maxim

#!/usr/bin/env ruby

# Usage:
# Example command ./coverflowify.rb source.png 30 20 50 true output.png
# 
# The values are:
# * shrink percent - specifies by how much percent to shrink the background images
# * skew percent - specifies how much 3d rotation (inward) to give background images
# * visible percent - specifies how much of background images stick out on left and right
# * add_shadow - if true, adds default shadow, also accepts full shadow spec, like "70x4+5+5"

maxim

require 'minitest/autorun'

class FooTest < MiniTest::Unit::TestCase
  def test_foo
    assert_equal('0x0', '0x1')
  end
end

# Running tests:

maxim

>> GC.disable
=> false
>>
>> def foo
>>   file = Tempfile.new('test')
>>   file.path
>> end
=> nil
>>
>> path = foo

maxim

a = { foo: 'foo', bar: 'bar' }
b = { foo: 'fooo' }

# Reconcile duplicate keys
a.merge(b) {|k, old_v, new_v| [old_v, new_v].min}
# => { foo: 'foo', bar: 'bar' }

# Ever wanted Hash#map to return a hash? This is a workaround
a.merge(a) {|k, v| v.upcase}
# => { foo: "FOO", bar: "BAR" }

maxim

>> obj = Object.new
=> #<Object:0x007ff6bd6b07e0>
>> def obj.to_hash; { bar: 'bar' } end
=> nil
>> { foo: 'foo' }.merge(obj)
=> {:foo=>"foo", :bar=>"bar"}

maxim

["a b.c d.e"[/\.(\S+)$/, 1].split('.'), $`].reverse

maxim

# Something like this in initializer

Paperclip.interpolates(:s3_eu_url) { |attachment, style|
  "#{attachment.s3_protocol}://s3-eu-west-1.amazonaws.com/#{attachment.bucket_name}/#{attachment.path(style).gsub(%r{^/}, "")}"
}

# And then this in attachment options

url:            ':s3_eu_url',
storage:        :s3,

maxim

if Rails.env.development?
  module Kernel
    def with_query_trace
      Rails.backtrace_cleaner.add_silencer do |line|
        line.include?('query_trace.rb')
      end

      callback = lambda do |*args|
        bt = Rails.backtrace_cleaner.clean(caller[1..-1])

maxim

#!/usr/bin/env ruby
#
# This script is an astonishing feat of top notch
# rockstar craftsmanship. It totally uses artificial
# intelligence to extract colors out of tmTheme and
# build an itermcolors scheme file for iTerm2.
#
# I know this sounds crazy, but it actually knows
# approximately what colors should be used in the
# ANSI list, and tries to find nearest colors from

maxim

# This is an example of how to use database_cleaner gem and
# RSpec tags to make `after_commit` hook play nice with 
# `use_transactional_fixtures`.

# Simply mark the specs that use after_commit with
# `:uses_after_commit` tag.

# ...
require 'database_cleaner'