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The Story Of Mel
This was posted to Usenet by its author, Ed Nather ( < nather@astro.as.utexas.edu > ), on May 21, 1983.
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Machine Learning in JavaScript
I love machine learning algorithms. I've taught classes and seminars and given talks on ML. The subject is fascinating to me, but like all skills fascination simply isn't enough. To get good at something, you need to practice! I also happen to be a PHP and JavaScript developer.
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Shell programming with bash: by example, by counter-example
As an interactive shell, bash is a terse language for initiating and directing computations.
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Fast and easy Levenshtein distance using a trie (2011)
<img src="http://stevehanov.ca/blog/images/acer.jpg"/> If you have a web site with a search function, you will rapidly realize that most mortals are terrible typists. Many searches contain mispelled words, and users will expect these searches to magically work. This magic is often done using levenshtein distance. In…
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Clojure Distilled
The difficulty in learning Clojure does not stem from its syntax, which happens to be extremely simple, but from having to learn new methods for solving problems. As such, we'll focus on understanding the core concepts and how they can be combined to solve problems the functional way.
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Don't use assembly unless you're an expert
…unless you're an expert at assembly, that is. The title of this post was obviously meant to be an attention-grabber, but it is much truer t...
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Why CCP is still using Python 2
Sorry, the page you were looking for could not be found. Try either checking the URL for errors or visiting the homepage .
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Low-level is easy
My previous entry has the amazingly interesting title "Blogging is hard". Gee, what a wuss, says the occasional passer-by. Gotta fix my image, fast. Think, think, think! OK, here's what I'm going to tell you: low-level programming is easy. Compared to higher-level programming, that is. I'm serious.
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The Performance Cost of Integer Overflow Checking
How much overhead should we expect from enabling integer overflow checks? Using a compiler flag or built-in intrinsics, we should be able to do the check with a conditional branch that branches based on the overflow flag that add and sub set. Code that looks like
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Why curl defaults to stdout
(Recap: I founded the curl project, I am still the lead developer and maintainer) When asking curl to get a URL it'll send the output to stdout by default. You can of course easily change this behavior with options or just using your shell's redirect feature, but without any option it'll spew it out to … Continue…
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Building OS X Apps with JavaScript
OS X Yosemite introduced JavaScript for Automation. This makes it possible to build native OS X apps using good ol’ JS. This article covers the basics and walks through building an example app.
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The Truth on OpenGL Driver Quality
The driver landscape is something that any practicing GL dev must face unless you like having only a fraction of potential customers able t...
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The Magic CmdLine and how I got it back
What am I running inside my bash?
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How misaligning data can increase performance 12x by reducing cache misses
Here's the graph of a toy benchmark 1 of page-aligned vs. mis-aligned accesses; it shows a ratio of performance between the two at different working set sizes. If this benchmark seems contrived, it actually comes from a real world example of the disastrous performance implications of using nice power of 2 alignment…
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Delphi – why won't it die? (2013)
A blog about everything to do with Software Development. Written by a Delphi developer and Development Manager and Certified ScrumMaster.
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Let's Write Some x86-64
…"‘Our speech interposes itself between apprehension and truth like a dusty pane or warped mirror. The tongue of Eden was like a flawless glass; a light of total understanding streamed through it. Thus Babel was a second Fall.’ And Isaac the Blind, an early Kabbalist, said that, to quote Gershom Scholem’s translation…
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Say hello to x64 Assembly, part 1
Introduction There are many developers between us. We write a tons of code every day. Sometime, it is even not a bad code :) Every of us ...
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Hidden Costs That Engineers Ignore
“It’ll only take me a few hours to implement the feature,” we sometimes say. But after finishing, we find that every few weeks, we’re either fixing a bug with the feature, explaining it to another eng
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How to Create Your Own Git Server
Although I'm a happy (also paying) user of GitHub's offerings, there are times when I prefer to host a private repository on a server I control. Setting up your own Git server can be useful if you're isolated from the public internet, if you're subject to inflexible regulations, or if you simply want features…
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Meteor and Qt
Meteor, say hello to cross-platform native app-development. Qt, say hello to a modern, reactive web back-end. TL;DR You can write a nativ...
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Examining PostgreSQL 9.4 – A first look
PostgreSQL is currently entering its final commit fest. While its still going, which means there could still be more great features to come, we can start to take a look at what you can expect from it now. This release seems to bring a lot of minor increments versus some bigger highlights of previous ones. At the same…
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How to be a sane programmer
Business Insider published an article today called The Stress of Being a Computer Programmer is Literally Driving Many of them Crazy. It covers the ty
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Things which aren't magic – Flask and app.route
It's been a while since I've posted so figured it's about time I started a new series on my blog.