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Video recording done by RubyHack

RubyHack 2017 Schedule

April 20 - 21, 2017

( 12 available presentations )
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Rating: Everyone
Viewed 13 times
Recorded at: April 20, 2017
Date Posted: August 3, 2017

Coverage Analysis Tools rely on tracing facilities built into ruby's VM.

You run your tests, and collect data. Seems simple, but that's a very flawed approach that buffers your coverage numbers up falsely. I've witnessed false coverage by as much as 25%, but it could be even worse. Worse, the tracing facilities currently make it impossible to get truly accurate numbers. Even so, they can be improved to be much more accurate. I'm currently working on a tool that fixes this problem (it is basically done and just needs polishing). The talk should be approachable to everyone, but intermediate to advanced devs might get more out of it because they're more attuned to this level of the development process. Still, I will be covering basic theory in order to explain. I will also be diving into the internals of the ruby VM in order to explain some particularly hairy edge cases.

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Rating: Everyone
Viewed 47 times
Recorded at: April 20, 2017
Date Posted: August 3, 2017

Object Orientation has served us well, but it's time to shuffle the old codger off to the Rest Home for Old Paradigms, where it can discuss the failings of youth with other stalwarts like Design Patterns, Model Driven Development, and the Agile Movement.

That's not to say the ideas behind OO were bad. It's just that, apart from maybe Smalltalk, we never actually used them.

But it turns out that we can reanimate those ideas in a different guise. Function Programming is not about functions it's about transformations and state. Combine FP with a decent actor model, and you can have OO done right, and at serious scale.

Come see Dave Thomas as he continues with his "X is Dead" world tour.

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Rating: Everyone
Viewed 76 times
Recorded at: April 20, 2017
Date Posted: August 3, 2017

Rack is a big part of ruby web apps but sometime it is forgotten as a good way to solve common webapp problems. This talk will review the basics of rack, then move to showing how we can use already available middle ware in rack-contrib (like Rack::TimeZone, Rack::Backstage, and Rack::Access), and finally writing some custom middleware.

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Rating: Everyone
Viewed 20 times
Recorded at: April 20, 2017
Date Posted: August 3, 2017

This talk is intended for any member within the tech community, regardless of proficiency, role, or level of experience. We'll explore the likeness between music and code through the following topics:

Learning Process
Patterns
Information Processing
Creative Problem Solving
Determination & Perseverance
Growth Mindset
Self-Starter Attitude
Communication & Collaboration

In the end, the goal of a musician is the same as the goal of a software engineer: work with a team to create a product that can be enjoyed by a user. Let's explore how the paths to that goal, whether musical or technical, are connected.

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Rating: Everyone
Viewed 60 times
Recorded at: April 20, 2017
Date Posted: August 3, 2017

I've become really interested in ways to help level up Junior Developers and have helped establish processes to put them in a great situation to succeed. I want to share these tips with others in the hope that we can continue to grow our community and help new people break in to this field.

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Rating: Everyone
Viewed 87 times
Recorded at: April 20, 2017
Date Posted: August 3, 2017

We've heard the arguments for functional programming, and maybe we're even convinced, but that doesn't change the fact that we have a body of code in Ruby and people paying us handsomely to work on it. Even if you want to move to functional programming, it's hard to take the leap from experienced Ruby developer to functional programming n00b. This talk addresses these concerns with code. We'll look at how to use the lowest hanging fruit from functional programming in our daily work with Ruby. As a bonus, we'll also look at how to do the same thing in Elixir, and see how familiar Elixir feels to a Ruby developer.

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Rating: Everyone
Viewed 23 times
Recorded at: April 21, 2017
Date Posted: August 3, 2017

Rails Composer is like a Rails generator on steroids for starter apps. In a few minutes you can generate a full-featured application ready for customization, saving time and effort. Find out whether Rails Composer is appropriate for you. Learn what options are available and which are most popular. And join in a discussion about the future of Rails Composer, putting forward your ideas for making this open source project more useful to all developers.

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Rating: Everyone
Viewed 25 times
Recorded at: April 21, 2017
Date Posted: August 3, 2017

A few months ago, I got into a discussion with my colleagues about rewriting Ruby methods in Ruby. We each implemented our own versions of Array#flatten. After coming up with what we thought were performant solutions, we put them to the test against Ruby's implementation. We were surprised to find that the implementation I created was faster than Ruby's! After that, I started thinking about different ways to make Ruby code run faster. As an experiment, I started writing my own Ruby methods in Ruby and benchmarked them against Ruby's versions. Complete with live coding, I would like to share my experience and discoveries in optimizing my own Ruby method implementations and explore what made them faster.

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Rating: Everyone
Viewed 31 times
Recorded at: April 21, 2017
Date Posted: August 3, 2017

This talk will demonstrate the current options for deploying Ruby on AWS Lambda along with when and why developers may want to consider this new approach. A simple, yet fully functional, application will serve as the framework for the presentation.

Topics to be addressed will include the following:

Overview of the AWS Lambda product äóî just enough for it to make sense
Code organization and structure based on existing tools and deployment options
How to write and test AWS Lambda code in development
How to deploy code to AWS Lambda
How to connect to AWS Lambda through AWS' API Gateway
How to interact with your app from Ruby or JavaScript
Briefly demonstrate working app

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Rating: Everyone
Viewed 63 times
Recorded at: April 21, 2017
Date Posted: August 3, 2017

For long we have been dependent on Node/socket.io for push notifications. It can get difficult to use a separate application/service just for it. RoR always had something missing in terms of these notifications. ActionCable is this newly developed piece to fill the void, which completes the websocket component for Rails. ReactJS is a very convenient frontend component based framework. It gets really interesting and productive when we use them together.

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Rating: Everyone
Viewed 72 times
Recorded at: April 21, 2017
Date Posted: August 3, 2017

Ever wanted to learn more DevOps than just `git push heroku master`? In my talk you will learn how to create a two-tier AWS infrastructure using code. You will learn how to use modern DevOps tools and frameworks to provision servers, setup databases, and harden your infrastructure. You will see how you can use Ansible to run configuration management scripts, Packer to build base images for servers, and Terraform to manage everything else AWS. You will learn how much easier, faster, and reliable it will be to write your infrastructure as code versus building everything manually via the AWS console.

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Rating: Everyone
Viewed 54 times
Recorded at: April 21, 2017
Date Posted: August 3, 2017

The future is awesome. We get to benefit from the fruits of others' work and make our applications even better. We will explore power of Google Cloud's Machine Learning services to build something crazy. All from within the warm embrace of ruby.

Stoke your innner futurist. PHDs not required.