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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...
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,834 posts.
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Swift's native Clocks are inefficient
In absolute terms they don’t have much overhead – think sub-microsecond for most uses. Which makes them perfectly acceptable when they’re used sporadically (e.g. only a few times per second).
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Regular expression matching can be simple and fast (2007)
This is a tale of two approaches to regular expression matching. One of them is in widespread use in the standard interpreters for many languages, including Perl. The other is used only in a few places, notably most implementations of awk and grep. The two approaches have wildly different performance characteristics:
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Object-Oriented Entity-Component-System Design
About two months ago, I decided to start developing a fresh codebase for my voxel project – something that many indie developers are probably all-too familiar with, including myself. This time around, there were three major features that I wanted to implement:
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Jax vs. Julia (Vs PyTorch)
A while ago there was an interesting thread on the Julia Discourse about the “state of machine learning in Julia”. I posted a response discussing the differences between Julia and Python (both JAX and PyTorch), and it seemed to be really well received! Since then this topic seems to keep coming up, so I thought I’d…
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A reasonable configuration language
I was fed up with the poor opportunities for abstraction in configuration formats. The many configuration languages that exist already were not invented here, so I wrote my own, at first just for fun. But then it became useful.
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Write an SQL query builder in 150 lines of Python
This is the fourth article in a series about writing my own SQL query builder. Today, we'll rewrite it from scratch, explore API design, learn when to be lazy, and look at worse and better ways of doing things – all in 150 lines of Python!
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C++20 Concepts: The Definitive Guide
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Dammit, MySQL
Update May 2018: This is more rant-ish than I would write now, but it’s my only post to hit the front page of HackerNews (it got to the number 2 spot back in 2010; I saved screenshots), so has a soft-place in my heart.
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T-Wand: beating Lucene in less than 600 lines of code
The design of Datalevin's compact Clojure search engine, its T-Wand algorithm, and the full-text search benchmarks comparing it with Apache Lucene.
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Feature Flags: Theory vs. Reality
A contemplation of how feature management tools might evolve to better support how feature flags are used in practice
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The Dynamic Def – abusing Ruby's def statement
Algorithms, circle mazes, hex grids, masking, weaving, braiding, 3D and 4D grids, spheres, and more!
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Why a program doesn't work when run from a batch file, but works when clicked
Mimicking the operation more accurately.
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i386 Assembly Language trick for storing data in .text
Don’t want a big old bloated multi-kilobyte executable with a data segment, but you do need to store some data?
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Software Architect – A Role, Not a Job
A structure where software architects work on a team separate from the development team can lead to dysfunction, reduced quality, and poor morale.
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Software Friction
In his book On War, Clausewitz defines friction as the difference between military theory and reality: Thus, then, in strategy everything is very simple, but not on that account very easy. Everything is very simple in war, but the simplest thing is difficult. These difficulties accumulate and produce a friction, which…