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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 14,540 posts.
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Implementing FizzBuzz on an FPGA
I recently started FPGA programming and figured it would be fun to use an FPGA to implement the FizzBuzz algorithm. An FPGA ( Field-Progra...
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A common mistake when NumPy’s RNG with PyTorch
A bug that plagues thousands of open-source ML projects.
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Watching Go's new garbage collector move through the heap
Go 1.26 made Green Tea the default GC. We observe its cache-friendliness with perf, visualize the heap to see how Go allocates, and poke at a sparse-page problem a non-moving collector like Go's struggles with.
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Introduction to TCP and Sockets (2001)
This section is an introduction to TCP/IP programming using a sockets API. (Sockets can also be used to work with other network protocols, such as IPX/SPX and Appletalk, but that is beyond the scope of this document.) The standard socket API was originally developed in the Unix world, but has been ported to OS/400 as…
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How terminal works. Part 1: Xterm, user input (2021)
Hi there. I am going to post here thing about my work or my technical hobbies. This means c++, java, haskell, python, linux etc.
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Coding interviews are stupid (ish)
Musings on software, technology, and life by Darren Kopp
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The rise of industrial software
> _**Industrial**_ > > _adj. (sense 3a)_ > > Of or relating to productive work, trade, or manufacture, esp.
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Why Learn Prolog in 2021?
?- learn(prolog).
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Side projects I've built since 2009
Side projects I have shipped, sold, or shut down, from modern.css to older WordPress experiments.
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Cognitive Biases in Software Development
A couple of years ago, I started my first job as a programmer. On the first day, I entered the office, sat in my new chair, turned on the computer, checked out a project from the version control system and opened it in IDE. The first-ever piece of the code I saw looked like that: // TODO it works, but it's ugly…
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A little story about the `yes` Unix command
What’s the simplest Unix command you know?<br /…
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Writing a small ray tracer in Rust and Zig
This is where I write about the stuff that I've been working on.
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An opinionated guide to Haskell
For me, this month marks the end of an era in my life: as of February 2018, I am no longer employed writing Haskell. It’s been a fascinating two years, and while I am excitedly looking forward to what I’ll be doing next, it’s likely I will continue to write Haskell in my spare time. I’ll probably even write it again…
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The Hacker Way: How I taught my nephew to program
Over the last year, my 13 year old nephew developed a love for hacking. From anime chat , to snake , a minimal twitter , a blog , to an anime music startup , he’s built some cool stuff (1). What I’m most proud of though, is that he’s done this with self directed play, rather than with a rigid curriculum.
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Python and Flask Are Powerful
Socolive TV phát sóng trực tiếp bóng đá hôm nay, link xem SocoliveTV sắc nét chuẩn HD. Cập nhật Lịch thi đấu, BXH, Highlight, Kết quả bóng đá mới nhất!
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Finding all regex matches has always been O(n²)
every regex engine that promises linear time breaks that promise the moment you ask for all matches. the problem has been there since the 70s, hiding in the iteration loop.
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Video Chess disassembled and commented
A fully commented disassembly of Video Chess
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"Another World" (game) Code Review
I spent two weeks reading and reverse engineering further the source code of Another World ("Out Of This World" in North America). I based my work on Gregory Montoir's "binary to C++" initial reverse engineering from the DOS executable. I was amazed to discover an elegant system based on a virtual machine interpreting…
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Python For Feature Film
A look into how Python is used to bring your favorite movies to the big screen.
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The Awk book’s 60-line version of Make
A discussion of the minimal version of Make included in 'The AWK Programming Language', as well as a Python port of the AWK program.
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Exploring Linux command-line space time
I was curious to explore how long a program takes to run, how much memory is used over time, and what processes/threads are spawned. To provide answers I wrote a tool, which I named st . Here are a few things I looked into.