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Personal Notes on Corman Lisp 3.1 Release
Today, as I announced earlier, the Corman Lisp 3.1 has been released after more than a decade-long break. Somehow it happened that I am one of the active mai...
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The latest blog posts to take off on Hacker News. 2,330 posts.
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What If Linus Torvalds Gets Hit by a Bus? (2000)
The question on the lips of everyone in the Linux community is, "What if Linus Torvalds (affectionately known to the trade press as 'Linux Torvalds') gets hit by a bus?" Reams of virtual paper have been wasted on idle speculation about the results of what is a fairly simple experiment. We decided it was high time…
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Even more fun with building and benchmarking Firefox with GCC and Clang
Recent switch of official Firefox builds to Clang on all platforms has triggered some questions about the quality of code produced by GCC c...
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Comparing Pythagorean triples in C++, D, and Rust
EDIT: As pointed out in the Rust reddit thread, the Rust version can be modified to run faster due to a suble difference between ..=z and ..(z+1). I’ve updated the measurements with rustc0 be…
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Build your own IoT/MQTT node for less than $2
How to use a bare ESP-12F module as a standalone IoT/MQTT node — powered directly from a USB charger with just a handful of passive componen...
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FizzBuzz in ten languages
Updates (2024) Since this post was originally written, the FizzBuzz github repository has received 23 additional contributions so the total…
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A foreigner's guide to WeChat payments in China
Set up WeChat Pay and AliPay as a foreigner in China: linking a foreign card, loading and transferring RMB, and paying by QR code without cash.
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The Uncharity of College: The Big Business Nobody Understands
How Colleges Make More Money Than God By Giving It Away
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The Elements of UI Engineering
What makes UI engineering difficult?
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Chinese Crankshafts (2012)
To read an updated on this story please click on this link: Chinese Crankshafts for Corvairs, update 2/17/13. If the pictures on this story are small, try clicking on the F5 key at the top of you…
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The Feynman Technique: The Best Way to Learn Anything (2012)
Master the Feynman Technique: Nobel laureate's 4-step learning method to understand anything deeply through teaching, simplification, and systematic review.
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Jean Bourgain
I have just learned that Jean Bourgain passed away last week in Belgium, aged 64, after a prolonged battle with cancer. He and Eli Stein were the two mathematicians who most influenced my early ca…
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How long is that Bézier?
Blog of Raph Levien.
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A little-known C feature: Static array indices in parameter declarations (2013)
Explanation of a little known C feature – and yet another use of the “static” keyword!
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It is fast or it is wrong
Fast programs are always fast, slow programs are slow even on a most powerful computers. Knowing that fast solution exists makes slow one plain wrong.
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Connected Components – The one Graph Algorithm you need to know
Graphs provide us with a very useful data structure.
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How DOOM fire was done
The Game Engine Black Book: DOOM features a whole chapter about DOOM console ports and the challenges they encountered. The utter failure of the 3DO, the difficulties of the Saturn due to its affine texture mapping, and the amazing "reverse-engineering-from- scratch" by Randy Linden on Super Nintendo all have rich…
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Things I Don’t Know as of 2018
We can admit our knowledge gaps without devaluing our expertise.
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“Modern” C++ Lamentations
“ Standard Ranges ” blog post by Eric Niebler – about C++20 ranges feature – was doing rounds in the game development twitterverse lately, with many expressing something like a “dislike” (mildly said) about the state of modern C++.
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AirPods get stuck in low-quality 16 kHz audio mode when starting a VM
I always love when I find a really dumb solution that works reliably to fix a problem that should never really be a problem in the first place. But having worked with audio devices before—though nothing nearly as complex as the AirPods—I am willing to cut Apple some slack in building a seamless aural experience with…
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Fridge 0.2
My offgrid, solar powered, zero-battery-use fridge has sucessfully made it through spring, summer, fall, and more than enough winter.
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What Kagglers Are Using for Text Classification
With the problem of Image Classification is more or less solved by Deep learning, Text Classification is the next new developing theme in deep learning. For those who don’t know, Text classification is a common task in natural language processing, which transforms a sequence of text of indefinite length into a…
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Text Matching Using Cosine Similarity
Recently I was working on a project where I have to cluster all the words which have a similar name. For a novice it looks a pretty simple job of using some Fuzzy string matching tools and get this done. However in reality this was a challenge because of multiple reasons starting from pre-processing of the data to…