pointcom

require 'pp'

pointcom

{foo: "bar", baz: "qux", quux: "corge", grault: "garply"}.slice(:foo, :grault)
=> {:foo=>"bar", :grault=>"garply"}

pointcom

# Before
irb(main):001:0> class Auth; end
=> nil
irb(main):002:0>  class Twitter; end
=> nil
irb(main):003:0> Twitter::Auth
(irb):4: warning: toplevel constant Auth referenced by Twitter::Auth

# After
irb(main):001:0> class Auth; end

pointcom

2.tap {|x| x*2 }
=> 2

2.yield_self {|x| x*2 }
=> 4

pointcom

# Before you had to use begin
lambda do
  begin
    raise 'err'
  rescue
    $! # => #<RuntimeError: err>
  end
end.call

# Now you can simply use rescue

pointcom

Customer = Struct.new(:name, :address, keyword_init: true)
Customer.new(name: "Dave", address: "123 Main")
#=> #<struct Customer name="Dave", address="123 Main">

pointcom

#!/bin/bash

i=0

while [ $? == 0 ]  
do  
     i=$((i+1))
        curl https://registry.hub.docker.com/v2/repositories/library/ruby/tags/?page=$i 2>/dev/null|jq '."results"[]["name"]'

      done  

pointcom

FROM elixir:1.5.0

WORKDIR /app

# Install Hex
RUN mix local.hex --force

# Install rebar3
# Needed to compile dependency :ranch
RUN mix local.rebar --force

pointcom

#!/bin/sh
# This Script aims to setup a docker environment for Linux or OSX with docker client, docker-machine and docker-compose
# All binaries are install in /usr/local/bin/ directory.

RED='\033[0;31m'
GREEN='\033[0;32m'
NC='\033[0m' # No Color

os=$(uname -s)
arch=$(uname -m)

pointcom

var hash = document.location.hash.replace('#', '');
$('a[data-target='+hash+']').trigger('click');