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Hey Siri: An On-Device DNN-Powered Voice Trigger for Apple’s Personal Assistant
The “Hey Siri” feature allows users to invoke Siri hands-free. A very small speech recognizer runs all the time and listens for just those…
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 230 posts.
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A million-dollar engineering problem
Explore technical topics, solutions, and resources for building with Twilio – and beyond.
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Org-Mode Is One of the Most Reasonable Markup Languages to Use for Text
Org Mode Syntax Is One of the Most Reasonable Markup Languages to Use for Text
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Undefined Behavior in 2017
Since you talk about the sanitizers and tools like Checked-C, I’ll note there’s also SaferCPlusPlus[1], which is essentially a memory-safe (and data race safe) subset of C++. The idea is that there are a finite number of C++ elements that contribute to memory unsafety, and since the advent of C++11, it is now…
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GUI Architectures (2006)
Describing the way architectures for UIs have evolved over the years, in particular the many and often misunderstood definitions for Model-View-Controller.
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Developers who use spaces make more money than those who use tabs
This is a bit of a "holy war" among software developers; one that's been the subject of many debates and in-jokes. I use spaces, but I never thought it was particularly important. But today we're releasing the raw data behind the Stack Overflow 2017 Developer Survey , and some analysis suggests this choice matters…
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Facebook’s code quality problem (2015)
"Move fast and break things: A cautionary tale from Facebook's code quality woes."
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I Wrote My Fastest Hashtable
I had to get there eventually. I had a blog post called “I Wrote a Fast Hashtable” and another blog post called “I Wrote a Faster Hashtable.” Now I finally wrote the fastest…
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What's Functional Programming All About?
There are many descriptions floating around the internet, trying to explain functional programming in simple terms. Unfortunately, most discuss details only loosely related to functional programming, while others focus on topics that are completely irrelevant. So of course, I had to write my own!
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A Tutorial on Portable Makefiles
In my first decade writing Makefiles, I developed the bad habit of liberally using GNU Make’s extensions. I didn’t know the line between GNU Make and the portable features guaranteed by POSIX. Usually it didn’t matter much, but it would become an annoyance when building on non-Linux systems, such as on the various…
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Clojure Design Patterns
Disclaimer: Most patterns are easy to implement because we use dynamic typing, functional programming and, of course, Clojure. Some of them look wrong and ugly. It’s okay. All characters are fake, coincidences are accidental.
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Rust's Type System Is Turing-Complete: Type-Level Programming in Rust
(N.B. The word “fuck” appears multiple times in this post. I recommend that the reader temporarily not consider “fuck” as profanity, as it isn’t used that way here.)
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APIs, robustness, and idempotency
Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for businesses of all sizes.
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A cartoon intro to WebAssembly
WebAssembly is a way of taking code written in programming languages other than JavaScript and running that code in the browser. So when people say that WebAssembly is fast, what ...
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Realizing Hackett, a metaprogrammable Haskell
Almost five months ago, I wrote a blog post about my new programming language, Hackett , a fanciful sketch of a programming language from a far-off land with Haskell’s type system and Racket’s macros. At that point in time, I had a little prototype that barely worked, that I barely understood, and was a little bit of…
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Verified cryptography for Firefox 57
Traditionally, software is produced in this way: write some code, maybe do some code review, run unit-tests, and then hope it is correct. Hard experience shows that it is very ...
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Postgres Job Queues and Failure by MVCC
How Postgres’ concurrency model coupled with long-lived transactions can degrade the performance of indexes on hot tables in your database.
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TruffleRuby on the Substrate VM
Technical articles by Kevin Menard. Topics include Ruby, Java, machine learning, and general computing.
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FizzleFade
I enjoy reading a lot of source code and after 15 years in the field I feel like I have seen my fair share. Even with a full-time job, I still try to spare evenings here and there to read. I don't see myself ever stopping. It is always an opportunity to learn new things to follow somebody's mind process. Every once in…
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Be Careful with UUID or GUID as Primary Keys
You can use of UUIDs as the primary key to avoid database scale problems. But should you? I propose an alternative.
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What makes WebAssembly fast?
Programming with WebAssembly or JavaScript is not an either/or choice. So developers don’t need to choose between WebAssembly and JavaScript. However, we do expect that developers will swap out parts ...
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My Go Resolutions for 2017
’Tis the season for resolutions, and I thought it would make sense to write a little about what I hope to work on this year as far as Go is concerned.
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What do you mean by “Event-Driven”?
Some notes on the different patterns that may be present when people talk about event-driven architectures.
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Better Compression with Zstandard
I think I first heard about the Zstandard compression algorithm at a Mercurial developer sprint in 2015. At one end of a large table a few people were uttering expletives out of sheer excitement. At developer gatherings, that's the universal signal for something is awesome . Long story short, a Facebook engineer…