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echo "$(wget --timeout=30 http://ipinfo.io/ip -qO - | cut -d"." -f1-2).0.0"

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Unblock Vimeo, Reddit, Imgur, dan NPM

Saya support Internet Positif untuk memblokir porn, situs judi, dan hal-hal ilegal lainnya. Tapi pemerintah dan ISP sangat konyol karena tidak mengizinkan akses ke Vimeo, Reddit, Imgur, Netflix--yang mana bukanlah situs dengan konten utama ilegal.

Linux / BSD / macOS

Tambahkan list di bawah ke /etc/hosts.

Windows

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Writing a file using IO

producer will write a single line of string to file every 1s

require 'securerandom'

fd = IO.sysopen("/tmp/lala.log", "w+")
writer = IO.new(fd)
writer.sync = true
i = 1
while true do

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• Cannot start vim/macvim cause ruby

sudo install_name_tool -change /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/libruby.2.0.0.dylib /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/libruby.2.3.0.dylib /usr/local/bin/vim

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require "selenium/webdriver"

  Capybara.register_driver :chrome do |app|
    Capybara::Selenium::Driver.new(app, browser: :chrome)
  end

  Capybara.register_driver :headless_chrome do |app|
    capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
      chromeOptions: { args: %w(headless disable-gpu) }
    )

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Capybara Actions

# Anchor
click_link 'Save'

# Button
click_button 'awesome'

# Both above

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React on Rails with Test Suite (Karma, Jasmine, Enzyme, PhantomJS)

The steps included here detail the steps I followed to get a new React on Rails app set up, with a focus on testing JS components with Karma / Jasmine / Enzyme. A lot of this was liberally borrowed / modified from the Launch Academy curriculum, but there are some additional steps involved to get everything working with webpacker:

Unless otherwise specified, run the code in the terminal

Install Rails with Webpacker configured for React:

rails new project-name
cd project-name

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# Nginx+Unicorn best-practices congifuration guide. Now with SPDY!
# We use latest stable nginx with fresh **openssl**, **zlib** and **pcre** dependencies.
# Some extra handy modules to use: --with-http_stub_status_module --with-http_gzip_static_module
#
# Deployment structure
#
# SERVER:
#  /etc/init.d/nginx                             (1. nginx)
#  /home/app/public_html/app_production/current  (Capistrano directory)
#

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require 'thread' # for Mutex: Ruby doesn't provide out of the box thread-safe arrays

class ThreadPool
  def initialize(max_threads = 10)
    @pool = SizedQueue.new(max_threads)
    max_threads.times{ @pool << 1 }
    @mutex = Mutex.new
    @running_threads = []
  end

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tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name: