February 22-24, 2023
Montreal, Canada

Sessions

Top 20 My wish List
.Net Nanoframework ou C# pour les Microcontrôleurs
.NETInternet of Things Il est naturel de programmer un Microcontrôleur en C++ ou même en Python. Mais saviez-vous qu'il est aussi possible de le faire en C# en utilisant le .Net nanoFramework? Nous verrons les avantages et inconvénients de le faire et, à l'aide d'un contrôleur ESP32, nous verrons des exemples de ce qu'il est possible de faire à l'aide de ce language de programmation plus moderne.
1,2,3 … testing : is this thing on(line)? MSFT Testing Tools
Architecture & Design PatternsTests & Quality Is your environment acting the way you intended it to be, as in do your users see what you wanted them to see? Is your app breaking under stress or even worse going down when components are acting up (or down in this case)?
In this session you will be guided though all the options you have today lining out all the testing capabilities you have in the Microsoft Coding Universe.
A better way to test websockets for security issues
Tests & QualitySecurity Websockets became very popular over the last few years, regular security tools are not catching a lot of the security issues related to websockets. Most popular tools are more suited to the HTTP protocol. This talk will outline the various gaps in existing tooling available to test applications that use websockets. It will also demonstrate a new opensource tool which was designed specifically for testing websockets.
Accessibility and innovation
AccessibilityUX & UI Accessibility might seem like a blocker to creative design, a complicated technical solution, or a problem left for your testers to solve.

On the contrary, accessibility is an opportunity to create an innovative experience for your clients and customers.

This talk explores inclusive design as a way to create innovative solutions for everyone.
Adding OpenTelemetry to Modern Apps: Lessons Learned
Cloud ComputingDevOps When adding observability to existing production apps, there are a number of tradeoffs in approaches.
We added observability to open source NGINX MARA, addressing challenges while keeping to open source solutions whenever possible. Learn from our experience in observability in production class apps.
Come learn from our experience in dealing with OpenTelemetry and related tools.
Adventures in rendering off the main thread
HTML & CSSJavaScript When building out the front end for an application with strong real-time requirements, there are many considerations. How do we get initial data? How do we get subsequent updates? What happens if they lose connectivity? Web components provide an excellent model for progressively enhancing initial markup. Workers allow us to move rendering off the main thread. In this talk, we'll demonstrate an architecture that scales down to any device with a sp
After Java 8: The cool stuff
Java & JVM languages Have you ever peeked behind the curtain on Java? Beyond Java 8, there's a lot of cool stuff to be discovered. We talk about the "fun and shiny" features you may not even know about. See how the JDK, JVM, and the Java language have all evolved and improved—now making you more productive and forcing you to write more secure code. This session is jam-packed with fun and shiny areas to accelerate your developer productivity.
All Things Functions in Javascript
JavaScript That's a JavaScript function, I know all about those. But wait...what's that asterisk for? Why does that function look different from that function? Is there a difference? And when does this mean that and not this? Let's take a deep dive into JavaScript functions, find out all the little quirks and intricacies and hopefully walk away with a better understanding of the functions we're writing, and maybe how to write them better.
Améliorez vos tests TypeScript avec Fast-Check
JavaScriptTests & Quality Malgré vos dizaines de tests et votre couverture de code à 100%, votre application crashe toujours en prod sur des cas que vous n'aviez pas prévu?
Les tests des propriétés sont là pour vous sauver de cette situation! En prenant comme exemple la librairie fast-check de TypeScript, nous verrons comment écrire des centaines tests en quelques lignes, et augmenter ainsi votre confiance dans le fait que votre code fonctionne.
Another Path of AI: Building Genetic Algorithms in C# & .NET
.NETArtificial Intelligence Genetic Algorithms are based on the ideas of natural selection and genetics. They are commonly used to generate high-quality optimization and search solutions. This branch of Artificial Intelligence provides a search with historical data to direct the inquiry into the region of better performance in solution space. Learn how to develop and use this type of AI for real-world problems and solutions using C# and .NET on your favorite cloud platform.
API Anatomy
Architecture & Design PatternsPHP We love heated discussions about what is RESTful and laugh at SOAP and other ancient RPC protocols while glorifying GraphQL... Forget the buzzwords and let's explore the true meaning of Application Programming Interfaces, from mere variables and functions, through network connections, to connecting large software systems. Thinking in terms of APIs can improve the way we approach software design on so many levels!
Async Python, Good it is
Python Have you loved async & await in JavaScript and other languages? Wished you could add it to your Python? async.io is here! Now with async & await we can think synchronously and run asynchronously. But there's some sharp edges and edge cases. Let's look at how easy it is to do multiple tasks at once, and how we collect all the results. We'll also look at best practices and edge cases like how do you kick off an async process from main?
Asynchronous PHP
Architecture & Design PatternsPHP Your script is constantly waiting. For the database, the e-mail server, the HTTP server of any service, a file from the disk or even for the RAM. And with it the customers wait.
I want to show how with an asynchronous architecture, RabbitMQ and ReactPHP the waiting time is significantly shortened and that sometimes you do not have to wait.
Asynchronous programming with PHP and OpenSwoole
PHP OpenSwoole is a PHP extension that allows to build high-performance, async multi-tasking web services with PHP. It offers a very lightweight Coroutine API to that allows to create thousands coroutines within one Linux process.

It offers a range of multi-threaded I/O modules (HTTP Server, WebSockets, TaskWorkers, Process Pools) out of the box and support for popular PHP clients like PDO and CURL.
Automated testing of your Cloud infrastructure
Cloud ComputingDevOpsTests & Quality One of the first steps organizations take when adopting DevOps principles is to use automated testing of application code.

In this session, we'll see how to use Pester to integrate automated testing into the infrastructure lifecycle.

At the end of this session, you will have all the elements in hand to start testing your infrastructures! :)
Avoid the pitfalls of a GraphQL API with Apollo
JavaScriptPerformance Are you considering switching to GraphQL? We adopted it 4 years ago and quickly ran into performance issues in Apollo. Learn about the concepts of GraphQL, the pitfalls that lurk beneath their attractive flexibility, and the techniques we've devised to limit their impact.
Balancing Risk and Reward in Security Testing
Tests & QualitySecurity Security testing is an important part of the development process. Understanding the security posture in your live production environment and measuring real threats is equally important. Should you perform testing on production? In this talk we will share the perspective of an experienced pen-tester, who has seen what happens when things don't go to plan. We will then help devise the best testing strategies for maximum payoff and minimum risk.
Bâtir un système analytics avec NestJS et Elasticsearch
DatabasesJavaScript Découvrez comment nous avons bâti un système pour gérer les stats d’un système e-commerce. La solution est capable d’ingérer et de calculer les stats, de manière scalable. Découvrez pourquoi nous avons choisi Elasticsearch et comment nous l’utilisons. Vous découvrirez aussi les problèmes que nous avons vécus et comment nous les avons contournés.
BDD revolution - or how we came back from hell
PHPTests & Quality In the modern application development process, testing is not only an addition. A great example of a proper testing suite revolution is Behat system from the open-source eCommerce project Sylius, which has been entirely rebuilt some time ago.
I will present the bigges problems which we had in previous UI tests and the conclusions we’ve deduced from them. I will also show the way, how we’ve rewritten the test system and what we learned from it.
Beating TimSort
PerformancePython Tim Peters created TimSort, a sorting algorithm for Python, and it’s so fast in the real world most programming languages have now copied it. This all-audiences talk shows how Timsort works, how it spread to other programming languages, and how I beat TimSort (at least in one use case).
Better Object Mapping in .NET with Dapper
.NET Learn how Dapper, a micro-ORM, can improve efficiency and give you complete control over SQL to C# object mapping without the complexity of larger ORMs like EF and nHibernate in this session.
Beyond REST maturity levels
Architecture & Design PatternsPHP Insights from building a real life, high-load REST API
Implementing a REST API is not only about designing correct resource URLs. I will talk about the software and system engineering part it takes to build a data API. I will show concrete examples from a project where we gather data from dozens of different services and systems and build a real-time capable data API. The main technology stack is Symfony, Elasticsearch and Varnish.
Build a community of practice for web standards compliance
ManagementUX & UI Launched in 2019, McGill University’s revamped digital standards have become a cornerstone of our web governance framework, a key reference for web strategies and a resource that defines our shared understanding of what makes an exemplary site. Learn how we established a community of practice for digital standards compliance within our large, decentralized network of website managers. Get tips for securing buy-in and encouraging involvement.
Build Amazing Things (Securely)
Security We are in an age of technological revolution. The technologies that we read about in fiction and watched on tv shows as children are being built now, all around the world. 
This is a time to be excited and hopeful about the benefits that technology can bring to all aspects of our lives and society but also a time to be mindful of the risks we face.
In this talk, we discuss this exciting future and how we can work together to secure it.
Build fast with FastAPI
PythonDocumentation The popularity of Python as a language for web development is undoubtedly . Itnd with it is also the set of tools and frameworks available to create and document REST APIs.

In this presentation, we will provide a subtle introduction to the FastAPI framework while enumerating its main features and advantages for building RESTful APIs.
Building an interactive Slack bot
JavaScript Slack is a popular messaging app used by over 750,000 companies including 65% of the Fortune 100 companies. Did you know you can do more than just send text messages with the odd image or emoji? It's possible to create a rich interactive UI using Slack's Block Kit UI framework. In this session we'll build a simple hot-desk booking bot with Node.js where you'll learn how to respond to events from your controls and adjust the displayed message.
Building micro services with Rust
PerformanceTests & Quality Rust has been characterized as a systems language. In this talk, I wanted to make a case for Rust as a business language. With the support of its macro system and expressive trait system, Rust can often be as expressive as Ruby while having the performance characteristics of C++. I will walkthrough some Rust libraries like Axum and SQLX and how you can quickly build your web service with Rust.
Building on a Budget the AWS Well-Architected way
Cloud Computing Companies need to build quickly,and keep their costs under control. They need to make sure that every dollar that flows out is being turned into value for the business,and they need to maximise that value. By following the Well-Architected Framework’s Cost Optimization pillar,they can ensure they have the guard rails in place to move forward with confidence and focus on building their business,without having to look over their shoulder constantly
Building Streaming applications in Java Quarkus framework
DevOpsJava & JVM languages Kafka Streams is a client library for building applications and microservices, where the input and output data are stored in Kafka clusters. It combines the simplicity of writing and deploying standard Java applications on the client side with the benefits of Kafka's server-side cluster technology.
In this session, you will learn about:
DSL and Processor APIs
Demo on how to build a data streaming pipe
Buildpacks: the other way to build container images
DevOps Buildpacks have been around for more than 10 years!
First they were used to detect and build an app before deploying it to a couple of PaaS.
Then we could create Docker (OCI) images with them.
Are they a good alternative to the Dockerfile?
Who's supporting them and how?
Come and find out during this session that will feature demos along the way!
Business logic testing with Behat, Twig and API Platform
PHPTests & Quality What to test and how to test? These two questions are still a challenge after a long time of successful implementation of a properly tested big project. After many years of being a part of one, I come up with the conclusion: that what needs to be covered with tests are business requirements.
I will present how to approach testing different user interfaces (Twig-based UI and API Platform-based API), while still focusing on the business value
Cache me if you can:Common strategies and why you not need 1
Architecture & Design Patterns Caching data is a pattern used by any application that needs to serve high traffic and finds itself with latency requirements being incompatible with the selected persistence choice. While simple at first, creating and maintaining a cache has aspects often overlooked. In this session I will cover some of the challenges with caching, the typical solutions used and present the notion of using CQRS to eliminate the need to have one
Cloud-native application development with Dapr
DevOps Dapr is a runtime that facilitates the development of distributed and event-driven applications often associated to microservices architectures. Through its building blocks and components, it allows developers to externalize several elements of complexity and works with any language. You won't have to worry about retry loops, proprietary SDKs and protocols, and observability.
Collections beyond ObservableCollection of T in .NET
Architecture & Design Patterns.NET Data Collections play an essential role in our applications. How we manage our data can be crucial to their overall performance.

In this presentation, we want to introduce DynamicData, a library that allows developers to bring the power of Reactive Extensions (Rx) to collections.

We will also show how we can leverage DynamicData in our .NET applications.
Comment les machines comprennent-elles le langage humain ?
Artificial IntelligenceMachine Learning Le Traitement Automatique du Langage (TAL) alimente de nombreuses technologies modernes telles que les chatbots ou la détection de spam. À la base du TAL se trouve le besoin de comprendre du texte—les octets bruts ne permettent pas d'extraire un réel sens. Cela justifie alors l'utilisation de représentations sophistiquées que nous introduisons ici: comptage (ex. TFIDF), vecteurs statiques (ex. word2vec) et réseaux de neurones (ex. Transformers).
Connaissez-vous vraiment JWT ?
Security Les JWT sont très pratiques pour faire transiter des données de manière fiable. Ils sont souvent utilisés pour assurer l'authentication auprès de micro-services ou de SSO dans le cadre d'OIDC. De plus, on voit beaucoup de JWS (des jetons signés), mais ce n'est pas la seule implémentation qui existe. JWT est plus vaste que ce que l'on peut penser. Je vous propose de découvrir des aspects de JWT moins connus que l'utilisation classique.
Creating APIs on Steroids with gRPC
.NET What's that in the sky? Is it a plane? Is it WCF? No it's better. It's gRPC that's now natively supported in ASP.NET Core. It's more efficient than any API technique you've ever used and it's is way, way faster. That makes it very suitable for communication between microservices.
In this session I'm talking about what gRPC is but also how you can implement it right away in any ASP.NET Core application.
Data driven & AI-powered transportation industry by ISAAC
Artificial IntelligenceInternet of Things ISAAC Instrument designed solutions are revolutionizing the transportation industry with their innovative products, cutting-edge technologies, and customer focused solutions. In this session, we will talk about our data collection process, data types, IOT data details that are installed in trucks, ISAAC's big data platform properties, data processing steps, data platform principles and AI models that we are currently working on.
Dealing with change in event sourced applications
DatabasesJava & JVM languagesPHP In software development, change is pretty much the only constant factor. In fact, embracing change is one of the twelve principles behind the Agile Manifesto. However, changing event sourced applications can be very challenging.

In this talk, we’ll explore how to deal with projection updates, event updates and versioning, and existing privacy legislation (such as the GDPR).
Deep dive into Query Performance
DatabasesDevOps In this presentation, we will explore this seemingly simple aspect of working with database in details. We will talk about how to group queries together in the meaningful way so you’re not overwhelmed with amount of details but find the right queries to focus on. When you should focus on tuning specific queries or when it is better to focus on tuning the database. We will also look at other ways to minimize user facing response time.
Deep dive into SQL Server storage
Databases.NET One of the perks of joining Microsoft's Azure SQL team is being granted the opportunity to learn about inner workings of SQL Server.

Frankly, not only did I learn them, but I'm happy to share them!

We will talk about Pages, Extents, Indexes, Transactions and how it all works under the hood.

Oh, and did I mention that lots of it is true for other Relational DBs as well?
Dependency Management - OUCH!
Java & JVM languagesPerformance If you want to learn how to escape or not even enter dependency hell, come to this talk.
You will gain an understanding of the principles behind dependency management we use with Gradle.
A single incorrect dependency can break existing code, introduce a vulnerability or simply prevent your project from building.
Whatever your approach, your sources and dependencies are central to productivity by reusing artifacts and ensuring a quality build.
Deploying PHP applications with zero downtime
DevOpsPHP The process of replacing your code with a new version can be tricky. In this talk, I will present strategies to deploy your code without interrupting the application, including how to handle database schema changes without breaking running code.
Designing State Machines with the Symfony Workflow Component
PHP Developing domain specific web applications often rhymes with domain entities having a inner state that moves from one to another when some event or action occurs. One way to constraint, validate and ensure the consistency of an object state within its lifecycle is to setup a state machine. In this talk, you’ll learn how to use the Symfony Workflow component to build a complete and full featured state machine for your PHP domain objects.
Developing your first Chrome Extension
JavaScript Developer likes to build productivity tools. It is a common reflex to automate manual build or deployment steps, but have you ever though about developing a browser extension? In this presentation, I will show you how easy it is to build your first extension. We will be cover the manifest configuration, the components, the build option and more. With the numerous examples given, it should inspire you to write your own extension.
Devriez vous migrer à Spring Boot 3 ?
Java & JVM languages 8 ans après la première release de Spring Boot il était temps pour une mise à jour. Spring Boot 3 sorti en 2022 est la nouvelle mouture du framework le plus utilisé par les développeurs Java. Qu'apporte la version 3 ? La réponse de Spring Boot est-elle à la hauteur des concurrents Quarkus et Micronaut? Nous le verrons lors de cette présentation ?
Diagram It! - Visualization Techniques for IT People
Architecture & Design PatternsDocumentation A picture is worth a thousand words, they say - but unfortunately it is not always the case. If done right, diagrams are a treasure - but we've all seen and suffered from spaghetti diagrams and ones bringing confusion rather than clarity and added value.

Let's see what makes a diagram effective, what are the techniques and principles for creating good diagrams - and how everyone can get better at using this powerful communication tool.
Discovered the Java Microbenchmark Harness & You Should Too
Java & JVM languages I once wrote a program to demonstrate the performance of different Java collections to my students. The differences between the collections were what I expected but the values changed significantly for each run. Then I discovered the Java Microbenchmark Harness or JMH. Think of it as unit testing for performance rather than correctness. In this presentation I will talk about the original performance program and the enhanced version using JMH.
Distributed load testing with k6
PerformanceTests & Quality In this presentation we'll introduce you to k6, an open source load testing tool by Grafana Labs. k6 is easy to run, powerful and flexible thanks built-in Javascript engine.

You'll learn how to define testing scenarios in Javascript, set checks for expected behavior, define thresholds and visualize testing metrics using Prometheus, InfluxDB and Grafana.

k6 can run distributed tests and can be controlled remotely through a CLI and API.
Doctrine, objet typé, et colonne JSON
DatabasesPHP Les bases de données savent gérer des colonnes JSON depuis des années déjà, et
ces colonnes permettent d'accélérer le développement en simplifiant le code, les
migrations, et la maintenance.

À travers cette présentation, nous allons voir comment étendre Doctrine pour
avoir le meilleur des deux mondes : des colonnes en JSON, et des objets PHP
fortement typés.
Don't Panic! Security's here to assess your project.
Security You and your team have been working on some web apps and APIs for a few sprints now, and you may or may not already have a version running in production, when out of the blue, the client announces that a security company will do an assessment of your project. If your initial reaction to this news is either being scared or concerned, you're probably right. And you should probably attend this session to be better prepared for what comes next!
Efficient Microservices Deployment in the Cloud
Cloud ComputingData Science Deploying microservices in the cloud requires efficiency in data sharing and separation of functionality. Having multiple microservices, written in various programming languages, is a challenging task, not only for deployment but also for management in terms of performance, reliability and fault tolerance. This talk will address those challenges and provide solutions using the Hazelcast open source platform.
Emulating a Game Boy in .NET 6
.NET In 1989, Nintendo released their first handheld console with cartridges, the Game Boy, which sold over 100 million of units. This device has been the inspiration for game developers around the world to start creating games.
Enter the world of emulation, where the Game Boy is now available as a .NET 6 project. Want to know more about how to emulate a CPU, graphical unit and more? Let's dive into dusty hardware manuals and C# code!
Equational reasoning
Architecture & Design Patterns The never-ending stream of new things to learn makes it difficult to stay relevant in the market. We know there are no silver bullets, but what about a way to gain a deeper understanding and knowledge which does not expire? Forget about just writing code - enter the world of equational reasoning, where things are represented by functions and transformations. There is a reason this industry is called Information Technology.
Event Sourcing, a primer
Architecture & Design Patterns In this talk, we'll see what Event Sourcing is and we'll see how it can be combined with Domain Driven Design in a practical scenario. We'll also see different implementations using on-premise and cloud infrastructure
Evolution & Future of Software Testing
Tests & QualityMachine Learning After a review of the improvements embraced in Software testing, finally we will talk about integration of Machine Learning. Lets see how we can use ML and optimize software testing processes.

We will study the enhancements under basic headlines: (1) Waterfall to Agile, (2) Manual to Automated Testing, (3) Big Releases to Continuous Testing and (4) Leveraging ML in Testing (in all stages: Definition, Implementation, Execution, Maintenance).
Frontend Microservices: Unravelling Spaghetti Code
Architecture & Design PatternsJavaScript Microfrontends are the "microservices" of the frontend world. They enable web apps to be divided into separate modules and thus scale to many developers. While the backend has consensus on how to architect microservices, the frontend is still in the experimentation phase. I will describe how Roundforest does microfrontends, in a way that translates microservices to a natural and logical frontend architecture that makes sense on the web.
Getting the most out of Xdebug 3
PHP In this talk I explain how to use Xdebug to get more productive writing PHP code, focussing on the improvements in Xdebug 3.1 and 3.2, to make the debugging experience better and easier to set-up.

Beyond that, this session also goes through a few complicated scenarios that are harder to debug, and shows solutions to these conundrums.
Give your build some love, it will give it back!
Java & JVM languagesTests & Quality For all JVM builds - you will learn how to organize the construction of your software whether a mono repository or several repos. Build logic will be reusable, convention-based, and with code quality and testing.
We'll also see how Configuration Cache helps speed up local development by starting tasks running immediately. You will learn how it works and what constraints it imposes, in alignment with idiomatic recommendations.
Growing the PHP Core - One Test at a Time
PHPTests & Quality I am a PHP core contributor and you can be too! You think you need to create a RFC for this or write and maintain a PHP extension or even write C code? Fear no more!
In this talk you will learn how you can become a PHP core contributor and give something back to the community by writing tests for PHP core without writing a single line of C code.
Hands on with Jest
JavaScriptTests & Quality Jest is a JavaScript Testing Framework with a focus on simplicity designed to delight developers. Set up is easy, the API is great and well documented, yet we’ve all seen tests written for code coverage rather than functionality. Let's look at how to do it right with some live coding.
Honey, I shrunk the Container!
DevOpsSecurity The idea of isolating services into containers revolutionized the IT world. And while containers are here to stay, most container images in use today are gigantic in size, contain unnecessary even dangerous components or generally are shipping a lot of bloat. And with that killing the very idea of containerization.

Shall we put our containers on a diet, avoid security problems, and, while doing so, even reduce build times? This talk shows how!
Horizontal Autoscaling with Kubernetes
DevOps Now that the app is running in Kubernetes, how do we scale it to meet demand? What metric should we use? CPU? Requests? something else? Let's dig into why we auto-scale, and how we auto-scale with lots of examples. Finally we'll look at potential pitfalls and gotchas like how to scale to 0 and how to avoid scaling too big for your budget. Come learn how to scale with Kubernetes.
How to Be a Responsible Open Source Citizen
Have you ever worked on a project that didn't use any open source tools, libraries, or products? Using open source has been such an integral part of our daily work life that we don't even think about it. We just expect it to be available, secure, stable, and bug-free.

But how many of you are actually contributing back to an open source project? In this session, I will go through some aspects of being a responsible open source citizen.
How to build GREAT tests
Tests & Quality Your tests may be good. But they could be better!

When production code has tests, they are often hard to read. They also get in your way when you want to refactor code. Sometimes, you have false positives. Often, they are flaky…

In this talk, we will show you real-world examples of tests that have been improved. We will cover a few techniques you can re-use at work to improve the quality of your own tests!
How to Design a Kafka Architecture Resilient to Cloud Outage
Cloud ComputingDatabases Architecting a perfect resilient Kubernetes based Kafka deployment requires careful consideration of several edge case scenarios.
In this session, you will learn about :
Successful disaster recovery strategies in Kafka ecosystem like Active-active, Active-passive replication, multi regional stretched clusters etc.,
* How some of these DR techniques evolve, when Kubernetes is the chosen deployment platform
* Related Automation or CI/CD tools
How to optimize background processes? Sylius meets Blackfire
PerformancePHP With the recent Sylius release v1.11, we've introduced a brand new feature - catalog promotions. As this feature may require processing a significant amount of data(the whole product catalog), we had to decide on async processing by default. But it does not mean that we can waste resources and not optimize the processing algorithm! We had to improve it and to do that we've been using Blackfire.
How To Use CSS Animations And Stay Performant
HTML & CSSPerformance Let's dive into the browser's run-time render process, examine each frame, understand what's a repaint, what causes a reflow, and how (and why) to avoid them. Learn how CSS properties affect the render process, and how to harness the GPU and run clear 60 fps animations (2D and 3D) using hardware acceleration.
HTTP headers that will make your website go faster
DevOpsPerformance There are lots of caching solutions out there, each with their own specific features and implementation.

However, HTTP already has conventional caching mechanisms that are built into the protocol.

We'll talk about TTL control, cache variations, conditional requests, stale data, revalidation, error handling, surrogate control, HTTP placeholders, range requests and many other performance techniques that will make your website go faster.
Individual Transforms: the Good, the Bad, and the Ugly
HTML & CSS There's a lot of fuss these days about the new (level 2) transforms, specifically about individual transforms. In this session we'll see some of the great quick wins and cool new things we can now do (the good), understand the limits and constraints of individual transforms with live examples, reviewing cases where you shouldn't use them, or just can't (the bad), and talk about the syntex (the ugly).
Introduction to Vitess, sharding framework for MySQL
Cloud ComputingDatabases Vitess (vitess.io) is a framework built on top of MySQL for horizontally scaling MySQL. It was designed at Google for scaling YouTube through hyper-growth and has since then been release to Cloud Native Compute Foundation (CNCF) were it is considered a "graduated project".

I will guide you through the basic architecture and the most important components and features.
IoT, JavaScript, and Beer Brewing: Cheers to That!
DatabasesJavaScript Beer brewing can be fun, but combining brewing with IoT device hacking is even more fun. It is possible to connect and collect data about almost anything, including the fermentation process inside a closed fermenter using open source technologies. In this presentation, the speaker will introduce basic concepts of IoT devices, how to collect the data efficiently and how to use various tools to store, extract and manipulate that data.
Isn’t Test Automation a Silver Bullet?
Tests & Quality Like testing is an essential part of software development lifecycle, automation is an non-negligible part of testing. It has great benefits and sounds like it is a silver bullet. But is it? I will discuss the most common pitfalls of test automation, by giving rel life examples for each of them.

We will see 10 difficulties along with 10 solutions against them. I will share what kind of challenges I encountered and how coped with them.
It's new, it's shiny, it's... email?
NetworksSecurity Email has been around forever and is taken for granted – but it has become more complicated recently. New features like SPF, DKIM, and DMARC are misunderstood and many get even simple things wrong. Email is radically different to most other protocols, and attempts to treat it like HTTP are doomed to failure.
So we'll go back to basics, review how email works, avoid common mistakes, take advantage of new features, and stay out of the spam folder.
Jakarta EE 10 - Simplicity for Modern and Lighweight Cloud
Cloud ComputingJava & JVM languages Jakarta EE 10 is packed with new features for simple development of modern, lightweight enterprise Java applications for the Cloud. The new Jakarta EE Core Profile enables developers to develop microservices with Jakarta EE technologies with runtimes smaller than ever.

In this session, we will explore the new features of Jakarta EE 10 in an interactive way packed with live code demos. We will take a peek at what to expect from Jakarta EE 11.
Java Virtual Threads to Deliver Improved Throughput
Java & JVM languages Project Loom introduces virtual threads, lightweight threads that aim to dramatically reduce the effort of writing, maintaining, and monitoring high-throughput concurrent applications on the Java platform.

This talk will explore what virtual threads are, how they are implemented,. how they solve our modern problems, and what, if any, shortcomings there may be.
Known Java APIs, Unknown Performance impact!
Java & JVM languagesPerformance There are certain Java APIs that we use in our everyday programming. However, we may not be aware of their notorious performance side effects. In this session, we are going to discuss a few common Java APIs and their performance impact on your application.
Kubernetes from 0 to production in 60 minutes
Cloud ComputingDevOps Kubernetes makes it easy and reliable to deploy and run your services. But just deploying your web application is not enough in order to run it in a highly available and reliable way. You also need to care about databases, backups, monitoring, alerting, tracing, log management, security, DNS, load-balancing, TLS certificates, CI/CD pipelines, deployment strategies.
In this talk I'll show live, how you can set all of this up within 60 minutes.
La magie de Spring : comment voir derrière l'illusion
Java & JVM languages On ne croit pas si bien dire quand on parle de Spring comme étant de la magie. En effet, tout comme un tour de magie, dès qu'on connaît le truc, l'illusion s'efface et on comprend mieux ce que nos yeux voient. Dans cette présentation, je tâcherai de démystifier le fonctionnement du Spring Framework et de Spring Boot en abordant des éléments comme : Bean Lifecycle, ApplicationContext, BeanFactory, BeanPostProcessor, proxying et autoconfiguration.
La qualité de vie au travail: un enjeu de performance
Management Cette conférence traite des outils et des meilleures pratiques pour comprendre et améliorer sa qualité de vie au travail et celle de son équipe. Pourquoi? Les organisations qui privilégient la qualité de vie au travail réalisent des bénéfices jusqu’à 2,5 fois supérieurs. Elles améliorent la satisfaction de leur personnel, leur attractivité, leur taux de rétention et de mobilisation de leur personnel et diminuent l'absentéisme.
Learn about Node's new built-in test runner
JavaScriptTests & Quality Jest, Mocha, Ava, and other Node test runners long dominated the unit testing. Now Node.js has released its own experimental unit testing framework. Learn how it compares to other test runners, which interesting features it provides, and if you should rewrite your tests to switch to the built-in "test" module.
Learn Cypress React component testing by playing Sudoku
JavaScriptTests & Quality When developers see Cypress component testing, their eyes light up. You see the component running right in your browser, you have all your debugging tools, and you can gain full confidence in how the component is working. In this talk, I will show how component tests can verify that a React Sudoku application is implemented correctly. The same testing approach can also work for Angular, Vue, and Svelte component testing.
Learning the Language of HTTP for a Better Data Experience
Networks You know you have to have a great experience when developing your applications — the most exceptional experience you can give your users centers around their data. There are ways to improve your APIs and applications. See why you should know the language of HTTP before developing your REST APIs and the mobile and other apps that consume them. You will be a Data Experience Expert when you leave the room after this informative session.
Les récits d'un développeur Web3
BlockchainWeb3 Chez Mirego, nous avons débuté le développement Web3 il y a un peu plus d'un an sur un projet de finance décentralisée. Sous une forme de récit, d'humour et de code, vous apprendrez comment structurer votre architecture de système, comment connecter votre backend sur le blockchain, comment maintenir et faire évoluer un écosystème de smart contract dans un cycle de développement et bien plus.
Managing expectations for open source
Career Open source is an amazing phenomenon, but it's hard on maintainers who have to deal with perpetual demands from a sometimes hostile and even abusive user base.
What can maintainers do to help manage this? How can users make it easier for maintainers to help them, and how can they contribute to the open source ecosystem?
We'll talk about tools, techniques, and strategies for reducing maintainer stress, and raising incentives to keep delivering.
May I interest you in ... R?
Data ScienceMachine Learning One of the reasons we love visiting conferences is to hear and learn something new. So, why not learn something brand new? Why not learn a bit or two about ... R language?

R makes Data Science and Machine learning a breeze! And it has a loving community built around it.

This talk will make you fall in love with it! Guaranteed!
Measure carbon emissions of ML projects, in python
Machine LearningPython The environmental cost of ML has been increasing in recent years, due to its ever-increasing adoption in many software applications, as well as their size and complexity. Many parameters impact the carbon cost of a python program, such as the hardware used and the location of its execution. In this talk, we present the internals of Code Carbon, a library developed to better estimate the impact of ML projects, throughout their global life cycle.
Memory Patterns to predict production outages
DevOpsPerformance It's not just stock market charts that have patterns. Your application memory also has patterns. In this session, you are going to learn 6 unique memory patterns. Using these patterns, you can *predict* application outages well in advance and also optimize the application's performance.
Micro-Frontends with Webpack Module Federation in practice.
JavaScriptUX & UI Last year Webpack introduced module federation which can help you slice up your UI into multiple applications using the micro-frontend architecture, but should you use it?

Come to learn about when the micro frontend architecture should be leveraged and how module federation can help you with your implementation. Along the way, you will hear about the lessons learned from having it in production for more than one year at AppDirect.
Mixed Reality for javascript devs
HTML & CSSJavaScriptVirtual Reality Mixed Reality features are available on the web by the use of WebXR. Experience virtual reality (VR) and augmented reality (AR) content in a compatible WebXR-enabled browser. Attend this session and leverage the power of JavaScript and web skills to create more engaging Mixed Reality experiences. We will look at popular open-source AR/VR JavaScript libraries available to get started.
Multiprocess PHP Containers with S6 Overlay
Cloud ComputingPHP In the pre-container era, the most common way of running PHP applications was with Nginx + PHP-FPM, with containers this is harder as you need two processes: Nginx and PHP-FPM.

S6 Overlay can help to manage multi-process applications in a container - it takes the burden of security aspects, signal handling, configuration and log management off your shoulders & make your code more readable!
My Five Biggest Database Blunders
Databases Database mistakes are easy to make. Join us and learn from mine! From poor schema design to lock contention and botched migrations, you'll learn about database traps and how not to fall into them. You'll learn where databases are the best choice and where they aren't and how to fix mistakes early so they don't haunt you forever. Whether you're a beginner or an experienced DBA, hearing about my missteps will help keep you on the safe path.
MySQL backup solutions in 2023
DatabasesDevOps Backups are important! Everyone makes mistakes, bugs are easily overlooked, hardware will fail eventually. If you don't want to lose data when disaster strikes, your backups will be your saviour. In this talk I will guide you through some of the most common backup techniques for MySQL that we use in 2023. I will explain the strengths and weaknesses of each solution.
MySQL, JSON, & You: Perfect Together
Databases In this session, we discuss storing JSON in our database and how the tools in MySQL can make that task a bit easier. We will start with a discussion of why you might want to store data as JSON. We will then demonstrate how you can store/update/retrieve JSON data stored in a relational database table. Lastly, we talk about how we can use relational data as JSON and vice versa.
Ne subissez plus votre dette technique
DevOpsTests & Quality Vous livrez des bugs dès que vous touchez au code? Vous êtes stressés lorsque vous livrez en production? Vous subissez certainement votre dette technique. Mais qu'est-ce que la dette technique? Quels en sont les impacts? Comment l'éviter et minimiser le temps à investir dessus? Vous découvrirez des clefs pour mieux gérer votre dette technique. Avec notamment des outils comme Renovate ou Openrewrite.
Open Source Databases Strategies that Shape Business in 2023
DatabasesDevOps 2022 was an exciting year in the open source database industry, with more choice, more cloud, and key changes in the industry. We will dive into the key developments over 2022 and new ones of 2023, including the most important open-source database software releases in general, the significance of cloud-native solutions in a multi-vendor, multi-cloud world, the new criticality of security challenges, and the evolution of the open source industry.
Open Source Maturity models: Is that Project Ready for You?
DevOps Open source projects are often driven by the need to scratch a software itch. But while innovative, exciting and available, they may not be ready for prime-time, especially in your applications. You should consider the impact of using just any project in your code or environment. That’s where tools such as maturity models can help you understand the risk/reward of projects from different dimensions like stability, activity and support.
Optimize deployment with a Continuous Observability Strategy
Performance Improving application performance isn’t just about providing more resources. What's needed is a strategy that connects production monitoring to tools that identify bottlenecks and enforce performance expectations continuously.
This talk will show how Blackfire.io makes it possible to better understand performance, enforce a performance budget on revisions, and make the environmental impact of development a measurable and optimizable objective.
Où en est PHP en 2023
PHP PHP propulse une grande partie du web mondial depuis 20 ans. Il est même le principal langage de beaucoup d'entreprises de la French Tech. Nous allons nous intéresser à sa dualité : capable de créer facilement une page web dynamique mais aussi construire une application complexe avec des enjeux de performances et de fiabilités. Je vous propose un tour d'horizon du langage, de son évolution, de ses principaux frameworks et de son écosystème.
Patterns for distributed transactions, a quick introduction
Architecture & Design Patterns In this talk, we'll see some of the common patterns used to address distributed transactions. We will address the pros and cons and learn some of their frequent use cases.
Patterns for Streaming Data Pipelines
Architecture & Design Patterns What's the best way to make two apps communicate? How do you split one big app into two smaller ones? How do you switch from a single app to a constellation of services? Event streaming provides the most robust answer. Simple but powerful Kafka streams unlock a world of capabilities with their durability and consistency, but integrating with applications poses challenges. Join us and learn the streaming data patterns you need for your system.
Performance Optimizations for Progressive Web Apps
JavaScript Struggling to get your website to load in less than 5 seconds on a mobile phone? Switching pages are a little sluggish? You’re not alone! Most web developers can build a responsive site, but fail to meet performance requirements for mobile. Using the latest PRPL pattern and Progressive Web API’s, you can provide a compelling alternative to native apps, as long as performance remains your top feature.
Performance Testing Java Applications
Java & JVM languagesPerformance Every so often, you’ll read a performance benchmark (of a Java or other application), with bold claims for how well X performs compared to Y. Testing the performance of your Java application is an artform rather than engineering, and is a minefield of misconceptions, misunderstanding, and misinformation. In this session, we will review the basics and give you concrete steps to build a robust performance testbed for your application.
PostgreSQL hidden gems
DatabasesPerformance While PostgreSQL is a mature database, it packs a punch when it comes to features. This is a talk to talk about various features of PostgreSQL like.
* Crosstab queries (Pivot Table)
* Window functions
* JSON operations
* Full text search queries
* Row level security
Predicting the future (of equipment) using ML.NET
.NETMachine Learning Predicting the future is not easy! Forecasting peak operating conditions and avoiding unexpected equipment breakdown is possible, that's the goal of Predictive Maintenance. Attend this session and learn how to train a machine learning model in Visual Studio with ML.NET Model Builder, and build an app that uses the model. Fair warning - I cannot predict how live demos would go. I will do my best.
Productive++: How to Fast Forward Your Dev Career
Career The developers' productivity has a big impact on all aspects of their professional life and career and even on their happiness. But what does productivity really mean? How can you keep getting more productive in your lifelong developer's journey - and keep coming closer to the mythical "10x developer"?
In this session, you will learn a bunch of experience-based techniques, tools, and tips in five different areas for improving your productivity.
Project FINO: Failure Is No Option, Resilient cloud design
Architecture & Design PatternsCloud Computing Everyone does Azure (or cloud in general) Unfortunately most of the projects encountered are not using the resilience or HA design features they need or can be provided by Cloud Platforms. This session provides guidance on resilient approaches, patterns & practices and discusses design for failure, specifically targeted at the Microsoft Azure Cloud Platform (but applicable to other cloud platforms as well )
Property-based testing with fast-check
JavaScriptTests & Quality Do you know what the functional properties of your system are? Do you know how to verify them? In this presentation, we'll show how Property-Based Testing can augment unit tests by offering a much wider coverage of possible inputs. We'll also demonstrate how fast-check, a framework for TypeScript, helps us guarantee that our main business objects remain in a predictable state.
Protect against unknown security vulnerabilities
DevOpsSecurity Kubernetes makes it easy to deploy, manage and monitor your cloud native applications. Security can be a challenge in such a dynamic, containerised environment, though. Ensuring that your containers are not containing vulnerabilities is vital throughout the complete supply chain, from development and CI through deployment and admission controls to security at runtime.
In this talk you will see how you can secure you containers.
Rapid prototyping with the help of Docker
HTML & CSSJavaScript Imagine you have a web application and you want anyone in the company, or a 3rd party contractor, to be able to quickly prototype new view layouts or different UI frameworks. You want them to be able to get up and running quickly. You don't want them cloning the source code, setting up databases, working with configuration files, and so on. In this talk, you'll hear how Docker is being used by Dovico to speed up development of Timesheet.
Redis, ce n'est pas que pour le cache
Databases Redis sait faire bien plus que du stockage clé/valeur simple.
Grâce à des structures de données évoluées et a ses performances hors du commun,
il devient un allié très puissant à ajouter dans sa stack préférée.

A travers une série d'exemples, des trucs & astuces, nous verrons comment
utiliser Red
Reintroducing DNS
DevOpsNetworks DNS is one of the few systems that we, developers, use everyday, regardless of our technical stack. On the other hand, it is probably one of the most widespread systems of which we only know the surface.

In this talk, we’ll dive into DNS core principles using tools that allow us to explore and learn about how it *really* works. We’ll also take a look at a few implementations and use cases for DNS that have become popular in the latest years.
Rendre l'authentication bien à nouveau
DevOpsSecurity Aussi commun que cela puisse paraître, presque chaque entreprise met en œuvre l'authentification d'une manière différente (souvent complexe). Dans cette session, nous aurons un aperçu des multiples méthodes classiques d'authentification et verrons comment nous pouvons la moderniser en utilisant un projet open source.
Rest in Peace, Cross-Site Scripting
JavaScriptSecurity Since almost 25 years, Cross-site scripting (XSS) is one of the most common risks for web application. Yet today, there are many ways to protect a web application from the attack: browser features, HTTP headers, and special APIs. This talk first discusses why XSS is dangerous at all and then covers countermeasures: Content Security Policy, Trusted Types API, and protection in SPA frameworks. After this talk, there's (almost) no excuse to get XSS.
Safety thinking and safety science: a primer
DevOpsManagement How we look at incidents, risks & safety is changing, both in- and outside our industry. And there is a lot of exciting research done in the field of safety science.

This talk will give an introductory overview of topics like Safety I & Safety II, systems thinking, human error & human factors, resilience engineering and adaptive organizations, as well as a series of literature tips to continue your learning journey.
Sauver la planète grâce à Pytorch
Artificial IntelligencePython Saviez-vous qu’au Canada, 58 % de la nourriture produite est gaspillée ou perdue? Pourtant, des technologies comme l’intelligence artificielle pourraient permettre de nettement réduire ces pertes. Découvrez comment Patates Dolbec a utilisé un modèle de classification PyTorch pour déterminer la qualité de leurs pommes de terre, évitant ainsi le gaspillage de plus de 500 000 livres de patates par année!
Saving Lives with SignalR and .NET
Architecture & Design Patterns.NET There are countless conversations about performance. How many requests per second can a web app handle? What's the average response time of a request? For the most part, all of these are vanity metrics.



This session will discuss the architecture and strategy for a real-ti
Scaling Real-time Machine Learning made Easy
Cloud ComputingMachine Learning Deploying real-time machine learning models has its own challenges: such as complexity, scalability and performance. In this seminar, Fawaz will address those challenges and demonstrate the best practices for real-time machine learning models, written in Python, Java or using remote services, from training to inference and deployment with ultra-low latency at scale and at speed, using the Hazelcast platform.
Securing Serverless Applications on AWS
Cloud ComputingSecurity This session explores how to think about security from the front to the back of a typical serverless application. How do you configure AWS serverless services to provide least-privileged access while ensuring functionality? How should you think about managing IAM policies for your AWS Lambda functions? We cover all this and more, leaving you with concrete examples applicable to almost any workload.
Securing Your Software Supply Chain
JavaScriptSecurity The software supply chain is under constant attack & threat actors look to profiteer off the cracks in its foundation. The JavaScript ecosystem is at the heart of this problem & much of the fear, uncertainty & doubt that are becoming normalized. New exciting tools & innovations that combat these problems are right around the corner. Learn more about the current state & future of security in the JavaScript ecosystem & how to protect yourself today
Sécurisez l'accès à vos applications avec Keycloak
Architecture & Design PatternsSecurity Boite à outils complète pour implémenter des processus d'authentification fluides et sécurisés, Keycloak permet de gérer simplement les identités et l'accès à vos applications de bout en bout.
En quelques actions, vos applications supporteront le SSO, l'authentification multifacteur, la fédération d'identités, la gestion de compte et même le consentement utilisateur.
A tous ceux qui souhaitent améliorer la sécurité et l'UX : rejoignez-nous !
Serverless testing is NOT hard
Cloud ComputingTests & Quality - "I don't use AWS Lambda because it's hard to test"
- "I'm mocking S3 so it's not a real test"
- "The feedback loop is terrible, the developer experience is awful"

Well well well, that's not true!

In this presentation, we will address those common beliefs by providing production ready examples.
Should You React?
JavaScript The React JavaScript library's popularity is skyrocketing. But should you dive into yet another library? Well.. your front-end developing fun could level up because for me React is the most productive JavaScript library ever.
We're going to take the practical path. I'll show you how to build a React app step by step. In that way I'm covering all you need to know to get started. At the end of the session you'll be the judge if you should React.
Solving Common Web Component Problems with SSR
HTML & CSSJavaScript Web Components are excellent for building framework-agnostic reusable elements that must be shared publicly or reused across multiple projects. However, developers run into common issues, including the dreaded flash of unstyled content (FOUC) or Shadow DOM breaking native forms. In this talk, I'll describe how to solve these issues by avoiding common Web Component pitfalls while server-side rendering.
Tales from the trenches: Building a web / mobile hybrid
.NETMobile Last year we have build an application for web and mobile using as much code sharing as possible between Xamarin Forms and Blazor. Come learn about our successes, our failures and how different things would've been if MAUI had been released a year earlier.
Testing microservice, a story of contract and collaboration
DevOpsTests & Quality Our natural approach to microservice testing is with all services integrated during the testing phase. This mindset is opposed to the essence of microservices, independently deployable units.

During this presentation, we will go through an emerging testing technique that reduces our need to integrate service before deploying into production, contract testing with a collaboration flow between teams.
The Age of Micro Frontends
Architecture & Design Patterns With 2 major web technology advancements, container queries and the decoupling of module federation from webpack, Micro Frontends architecture about to become as ubiquitous and mainstream as microservices. So what do you need to know? What are the pitfalls and tradeoffs, and what can you do to introduce Micro Frontends to your web application architecture?
The future is now: Replacing Docker with Podman
Cloud ComputingDevOps Docker made containerization popular and lead the way to what many see as modern DevOps. But today Docker is far from the only or even best means to run your containers! This talk will introduce you to podman, the Docker alternative that does not require you to sacrifice security, offers best in class Systemd integration and even plays nicely with kubernetes. Are you ready to have a look?
The future of Artificial Intelligence is contrastive
Artificial IntelligenceMachine Learning Applying AI to real world problems in a supervised fashion requires large set of data covering all aspects of the problem we are solving. In reality, it’s impossible to build such dataset thus giving our model limited understanding of the problem leading to absurd predictions. The solution is Contrastive Learning which learns similarities and differences by contrasting samples against each other therefore limiting the need for human supervision.
The Machines are rising
SecurityArtificial Intelligence Artificial Intelligence is advancing quickly and brings with it some promising applications, but also some scary prospects. Let's talk about some of the security implications, get a better understanding of Adversarial AI, and also look at some of the truly cool things you can do in ChatGPT to improve security.
The Node.js Runtime Renaissance
JavaScript Last year was an exciting year for Node.js developers, with the arrival of refreshed competition the Node.js runtime has seen many new features landing under a renewed focus on developer experience. Learn more about what's new and how to use these new features today.
The Other Kind of Staff Software Engineer
Career Staff and line are names given to different types of functions in organizations in business literature. A staff engineer under this definition is not a title, but a developer who works in a supporting role. In this talk, I'll explain how the distinction between line and staff can help you understand promotions, skillset development, and help chart your career progression.
The Proximity Problem
Security Every wondered why you are eager to fix some issues and some leave you cold. Every pondered how your brain can affect the security of the software you build? Then this is the talk for you.

In this talk we will look at 4 human behaviours, the psychology behind them and how they affect our ability to protect what matters most. Finally, giving you some tactics to trick your brain and improve security on the way.
The shiny new bits of .NET 7
.NET .NET 7 is here! Together with .NET 6 it has been some very exciting releases. Let's dive into some C# 11 goodness, explore the breaking changes, new additions to LINQ, MAUI and much more!
The technical aspects of i18n and l10n
Architecture & Design PatternsPHP Localization and Internationalization are two core concepts to create sites and applications for international users. But the underlying technical challenges and concepts are worth taking a closer look. Like those different locale-strings. Or the differences between language, countries and dialects. And how do they influence the way dates or numbers are formatted? Let's unravel those mysteries to build sites that can truly be international.
Typed JavaScript? For real? The “type annotations” proposal
JavaScript A major earthquake has hit TC39, the JavaScript standards committee. A proposal for adding type annotations to JavaScript has just been approved for Stage 1. What is this proposal all about? How did it come to be? What is the motivation behind it? What are its pros and cons? Why are some people excited about it, some wary, some angry, and some afraid? As one of the writers of this proposal, I will delve try and answer all the questions above.
Types at the edge of your system
Architecture & Design PatternsJavaScript Coding with static types feels safe, the compiler has your back.

But today, you got a critical issue in prod: payments are failing! A quick check of the logs left you puzzled: TypeError: discount.toFixed is not a function. Wait... Isn't discount supposed to be a number here? How did that happen? Why didn't the compiler catch it before?! Worry no more.

I'll show you where your blind spots are, and a simple way for you to fix them.
Typing your way into safety
SecurityPython I've been working with Python typing annotation in the last few years as part of our main product and I've always been curious about how it can be pushed to prevent errors.

Mypy quickly shows value by catching these unexpected `None`, but can we do even better? This presentation explores how advanced features of python typing can be used to prevent insecure use of API leading to common injection attacks.
Using JS State Machines to fight monsters
JavaScript Finite State Machines are a powerful tool used to fight complexity in software.

In this talk we will explore how to use State Machines in JavaScript to make our code more readable and maintainable, while we refactor a simple game where awesome battle robots fight horrible monsters from the deep.
Web Accessibility Myths Buster
Accessibility Accessibility is a nice to have feature. Accessibility is hard to implement. Accessibility benefits few people. Those are some of many myths out there about Web Accessibility. In this session, we will bust these myths, and more. I will share facts and examples to answers your questions and give you the info you might need to plan for an accessible and inclusive product.
Web3 Programming for the Blockchain Challenged
JavaScriptWeb3 Web3 programming is building applications that interact with a blockchain. Fortunately for us, it requires very little understanding of blockchains and no understanding of Rust or Solidity. Learn how to build a functioning Web3 application in under an hour with open source libraries and some JavaScript. Start your journey into Web3 programming today!
What Makes A Great Software Engineer?
CareerArtificial Intelligence Is it your technical skills, your expertise, your social soft skills or your teamwork that make you a great software engineer? The next decade might completely change the perspective considering all significant progress that has been made in the machine learning field. So will the future of software engineers depend on our ability to describe a problem for a machine? Does it mean that we need to think differently about our team and expertise?
What the heck is a WSGI or Middlewares in Python
Python The Python Web Server Gateway Interface, or WSGI, is the underlying core protocol that drives the majority of Python web development. Understanding how it works and being able to work with it can be a critical skill that you can apply to extending Flask and Django web applications. We'll dive into the specification just enough to build out a simple web application and then put one of the pieces into a Flask web app.
What we've learned designing new Sylius API
Architecture & Design PatternsNetworks Sylius and API Platform integration is the project that we started in early 2020. Since then, we were working hard designing, delivering and adjusting our new API. We've learned a lot and during my presentation, I would like to share our findings. During my talk, you may expect answers to following questions: How to design more complicated flows in API? Why did we design our API this way? What were our heuristics and what did we achieve?
What will go wrong with your AI models
Artificial IntelligenceMachine Learning We all know that developing and training an artificial intelligence model is quite the challenge in itself, but when it comes to actually deploying it within a company, it seems to open the door to a whole new set of problems.


In this conference, Alexis Fortin-Côté wishes to demystify the different scenarios and obstacles that can be encountered when putting an AI model to use in specific contexts.
What's New in ASP.NET Core 7 and Blazor 7
.NET On November 8, 2022 .NET 7 was released. As a part of this new version with 1.5 years of support, the web frameworks ASP.NET Core and Blazor were updated. This session will showcase the major new features that were added, including many live demos. Especially when currently using .NET 6, an upgrade to .NET 7 is optional, so you should know whether the new possibilities are worth the migration.
What's new in PHP 8.1 and 8.2
PHP In this presentation we'll have a look at the new features added in PHP 8.1 and 8.2.

We'll have a look at how the type system is strengthened with Enumerations and "never", Fibers, a new closure syntax, the First Class Callable Syntax, intersection and disjunctive normal form types, readonly classes, and other smaller features.

At the end you will have a good understanding about all the exciting new features that are new in PHP 8.1 and 8.2.
When UTC is the answer...
Architecture & Design PatternsPHP … you might have asked the wrong question. In this session we will take a look at time and its oddities. And determine whether the all-time favourite "Use UTC" actually is a good option in each and every case. And if that should not be the case, what other options we have at hands to handle time in our code and in databases.
Why openAI is changing the future of AI?
Artificial IntelligenceMachine Learning What if I told you that in just the last 2 years, AIs have learned to: write in Shakespeare's style; write code and refactor it; and generate any images you can imagine in just few seconds!

In this talk, I'll look at the milestones that allowed openAI to achieve such incredible results and what this new generation of AI is capable of
Will chatGPT take your job? The rise of conversational AIs
Artificial IntelligenceMachine Learning Do you want the good or the bad news first? End of last year OpenAI took everyone by surprise by releasing chatGPT. Microsoft, Meta and Google are now doubling down on AI chat-driven systems. Are you ready?

In this keynote, we'll explore the current and potential uses of multimodal conversational AIs. Let’s take a deep dive into this fascinating technology and consider what it means for our future as Developers.
Your code on the Fastlane: catch up with everyone
Java & JVM languages Moving your project to the latest Java can mean faster code, cheaper cloud bills, and many more. Up to 25% of heap memory can be saved just by using Java 11. Plus, if you write your code to the latest Java, it will become clearer, concise, and easy to read, which means less chance to produce bugs.

In this short talk, I will demonstrate a few small and easy steps to upgrade your knowledge and Java code to the latest version.
Your JavaScript Is So 2015
JavaScript Are you still using `var`? And what about Object.assign()? JavaScript underwent a major revolution in 2015 with the new ECMAScript standard, more commonly known as ES6. Since then, there have been a plethora of changes to the language. A new release is announced every year with new features and operators. Did you keep up with all of them? In this talk, the speaker will look back at JavaScript from back then and show the modern way of doing JS.

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