gabetax

require 'benchmark'

def measure(gc: false, times: 1000, &block)
  GC.start
  GC.disable if gc

  gc_key = if RUBY_VERSION > 2.2
    :total_allocated_objects
  else
    :total_allocated_object

gabetax

#!/usr/bin/env ruby
require 'json'

# Usage:
# head production.log.json | ruby json_pluck.rb time,session,message

# colorize output when going to stdout or if explicitly requested (e.g. `| less -r`)
color = $stdout.tty?
color = true if ARGV.first == '-c' && ARGV.shift

gabetax

#include <FastLED.h>

//#define LED_PIN     5
#define DATA_PIN 9
#define CLOCK_PIN 8
#define NUM_LEDS    300
#define BRIGHTNESS  64
#define LED_TYPE    APA102
#define COLOR_ORDER BGR
CRGB leds[NUM_LEDS];

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a = %w(a b c)
a.each do |i|
  puts i
end.presence || puts("the array was empty")

gabetax

# http://gembundler.com/deploying.html
require 'bundler/capistrano'

# http://guides.rubyonrails.org/asset_pipeline.html
load 'deploy/assets'

# http://beginrescueend.com/integration/capistrano/
# Also add rvm-capistrano to your Gemfile
require "rvm/capistrano"                  # Load RVM's capistrano plugin.
set :rvm_type, :system  # Copy the exact line. I really mean :system here

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<% @body_data = {
    page_object: 'PostForm',
    rails_env: Rails.env,
    post_max_length: Post.column_types['title'].limit
  }
%>

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--type-add=html:ext:html.erb
--type-add=css:ext:sass,less,scss
--type-add=js:ext:js.erb,coffee
--type-add=rspec:match:/_spec.rb$/
--ignore-dir=vendor
--ignore-dir=log
--ignore-dir=tmp
--ignore-dir=coverage
--ignore-dir=public/assets
--ignore-dir=spec/fixtures/cassettes

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module FeatureSpecMacros
  module ExampleMethods
    def successfully_visit(path)
      visit path
      successfully_on path
    end

    def successfully_on(path)
      expect(page.current_path).to eq(path), "Expected: #{path} URL\nGot #{page.current_path}\n\nPage source:\n\n#{page.html}"
      expect(page.status_code).to eq(200), "Expected: 200 status code\nGot #{page.status_code}\n\nPage source:\n\n#{page.html}"

gabetax

rspec expect syntax and stand-alone operator matches

I recently started a new project using rspec's newer (and soon to be default) expect syntax, and encountered this error:

expect(5).to == 5
ArgumentError: The expect syntax does not support operator matchers, so you must pass a matcher to `#to`

"Why'd they take out operator matches? I've grown quite accustomed to them!", I thought. Digging around, the source of this change started in pull request 119 citing issue 138 as one of the root causes. Here's what's actually happening:

gabetax

https://twitter.com/garybernhardt/status/349920138889404416

[1] pry(main)> class Object; alias_method :&, :method; end
=> Object

With standard symbol to proc, &:foo evaluates to:

{ |x| x.foo }

With the "pretzel bun", &foo&:bar evaluates to: