seymores’s gists

## Install Erlang, Elixir 1.6 and Phoenix on AWS Linux 2
sudo yum groupinstall "Development Tools"
sudo yum install openssl-devel.x86_64
sudo yum install ncurses-devel

# Install latest Erlang
wget http://erlang.org/download/otp_src_20.3.tar.gz
tar xvfz otp_src_20.3.tar.gz
cd otp_src_20.3
make
sudo make install

## ethermine.10m.rb
#!/usr/bin/env ruby

# <bitbar.title>Ethermine BitBar Plugin</bitbar.title>
# <bitbar.version>v1.0</bitbar.version>
# <bitbar.author>Seymour Cakes</bitbar.author>
# <bitbar.author.github>https://gist.github.com/seymores/4cf112d09262a615c3cbf39b91e01207</bitbar.author.github>
# <bitbar.desc>Quick latest hashrate and unpaid values.</bitbar.desc>
# <bitbar.dependencies>ruby,httparty</bitbar.dependencies>

require 'httparty'

## carousell.txt
iex(8)> c1 = "https://carousell.com/ui/iso/api-main;localeCookies=true;path=%2F2.1%2Fproducts%2F;query=%7B%22count%22%3A31%2C%22start%22%3A0%2C%22sort%22%3A%22lowest_price%22%2C%22price_start%22%3A2000%2C%22query%22%3A%22rolex%20explorer%2039mm%202016%22%2C%22toggle_shippable%22%3A1%2C%22latitude%22%3A%22%22%2C%22longitude%22%3A%22%22%2C%22lte%22%3A%22%22%2C%22unit%22%3A%22%22%2C%22country_id%22%3A%221880251%22%2C%22country_code%22%3A%22SG%22%7D?_csrf=lY4VP8gA-VL4l1oTBrjxzVwVWronwIMzSPFQ&returnMeta=true"
"https://carousell.com/ui/iso/api-main;localeCookies=true;path=%2F2.1%2Fproducts%2F;query=%7B%22count%22%3A31%2C%22start%22%3A0%2C%22sort%22%3A%22lowest_price%22%2C%22price_start%22%3A2000%2C%22query%22%3A%22rolex%20explorer%2039mm%202016%22%2C%22toggle_shippable%22%3A1%2C%22latitude%22%3A%22%22%2C%22longitude%22%3A%22%22%2C%22lte%22%3A%22%22%2C%22unit%22%3A%22%22%2C%22country_id%22%3A%221880251%22%2C%22country_code%22%3A%22SG%22%7D?_csrf=lY4VP8gA-VL4l1oTBrjxzVwVWronwIMzSPFQ&returnMeta=true"
iex(9)> URI.decod

## encrypted_field.ex
defmodule MyApp.EncryptedField do
  @behaviour Ecto.Type

  def type, do: :binary

  def cast(value) do
    {:ok, to_string(value)}
  end

  # This is called when the field value is about to be written to the database

## question1.clj
;; Hardcode the input data here as `data`

(def data `({:content "Message from User 2"
             :from {:id 2 :name "User 2" :type :user :updated "2000-03-05T16:49:56.845Z"}
             :to {:id 22 :name "Group 22" :type :group :updated "1991-10-19T00:57:39.527Z"}
             :type :message}

            {:content "Message from User 1"
             :from {:id 1 :name "User 1" :type :user :updated "1980-07-21T18:56:27.379Z"}
             :to {:id 3 :name "User 3" :type :user :updated "1984-05-16T19:57:44.739Z"}

## ref_consistency_multithreaded_test.clj
;; Question 2
;; 1. Create a unit test that reproduces the problem
;; 2. Explain what is going wrong
;; 3. Fix the bug

;; 0. Start with the ref a, ref b and the advance-* functions

(def a (ref 1))

(def b (ref 1))

## test
Algorithmia = require("algorithmia");
const request = require('request');

exports.apply = function(input, cb) {

  let url = 'http://104.196.34.244:80/' + input;

  request(url, function (error, response, body) {
    if (!error && response.statusCode == 200) {
      out = body

## gcdatastore.js
const gcloud = require('gcloud');
const _ = require('lodash');
const cache = require('./cache');
const log = console.log;


const config = {projectId: process.env.GCLOUD_PROJECT || 'brydge-api'}
const ds = gcloud.datastore(config);


## publish_elixir_lib_cheatsheet

1. In mix.exs, create

  defp package do
    [
      files: ["lib", "mix.exs", "README", "LICENSE*"],
      maintainers: ["Your Name"],
      licenses: ["Apache 2.0"],
      links: %{"GitHub" => "https://github.com/fteem/some_app_name"}
    ]

## Create PEM file
ssh-keygen -t rsa -b 2048 -v
cat server.pub  >> .ssh/authorized_keys
# rename server server.pem
# Distribute server.pem to login.