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# Videos

2123 videos · 23049 moments · 1194.7 hours of content

## World Congress 2021 videos

### Intro to Flutter Development

Stop duplicating code for iOS and Android. Discover how Flutter's single codebase and Hot Reload feature deliver pixel-perfect, high-performance apps in half the time.

- **Speakers:** Mira Jago
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 48:32
- [Watch](https://www.wearedevelopers.com/videos/170-intro-to-flutter-development)

### From Zero to Mobile Developer in 45 Minutes With SwiftUI

Build an iOS live chat app from scratch in just 45 minutes. Ditch storyboards for SwiftUI's declarative state and seamlessly sync real-time data using MongoDB Realm.

- **Speakers:** Andrew Morgan
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 44:13
- [Watch](https://www.wearedevelopers.com/videos/183-from-zero-to-mobile-developer-in-45-minutes-with-swiftui)

### Effective Machine Learning - Managing Complexity with MLOps

Stop treating machine learning models like standard code. Adopt MLOps to bridge the deployment gap and transform isolated notebooks into automated, reliable production pipelines.

- **Speakers:** Simon Stiebellehner
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 45:45
- [Watch](https://www.wearedevelopers.com/videos/185-effective-machine-learning-managing-complexity-with-mlops)

### Effective Java Strategies and Architectures for Clouds

Are your cloud deployments drowning in YAML and unexpected microservice costs? Learn why well-structured Java monoliths and managed APIs are your best defense against orchestration fatigue.

- **Speakers:** Adam Bien
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 42:23
- [Watch](https://www.wearedevelopers.com/videos/186-effective-java-strategies-and-architectures-for-clouds)

### Develop a Blockchain Application in JavaScript with Lisk SDK

Ditch complex consensus mechanisms and build scalable blockchain applications using just JavaScript. The Lisk SDK empowers you to focus strictly on business logic for rapid, real-world deployments.

- **Speakers:** Manu Nelamane Siddalingegowda
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 1:52:16
- [Watch](https://www.wearedevelopers.com/videos/188-develop-a-blockchain-application-in-javascript-with-lisk-sdk)

### C# 9 Source Generators - let the machine do the programming

Stop relying on slow runtime reflection and endless boilerplate. C# 9 Source Generators tap native compiler features to generate high-performance, strongly typed code on the fly.

- **Speakers:** Jiří Činčura
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 47:00
- [Watch](https://www.wearedevelopers.com/videos/192-c-9-source-generators-let-the-machine-do-the-programming)

### Building Security Champions

Stop bottlenecking your DevOps pipeline due to AppSec staffing shortages. Discover a practical, six-step framework to transform everyday developers into an active first line of defense as security champions.

- **Speakers:** Tanya Janca
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 48:02
- [Watch](https://www.wearedevelopers.com/videos/193-building-security-champions)

### Live Coding an Augmented Reality Game with WebXR

Spatial computing could completely replace physical monitors within a decade. Front-run this revolution by live coding an interactive WebXR game using a few lines of Three.js.

- **Speakers:** Christian Grail
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 44:30
- [Watch](https://www.wearedevelopers.com/videos/199-live-coding-an-augmented-reality-game-with-webxr)

### Advanced Caching Patterns used by 2000 microservices

How do you handle 500 billion daily requests across 2,000 microservices without cascading failures? Discover advanced caching patterns using Kafka, DynamoDB, and Varnish.

- **Speakers:** Natan Silnitsky
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 44:37
- [Watch](https://www.wearedevelopers.com/videos/201-advanced-caching-patterns-used-by-2000-microservices)

### On the straight and narrow path - How to get cars to drive themselves using reinforcement learning and trajectory optimization

Can a car master an unknown track without pre-programmed physics? Discover how Q-learning and trajectory optimization teach autonomous vehicles to drive themselves from scratch.

- **Speakers:** Francis Powlesland, Elena Kotljarova
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 42:18
- [Watch](https://www.wearedevelopers.com/videos/205-on-the-straight-and-narrow-path-how-to-get-cars-to-drive-themselves-using-reinforcement-learning-and-trajectory-optimization)

### Playing Games with CSS

During lockdown, one developer built a pure CSS arcade game without any JavaScript. Discover how to leverage checkbox hacks and CSS counters to master complex skills through play.

- **Speakers:** Elad Shechter
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 44:29
- [Watch](https://www.wearedevelopers.com/videos/210-playing-games-with-css)

### PWA Fundamentals: websites with superpowers

Give your traditional websites native-like superpowers. Master PWA fundamentals from service workers to advanced offline caching. Seamlessly bridge the gap between web and native applications.

- **Speakers:** Rowdy Rabouw
- **Event:** World Congress 2021
- **Published:** June 30, 2021
- **Duration:** 43:06
- [Watch](https://www.wearedevelopers.com/videos/212-pwa-fundamentals-websites-with-superpowers)

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