Version: 1.9.8
Platform: x86_64
First, install or update to the latest system software.
sudo apt-get update
sudo apt-get install build-essential chrpath libssl-dev libxft-dev
# to generate your dhparam.pem file, run in the terminal | |
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048 |
#!/usr/bin/env ruby | |
require 'open-uri' | |
require 'JSON' | |
require 'digest/sha2' | |
require 'pry' | |
require 'bigdecimal' | |
require 'bitcoin' # Because I need to cheat every now and then | |
# Usage: | |
# gem install pry json ffi ruby-bitcoin |
# Raw transaction API example work-through | |
# Send coins to a 2-of-3 multisig, then spend them. | |
# | |
# For this example, I'm using these three keypairs (public/private) | |
# 0491bba2510912a5bd37da1fb5b1673010e43d2c6d812c514e91bfa9f2eb129e1c183329db55bd868e209aac2fbc02cb33d98fe74bf23f0c235d6126b1d8334f86 / 5JaTXbAUmfPYZFRwrYaALK48fN6sFJp4rHqq2QSXs8ucfpE4yQU | |
# 04865c40293a680cb9c020e7b1e106d8c1916d3cef99aa431a56d253e69256dac09ef122b1a986818a7cb624532f062c1d1f8722084861c5c3291ccffef4ec6874 / 5Jb7fCeh1Wtm4yBBg3q3XbT6B525i17kVhy3vMC9AqfR6FH2qGk | |
# 048d2455d2403e08708fc1f556002f1b6cd83f992d085097f9974ab08a28838f07896fbab08f39495e15fa6fad6edbfb1e754e35fa1c7844c41f322a1863d46213 / 5JFjmGo5Fww9p8gvx48qBYDJNAzR9pmH5S389axMtDyPT8ddqmw | |
# First: combine the three keys into a multisig address: | |
./bitcoind createmultisig 2 '["0491bba2510912a5bd37da1fb5b1673010e43d2c6d812c514e91bfa9f2eb129e1c183329db55bd868e209aac2fbc02cb33d98fe74bf23f0c235d6126b1d8334f86","04865c40293a680cb9c020e7b1e106d8c1916d3cef99aa431a56d253e69256dac09ef122b1a9 |
=Navigating= | |
visit('/projects') | |
visit(post_comments_path(post)) | |
=Clicking links and buttons= | |
click_link('id-of-link') | |
click_link('Link Text') | |
click_button('Save') | |
click('Link Text') # Click either a link or a button | |
click('Button Value') |
var parser = document.createElement('a'); | |
parser.href = "http://example.com:3000/pathname/?search=test#hash"; | |
parser.protocol; // => "http:" | |
parser.hostname; // => "example.com" | |
parser.port; // => "3000" | |
parser.pathname; // => "/pathname/" | |
parser.search; // => "?search=test" | |
parser.hash; // => "#hash" | |
parser.host; // => "example.com:3000" |
doctype html | |
html | |
head | |
title My App | |
meta name="viewport" content="width=device-width, initial-scale=1.0" | |
= stylesheet_link_tag "application", media: 'all', 'data-turbolinks-track' => true | |
= javascript_include_tag "application", 'data-turbolinks-track' => true | |
= csrf_meta_tags | |
body |
require 'openssl' | |
require 'Base64' | |
key = "secret-key" | |
data = "some data to be signed" | |
Base64.encode64(OpenSSL::HMAC.digest(OpenSSL::Digest::Digest.new('sha256'), key, data)).strip() |
require 'sinatra' | |
get "/" do | |
erb :form | |
end | |
post '/save_image' do | |
@filename = params[:file][:filename] | |
file = params[:file][:tempfile] |