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New
The latest blog posts to take off on Hacker News. 498 posts.
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Linux distros without systemd
Affordable VM hosting in Glarus, Switzerland, operated by 100% hydropower. Devuan, debian, freebsd, ubuntu, centos. Our tech stack is fully open source.
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A Tale of Query Optimization
Last December, I got an interesting bug report from the VWO support team. It seemed like the loading time of a particular analytics report was ridiculously slow for a big Enterprise customer. Since I am part of the Data platform, a flag was immediately raised and I got involved in debugging the issue.
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Translating an ARM iOS App to Intel macOS Using Bitcode
When Apple introduced Bitcode and made it mandatory on watchOS and tvOS, they kinda hand-waved away questions about why it existed, with nebulous claims about it being useful to tune-up binaries by utilizing the latest compiler improvements.
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Using Rust to Scale Elixir for 11M Concurrent Users
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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FatELF: Universal Binaries for Linux (2015)
FatELF is a file format that embeds multiple ELF binaries for different architectures into one file. This is the Linux equivalent of what Mac OS X calls "Universal Binaries."
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Zero Cost Abstractions
The idea of a zero cost abstraction is very important to certain programming languages, like Rust and C++, which intend to enable users to write programs with excellent performance profiles with relatively little effort. Since this idea is fundamental to the design of Rust and my work, I want to investigate, for a…
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ELF files on Linux
An step-by-step introduction into ELF files. Learn the structure and format, to understand how binaries and libraries on Linux systems work.
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Falsehoods programmers believe about Unix time
It's not quite the number of seconds since 1 January 1970.
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Better HTTP/2 Prioritization for a Faster Web
Advancing the state of the art of HTTP/2 to deliver a faster user experience. See why it matters and how much of a differenc
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Mac: Keyboard Shortcuts Killed by Bug
Want to use App Shortcuts in Mojave? You’re out of luck because its broken, and Apple can’t be bothered to fix it.
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To Message Bus or Not: Distributed Systems Design (2017)
Realize the speed, agility and performance of a scalable, composable web architecture with Netlify. Explore the composable web platform now!
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The speed of BGP network propagation
At the end of March 2019 I did a talk at the INEX’s (Ireland’s biggest internet exchange point) Annual General Meeting. I was supposed to record it, however in a brief panic due to HDMI not working on my laptop I forgot to start a recording of it. Since people found it interesting I figured I would turn it into a blog…
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Distributed consensus revised
Distributed consensus revised Howard, PhD thesis Welcome back to a new term of The Morning Paper! To kick things off, I’m going to start by taking a look at Dr Howard’s PhD thesis, ‘Distributed con…
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Zabbix, Time Series Data and TimescaleDB
Every monitoring system has to deal with three kinds of performance-related challenges. Firstly, a good monitoring system must receive, process and record incoming data very quickly. Every microsecond counts here. This may not seem obvious from the start but when your system becomes large enough all the tiny fractions…
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Introducing Windows Terminal
We are beyond excited to announce Windows Terminal! Windows Terminal is a new, modern, fast, efficient, powerful, and productive terminal application for
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Shipping a Linux Kernel with Windows
Beginning with Windows Insiders builds this Summer, we will include an in-house custom-built Linux kernel to underpin the newest version of the Windows
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Announcing WSL 2
WSL 2 is a new architecture that allows for dramatic file system performance and full system call compatibility in WSL using a Linux kernel.
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Optimizing Magic Pocket for cold storage
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
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How C array sizes become part of the binary interface of a library
We explain how C array sizes become part of the binary interface of a library and examine ways to avoid ABI compatibility issues.
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How to Understand Systems
Solving problems by identifying underlying systems
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eBPF Can't Count?
It is unlikely we can tell you anything new about the extended Berkeley Packet Filter, eBPF for short, if you've read all the great man pages, docs, guides, and some of our blogs out there. But we can tell you a war story, who doesn't like those?
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On lists, cache, algorithms, and microarchitecture
Lists are rather hardware-unfriendly data structure. However, having a closer look at why is that and what can be done to improve this can provide an interesting insight into how high-level algorithms performance is affected by the processor microarchitecture.