
Chris Heilmann, Daniel Cranney & Elio Struyf
Sep 3, 2025
WeAreDevelopers LIVE - Demo Time, Live Coding, End-to-End Testing and more

#1about 4 minutes
How solving personal problems leads to learning to code
Automating repetitive tasks like writing student reports or generating HTML from a database can be a powerful gateway into programming.
#2about 5 minutes
Why VS Code's extensibility led to its success
A solid core editor combined with a powerful and well-documented extension API allowed a community to build the specific tools they needed.
#3about 10 minutes
The security risks of AI-powered browser agents
AI agents that can browse and perform actions on your behalf introduce significant security vulnerabilities, such as falling for phishing sites or misusing personal data.
#4about 5 minutes
The surprising real purpose of the PC turbo button
The turbo button on early PCs was actually a "slow down" button used to ensure backward compatibility for older games and software that were speed-dependent.
#5about 7 minutes
Managing macOS notifications and other system quirks
The terminal command `killall NotificationCenter` provides a way to dismiss all notifications at once, a feature missing from the macOS user interface.
#6about 7 minutes
Using AI and code to generate complex outputs
Tools like `wtff` can translate natural language into complex FFmpeg commands, while libraries like Strudel allow for creating intricate music using JavaScript.
#7about 6 minutes
Introducing Demo Time for flawless live coding presentations
Demo Time is a VS Code extension that helps presenters script their live coding sessions to avoid typos, distractions, and the stress of live demos.
#8about 9 minutes
A practical demonstration of scripting a live demo
See how to use Demo Time's configuration editor to create a script that automates file creation, code typing, terminal commands, and even interactions with GitHub Copilot.
#9about 7 minutes
Use cases and the open source nature of Demo Time
Beyond presentations, Demo Time can be used for creating repeatable workshops or onboarding new developers to a codebase, and it is available as a free, open-source tool.
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