mrinterweb

require 'benchmark/ips'

def b = yield() + 1
l = -> (x) { x + 1 }
p = proc { |x| x + 1 }

Benchmark.ips do |x|
  x.report('block') { b { 1 } }
  x.report('lambda') { l.call(1) }
  x.report('proc') { p.call(1) }

mrinterweb

require 'faker'
require 'ffaker'
require 'benchmark/ips'

Benchmark.ips do |x|
  x.warmup = 2
  x.report("Faker::Name.name") { Faker::Name.name }
  x.report("FFaker::Name.name") { FFaker::Name.name }
  x.compare!
end

mrinterweb

That is 266 microseconds vs 2 microseconds. When compared OpenStuct is a lot slower, but when used infrequently, microseconds are minimal. 
Just don't use OpenStruct where it will be instantiated a lot or in a performance critical spot in your app.

mrinterweb

require 'pp'
NAMES = %w[Frank Sean Bryn Quinn Beckett Katie Brent Brook Katelynn Adrian].freeze

pickers = NAMES.clone
available = NAMES.clone.shuffle

matches = {}

pickers.each do |picker|
  picked = available.shift

mrinterweb

#! /usr/bin/env ruby
# Switch to git branch by matching part of a name

results = `git branch -l | grep -i #{ARGV[0]} | cut -f 1`
branchNames = results.split("\n").map { |bn| bn.sub(/^\*/, '').strip }

if branchNames.length == 1
  `git checkout #{branchNames.first}`
else
  puts 'More than one branch name matched'

mrinterweb

#!/bin/bash

set -e

# creates in Seattle using 2 core, 2GB RAM, 64GB storage on Ubuntu 19.04 
# note I was using a custom script to install docker. Basically "snap install docker"
vultr-cli server create --region 4 --plan 401 --os 338 --script-id <redacted> --label="docker-dev"

echo ""
echo "Wait about a minute to auto-connect..."

mrinterweb

#!/bin/sh
set -e
set -u
set -o pipefail

service_name="${1:-monolith}"

container_id="$(docker container ls | grep "opal_$service_name" | head -n1 | cut -d " " -f 1)"

docker logs -f $container_id

mrinterweb

Date/Time:        2020-01-21 22:46:49 -0800
End time:         2020-01-21 22:47:10 -0800
OS Version:       Mac OS X 10.15.2 (Build 19C57)
Architecture:     x86_64h
Report Version:   29

Data Source:      Stackshots
Shared Cache:     0x6b67000 1C9C4B5C-0A12-39CC-965C-B305BF7F36AA

Command:          VimR

mrinterweb

version: "2"
options:
  verbose: true
syncs:
  rails-app-sync:
    compose-dev-file-path: 'docker-compose-dev.yml'
    notify_terminal: false
    src: './'
    sync_strategy: 'native_osx'
    sync_host_ip: '127.0.0.1'

mrinterweb

# This is a ActiveRecord STI class
class Hyundai < Car
  has_one :hyundai_details
  delegate *HyundaiDetails::ACCESSIBLE_ACCESSOR_METHODS, to: :hyundai_details

  default_scope { includes(:hyundai_details) }
  
  def initialize(args = {})
    hyundai_details_attrs = {}
    args.each do |key, _val|