Introducing Elixir the easy way
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Small lightning talk with some practical advice on how we integrated a Phoenix application in our general application landscape with a rails monolith and some frontend clients.
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Elixir and Phoenix are known for their speed, but that’s far from their only benefit. Elixir isn’t just a fast Ruby and Phoenix isn’t just Rails for Elixir. Through pattern matching, immutable data structures and new idioms your programs can not only become faster but more understandable and maintainable. This talk will take a look at what’s great, what you might miss and augment it with production experience and advice.
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This year AlphaGo shocked the world by decisively beating the strongest human Go player, Lee Sedol. An accomplishment that wasn't expected for years to come. How did AlphaGo do this? What algorithms did it use? What advances in AI made it possible? This talk will briefly introduce the game of Go, followed by the techniques and algorithms used by AlphaGo to answer these questions.
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What did AlphaGo do to beat the strongest human Go player?
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Elixir Elevated: The Ups and Downs of OTP at ElixirConf2014
Elixir Elevated: The Ups and Downs of OTP at ElixirConf2014
What did AlphaGo do to beat the strongest human Go player?
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Bottleneck in Elixir Application - Alexey Osipenko
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This document discusses the future of HTML5 and the web. It covers how HTML5 enables revolutionary technologies like graphics, fast JavaScript, background processing, and capabilities beyond desktop browsers. HTML5 provides features previously requiring plugins like geolocation, drag and drop. HTML5 is now available on mobile devices and provides high fidelity rendering without plugins or bridges. Debugging tools like Firebug, WebKit Inspector, and JavaScript profiling help develop HTML5 applications. The web platform is poised to break through sandbox limitations and provide an extensive yet open development environment across devices.
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Going Staff
What's up with becoming a Staff Engineer? What does it mean? Is it just for people who want to keep coding? How do you become a Staff Engineer and what does the work entail? What if I told you, that being a Staff engineer actually required a lot of communication and collaboration skills?
In this talk, let's answer all those questions - as it's still quite fuzzy what a Staff engineer actually is.
Stories in Open SOurce
What’s it like to work on Open Source projects? They’re all the same aren’t they? No, they’re not - the longer I worked on Open Source the more I realize how different the experience is for each one of them. Walk with me through some stories that happened to me in Open Source and let’s see what we can take away.
Metaphors are everywhere: Ideas to Improve Software Development
Let’s embark on a journey together - a journey in which we’ll weave together the realms of basketball, fiction writing, game development and trading card games to explore how these seemingly unrelated domains surprisingly intersect with the world of software development, offering fresh perspectives and insights.
Discover how concepts, strategies, and principles from these diverse domains can enhance your software development skills and creativity. Let’s celebrate the power of interdisciplinary thinking, revealing how diverse interests can invigorate your approach to software development.
Stories in Open Source
The document discusses various topics related to open source software including welcoming and helping users, releasing software early and often, treating open source software as a hobby rather than work, using micro libraries, benchmarking code performance, learning as you go, co-maintaining projects, reporting and fixing issues, being polite, discussing ideas for improvements, considering how software may be used, making open source more diverse and sustainable, and enjoying participating in open source projects.
Elixir & Phoenix – Fast, Concurrent and Explicit
Key takeaways
What are Elixir and Phoenix? What makes them standout among programming languages and frameworks?
Why would I want to use Functional Programming, what are the benefits and why does it work so well for the web?
How capable is Erlang (Whatsapp example) performance and reliability wise and why would I consider it for a project?
How does explicitness help in system design?
Elixir and Phoenix are known for their speed, but that’s far from their only benefit. Elixir isn’t just a fast Ruby and Phoenix isn’t just Rails for Elixir. Through pattern matching, immutable data structures and new idioms your programs can not only become faster but more understandable and maintainable. This talk will take a look at what’s great, what you might miss and augment it with production experience and advice.
Functioning Among Humans
In the development world most people are striving for technical excellence: better code, faster run times, more convenient interfaces, better databases… But is that really what helps us create better software?
In the end software development is done by groups of people creating products together. To do that communication and collaboration are essential. You can be the best programmer ever, but if you can’t efficiently work with others what good does it do you?
This talk will introduce you to relevant, easy to grasp concepts of collaboration and communication as well as give you food for thought.
Functioning Among Humans
In the development world most people are striving for technical excellence: better code, faster run times, more convenient interfaces, better databases… But is that really what helps us create better software?
In the end software development is done by groups of people creating products together. To do that communication and collaboration are essential. You can be the best programmer ever, but if you can’t efficiently work with others what good does it do you?
This talk will introduce you to relevant, easy to grasp concepts of collaboration and communication as well as give you food for thought.
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Rails apps start nice and cute. Fast forward a year and business logic and view logic are entangled in our validations and callbacks - getting in our way at every turn. Wasn’t this supposed to be easy?
Let’s explore different approaches to improve the situation and untangle the web.
Elixir, your Monolith and You
Elixir is great, so clearly we'll all rewrite our applications in Elixir. Mostly, you can't and shouldn't do that. This presentation will show you another path. You’ll see how at Liefery, we started with small steps instead of rewriting everything. This allowed us to reap the benefits earlier and get comfortable before getting deeper into it. We’ll examine in detail the tactics we used to create two Elixir apps for new requirements, and how we integrated them with our existing Rails code base.
Join us on our tale of adopting Elixir and Phoenix and see what we learned, what we loved, and what bumps we hit along the road
Stop Guessing and Start Measuring - Benchmarking in Practice (Lambdadays)
“What’s the fastest way of doing this?” - you might ask yourself during development. Sure, you can guess - but how do you know? How long would that function take with a million elements? Is that tail-recursive function always faster?
Benchmarking is here to give you the answers, but there are many pitfalls in setting up a good benchmark and analyzing the results. This talk will guide you through, introduce best practices, and surprise you with some results along the way. You didn’t think that the order of arguments could influence its performance...or did you?
Where do Rubyists go?
Many Rubyists branch out and take a look at other languages. What are similarities between those languages and ruby? What are differences? How does Ruby influence these languages?
It's About the Humans, Stupid (Lightning)
In the development world most people are striving for technical excellence: better code, faster run times, more convenient interfaces, better databases, faster deployments… But is that really what makes us better at developing software?
In the end software development is done by groups of people creating products together. To do that communication and collaboration between humans is essential - you can be the best programmer ever, if you can’t efficiently work with others what good does it do you?
This talk will give you a primer and food for further thought.
Stop Guessing and Start Measuring - Benchmarking Practice (Poly Version)
This is the Polyconf version of the talk, including a little MJIT vs. GraalVM rebuttal, JavaScript, SQL, Ruby and Elixir to be truly Poly.
“What’s the fastest way of doing this?” - you might ask yourself during development. Sure, you can guess, your intuition might be correct - but how do you know? Benchmarking is here to give you the answers, but there are many pitfalls in setting up a good benchmark and analyzing the results. This talk will guide you through, introduce best practices, and surprise you with some unexpected benchmarking results. You didn’t think that the order of arguments could influence its performance...or did you?
Code, Comments, Concepts, Comprehension – Conclusion?
Clean & readable code as that's aguable more important than writing code really fast. I helps maintainability and so many other things.
How fast is it really? Benchmarking in Practice (Ruby Version)
The document describes various benchmarks performed to compare the performance of different Ruby implementations and algorithms for sorting arrays. The benchmarks show that:
1) CRuby generally outperforms JRuby in sorting performance, with CRuby sorting arrays 2-3 times faster than JRuby in the benchmarks.
2) The ".sort.reverse" approach is the fastest method for reversing a sorted array, performing up to 7 times faster than using a sorting block.
3) Using "sort_by" with a transformation is generally faster than a sorting block but slower than ".sort.reverse".
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This year AlphaGo shocked the world by decisively beating the strongest human Go player, Lee Sedol. An accomplishment that wasn't expected for years to come. How did AlphaGo do this? What algorithms did it use? What advances in AI made it possible? This talk will answer these questions.
Ruby to Elixir - what's great and what you might miss
The document discusses some of the key features of Elixir compared to Ruby including pattern matching, explicit preloading of associations, immutable data, and metaprogramming. It notes some things Ruby developers may miss like dirtiness, magic metaprogramming, and a smaller ecosystem. Overall it presents Elixir as having many advantages for functional programming while acknowledging some aspects of Ruby are not directly replicated.
Elixir & Phoenix - fast, concurrent and explicit
Elixir and Phoenix are all the hype lately - what's great about them? Is there more to them than "just" fast, concurrent and reliable?
This talk will give a short intro into both Elixir and Phoenix, highlighting strengths, differences from Ruby/Rails and weaknesses.
Beating Go Thanks to the Power of Randomness
Go is a board game that is more than 2,500 years old (yes, this is not about the programming language!) and it is fascinating from multiple viewpoints. For instance, go bots still can’t beat professional players, unlike in chess.
This talk will show you what is so special about Go that computers still can’t beat humans. We will take a look at the most popular underlying algorithm and show you how the Monte Carlo method, basically random simulation, plays a vital role in conquering Go's complexity and creating the strong Go bots of today.
Optimizing For Readability
What do software engineers do all day long? Write code? Of course! But what about reading code, about understanding what’s happening? Aren’t we doing that even more? I believe we do. Because of that code should be as readable as possible! But what does that even mean? How do we achieve readable code? This talk will introduce you to coding principles and techniques that will help you write more readable code, be more productive and have more fun!
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みなさんこんにちはこれ何文字まで入るの？40文字以下不可とか本当に意味わからないけどこれ限界文字数書いてないからマジでやばい文字数いけるんじゃないの？えこ...
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Introducing Elixir the easy way
- 1. Who wants to play with Elixir now?
- 5. Can't go out and rewrite it all (tm)
- 6. Introducing elixir the easy way Tobias Pfeiffer @PragTob pragtob.info
- 7. ● Demand that poses problems for the current stack ● Reasonably separate and limited problem ● Spark to get started
- 8. ● Problem: Many concurrent connections ● Domain: Live Tracking of Couriers ● Spark: Interest and basic knowledge
- 11. Connect them?
- 14. Rails MonolithPhoenix App Web Frontend Courier App DB DB Shared Secret
- 15. JSON Web Token
- 16. Rails MonolithPhoenix App Web Frontend Courier App DB DB JWT JWT Shared Secret
- 17. Rails MonolithPhoenix App Web Frontend Courier App DB DB JWT Auth: JWT JWT Shared Secret Auth: JWT
- 18. Rails MonolithPhoenix App Web Frontend Courier App DB DB JWT Auth: JWT JWT Shared Secret Auth: JWT Location Updates Location Updates