j-a4

# Validates that MX record exists for domain to prevent typos and also block by MX servers
# Use by adding to app/models/user.rb
#   validates_with EmailMXValidator, if: :email_changed?

# frozen_string_literal: true
require 'resolv'
class EmailMXValidator < ActiveModel::Validator
  def validate(user)
    domain = user.email.split('@', 2).last
    mxs = Resolv::DNS.new.getresources(domain, Resolv::DNS::Resource::IN::MX).to_a.map { |e| e.exchange.to_s }

letsar

import 'dart:math' as math;

import 'package:flutter/foundation.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/widgets.dart';

/// Signature for a function that creates a [TileSize] for a given index.
typedef TileSize IndexedTileSizeBuilder(int index);

/// Creates grid layouts with a fixed number of spans in the cross axis.

Katharine

// Paste the code below into the JavaScript console while logged in to CloudPebble for
// a link to a zip file containing all your CloudPebble projects.

console.log("Requesting export...");
Ajax.Post('/ide/transition/export', {}).then(function(data) {
    console.log("Request result: ");
    console.log(data);
    console.log("Waiting for archive. This may take a long time.");
    return Ajax.PollTask(data.task_id, {on_bad_request: console.error});
}).then(function(result) {

jeandrek

// ==UserScript==
// @name         thisandagain Summoner
// @namespace    thisandagainPlsExplainThisPost
// @version      1.06
// @description  Adds a button to posts to magically summon thisandagain or thisandbatman
// @author       Jonathan50
// @match        https://scratch.mit.edu/discuss/*
// @grant        none
// ==/UserScript==

enjalot

import SimpleHTTPServer
class CORSHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
    def send_head(self):
        """Common code for GET and HEAD commands.

        This sends the response code and MIME headers.

        Return value is either a file object (which has to be copied
        to the outputfile by the caller unless the command was HEAD,
        and must be closed by the caller under all circumstances), or