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How Shopify reduced storefront response times with a rewrite
We rewrote critical software that powers all online storefronts on Shopify, offering the fastest online shopping experience, entirely from scratch and without downtime.
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Netflix is now doing per-shot encoding for UHD content
by Aditya Mavlankar, Liwei Guo, Anush Moorthy and Anne Aaron
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How to unc0ver a 0-day in 4 hours or less
By Brandon Azad, Project ZeroAt 3 PM PDT on May 23, 2020, the unc0ver jailbreak was released for ...
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A Linux sysadmin's introduction to cgroups
So you've heard of this thing called cgroups, and you are interested in finding out more. Perhaps you caught mention of it while listening to a talk abou...
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Little Snitch and the deprecation of kernel extensions
You probably came here because your Mac showed a message telling you that software from “Objective Development Software GmbH” (Little Snitch) loaded a system extension that will no longer be compatible with a future version of macOS and that you…
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ThinkPad T480 is my new main laptop which runs FreeBSD
I’ve been using FreeBSD as my primary server OS for quite a long time. But, for unknown reasons, I have never seriously used it on client workstations. Maybe it’s partly because I’m a CUI-oriented person who loves doing things on text terminals as much as possible. Actually, I have been pretty happy with any client OS…
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Systems design explains the world: volume 1
"Systems design" is a branch of study that tries to find universal architectural patterns that are valid across disciplines. You might thin...
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I'm not feeling the async pressure
An introduction to back pressure in systems and why it matters.
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Using Rust to Scale Elixir for 11M Concurrent Users (2019)
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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From zero to main(): How to write a bootloader from scratch
A community and blog for embedded software makers
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Writing a file system from scratch in Rust
A file system is responsible for organising and providing an abstraction over the storage devices where the data is physically stored. In this post, we will learn more about the concepts used by file systems, and how they fit together when writing your own.
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Concurrent Programming, with Examples
Mention concurrency and you’re bound to get two kinds of unsolicited advice: first that it’s a nightmarish problem which will melt your brain, and second that there’s a magical programming language or niche paradigm which will make all your problems disappear.
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Complexity Has to Live Somewhere
We try to get rid of the complexity, control it, and seek simplicity. I think framing things that way is misguided. Complexity has to live somewhere. Embrace it
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Python performance: it’s not just the interpreter
I have a particular view of Python performance from my experience on the Pyston project, and since this view is somewhat nonstandard I wanted to take some time to explain it and give a motivating e…
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Booting a 486 from floppy with the most up-to-date stable Linux kernel
Back in August of 2019 I had a Sing-Along Week contest on RetroBattlestations with the challenge of playing a MIDI file synchronized to a speech synthesizer singing the lyrics. In my stash of cards I found an MQX-32M MIDI card (Roland MPU-401 clone) which I wanted to use for converting MIDI signals to interface to an…
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On WD Red NAS Drives
On WD Red NAS Drives - Data - Western Digital (WD) Corporate Blog
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Under Deconstruction: The State of Shopify’s Monolith
It’s been 18 months since we talked about our Rails modular monolith. We lay out the current state of the work, and things we’d do differently if we started again.
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Optimizing Your Web App 100x Is Like Adding 99 Servers
A lot of tech discussion these days is focused around scaling infrastructures to handle huge traffic. But it's important not to forget how far simple optimizations can go.
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Stripe’s payments APIs: the first ten years
Abstracting away the complexity of payments has driven the evolution of our APIs over the last decade. Learn more about Stripe payments APIs here.
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Microservices – architecture nihilism in minimalism's clothes
Some recent backtracking from what we have been calling "Microservices" has sparked anew the debate around that software architecture pattern. It turns out that for increasingly more software people, …
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Performant Front-End Architecture
Make your client-side apps load fast and provide a good user experience.
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Making Rust as Fast as Go
software engineer in sydney, australia
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Implementing simple cooperative threads in C
Using setjmp(), longjmp(), and assembly to implement a simple threading system in C!
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SQLite briefing for Linux kernel hackers (2019)
This is a briefing on SQLite intended for Linux kernel hackers, and especially those working on Linux filesystems.
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Why NetNewsWire Is Fast
NetNewsWire is fast because performance is one of our core values. Being fast is part of the very definition of the app.
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We chose Java for our high-frequency trading application
In the world of High-Frequency Trading, automated applications process hundreds of millions of market signals every day and send back…
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Netflix Now Streaming AV1 on Android
By Liwei Guo, Vivian Li, Julie Beckley, Venkatesh Selvaraj, and Jeff Watts