Below you’ll find the basic steps to deploy a Node.js (should apply to other languages and frameworks as well) on Heroku. It assumes you have Git and Heroku toolbelt installed. You can view a more detailed tutorial here. 1. Create the app locally (you can view a “Hello World” example here) 2. git init 3. […]
Git is one of the most popular version control systems out there. Below you’ll find the basic commands you need to get started with it. Note: One important aspect to understand about Git is that it thinks about data as snapshots of files over time. Every commit will generate a new snapshot, that is independent […]
Many types of applications that interact with Facebook will need to use webhooks. Messenger chat bots are an example. If you follow Facebook’s setup guide, you’ll notice that the example provided to activate a webhook for the first time is in Node.js: app.get('/webhook', function (req, res) { if (req.query['hub.verify_token'] === 'YOUR_VERIFY_TOKEN') { res.send(req.query['hub.challenge']); } else […]
As you probably know, you can’t send AJAX (XMLHttpRequest) requests to another domain. Browsers block it because of the Same Origin Policy, a rule used to make sure that a malicious script won’t be able to access data on other pages. This can be a problem, however, if you need to load data for a […]