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PyPy 2.0 beta 1 released
We're pleased to announce the 2.0 beta 1 release of PyPy. This release is not a typical beta, in a sense the stability is the same or bette...
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The latest blog posts to take off on Hacker News. 21,843 posts.
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Extremist Programming
Lazy evaluation is awesome. What if we made a PL where every data type was lazy?
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Refining Ruby
What does the following code do? If you answered
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Java's Atomic and volatile, under the hood on x86
It’s well known that volatile in Java doesn’t mean the same thing as atomic . As Jeremy Manson says :
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Regexp-based RFC822 email address validation
Mail::RFC822::Address is a Perl module to validate email addresses according to the RFC 822 grammar. It provides the same functionality as RFC::RFC822::Address, but uses Perl regular expressions rather that the Parse::RecDescent parser. This means that the module is much faster to load as it does not need to compile…
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Migrating a large JavaScript project from DOM spaghetti to Backbone.js
Samuel Clay is a grad student in the schools of design and of engineering at Harvard. He founded NewsBlur , a personal RSS news reader, and Turn Touch , beautiful control for the smart home.
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Message Oriented Programming
Designing around the messages, rather than the objects, brought my whole system into focus. If modules communicate by passing around self-contained textual data, or a simple structured format like JSON, they impose fewer assumptions on each other.
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Brian Harvey: Why SICP matters
In 2011, to celebrate the 150th anniversary of MIT, the Boston Globe made a list of the most important innovations developed there. They asked me to explain the importance of SICP, and this is what I sent them:
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OOP Isn't a Fundamental Particle of Computing
It's not about technology for its own sake. It's about being able to implement your ideas.
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Shumway: a SWF interpreter entirely in JavaScript
Today, Mozilla Research publicly announced the Shumway project . Shumway is JS/HTML library which displays SWF (Flash) content entirely using open web technologies.
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My favorite regex of all time
I thought I'd share my favorite regex of all time. [ -~] Any idea what this regexp matches? Scroll down for the answer. . . . . . . . . It matches all ASCII characters from the space to tilde. What are these characters? These are all printable characters! Take a look at this ASCII table. Printable characters start…
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Microsoft's Skydrive sends two million NULL characters
The latest news about Opera web browsers, tech trends, internet tips.
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3 billion items in Java Map with 16 GB RAM
One rainy evening I meditated about memory managment in Java and how effectively Java collections utilise memory. I made simple experiment, how much entries can I insert into Java Map with 16 GB of RAM?
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Go turns three
Happy 3rd birthday, Go!
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Traveling Salesman: the most misunderstood problem
Whenever people start talking about NP-Complete problems, or even NP problems, one of the first examples they reach for is the classic Traveling Salesperson Problem. TSP makes sense because it int...
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The Nature of Lisp
An article about Lisp programming language.
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Writing A Lisp Interpreter In Haskell
An article describing the experience of writing a Lisp interpreter in Haskell.
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Evil, or why Douglas Crockford is harmful to Free Software
Yesterday I received a new serious bug report against Mono in Debian. For those not in the know, “serious” severity is release critical, and can trigger removal of a package from the di…
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ChesSMS: Using Unicode to play Chess over SMS
Twilio posts cloud communications trends, customer stories, and tips for building scalable voice and SMS applications with Twilio's APIs.
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I am a terrible programmer
I recently got this from the co-founder of Artsicle, a startup I interned for over the summer after my freshman year: From: Scott Carleton Subject: just re
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E17 (Enlightenment) enters alpha after 12 years
Enlightenment is a Window Manager, Compositor and Minimal Desktop for Linux (the primary platform), BSD and any other compatible UNIX system. Source code releases are on our download page. Visit our contribute page for our latest source code repositories.
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The birthday paradox in action: calculating the probability of a hash collision
You may feel like you've seen this before. If you have, skip to the end where I talk about a formula, and discuss the relevance to parameters in computer hashing algorithms. In particular, I'm going to talk about how large hash spaces should be to avoid collisions with a given level of probability. If there are just…
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Meet the new Light Table
We have to start with a picture. Or hey, just go download it and see for yourself.
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