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Mitigating Memory Safety Issues in Open Source Software
Posted by Dan Lorenc, Infrastructure Security Team Memory-safety vulnerabilities have dominated the security field for years and often lead ...
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,820 posts.
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Arranging Invisible Icons in Quadratic Time
Near the end of January I was pointed to a twitter thread where a Windows user with a powerful machine was hitting random hangs in explorer. Lots of unscientific theories were being proposed. I don…
1024
Building a PS1 style retro 3D renderer
My exploration into making a 90s style fantasy console inspired by the PS1
1025
Three hours to save Integral spacecraft
On 22 September, around midday, ESA’s Integral spacecraft went into emergency Safe Mode. One of the spacecraft’s three active ‘reaction wheels’ had turned off without warning and stopped spinning, causing a ripple effect that meant the satellite itself began to rotate.
1026
An unexpected find that freed 20GB of unused index space in PostgreSQL
How to free space without dropping indexes or deleting data
1027
CPM MagnaCut
CPM MagnaCut is a new stainless knife steel designed to be better than anything that has been available before. Is it a success?
1028
Elixir 1.12
Elixir v1.12 is out with improvements to scripting, tighter Erlang/OTP 24 integration, stepped ranges, and dozen of new functions across the standard library.
1029
0 A.D. Alpha 24: Xšayāršā
Wildfire Games, an international group of volunteer game developers, proudly announces the release of 0 A.D. Alpha 24: “Xšayāršā” (pronounced: Khsha-ya-ṛsha), …
1030
An opinionated guide on how to reverse engineer software
This is an opinionated guide. After 12 years of reverse engineering professionally, I have developed strong beliefs on how to get good at RE.
1031
Scrape like the big boys
What it really takes to scrape without getting detected.
1032
Conspiracy: In Theory and Practice
Would you like to know a secret?
1033
1Password Secrets Automation
Secure, orchestrate, and manage your company’s infrastructure secrets with 1Password Secrets Automation.
1034
The internet is held together with spit and baling wire
A visualization of the Internet made using network routing data. Image: Barrett Lyon, opte.org.
1035
What to Learn
It's common to see people advocate for learning skills that they have or using processes that they use. For example, Steve Yegge has a set of blog posts where he recommends reading compiler books and learning about compilers. His reasoning is basically that, if you understand compilers, you'll see compiler problems…
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Ruby vs. Python comes down to the for loop
Contrasting how each language handles iteration helps understand how to work effectively in either.
1037
Tour of our 250k line Clojure codebase
At Red Planet Labs we’ve been quietly developing a new kind of developer tool for many years. Our tool reduces the cost of building large-scale end-to-end applications by multiple orders of magnitu…
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Wi-Fi packet capturing on M1 Macs is broken
For years, Wi-Fi packet capturing in the Mac has always worked reliably out of the box. Unfortunately, packet capturing is now broken in the new M1 Mac.
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Turning an old Amazon Kindle into a eInk development platform
I fancied getting an eink screen to use for future projects. I bought a wee one with a raspberry pi "hat" attached. However, I realised later that I could maybe just re-purpose an old Amazon Kindle eb…
1041
Are You Trading or Gambling?
How to not be a degenerate trader
1042
Memory access on the Apple M1 processor
When a program is mostly just accessing memory randomly, a standard cost model is to count the number of distinct random accesses. The general idea is that memory access is much slower than most other computational tasks. Furthermore, the cost model can be extended to count "nearby" memory accesses as free. That is…
1043
OpenAI Codex
We’ve created an improved version of OpenAI Codex, our AI system that translates natural language to code, and we are releasing it through our API in private beta starting today.
1044
Software engineering research is a train wreck
I'm a big advocate of Empirical Software Engineering. I wrote a talk on it. I wrote a 6000-word post covering one controversy. I spend a lot of time reading...
1045
The Python Package Index is now a GitHub secret scanning integrator
GitHub and the Python Package Index (PyPI) are collaborating to help protect you from leaked PyPI API tokens. From today, GitHub will scan every commit to a public repository for…
1046
Apple M1 Assembly Language Hello World
Introduction Last week, we talked about using a new Apple M1 based Macintosh as a development workstation and how installing Apple’s development system XCode also installed a large number of open s…
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The End of AMP?
I am hopeful that 2021 will be the beginning of the end for two of my least favorite things – the pandemic and Accelerated Mobile Pages (AMP). For the past
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How to build large-scale end-to-end encrypted group video calls
Signal released end-to-end encrypted group calls a year ago, and since then we’ve scaled from support for 5 participants all the way to 40. There is no off the shelf software that would allow us to support calls of that size while ensuring that all communication is end-to-end encrypted, so we bui...
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Changes to sharing and viewing news on Facebook in Australia
In response to Australia’s proposed new Media Bargaining law, we'll restrict publishers and people in Australia from sharing or viewing news on Facebook.