Jeweller-Tsai

How to take STDIN in the middle of a method execution?

 #!/usr/bin/env ruby

class CLI < Thor
  def search
    # ...

    selected = gets.chomp.to_i # this will raise: Broken pipe (Errno::EPIPE)

Jeweller-Tsai

require "net/http"
require 'uri'

def download(uri_str)
  uri = URI uri_str
  Net::HTTP.new(uri.host, uri.port).start do |http|
    head = http.request_head uri.path
    length = head.content_length
    puts length

Jeweller-Tsai

require 'em-http-request'
require 'em-synchrony'
require 'em-synchrony/em-http'

module Gmusic
  # = AsyncRequest

  # This module is powered by {EventMachine}[https://github.com/eventmachine/eventmachine] and {em-http-request}[https://github.com/igrigorik/em-http-request] and {em-synchrony}[https://github.com/igrigorik/em-synchrony].
  # By taking advantage of EventMacine, it allows you to issue parallel requests. You can easily control concurrency and follow redirects.
  #

Jeweller-Tsai

use std::io::{BufReader,BufRead};
use std::fs::File;
use std::time::Duration;
use std::thread;
use std::env;

fn main() {
    fn tail(reader: &mut BufReader<&File>) {
        let time = Duration::from_millis(10);
        loop {

Jeweller-Tsai

defmodule ElixirTail do
  def tail path do
    Stream.resource(fn -> File.open!(path) end,
    fn file ->
      case IO.read(file, :line) do
        :eof ->
          :timer.sleep 10
          {[], file}
        data ->
          IO.write data

Jeweller-Tsai

body = %{"title": "Creating an awesome worklog client using Elixir"} |> Poison.encode!
HTTPoison.post! @url, body, %{"Authorization" => "token your_access_token"}

Jeweller-Tsai

d1 = Date.new 2016, 7, 1
d2 = Date.new 2016, 7, 31
(d1 .. d2).each { |d| puts d unless d.sunday? or d.saturday? }

Jeweller-Tsai

def july do
  1..31
  |> Enum.map(fn i ->
      {:ok, d} = Date.new 2016, 7, i
      d
  end)
  |> Enum.filter(fn d ->
      !weekend?(d)
  end)
end

Jeweller-Tsai

defmodule DateRange do

  defstruct first: nil, last: nil

end

d1 = ~D[2016-07-01]
d2 = ~D[2016-07-31]
%DateRange{first: d1, last: d2} # => %DateRange{first: ~D[2016-07-01], last: ~D[2016-07-31]}

Jeweller-Tsai

# iterate through a date range, and print the dates
date_range |> Enum.each(fn date -> date |> inspect |> IO.puts end)