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In The Hitchhiker’s Guide to the Galaxy by Douglas Adams, the number 42 is the “Answer to the Ultimate Question of Life, the Universe, and Everything”. But he didn’t say wha…
New
The latest blog posts to take off on Hacker News. 95 posts.
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Statistical Formulas For Programmers
When someone says “7 is greater than 5”, you declare that they’re really the same.
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Creating Shazam in Java
This domain is available for sale. Check out price, information and more on Dovendi.com
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D-Wave: Truth finally starts to emerge
Wrap-Up (June 5): This will be my final update on this post (really!!), since the discussion seems to have reached a point where not much progress is being made, and since I’d like to oblige …
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Ten Years of Purely Functional Data Structures (2008)
In 1998, I published a book called Purely Functional Data Structures . Ten years later, the book is still selling well. (Every time I get ...
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Bezier Curves and Picasso
Pablo Picasso Simplicity and the Artist Some of my favorite of Pablo Picasso’s works are his line drawings. He did a number of them about animals: an owl, a camel, a butterfly, etc. This piece called “Dog” is on my wall: Dachshund-Picasso-Sketch (Jump to interactive demo where we recreate “Dog” using the math in this…
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Bayes' rule in Haskell (2007)
Random code snippets, projects and musings about software from Eric Kidd, a developer and occasional entrepreneur.
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A non-mathematical explanation of one way functions
Alice and Bob are crossword enthusiasts. Every morning they rush to complete the Daily Telegraph cryptic crossword . One morning Alice fini...
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Stochastic Superoptimization
An “optimizer” should really be called an “improver”, and a “superoptimizer” should be called an “optimizer” 🙂
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I analyzed the chords to 1300 songs for patterns. Part 3 – Interactive Discovery
Last year, we discussed the first results of a long term effort to study the patterns found in the chords of popular songs. The reception that we got was incredibly positive, and we received a ton of great feedback. The two most common questions we’ve gotten from people have been: Our answer: Hooktheory Trends How...
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Short algorithm, long-range consequences
A new technique for solving ‘graph Laplacians’ is drastically simpler than its predecessors, with implications for a huge range of practical problems.
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Court of Appeal bans Bayesian probability
As of the 23rd May 2022 this website is archived and will receive no further updates .
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The StarCraft path-finding hack
StarCraft pathfinding looked impossible to fix until one ugly hack changed everything. Here's the trick that shipped.
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The Elsevier boycott one year on
A few days ago was the anniversary of the beginning of the Cost of Knowledge boycott of Elsevier. It seems a good moment to take stock of what the boycott has achieved and to think about what progr…
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Why there is no Hitchhiker’s Guide to Mathematics for Programmers
For those who aren’t regular readers: as a followup to this post, there are four posts detailing the basic four methods of proof, with intentions to detail some more advanced proof techniques in the future. You can find them on this blog’s primers page. Do you really want to get better at mathematics? Remember when…
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48th Mersenne prime found
GIMPS has discovered a new Mersenne prime number: 2^57885161-1 is prime! Discovered: 2013 Jan 25
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You've heard of Markov chains. But who was Markov?
Harvard celebrates the 100th anniversary of a computational principle that was little noticed in its time, but that underlies all of modern science.