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Learning to break ciphers
Every now and then, I read a question about learning how to break ciphers, or more generally how to become a cryptographer/cryptologist. From my viewpoint, the most important part of learning this…
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,470 posts.
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The strange story of “Extended Random”
Yesterday, David Benjamin posted a pretty esoteric note on the IETF’s TLS mailing list. At a superficial level, the post describes some seizure-inducingly boring flaws in older Canon printers…
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Research papers in the .NET source
This post is completely inspired by (or ‘copied from’ depending on your point of view) a recent post titled JAVA PAPERS (also see the HackerNews discussion). However, instead of looking at Java and the JVM, I’ll be looking at references to research papers in the .NET language, runtime and compiler source code.
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Secure Computing for Journalists
This morning on Twitter, Buzzfeed editor Miriam Elder asks the following question: Possibly stupid question: is the Signal desktop client as secure as the mobile app? — Miriam Elder (@MiriamElder) …
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WTF? Chromium (2016)
Chromium, like Chrome, runs Google's A-B trials (or Field Trials) on users' computers. This is what happened when one of those locked up my machine without warning.
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Building a One-Person SaaS App Offers a Profound Sense of Personal Achievement
It's Raining Mobile Out of 20m global software developers, very few have built a profitable SaaS business. To give some context, consider
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Functor-Oriented Programming
My style of Haskell programming has been evolving over the 15 years that I have been working with it. It is turning into something that I would like to call “functor oriented programming”. The traditional use of typed functional programming focuses on data types. One defines data types to model the data structures…
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Base-4 fractions in Telugu
From the highly eclectic blog of Mark Dominus
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Using cgroups to limit I/O
Developers running their apps on tsuru can choose plans based on memory and cpu usage. We were looking at adding I/O usage as one of the plan’s features, so one could choose how many I/O operations per second or bytes per second a container may be able to read/write. Being able to limit I/O is particulary important…
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Apple Begins High Sierra Automatic Rollout
I have heard rumblings that Apple was considering making a bigger push for macOS users to upgrade to High Sierra. At the time, I was very unsure what that meant. Forcing updates for patch releases, such as 10.13.0 to 10.13.1 is one thing; moving users from Sierra to High Sierra with little input is another thing…
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Google and Paint.NET need to stop misleading users (2013)
The Paint.NET web site runs ads designed to lead naïve users to download unrelated adware. This needs to stop
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C++ on Embedded Systems
Yet another programming blog. Thoughts on software and related misadventures.
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Is there data on the quality of management decisions?
A statement I commonly hear in tech-utopian circles is that some seeming inefficiency can’t actually be inefficient because the market is efficient and inefficiencies will quickly be eliminated. A contentious example of this is the claim that companies can’t be discriminating because the market is too competitive to…
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Disable transparent hugepages
tl;dr “Transparent Hugepages” is a Linux kernel feature intended to improve performance by making more efficient use of your processor’s memory-mapping hardware. It is enabled ("enabled=always") by default in most Linux distributions. Transparent Hugepages gives some applications a small performance improvement (~ 10%…
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How I got banned from Codewars
Hello everyone.
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Bringing back the Somali shilling
Somalia has long played host to one of the world's strangest monetary phenomenon, a paper currency without a central bank. I explored the...
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Golang: Don't be afraid of makefiles
I’m using Golang for a while. During the development, I was used to repeatedly execute “go build”,“go test” manually. This was a bad habit on which I resign. It is not so painful if you use simple command without any args. But in case of more complex tasks, naturally, it is going to be a…
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Bitcoin, Ethereum, Blockchain, Tokens, ICOs: Why Should Anyone Care?
The Crypto market is gaining lots of steam. Gravity-defying price rallies…
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COAP endpoints on IKEA Trådfri
Hi, great work, I was just about to get down to trying to work this out. I’d got as far noticing it was CoAP and DTLS but no further yet ( https://gist.github.com/hardillb/4ce9fc493b792806e39f7fae4b7c28a7 ). CoAP is new to me so finding out it’s somewhat self describing is really useful.
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The long arrow operator in C++
Dr Ivan Čukić -- author of the 'Functional Programming in C++' book, KDE developer and Free/Libre Software enthusiast.
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The Emacs Calculator (2009)
Did you know that Emacs comes with a calculator ? Woop-dee-doo! Call the presses! Wow, a whole calculator! Sounds a bit lame, right?
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Writing a Raytracer in Rust – Part 1
Hello! This is part one of a short series of posts on writing a simple raytracer in Rust. I’ve never written one of these before, so it should be a learning experience all around. So what is a raytracer anyway? The short version is it’s a computer program that traces the paths of simulated rays of light through a…
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Deploying ES2015+ Code in Production Today
Most web developers I talk to these days love writing JavaScript with all the newest language features—async/await, classes, arrow functions, etc. However, despite the fact that all modern browsers can run ES2015+ code and natively support the features I just mentioned, most developers still transpile their code to…