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Thoughts on porting NumPy to PyPy
Last weekend, I attended GitHub's PyCodeConf in Miami Florida and had the opportunity to give a talk on array-oriented computing and Python....
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A few of my Git tricks, tips and workflows
This post is based on a talk I gave at the 18th Cocoaheads Meetup Vienna (CHW018) on Feb 17th, 2011. It is an annotated tour of my Git config, Git related scripts and commands, and various other tips and tricks I picked up over the years. You can find most of these things in my dotfiles repo, as well with a lot of…
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Why Data Structures Matter: left, right folds, btrees
Our experience on Day 0 of JPR11 yielded a nice example of the need to choose an appropriate implementation of an abstract concept. As I mentioned in the previous post, we experimented with Michael…
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Abstract algebra for developers and people who hate math
Hi. I think math is really cool, but, most people (sadly) don't think so. This includes many programmers who in fact enjoy many of the sam...
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Donald Knuth never told Steve Jobs that he was full of shit
You have probably all heard the following story about Jobs meeting Knuth for the first time in 1983. Steve had managed to get Don Knuth, the legendary Stanford professor of computer science, to give a lunchtime lecture to the Mac team. Knuth is the author of at least a dozen books, including the massive and somewhat...
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"I think that djb redo will turn out to be the Git of build systems."
I think that djb redo will turn out to be the Git of build systems. What do I mean by that? Well, think about version control systems before the cryptographic-DAG systems, and especially Git, came along. Everyone (everyone you'd want to work with, at least) agreed that a version control system was…
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The Little MongoDB Book available on GitHub
Karl Seguin's Blog - A mix of coding and creative writing
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Ritchie, Stroustrup, and Gosling interview
This article appeared in Java Report, 5(7), July 2000 and C++ Report, 12(7), July/August 2000 .
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Darts, Dice, and Coins: A beautiful article on a beautiful algorithm
Earlier this year, I asked a question on Stack Overflow about a data structure for loaded dice . Specifically, I was interested in answering this question:
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PyPy's future directions
The PyPy project was long criticised for being insufficiently transparent about the direction of its development. This changed drastically w...
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Free Printed Copies of "Version Control by Example"
The printed copies of Version Control by Example arrived last week. We moved seven tons of books into our fourth-floor office space and all the tenants on the third floor are still alive.
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Understanding "Prototypes" in JavaScript
For the purposes of this post, I will be talking about JavaScript objects using syntax defined in ECMAScript 5.1. The basic semantics existed in Edition 3, but they were not well exposed. A Whole New Object In JavaScript, objects are pairs of keys and values (in Ruby, this structure
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Peter Norvig's Sudoku solver: Clojure & Python side by side
As an exercise, I translated Peter Norvig’s Sudoku solver from Python to Clojure. There have been a couple other attempts before, but they both leaned on Clojure’s reference types as a …
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Overview of Text Editors for Programming on the Mac
In the last 10 years many new text editors became available for Mac OS X. Since I have tried most of them I wanted to give an overview and a brief description about each one of them. This is for developers that are looking for decent editors on the mac to get their job done.
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Scala Feels like EJB 2
At Devoxx last week I used the phrase "Scala feels like EJB 2 to me". What was on my mind? Scala For a number of years on this blog I'v...
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Wield Python's super() like a Jedi
If you aren’t wowed by Python’s super() builtin, chances are you don’t really know what it is capable of doing or how to use it effectively. Much has been written about super() and much of that wri…
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The joys of maintenance programming
Introducing new web service to determine if a number is odd or not. No new code dependency in your npm modules. Can use with almost any programming language, not just Javascript under node.js. No license. Easy to test in a web browser
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