head tracking

Titus Winters' CppCon 2017 talk argues for C++ and Google's Abseil to be maintained as a live at head language, relying on testing and automated tooling rather than never changing or promising no compatibility. It covers Hyrum's law and the limits of semantic versioning.

Herb Sutter's CppCon 2019 talk on the split in the C++ community over exceptions and RTTI. He proposes making exceptions cheaper and more usable, including a zero-overhead, Result-like design.

Ben Alpert of the React team talks at React.js Conf 2016 about where React is heading. He covers performance and stability work, challenges at Facebook, and opportunities such as bringing React Native ideas to the web.

A 35C3 talk by Privacy International researchers who captured and decrypted traffic between Android apps and Facebook servers. They show many apps send Facebook device and usage data immediately on launch, even for users without Facebook accounts.

Bryan Cantrill's GOTO Chicago 2017 talk on debugging production systems under pressure, centered on the incident where an operator's mistyped command rebooted an entire Joyent datacenter. It covers human factors, automation and architecture.

Moxie Marlinspike's DEF CON 18 talk on changing threats to privacy argues that surveillance arrived through convenient services and network effects, so opting out is not a real solution. It also includes his framing of getting social democracy rather than the fascism people feared.

A DEF CON 20 talk by RenderMan on the security weaknesses of ADS-B, the unencrypted, unauthenticated aircraft tracking broadcast. It shows how easily the data can be spoofed and what that means for security designed in too late.

Bryan Cantrill presents the ARC (Adaptive Replacement Cache) paper by Megiddo and Modha at Papers We Love. He opens with a survey of caching strategies before digging into the self-tuning LRU/MFU design.

Paul Biggar's Google Tech Talk on compiling and optimizing scripting languages, drawn from his work on the phc ahead-of-time PHP compiler. He covers runtime typing, aliasing and code generation challenges, and argues AOT can compete with JIT.

Christian Thalinger presents at the 2015 JVM Language Summit on adding ahead-of-time compilation to the JVM, covering the HotSpot team's AOT work and its relation to warmup and deoptimization.

A Linux.conf.au 2013 talk that explains git's internal model using a playful, toy-based approach. It presents git operations as operations on a graph of commits, aimed at people who find git confusing.

Moxie Marlinspike's DEF CON 18 talk argues that privacy threats have shifted from centralized state databases like TIA to corporate data collection by companies like Google, despite wins in strong cryptography and decentralization.

Tobias Engel's 31C3 talk shows how weaknesses in the SS7 telephone signaling network let companies and attackers locate, track and manipulate phones from anywhere in the world, with precision down to about 50 meters.

Svelte creator Rich Harris explains moving reactivity into the compiler and language rather than tracking state at runtime, with a history of spreadsheets as reactive systems and comparisons to React.

Apple security head Ivan Krstic gives a Black Hat 2016 talk on iOS security, covering HomeKit, Auto Unlock and iCloud Keychain. He explains key hierarchies and how data can stay safe even in adversarial clouds.

Bret Victor's DBX 2013 talk, delivered in the guise of a 1973 IBM engineer with an overhead projector. It surveys forgotten ideas from 1960s and early 70s computing and warns against assuming you know what you're doing.

Java Language Architect Brian Goetz talks at a Clojure conference about the challenges of evolving a mature language like Java while preserving compatibility with existing code and developer expectations. It also gives a look at where the platform is headed.

Biologist Michael Levin explains the bioelectric layer that coordinates cells to build organs and bodies, showing footage of two-headed worms and introducing xenobots. He discusses implications for medicine and the nature of life.

John Carmack's long QuakeCon 2012 keynote, a free-ranging talk covering software engineering, game platforms, game streaming, and his early head-mounted display and VR work.

Andrej Karpathy, then Tesla's head of AI, presents at ScaledML 2020 on how Tesla builds full self-driving using vision-based neural nets and fleet data collection. He covers training custom detectors and neural nets gradually replacing traditional code.

Deviant Ollam, head of a physical penetration testing team, presents tactics for getting into buildings, from bypassing door levers with a wire to defeating bank doors. He argues that physical security is often surprisingly weak.

Bryan Cantrill's 2007 Google Tech Talk on DTrace, showing how dynamic tracing improves debugging of both development and live production systems. It includes a vivid war story about tracking down a problem on a Sun Ray server.

David Beazley's PyCon 2010 talk explains how the Python Global Interpreter Lock works and shows experiments where multithreaded code runs slower, even on more cores, due to lock contention and context-switching overhead.

At DEF CON 27, Nina Kollars tells how buying Nespresso capsules on eBay led her to investigate fraudsters reselling goods bought with stolen credit cards. She describes her non-technical tracking and reporting efforts.

Simon Sinek's 99U talk on why leaders earn trust by putting their team's safety ahead of their own, drawing on biology and anthropology. It distills the ideas of his book Leaders Eat Last into about 46 minutes.

Andrej Karpathy, then Tesla's head of AI, gives a CVPR 2021 workshop keynote on how Autopilot's neural networks work. A large part covers the move to a vision-only stack, including why radar was dropped and how vision produces depth estimates.

Alex Martelli's Google Developers Day talk on classic design patterns (creational, structural and behavioral) and how they appear in Python. He stresses that patterns must be studied in the context of the implementing language.

Bob Nystrom, author of Game Programming Patterns, gives a Roguelike Celebration 2018 talk questioning whether entity component systems are the only way to structure a game. He walks through alternative architectures drawn from roguelike development.

A Startup School talk by YC partner and former Airbnb growth head Gustaf Alstromer on how startups get their first customers. It covers doing things that don't scale, founders learning sales, the sales funnel, and charging your first customer.

Psychologist Robert Epstein presents a Stanford EE380 colloquium on how internet algorithms such as search rankings can manipulate opinions, purchases and votes at massive scale. He also describes a new monitoring system for tracking such influence.

Pete Hunt explains why React's virtual DOM was built, how it compares with databinding-style systems, and what it means for future browser technology. Recorded at FutureJS 2014 in Barcelona.

A 32C3 talk dissecting Red Star OS, North Korea's state-built operating system. The speakers explain its internals and how it invades users' privacy, including file watermarking.

Christian Picciolini tells how he became a white supremacist at 14 and led America's first neo-Nazi skinhead gang, then how he left. He shares a counterintuitive approach to countering hate and co-founded Life After Hate.

Rich Harris's Svelte Summit 2020 talk on what a modern web development workflow could look like. It announced that Sapper would give way to what became SvelteKit.

Andrew Kelley's roadmap talk on upcoming Zig compiler milestones, focused on compilation speed. It was given at a Zig community event in 2022.

Stephan T. Lavavej's GoingNative 2013 talk explaining why calling rand() and using rand() % 100 is bad in C++, and how the C++11 <random> header does the job properly.

A React Conf talk by Xuan Huang previewing React Forget, a compiler that automatically memoizes components. It argues for making memoization the default so developers need not write useMemo or useCallback by hand.

Chris Urmson, head of Google's self-driving car program, shows footage of how the car perceives the road and decides what to do. Examples include cyclist hand signals, school buses, police officers and complex intersections.

Chandler Carruth's CppCon 2016 talk on designing hybrid data structures for performance. He covers cache locality, working-set size and allocation overhead, and why standard C++ containers fall short.

OpenAI cofounder Greg Brockman explains the design principles behind ChatGPT and demos unreleased plug-ins at TED 2023. In the follow-up, TED head Chris Anderson presses him on the timeline of development and the risks of releasing such a tool.