In April 2018, China premium coworking space network naked Hub was acquired by WeWork for 400 million USD. Do you know how much smart technology was acquired with this deal? mobile apps, naked hub Go (mini program), space and client management systems were used to scale their network from 1 to 46 working spaces in […]
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In this video you are going to learn about the singleton design pattern in Ruby. How to use it? Why should you avoid it? What’s a good use case for this pattern? Watch the full video to find out! For more tutorials like these subscribe to this channel now, watch more videos & visit my […]
This Active Storage tutorial for Ruby on Rails 5.2 covers using it for image uploads. Due to Paperclip being deprecated in Ruby on Rails 5.2, the alternative that I’m choosing to go with is the built in active storage. This tutorial covers setting up active storage and making a very basic image upload application. The […]
Hot Swapping Our Rails Front End In Secret – A Rebrand Story by Chris LoPresto “Everything looks like this, but we want it to look like that.” This is the story of how the team at Betterment replaced our front end code base to launch our new brand. Across all our apps. In secret. And […]
Giving your Heroku App highly-available PostgreSQL by Jake Varghese As you’re building out your app, you know how important it is to have your database up at all times. You need your PostgreSQL database to be HA. Jake from Compose is going to show you how to migrate your data to a HA PG service […]
Putting Rails in a corner: Understanding database isolation by Emil Ong If you’ve ever had inconsistent data show up in your app even though you wrapped the relevant code in a transaction, you’re not alone! Database isolation levels might be the solution… This talk will discuss what database isolation levels are, how to set them […]
Build A Blog in 15 (more like 30) Minutes: Webpacker Edition by Sasha Grodzins An ode to DHH’s classic, let’s build a blog with a Rails backend using a graphQL API and a React frontend. Through this live-coding session, you will learn how to set up an isomorphic app, the basic concepts of each library, […]
Reporting Live from the Ramp of Death by Thijs Cadier Lying on the beach and enjoying the 4-hour work week: who wouldn’t like the recurring revenue stream of a SaaS business? It’s why many start building a SaaS company “on the side”, only to find out they don’t make enough money to buy a latte […]
How to use Heroku CI Parallel to save time. Heroku CI quick start: Heroku CI Parallel Test Runs Beta: How to split tests in a dynamic way across parallel CI nodes with knapsack_pro Queue Mode and how it works: Learn more about optimal test suite parallelisation:
Learn how to continually measure and optimize the performance and availability of your Java, .NET and Ruby on Rails applications. Understand how you can quickly locate and rectify common performance issues such as CPU spike, memory leaks, slow database calls, etc.
In this video Alessandro Rodi shows how to use Hot Module Reloading in Rails to speed up our frontend development process.