kylev

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

munkiepus

#!/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

nemanja947

// 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);
});

vaz

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.

JesterXL

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

Brainiarc7

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:

hootlex

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

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

stevemolloy

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)

maxivak

Sending emails with ActionMailer and Sidekiq

Send email asynchroniously using Sidekiq.

ActionMailer

Create your mailer us usual:

santiaago

package main

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