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Gregory Brown practicingruby

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This is my Manifesto!

A long winded philosophical statement that is meant to tug at the heart strings, but is still written in business speak suitable for someone staring off into the middle distance.

"A quote from someone notable for doing a thing a few decades ago" -- Some Dude

A sharp statement that really 'gets to the point' but doesn't really.

  • A list of things on the left that are established practices
  • A list of things on the right that are the same practices using new words
View gist:1ff3fdbc108e00c1c64548f8b5355b6a
def computation(number)
raise "Amount cannot be negative" if number < 0
# do something here.
View pdf.rb
require "pdf/inspector" # gem install pdf-inspector
text = File.binread("2016WayneCountyTaxLiens.pdf")
text_analysis = PDF::Inspector::Text.analyze(text)
File.write("dump.txt", text_analysis.strings.join)
# For more, see
# and also
View broken.rb
class BrokenNumber
def initialize(num)
@num = num
def method_missing(m, *a, &b)
@num.send(m, *a, &b)
def coerce(other)
View times.csv
name weekday start finish
Gregory Monday 8:30 AM 4:30 PM
Gregory Tuesday 8:30 AM 4:30 PM
Gregory Thursday 8:30 AM 12:00 PM
Hunter Wednesday 10:00 AM 2:00 PM
Hunter Thursday 10:00 AM 2:00 PM
Hunter Friday 10:00 AM 4:00 PM

Immutable Rules

101: All players must always abide by all the rules then in effect, in the form in which they are then in effect. The rules in the Initial Set are in effect whenever a game begins. The Initial Set consists of Rules 101-116 (immutable) and 201-213 (mutable).

102: Initially rules in the 100's are immutable and rules in the 200's are mutable. Rules subsequently enacted or transmuted (that is, changed from immutable to mutable or vice versa) may be immutable or mutable regardless of their numbers, and rules in the Initial Set may be transmuted regardless of their numbers.

103: A rule-change is any of the following: (1) the enactment, repeal, or amendment of a mutable rule; (2) the enactment, repeal, or amendment of an amendment of a mutable rule; or (3) the transmutation of an immutable rule into a mutable rule or vice versa.

practicingruby /
Last active Sep 16, 2015
A sampling of Practicing Ruby design articles

Mapping "learning code" guidelines to the Agile principles

Quotes are from, rest is from Gregory Brown

Our highest priority is to satisfy the customer through early and continuous delivery of valuable software.

As a learner, you need to start making use of what you learn as early as possible, and keep applying what you've learned, while keeping your goals focused on actually building useful things, rather than just treating coding as an intellectual exercise.

View x.rb
roster =
data = PeopleService.fetch(some_search_params)
data.each do |person|
if roster.names.count < 10
roster.names <<
raise "You can't have a roster with more than 10 people on it"
View x.rb
roster =
data = PeopleService.fetch(some_search_params)
data.each do |person|
roster.names <<
end = :colorized"out.pdf")
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