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mattsan / ads7846.ex
Created Jul 27, 2019
ADS7846 Touchscreen 用 Scenic.ViewPort.Driver の実装
View ads7846.ex
defmodule ADS7846 do
use Scenic.ViewPort.Driver
alias Scenic.ViewPort
require Logger
defguard is_pos(x, y) when is_number(x) and is_number(y)
@init_retry_ms 400
@device "ADS7846 Touchscreen"
mattsan / serverless.yml
Created Jul 24, 2019
Serverless で layers に gems を配置する
View serverless.yml
service: emattsan
name: aws
runtime: ruby2.5
stage: ${opt:stage, 'development'}
region: ap-northeast-1
mattsan / Gemfile
Created Jul 6, 2019
A sample of Sinatra + Slim
View Gemfile
# frozen_string_literal: true
source ''
git_source(:github) {|repo_name| "{repo_name}" }
gem 'sinatra'
gem 'sinatra-contrib'
gem 'slim'
mattsan / bits.exs
Created Jun 9, 2019
Elixir の Stream.unfold/2 を使って整数をビット列に分解する例
View bits.exs
defmodule Bits do
require Integer
import Integer
import Bitwise
@doc """
A integer value to a bit list.
## example
mattsan / cli.ex
Last active May 25, 2019
[練習] wc (の機能の一部)を C++ で実装してみた
View cli.ex
defmodule ExCount.CLI do
@opts [
strict: [only_line: :boolean],
aliases: [l: :only_line]
def main(args) do
|> OptionParser.parse(@opts)
|> show_counts()
mattsan /
Created May 19, 2019
Serverless を使った Ruby の AWS Lambda のプロジェクト例

Serverless を使った Ruby の AWS Lambda のプロジェクト例


├── handler.rb
├── layers/
│   ├── Gemfile
│   └── Gemfile.lock
mattsan / application.js
Created May 10, 2019
Action Cable + Stimulus
View application.js
import { Controller, Application } from 'stimulus'
import HomeChannel from './home_channel'
class HomeController extends Controller {
static targets = [
mattsan / app.js
Created May 6, 2019
Uikit を使った modal と sortable (Drap & Drop) のスパイク
View app.js
import css from "../css/app.css"
import "phoenix_html"
import UIkit from 'uikit'
document.addEventListener('DOMContentLoaded', function() {
// Uikit のイベントのハンドリング
// Sortable の要素の移動をハンドリング
UIkit.util.on('#chapters', 'moved', (event) => {
mattsan / app.css
Created May 6, 2019
クリックした場所にDOMが移動する (Phoenix + Stimulusjs)
View app.css
.field {
background-color: #eee;
height: 90vh;
width: 100%;
.marker {
position: relative;
left: 10px;
height: 10px;
mattsan / greeter.ex
Last active May 5, 2019
Stimulusjs と Channel と Faker を使って 5 秒ごとに挨拶をするサンプル。
View greeter.ex
defmodule StimulusPhxSampleWeb.Greeter do
use GenServer
def start_link(_) do
GenServer.start_link(__MODULE__, %{})
def init(state) do
{:ok, state}
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