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New
The latest blog posts to take off on Hacker News. 4,390 posts.
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UEFI boot: how does that actually work, then? (2014)
AdamW on Linux and more
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A bug story: data alignment on x86
This sounds unusual. Who ever wants to do this in real life? Normally, we only see code like this as primary school assignments or compiler benchmarks. However, this time it happened in real life.
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The End of the General Purpose Operating System
As interesting chat on Twitter today reminded me that not everyone is probably aware that we’re seeing a concerted attempt to dislodge the general purpose operating system from our servers.
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H265: Technical Overview
HEVC is among us. On January 25, 2013, the ITU announced the completion of the first stage approval of the H.265 video codec standard and in the last 1 year several vendors/entities have started to…
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Docker in Production: A History of Failure
Introduction My first encounter with docker goes back to early 2015. Docker was experimented with to find out whether it could benefit us. At the time it wasn’t possible to run a container [i…
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H.264 is Magic
A high level walkthrough of the basics of video compression techniques used in MPEG, AVC/H.264, codecs.
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Emacs standing alone on a Linux Kernel (2004)
Nano How-To explaining how to setup a root file system with only emacs.
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X86 Register Encoding
If you've ever look at the disassembly output for C or C++ code, you'll probably notice that there are a lot of push/pop instructions. And if you pay close enough attention, you'll notice that the compiler prefers to use certain registers over others. In particular, compilers will prefer pushing "old" registers like…
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Elementary OS
I’m not one prone to knee-jerk reactions, but I’m also not one to sit about idly without considering alternatives. So the first thing I did after the Apple ...
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Robert Elder Software Linux Operating System
Dec 12, 2019 Update: This piece of software is no longer available as I have turned it off due to lack of interest. The article below used to contain a number of links which I have removed. The content below remains only for archival purposes.
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DTrace for Linux 2016
DTrace for Linux 2016: announcing a major milestone: the final kernel capabilities have merged in Linux 4.9-rc1 to enhanced BPF (eBPF) to provide an advanced programmable dynamic tracer similar to DTrace.
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Fedora/RISC-V reaches initial goal
Ha ha only joking. However when we started out on building Fedora on the free RISC-V architecture, the goal we decided on was to get every package in the Fedora @Core group built. I’m happy t…
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A Base Filesystem Project for macOS
OK9 là nền tảng giải trí và cá cược trực tuyến với hệ thống sản phẩm đa dạng, bao gồm thể thao, live casino, slot game, bắn cá, xổ số và game bài.
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“I just want to run a container”
"I just want to run a container!"
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Postgres full-text search is Good Enough (2015)
When you have to build a web application, you are often asked to add search. The magnifying glass is something that we now add to wireframes without even knowing what we are going to search.
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How to Crash Systemd in One Command
After running this command, PID 1 is hung in the pause system call. You can no longer start and stop daemons. inetd-style services no longer accept connections. You cannot cleanly reboot the system. The system feels generally unstable (e.g. ssh and su hang for 30 seconds since systemd is now integrated with the login…
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Software Development at 1 Hz
People keep saying that a one line source code change should take one second to be “effective”. “Effective” meaning that you get some form…
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My love-hate relationship with LuaJIT (2015)
I love LuaJIT for its performance, but its complexity sometimes puts me off.
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My Most Important Project Was a Bytecode Interpreter
In online forums, I often see questions from people new to C++ asking for recommended reading. I usually respond with a certain set of trusted books, with the caveat that no amount of reading makes up for practice: you have to actually work on something. But what would be a good project to work on? Something that…