Java

GeeCON 2025: Mads Opheim - How 15 years in politic...

youtube.com 1 miesiąc temu I've spent countless hours the last 15 years on politics. My claim is that it has made me a better programmer. Let me tell you how. any of the topics I'll go through: How a proof of concept sticks...

GeeCON 2025: Loic Magnette - Bridging the Gap: Ful...

youtube.com 1 miesiąc temu Working on web projects frequently means dealing with 2 separate environments —one for the backend and another for the frontend —each with its own ecosystem. Developers frequently encounter issues erstwhile dealing with their counterparts' ecosys...

GeeCON 2025: Tomasz Manugiewicz - The powerful car...

youtube.com 1 miesiąc temu Stephen Hawking utilized to say that quiet people have the loudest minds. Do you agree? I do and I do think that your impact is immeasurable. Let's think through it together and reflect on the strategies how to make...

ASCII to Unicode, what can possibly go wrong? • Ad...

youtube.com 1 miesiąc temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 What is simply a character? What does "the dimension of a string" mean? How can I combine different scripts in 1 text? In the days of ASCII, the answers to these questio...

Beginner's guide to observability • Michał Niczypo...

youtube.com 1 miesiąc temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 In this talk, I will go over different types of observability tools - logs, metrics, traces and events - and show how they can be applied in day-to-day work. Throughout th...

Attacking the supply chain - The miscreant's field...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 Take a step into the planet of black hat hacking groups and follow them step by step through a supply chain attack. Software supply chain attacks have become alarmingly m...

GeeCON 2025: Marcin Chrost - Stream Gatherers - le...

youtube.com 2 miesięcy temu The concept of Stream Gatherers introduced as a permanent feature in JDK 24 naturally complements what was missing in the Java Stream API and is the biggest revolution in this area since JDK 8. It is so worth familiarizing...

GeeCON 2025: Mete Atamel - Avoid common LLM pitfal...

youtube.com 2 miesięcy temu It’s easy to make content with a Large Language Model (LLM), but the output frequently suffers from hallucinations (fake content), outdated information (not based on the latest data), and reliance on public data only (no private data). Additionally...

Lessons Learned from the 737 Max • Ken Sipe • Devo...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 There were 2 fatal crashes of the Boeing 737 Max in the fall of 2018 and spring of 2019 grounding the airplane world-wide and begging the question why? In the end, it com...

Coding Fast & Slow: Applying Kahneman's Laws to Im...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 Embark on an breathtaking journey into the intersection of psychology, software development, and Developer Productivity Engineering (DPE) as we research how Nobel laurea...

A million orange sticky notes later • Alberto Bran...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 It started from frustration; it turned into a small experimentation that sparked a community of explorers. It branched into different formats, becoming an incredibly ver...

GeeCON 2025: Krzysztof Dębski - Collaborate with A...

youtube.com 2 miesięcy temu In this talk, we'll walk you through the process of building your first multi-agent system. We'll look at how autonomous agents can work together, collaborate, and be supervised to accomplish complex goals. We’ll discuss the applicable aspects of b...

GeeCON 2025: Bazlur Rahman , Syed M Shaaf - Java+L...

youtube.com 2 miesięcy temu AI is revolutionizing the software landscape. However, for many Java developers, integrating these powerful AI tools into existing enterprise applications or a fresh 1 can feel daunting. In this hands-on session, we'll demystify the process and sho...

Toruń JUG #83 - "Stop Making The Machine That Goes...

youtube.com 2 miesięcy temu "Stop Making The Machine That Goes 'Ping'! – Jak uwolnić zespół z pułapki maintenance’u" Maintenance pochłania w wielu organizacjach 40-75% czasu zespołów developerskich, skutecznie blokując dostarczanie nowych funkcjonalności. Problem narasta latami...

Toruń JUG #83 - "Sekrety System Design Interview" ...

youtube.com 2 miesięcy temu "Sekrety System Design Interview – zaprojektuj swój sukces w rozmowie rekrutacyjnej" System Design Interview staje się coraz częstszym elementem rozmów kwalifikacyjnych na stanowiska inżynierskie w firmach technologicznych. Jako coś stosunkowo nowego...

Worth a Million Arguments • Venkat Subramaniam • D...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 Should we usage Spring, Quarkus, or Micronaut. Angular, React, or View. Dynamic, static, or mixed typing? Functional or... will this method give better performance? Each ...

Dockerfiles, Buildpacks, Jib - best way to run Jav...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 A typical workflow in a modern software dev task frequently looks like: Build code, put the built artifact into a container image, put the container image into a registr...

Git - Graph-based Increments Tracker • Mateusz Łyc...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 Have you always wondered what happens to Git commits erstwhile they vanish from "git log" after you do "git reset"? Or why branches are so light and so fast to create...

GeeCON 2025: Nicolas Frankel - End-to-End Pull Req...

youtube.com 2 miesięcy temu As applications increasingly trust on Kubernetes for deployment, ensuring seamless integration and end-to-end investigating during pull requests is crucial. This talk dives into the applicable steps of building a robust CI/CD pipeline that mirrors...

GeeCON 2025: Michał Gwarzynski - The Art of Trade-...

youtube.com 2 miesięcy temu The strategy for marketing automation which we build in Allegro presently handles more than 25 000 incoming events. We had to make tough decisions in order to deliver fresh features and overcome performance bottlenecks. I will tell about our...

GeeCON 2025: Li Haoyi - Faster Java Builds with th...

youtube.com 2 miesięcy temu Mill is an open-source JVM build tool 4-10x faster than Maven and and 2-4x faster than Gradle for common workflows. With automatic caching, extended parallelism, and easy extensibility, Mill allows you to effectively build large Java projects even a...

Writing another burden test tool? What a stupid i...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 erstwhile we started our company and got our first large customer, we had to choose between JMeter, SilkPerformer and LoadRunner. 1 was besides limited and the other...

Gemini, Google's Large Language Model • Guillaume ...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 Gemini is the Large Language Model (LLM) powering Bard, but you can besides usage its API through Google Cloud and integrate it into your applications. Gemini offers dif...

GeeCON 2025: Marton Kodok - AI Agents with Gemini ...

youtube.com 2 miesięcy temu You will learn how to decision beyond simple LLM calls to build intelligent agents with Gemini 2.0. Learn how function calling, structured outputs, and async operations enable complex agent behaviour and interactions. Discover how to make purpose-...

GeeCON 2025: Vadzim Prudnikau - incorrect and Use...

youtube.com 2 miesięcy temu Are you satisfied with the domain model in your project? Do you find it sometimes overcomplicated? Is making changes to it a challenging task? Does a part of your business logic be in remainder controllers and large service classes?...

Architectural Principles: Building Foundations of ...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 In the realm of architecture, principles form the bedrock upon which innovative and enduring designs are crafted. This presentation delves into the core architectural prin...

2025 - Sohan Maheshwar - How Google built a Consis...

youtube.com 2 miesięcy temu Google Zanzibar is the singular authorization service that powers permissions and sharing across all Google properties, including Docs, YouTube, and Cloud IAM. Creating a consistent, global-scale authorization system that can process "more than 10 mi...

2025 - Mike Wojtyna - Archetypes - your secret sup...

youtube.com 2 miesięcy temu Imagine jumping into a new project. In a very short time you start asking meaningful questions, understand the business, and model it correctly. Somehow you just feel what’s right. You manage to solve some of the problems the team...

2025 - Sebastian Buczyński - Czy jesteś śrubokręte...

youtube.com 2 miesięcy temu Mimo tego, iż Inżynieria Produktu zyskuje popularność, nie jest wcale łatwo wywierać realny wpływ na projekt. Same umiejętności czy nastawienie potencjalnego Inżyniera/Inżynierki Produktu to za mało. To procesy wytwarzania systemu w firmach zamykają ...

2025 - Witold Sieński - Skalowanie projektu mobiln...

youtube.com 2 miesięcy temu Opowiem, jak zespół rozrósł się z 8 do 70 deweloperów mobilnych oraz jak udało się stworzyć szeroki portfel produktów dostępnych w jednej aplikacji. Prezentacja będzie prowadzona w konwencji gry RPG, z licznymi odniesieniami do świata gier. Poruszę n...

2025 - Matej Nedic - Why today, more then ever you...

youtube.com 2 miesięcy temu In this talk, we’ll dive into what it really takes to build resilient, efficient systems both on-prem and in the cloud. Too often, teams prioritize “just make it work” over thoughtful design, leading to brittle architectures and rising costs....

2025 - Mateusz Łyczek - 20 lat mineło - czego może...

youtube.com 2 miesięcy temu Git narodził się 20 lat temu z praktycznej potrzeby. Pod wieloma względami był projektem nowatorskim w "tamtych czasach" (czy to było już na tyle dawno, iż można tak powiedzieć? ;-) ), a potem zawojował świat. Czy dziś, dokładnie 20...

2025 - Artur Skowronski - Czy warto uruchamiać Jav...

youtube.com 2 miesięcy temu Co się wydarzy, kiedy wrzucisz do kotła trendy ostatnich lat, takie jak oszczędzanie pieniędzy ("cloud spending optimization", jak nazywają to profesjonaliści), sustainability (jak nazywają to firmy budujące reaktory atomowe do napędzania trenowania ...

2025 - M. Chrzonstowski - Serwery, OAuth Client, S...

youtube.com 2 miesięcy temu Ostatnio w rozwijanym systemie wewnętrznym pojawiły się "nietypowe" wymagania - uwierzytelnianie i autoryzacja. Implementację przypisano mojemu zespołowi, co było dobrą okazją do odświeżenia sobie kilku pojęć, OAutha oraz do skorzystania z podprojekt...

2025 - Bartosz Rogowicz - Would Your System Surviv...

youtube.com 2 miesięcy temu Running real-time quizzes for millions of players worldwide puts serious pressure on the backend. In this talk, I’ll walk through how we’ve scaled Kahoot as it grew — from a well-designed monolith that served us reliably, to a gradual...

2025 - M. Łukasik - Monolith to Microserv. at 20M+...

youtube.com 2 miesięcy temu This presentation explores the unique challenges of migrating a monolithic application to microservices under extreme scale and strict latency requirements. As a leading ad re-targeting company operating in over 70 countries, RTB House processes Exab...

2025 - Jakub Nabrdalik - Simplify your architectur...

youtube.com 2 miesięcy temu We tend to overcomplicate things especially when we learn them. Your friend comes back from a conference with shiny new ideas and the next day you wake up with event driven architecture for communication, event sourcing for persistence, domain...

2025 - Sławomir Sobótka - Archetypy modelowania bi...

youtube.com 2 miesięcy temu W trakcie prezentacji zobaczysz dwa systemy realizujące te same wymagania. Przyjrzymy im się z punktu widzenia: modularyzacji, kodu warstwy aplikacyjnej i kodu warstwy bogatego modelu dziedzinowego. Architektura pierwszego będzie oparta o naiwną anal...

2025 - Naveen Mareddy - Advanced Observability Str...

youtube.com 2 miesięcy temu Managing media workflows at the Netflix scale is both thrilling and daunting. With millions of workflow executions across hundreds of types and over 500 million CPU hours consumed quarterly, costs can skyrocket, and encoding issues can disrupt the st...

2025 - Pasha Finkelshteyn - Four Approaches to Red...

youtube.com 2 miesięcy temu Java applications can be incredibly performant in the long run, but their weakest spot is at the startup as they may take seconds to start and minutes to warm up. During that period, they consume more memory and process...

2025 - Michał Niczyporuk & Krzysztof Debski - Star...

youtube.com 2 miesięcy temu We were building a new product with a rare luxury: full freedom in choosing the tech stack. So naturally, we did what many dream of - went microservices from day one, adopted event-driven architecture everywhere, use all modern cloud...

2025 - Sebastian Łaskawiec - Jak wdrażane jest opr...

youtube.com 2 miesięcy temu Chcesz dowiedzieć się, jak wyglądają wdrożenia technologii dla najbardziej wymagającego klienta – Departamentu Obrony? Poznaj realia pracy przy wdrożeniach do środowisk wojskowych, gdzie odcięcie od internetu jest standardem, a bezpieczeństwo danych ...

2025 - Sebastian Kozak - OpenTelemetry Tracing - P...

youtube.com 2 miesięcy temu Na początku wszystko wygląda dobrze, automatyczna instrumentacja działa, trace’y są widoczne. Ale z czasem coś zaczyna się psuć: część danych znika, trace’y się urywają, a koszty monitoringu rosną. W tej prezentacji pokażę z czym naprawdę mierzymy si...

2025 - Szymon Janikowski - Wiedza w kodzie to złot...

youtube.com 2 miesięcy temu Czy da się automatycznie stworzyć sensowny diagram albo dokumentację prosto z kodu? Czy w kodzie jest wystarczająco dużo wiedzy, a może wręcz przeciwnie – jest jej tak dużo, iż trudno wybrać, co jest najważniejsze? Coraz wyraźniej widać, iż to...

Toruń JUG #82 - "Żeglując po złożoności GraphQL: o...

youtube.com 2 miesięcy temu "Żeglując po złożoności GraphQL: od płytkich wód szczęścia po głębiny rozpaczy" W ostatnich kilku latach GraphQL stał się popularną technologią. Wielu programistów pragnie mieć go w swoim projekcie, co za tym idzie, dużo firm zaczyna go używać. Ale c...

Jak zabezpieczyć dom i rodzinę na wypadek kryzysu ...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 Recorded at Devoxx Poland 2024 Twitter: https://twitter.com/DevoxxPL Instagram: https://www.instagram.com/DevoxxPL Join us besides here: Devflix: https://devflix.pl #Devo...

AI: Innovating How we make and What we Build • L...

youtube.com 2 miesięcy temu Subscribe to our channel: https://youtube.pl/c/DevoxxPoland?sub_confirmation=1 AI and Large Language Models are revolutionizing the way we code, what we build, and how we engage users. Developers now wield a fresh superpower to solve long-standing p...

GeeCON 2025: Rustam Mehmandarov - Optimising Java ...

youtube.com 2 miesięcy temu Do you want to know your options for moving Java on Google Cloud? We will research various options for moving workloads written utilizing the latest Java and Jakarta EE versions on serverless offerings like CloudRun and Knative. Furthermore, we......

GeeCON 2025: Maciej Krzysica - Why should we be ca...

youtube.com 2 miesięcy temu AI will stay with us, whether we like it or not. The continuous growth of the possibilities of AI systems presents both opportunities and challenges, which requires from us to be more liable for the planet around us. The...

GeeCON 2024: Jarek Ratajski - The communicative ...

youtube.com 2 miesięcy temu Once upon a time, there was a mainstream computer language that ran on almost all computer. Everyone was utilizing it everywhere; it was (basically :-)) dominating the industry. Suddenly, it was over. Well, it is inactive there but certainly...