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A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

Index:

Ruby Association Certified Ruby Examination Silver Sample Questions

Q1. Which of the following have true values in Ruby? (Choose two.)

(a) ""
(b) 0
(c) false
(d) nil

Ruby Association Certified Ruby Examination Gold Sample Questions

Q1. Assume that the following code must have the stated execution result.

__(1)__
x.each_line { |line| puts line }

[Execution Result]
apple

Effective Engineer - Notes

By Edmond Lau
Highly Recommended 👍
http://www.theeffectiveengineer.com/

What's an Effective Engineer?

They are the people who get things done. Effective Engineers produce results.

Adopt the Right Mindsets

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

How to delete Sidekiq jobs in a Rails app using ActiveJobs

Sidekiq jobs can be enqueued or scheduled. Enqueued means that they are gonna be picked up as soon as possible, scheduled jobs will be enqueued at some specific time.

job_id and jid

When using ActiveJobs, Rails will return a job_id after sending the job to ActiveJobs

job = UserMailer.send_invite(params).deliver_later

Tutorial: Designing a GraphQL API

This tutorial was created by Shopify for internal purposes. We've created a public version of it since we think it's useful to anyone creating a GraphQL API.

It's based on lessons learned from creating and evolving production schemas at Shopify over almost 3 years. The tutorial has evolved and will continue to change in the future so nothing is set in stone.

Backup server with gem Backup and Whenever

sudo apt-get install build-essential libcurl4-openssl-dev sudo apt-get install libxml2-dev

Config Backup

Install backup gem

$ gem install backup

Implementation of the Sign in with Apple service in Ruby on Rails. This implementation is convenient for Ruby on Rails APIs as it does not use views.

This implementation does:

Verify the user's identity token with apple servers to confirm that the token is not expired and ensure it has not been tampered with or replayed to the app.
Log in the user, register the user or connect the user's apple account to the user's existing account.

Parameters

code: Apple's authorizationCode after sign in. Example: c49a75458b1e74b9f8e866f5a93b1689a.0.nrtuy. ...


	# 1) Create your private key (any password will do, we remove it below)

	$ cd ~/.ssh
	$ openssl genrsa -des3 -out server.orig.key 2048


	# 2) Remove the password

	$ openssl rsa -in server.orig.key -out server.key