Net::HTTP Cheat Sheet

Ruby's Net::HTTP library repeats a failing request once, as long as it deems it idempotent (GET, HEAD etc). Both requests will use the configured timeout. Hence, if both requests ti...

You can write regular expressions some different ways, e.g. /regex/ and %r{regex}. For examples, look here.

Remember that it is always a good idea [to matc...

Are you still adding printf/puts calls and restarting your app to figure what went wrong

Occasionally, you have to talk to APIs via HTTPS that use a custom certificate or a misconfigured certificate chain (like missing an intermediate certificate).

Using RestClient will then raise RestClient::SSLCertificateNotVerified errors, or wh...

Wouldn’t it be cool if you could just require “http://my-host/my-lib.rb” in ruby?

So you're switching to PostgreSQL from MySQL? Here is some help...

General hints on PostgreSQL

• \? opens the command overview
• \d lists things: \du lists users, \dt lists tables etc

Command comparison

| Description | MySQL comm...

In the tradition of our PostgreSQL cheat sheet for MySQL lamers, here is a cheat sheet for Jasmine when you're used to RSpec.

Note that Jasmine syntax has changed...

If you’re working on some cool ruby console-based application or just want to add a little style to your script here is a nice gem for you. It’s called Rainbow and it extends ruby String class adding methods to wrap the string with ANSI escape codes.

While debugging an intricate issue with failed HTTP requests I have come to appreciate the more advanced features of the httpclient Rubygem.

The gem is much more than a lightweight wrapper around Ruby's `net/...

This cheat sheet ... aims at providing a quick reference to
the most commonly used features in AngularJS.