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#!/usr/bin/env ruby

require 'concurrent'
require 'coverage'
require 'parallel'
require 'rspec/core'

# serializable notifications inter processes

class FailedExampleNotification

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require "pg"

DB.open "postgres://postgres:postgres@localhost:5432/blog_development" do |db|
  db.transaction do |tx|
    conn = tx.connection

    pp conn.scalar "select count(*) from articles" # => 5
    pp conn.exec "insert into articles (title, url, markdown, created_at, updated_at) values ('title', 'url', 'markdown', now(), now())"
    pp db.scalar "select count(*) from articles" # => 5 (because this established another connection)
    pp conn.scalar "select count(*) from articles" # => 6

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Unhandled exception:  (Time::Location::InvalidTZDataError)
  from /usr/local/Cellar/crystal/0.27.0/src/time/location/loader.cr:86:5 in 'read_zoneinfo'
  from /usr/local/Cellar/crystal/0.27.0/src/crystal/system/unix/time.cr:59:9 in 'load_localtime'
  from /usr/local/Cellar/crystal/0.27.0/src/time/location.cr:339:10 in 'load_local'
  from /usr/local/Cellar/crystal/0.27.0/src/time/location.cr:320:38 in 'local'
  from /usr/local/Cellar/crystal/0.27.0/src/time.cr:367:16 in 'now'
  from lib/amber/src/amber/server/server.cr:55:14 in 'start'
  from lib/amber/src/amber/server/server.cr:50:9 in 'run'
  from lib/amber/src/amber/server/server.cr:17:7 in 'start'
  from src/blogway.cr:3:1 in '__crystal_main'

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# spec/models/cat_spec.rb
require 'rails_helper.rb'

RSpec.describe Cat, type: :model do
  # this is a test target model
  let(:cat) { Cat.new(status: status) }

  # this block describes Cat#nyan instance method
  # when you reference an instance method, write `Class#method`
  # and for a class method, write 'Class.method'

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# Dockerfile
------------------
FROM library/ubuntu:16.04
RUN apt-get -y update && apt-get install -y build-essential git python libssl-dev curl

# install nodebrew, node
ENV NODEBREW_ROOT=/usr/local/nodebrew
ENV PATH=/usr/local/nodebrew/current/bin:$PATH
RUN export NODE_VERSION=v4.3.2 && curl -L git.io/nodebrew | perl - setup \
    && nodebrew install-binary $NODE_VERSION \

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mkdir mydockerbuild
cd mydockerbuild
vi Dockerfile

FROM library/ubuntu:16.04
RUN apt-get -y update && apt-get install -y build-essential git silversearcher-ag python libssl-dev
CMD date

docker build -t echo-date .
docker images

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<?php

# http://www.unicode.org/charts/PDF/U1E00.pdf
$targets = [
  'aắằặấầẩậẳẵạàáâãảăẫ',
  'eẽẹếềểễệèéêẻ',
  'oốồổỗộờởơớỡòóôõỏọợ',
  'iịìíĩỉ',
  'uứừửưữựụùúũủ',
  'yỳỷỹỵý'

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upstream backend {
	server unix:/home/vagrant/prj/blog/tmp/sockets/puma.sock;
}

server {
	listen 80 default_server;
	listen [::]:80 default_server;

	root /home/vagrant/prj/blog/public;
	index index.html;

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upstream backend {
	server 127.0.0.1:3001;
}

# http://henteco-labs.com/labs/2014/04/14/rails-nginx/
server {
	location / {
		try_files $uri @proxy;
	}

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def changed(file_path)
  notify File.open(file_path, "rb").read
end

def notify(result)
  messages = result.split("\n")
  title = messages.shift
  group = messages.shift
  info = messages.join("\n")