A Symbol looks like a variable name but it's prefixed with a colon. Examples - :action Alternatively, you can consider the colon to mean "thing named" so :id is "the thing named id." You can also think of :id as meaning the name of the variable id, and plain id as meaning the value of the variable. A Symbol is the most basic Ruby object you can create. It's just a name. Symbols are useful because a given symbol name refers to the same object throughout a Ruby program. Symbols are more efficient than strings. Two

As you’re probably aware, SendGrid is great at sending your email, but SendGrid can also help you process email using the Inbound Parse Webhook. The Inbound Parse Webhook processes all incoming email for a domain or subdomain, parses the contents and attachments of that email, then POSTs the multipart/form-data of the attachment and JSON-encoded content to the URL of your choosing. To send an email to the application we use sendgrid services. Sendgrid provides different APIs for different purposes. For incoming email processing use inbound parse webhook API. The API says that: The Parse API will POST the