Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 716 posts.
A while ago I did a blog post about how long DNS resolvers hold results in cache for, using RIPE Atlas probes testing against their default resolvers (in a lot of cases, the DNS cache on their modem/router).
your case is still going through administrative processing and we don't know when that process will be completed. Last year I was denied to go to the US when I was about to travel to San Francisco. Me and my employer's legal team never got answers as to why this happened so I've personally tried … Continue reading…
Face it: nobody likes fractions, not even computers.
I’ve supervised a lot of great student projects in my nine years at MIT, but my inner nerdy teenager has never been as personally delighted by a project as it is right now. To…
Note: This blog post from 2018 predates the Intel Ice Lake (Sunny Core) and AMD Zen 4 processors. These newer processors are not affected by the issues described in this blog post. Our processors typically do computations using small data stores called registers. On 64-bit processors, 64-bit registers are frequently…
Domain Name Service (DNS) is one of the oldest parts of internet architecture, and remains one that has largely been untouched by efforts to make the web safer and more ...
Collected together all for your convenience.
This paper identifies the most important innovations in software, removing hardware advances and products that didn't embody significant new software innovations. Its results may surprise you.
This is an old page, put up as part of a course I taught in 2012. The more recent draft is here . The final draft of this book has now been published and is available on Amazon as either a paperback or a kindle .
[Epistemic status: very speculative, asserted with only ~30% confidence. On the other hand, even though psychiatrists don’t really talk about this it’s possible other groups know this a…
Openly sharing your work brings more attention to it, which is good, right? The answer, for me though, is often “it’s complicated.” This is what happened when I went to visit a giant tech company, in hopes for collaboration, but later found that they tried to patent some of my research instead!
Four years in the making, it covers just 3% of the U.S.’s area and 4.9% of its population:
Programming with dates, times, and timezones is hard. But here's some help.
In Passing SESTA/FOSTA, Lawmakers Failed to Separate Their Good Intentions from Bad LawToday was a dark day for the Internet.The U.S. Senate just voted 97-2 to pass the Allow States and Victims to Fight Online Sex Trafficking Act (FOSTA, H.R. 1865), a bill that silences online speech by forcing...
An Awk tutorial by example. Learn practical Awk incantations in just a few minutes.
A guide to self-hosting your email on FreeBSD using Postfix, Dovecot, Rspamd, and LDAP.
The recent reveal of Meltdown and Spectre reminded me of the time I found a related design bug in the Xbox 360 CPU – a newly added instruction whose mere existence was dangerous. Back in 2005 I was…
In early 2016 I eventually decided it was my turn to take part in this project. I decided my job was going to be presenting the potential and the beauty inside these sketches. I selected those that I found most interesting and genuine and diverse, then rendered them as if they were real. I became the executor of these…
In 2016, we took a big bet on React Native. Two years later, we’re ready to share our experience with the world and show what’s next.
Understanding the differences between aggregators and platforms matters for companies interacting with them and also regulators considering antitrust.
Please read this update instead: Why Create a New Unix Shell? (2021) . This page is obsolete!
At Mozilla, we closely track threats to users' privacy and security. This is why we've added tracking protection to Firefox and created the Facebook container extension. In today's cartoon intro, ...
You’ve probably heard about GDPR. The new European data protection regulation that applies practically to everyone. Especially if you are working in a big company, it’s most likely that there’sContinue reading
How Colleges Make More Money Than God By Giving It Away
Far below the Antarctic circle, I watch a woman cry real tears because she can’t get gluten-free toast.
When I built Finda , I wanted it to be fast — specifically, to respond to all user input within 16 milliseconds.
