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I found a 1-click exploit in South Korea's biggest mobile chat app
Stealing another KakaoTalk user’s chat messages with a simple 1-click exploit.
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The latest blog posts to take off on Hacker News. 1,535 posts.
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GCC's new fortification level: The gains and costs (2022)
Discover the gains and costs of GCC’s enhanced runtime buffer overflow protection. Level 3 _FORTIFY_SOURCE preprocessor macro may detect more buffer overflows, but there’s a cost.
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Resilient Sync for Local First
Resilient sync for local-first apps by using existing technologies such as file systems
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B-Trees Require Fewer Comparisons Than Balanced Binary Search Trees
A blog by and for database architects.
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Three ways to think about Go channels
Blog for DoltHub, a website hosting databases made with Dolt, an open-source version-controlled SQL database with Git-like semantics.
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A railroad simulation using discrete event simulation
In our previous post, we introduced how to utilize Discrete Event Simulation (DES) in PicoLisp. Now, let's explore another application: a railroad model…
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I found an 8 years old bug in Xorg
Let me set the right expectations first. This bug I found is actually not that complicated, it's very straightforward once you see what's going on. But I still think the process it took me to uncover this bug could be interesting. It's also kind of interesting that a simple bug stayed undiscovered for so long. I will…
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Llama.ttf: A font which is also an LLM
llama.ttf is a font file which is also a large language model and an inference engine for that model.
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Ruby: A great language for shell scripts
It’s more than rails!
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Own Constant Folder in C/C++
I was talking with someone today that really really wanted the sqrtps to be used in some code they were writing. And because of a quirk with clang (still there as of clang 18.1.0), if you happened to use -ffast-math clang would butcher the use of the intrinsic. So for the code: __m128 test(const __m128 vec) { return…
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Shape Rotation 101: An Intro to Einsum and Jax Transformers
Acknowledgements First, I would like to acknowledge my friends and kind internet strangers who helped me with this post. This post heavily adapts from ...
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Formal methods: Just good engineering practice?
Earlier this week, I did the keynote at TLA+ conf 2024 ( watch the video or check out the slides ). My message in the keynote was something I have believed to be true for a long time: formal methods are an important part of good software engineering practice. If you’re a software engineer, especially one working on…
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The plan-execute pattern
A ubiquitous pattern you won’t find in your textbook.
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A Rant about Front-end Development
I am a front-end developer who is FED up about front-end development. If you write front-end, this isn't about you personally. It's about how your choices make me angry. Also this is about how my choices have made me angry. Also this is mostly just about choices, the technologies are incidental. Note: The views…
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NPM and NodeJS should do more to make ES Modules easy to use
Coming back to JavaScript and TypeScript after a few years neck deep in Python and Hack, I kept hitting a number of new, cryptic errors when running NodeJS code in my dev environment:
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Let's write a video game from scratch like it's 1987
In a previous article I've done the 'Hello, world!' of GUIs in assembly: A black window with a white text, using X11 without any libraries, just talking directly over a socket.
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Curl is inside 22,734 Steam games
About a year ago I blogged about games that use curl. In that post I listed a bunch of well-known titles I knew use curl and there was a list of 136 additional games giving credit to curl. Kind of amazing that over one hundred games decided to use curl! At the time, lots of … Continue reading Inside 22,734 Steam games…
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Arvind has died
Arvind, a longtime MIT professor and leading scholar in computer architecture and programming languages, has died at 77. He transformed research in computer architectures and parallel computing, enabling faster and more efficient computation.
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Software design gets worse before it gets better
The price of improving structure
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AI-powered conversion from Enzyme to React Testing Library
Update (October 2024): In response to numerous requests from external developers, we have open-sourced a version of our Enzyme to React Testing Library (RTL) conversion tool. You can now find it on npm, along with detailed instructions on how to integrate and use it in your projects. In the world of frontend…
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Algorithmic fitting of Japanese candy
Introduction to bin packing through a simple example of fitting boxes of candy inside a parcel.
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Two ways to use an LED as a light sensor with Arduino
I needed to log when a light switched on and off during the night as part of debugging an oddly behaving movement sensor. To do that I built...
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IPC in Rust – A Ping Pong Comparison
I wanted to explore different ways of communicating between different processes executing on the same machine, and doing so as fast as possible. We're focussing on high speed inter-process communication (IPC), but some of these approaches can be extended across a network. We'll do this exploration in Rust.
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Code Models
Code reflection, an enhancement to Java reflection, enables access to symbolic representations of Java code in method and lambda expressions. “Symbolic representations of Java code” may seem like a fancy term, but its easily demystified. It’s a model of Java code where the code of a method or lambda expressions is…
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Every Way to Get Structured Output from LLMs
A survey of every framework for extracting structured output from LLMs, and how they compare.
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The upcoming iterator design for Go 1.23
NOTE: This is based on, but completely rewritten, from a Twitter post:https://x.com/TheGingerBill/status/1802645945642799423TL;DR: It makes Go feel too "functional" rather than being an unabashed imperative language.I recently saw a post on Twitter showing the upcoming Go iterator design for Go 1.23 (August 2024)…