn Value to Human-Readable Definition
Ruby Pascal's triangle generator with memoization
Freeze a random number in Ruby
Check if git branch exists in bash: weird interpolation behavior
Regular expression with back reference
Object#method and dynamic responders
let() value cached across examples when before(:all) is used?
Ruby: File.open how to pass file as arguments