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Writer: An Open Digital Typewriter (2018)
TL;DR: A digital typewriter based on a Raspberry Pi and an E-Ink screen. The code/build instructions are available on GitHub .
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The latest blog posts to take off on Hacker News. 3,290 posts.
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I can't keep up with idiomatic Rust
Recently withoutboats posted a series of blog posts about some syntax sugar he would like added to Rust.
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A circuit board from the Saturn V rocket, reverse-engineered and explained
In the Apollo Moon missions, the Saturn V rocket was guided by an advanced onboard computer system built by IBM. This system was built fro...
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Mosh
I remember when mosh first came out and thinking "that sounds like a great idea, maybe I'll set it up sometime" and then never getting around to it. Several times over the years I've thought similarly, but it never seemed worth it. A week ago a coworker asked if there were good tools for handling remote terminal use…
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Hours
A novelist friend introduced me to a productivity technique I’ve found effective. I spread it to my friends, and now to my horror management types have discovered it. A friend just told me he…
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Data Science: Reality Doesn't Meet Expectations
OLXTOTO adalah situs menyediakan link alternatif untuk login tanpa hambatan yang di rancang agar pemain bermain lebih stabil dan optimal apabila domain utama mengalamin kendala. Nike Hat Size 6 1/2 6 5/8 6 3/4 6 7/8 7 7 1/8 7 1/4 7 3/8 7 1/2 7 5/8 7 3/4 Head Size (CM) 52 53 54 55 56 57 58 59 60 61 62 Alpha Size - - XS…
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A humble guide to database schema design
Having a good database schema design is crucial for building applications that will need to scale in traffic and complexity. If you happen to do a bad design choice you will see that it takes a lot of effort to stop the pattern from propagating to your backends’ services and controllers, and finally to your frontend.
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The JavaScript Black Hole: A playbook for ethical engineering on the web
A playbook for ethical engineering on the web.
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In Depth: The Game Boy Printer
Diving deep into how this Game Boy accessory really works
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Apple, Amazon, and Common Enemies
It is tempting — and useful — to look at Apple and Amazon’s deal in a bilateral context. It probably makes more sense, though, in the context of Netflix and the future of video.
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Microsoft buys corp.com so bad guys can’t
In February, KrebsOnSecurity told the story of a private citizen auctioning off the dangerous domain corp.com for the starting price of $1.7 million . Domain experts called corp.com dangerous because years of testing showed whoever wields it would have access to an unending stream of passwords, email and other…
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The SeL4 Foundation: What and Why
We have created the seL4 Foundation! But what is the seL4 Foundation, and why did we create it? In a nutshell, these are the reasons (I’ll expand on them below): Provide for the longevity of …
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Cofactor Explained: Clearing Elliptic Curves' dirty little secret
Efficient elliptic curves tend not to have a prime order. This discusses the problems this causes, and the solutions.
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Write your own Virtual CPU in C++ (2014)
I've previously covered writing my own virtual CPU , but I never really fleshed it out and it was never a real thing... For a while, wel...
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Tips for Founders Sales: Lessons from Starting Two B2B Startups
Thus far I’ve founded two bootstrapped B2B startups, and led sales on both. One is off to the races, profitable, and growing. We even hired a general manager so that I can free myself up to work on other projects. The other is slightly more nascent, and just barely at ramen profitability.
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A Little Clojure
This expression: (1 2) represents the list containing the integers 1 and 2 in that order. If you want an empty list, that’s just () . And the list of the first five letters of the alphabet is just (\a \b \c \d \e) .
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Google allows G Suite administrators to monitor and audit user emails
Google allows Google Workspace administrators to monitor and audit users emails. An Administrator may use Google Vault, Content Compliance rules, Audit API or Email delegation to view and audit users emails. It is recommend for Google Workspace Administrators to consider their local laws before performing email…
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Io_uring By Example: cat, cp and a web server with io_uring
io_uring is a clever new, high-performance interface for asynchronous I/O for Linux without the drawbacks of the aio set of APIs. In this 3-part article series, we look at how to use io_uring to ge…
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Userdir URLs like https://example.org/~username/ are dangerous
This blog is written by Hanno Böck. Unless noted otherwise, its content is licensed as CC0 .
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IKEA Frekvens LED box hack
Ikea is an interesting store. Even if you go in having in mind you're only going to buy that one thing that you actually need and this time you're not going to be distracted by other crap, you tend to come out with about three times the amount of things you wanted to buy. For us hackers, especially Ikea-fare equipped…
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Nintendo’s Philosophy: Lateral Thinking with Withered Technology (2015)
‘Cutting-edge’ is the term usually associated with blockbuster product releases, yet the philosophy of product development central to the…
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Doing a math assignment with the Lean theorem prover
Note: this post was written for Lean 3; the latest version, Lean 4, is a very different language. Turn back the clock to 2009: a confused physics major newly infatuated with math and computer science, I enrolled in MATH 273: Numbers and Proofs at the University of Calgary. This wasn’t my first encounter with…