Kofi Asare kofiasare

Vagrant fixes for file-watching servers

These snippets show how to enable polling for filesystem changes when using

nodemon for Node apps (ExpressJS, etc)
rails server
webpack-dev-server --watch
ember server

You can probably look at these examples and Google to find similar solutions for other dev servers.

Using xclip to copy terminal content to the clip board:

Say you want to pipe shell output to your clipboard on Linux. How would you do it? First, choose the clipboard destination, either the Mouse clip or the system clipboard.

For the mouse clipboard, pipe straight to xclip:

echo 123 | xclip

For the system clip board, pipe to xclip and select clip directly:

Sending emails with ActionMailer and Sidekiq

Send email asynchroniously using Sidekiq.

ActionMailer

Create your mailer us usual:

	FROM ruby:2.6-alpine

	# Additional runtime facilities provided by the OS.
	RUN apk add --no-cache libxml2 libxslt postgresql-libs tzdata
	# Tell bundler how to use the OS.
	RUN gem install bundler -v '~> 1.17' && \
	bundle config build.nokogiri --use-system-libraries
	WORKDIR /opt/app
	RUN mkdir -p tmp/pids tmp/cache

	#!/bin/bash

	echo "-- installing mailcatcher -- "

	apt-get install ruby ruby-dev ruby-all-dev sqlite3 libsqlite3-dev -y

	gem install mailcatcher

	echo '[Unit]
	Description = MailCatcher

	// Add a request interceptor
	axios.interceptors.request.use(function (config) {
	// Do something before request is sent
	NProgress.start();
	return config;
	}, function (error) {
	// Do something with request error
	console.error(error)
	return Promise.reject(error);
	});

	Promise.all([
	someThingThatReturnsAPromise(),
	otherThingThatReturnsAPromise(),
	lastThingThatReturnsAPromise()
	])
	.then( results =>
	{
	// this...
	const [first, second, third] = results;
	// ... instead of

	<template>
	<div>
	<button @click="increment">Increment</button>
	</div>
	</template>

	<script>
	import { mapActions } from 'vuex'
	export default{
	methods: {

	defmodule Numbers do

	def prime?(2), do: :true
	def prime?(num) do
	last = num
	\|> :math.sqrt
	\|> Float.ceil
	\|> trunc
	notprime = 2..last
	\|> Enum.any?(fn a -> rem(num, a)==0 end)

	package main

	import (
	"bytes"
	"flag"
	"image"
	"image/color"
	"image/draw"
	"image/jpeg"
	"log"