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Optimizing Ruby Path Methods
Back in November last year, I started a new job at Intercom, and one of the first projects I got to work on was improving the Intercom monolith CI with some of my new colleagues.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 14,544 posts.
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Git as a Storage
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Interfaces and Protocols in Python
Comparing zope.interface and typing.Protocol.
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Reverse Engineering US Airline's PNR System and Accessing All Reservations
Timeline & Responsible Disclosure
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How to choose the right Python concurrency API
In this tutorial, you will discover a helpful step-by-step procedure and helpful questions to guide you to the most appropriate concurrency API.
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Django Views – The Right Way
It is the result of mistakes made and lessons learned in a range of Django and Python projects over 15+ years.
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Disable Your SSH access accidentally with scp
Here's an interesting bug I ran into recently: After transferring some files to my server via scp, I couldn't log in via SSH anymore - my key was rejected by sshd.
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Why code that never goes wrong can still be wrong
The three levels of software, a framework by Jimmy Koppel: runtime, code, and logic, and why code that never fails can still be wrong.
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The Polyglot NixOS
Recently a colleague mentioned building NixOS images that run unchanged on multiple architectures. Given the past adventures on this blog with systemd-repart and cross-compiling NixOS, I decide to give this a go.
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Amber.js (formerly SproutCore 2.0) is now Ember.js (and released)
After we announced Amber.js last week, a number of people brought Amber Smalltalk, a Smalltalk implementation written in JavaScript, to our attention. After some communication with the folks behind Amber Smalltalk, we started a discussion on Hacker News [http://news.ycombinator.com/item?id=3335916] about what we should
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C vs. C#: racing VLC's Gaussian blur
A real VLC video filter, ported line by line to C# and raced against the original C inside VLC 4, then optimized on both sides, with byte-identical output throughout.
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FizzBuzz in Too Much Detail
I know. FizzBuzz has been done to death. But I want to use it as a familiar base upon which we can explore some of the common tradeoffs involved in writing and maintaining software. In this article, I’ll show multiple implementations of FizzBuzz, all designed to achieve different goals, and discuss the implications of…
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Why Typing Erlang is Hard: Standard Erlang
Leo Ostera — making computers do things
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A Review of Shader Languages
A review of the state of the art in real time graphics shading languages and compilers in both graphics and compute. What are some of the differences between HLSL, GLSL, MSL, and WGSL? What are some ways to transpile shaders?
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Creating a Linux Desktop App with Ruby
Lazarus Lazaridis’ personal blog with posts mostly related to programming and opensource. And cats.
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Say Hello to X64 Assembly Part 3
Stack Some time ago i started to write a series of posts about assembly x64 programming. It is third part and it will be about stack. The...
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The Chrome Javascript editor can do hot swapping
Hot swapping is the process of replacing code while the application is running. It allows a developer to see changes immediately - no recompiling, no waiting on page reloads, and no clicking to get to the application state where the code was changed. Just save the file and you’ll see the changes. I would say hot…
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Hacking the Go compiler to add a new keyword
I forked and modified Go compiler to add a new keyword called let, as alias for var
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Archiving Git branches as tags
I have a spicy git alias that allows me to "archive" old git branches by converting them to tags, making them less visible across git tooling. # ~/.gitconfig…
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DéjàVu: a map of code duplicates on GitHub
DéjàVu: A map of code duplicates on GitHub Lopes et al., OOPSLA ‘17 ‘DéjàVu’ drew me in with its attention grabbing abstract: This paper analyzes a corpus of 4.5 million non-fork projects hosted on…
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Building a web server in aarch64 assembly to give my life (a lack of) meaning
a static http server in aarch64 assembly
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Using C++ as a scripting language, part 8
Improving API function calls using inline assembly
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Improving on std:count_if()'s auto-vectorization
To start off, we can leverage the STL for this calculation. std::count_if() more precisely:
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Loading Pydantic models from JSON without running out of memory
Pydantic’s JSON loading uses a huge amount of memory; here’s how to reduce it.
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How I reverse engineered a commercial spatial audio effect
Measuring a commercial spatial audio processor, extracting its stereo impulse responses, and rebuilding the effect as a convolution filter on Linux.
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Typed, modular macros for OCaml
As part of my OCaml Labs research project, I implemented a new macro system for OCaml, based on a design by Leo White and Jeremy Yallop [1] .