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Why CockroachDB and PostgreSQL Are Compatible
CockroachDB is PostgreSQL compatible in order to be accessible to an ecosystem of drivers, existing code, and developer knowledge.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,508 posts.
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Bringing the browser developer tools to Visual Studio Code
Last year, we released the experimental “Elements for VS Code” extension, giving developers the option of embedding the browser developer to
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Why do most top performers have the highest count of commits and pull requests?
It’s largely known that counting commits and pull requests as a measure of engineering productivity is a bad idea.
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Software should be designed to last
And why I am trying to minimize my dependence on external libraries (whenever possible).
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Proposals for Go 1.15
For Go 1.15, we propose three minor language cleanup changes.
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The Go Compiler Needs to Be Smarter
One of my favorite languages is the Go language. I love its simplicity. It is popular and useful in a cloud setting. Many popular tools are written in Go, and for good reasons. I gave a talk on Go last year and I was asked for a criticism of Go. I do not mind that … Continue reading The Go compiler needs to be smarter
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Hundred Year Mistakes
My manager and I got off on a tangent in our most recent one-on-one on the subject of the durability of design mistakes in programming languages. A particular favourite of mine is the worst of the …
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Amiga Java
Mike Kohn's music, software, and electronics projects.
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Introduction to SerenityOS Programming
This post will give you a quick intro to the basics of GUI programming for SerenityOS.
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0xF Rules
I have been writing articles on this website for twelve years. If you were to look at the early versions , you would think it is a fresh-out-of-school project with icons drawn in Microsoft Paint. And that is exactly what it was. The site started in a world before smartphones and tablets at a time where Apple products…
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GNU GCC does not round floating-point divisions to the nearest value
I know that floating-point arithmetic is a bit crazy on modern computers. For example, floating-point numbers are not associative: 0.1+(0.2+0.3) == 0.599999999999999978 (0.1+0.2)+0.3 == 0.600000000000000089 But, at least, this is fairly consistent in my experience. You should simply not assume fancy properties like…
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Time spent programming is often time well spent
I concur so strongly not only because he writes about RSS, which I'm on record as supporting and using. I enjoy rolling my own simple software in almost any domain. Simple has a lot of advantages. Under my control has a lot of advantages. But the biggest advantage echoes what Dr. Drang says: Programming is often more…
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Rewriting the heart of our sync engine
Over the past four years, we've been working hard on rebuilding our desktop client's sync engine from scratch. The sync engine is the magic behind the Dropbox folder on your desktop computer, and it's one of the oldest and most important pieces of code at Dropbox. We're proud to announce today that we've shipped this…
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Reversing the technical interview (2017)
If you want to get a job as a software witch, you’re going to have to pass a whiteboard interview. We all do them, as engineers–often as a part of our morning ritual, along with arranging a beautiful grid of xterms across the astral plane, and compulsively running ls in every nearby directory–just in case things have…
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Effectively Using Materialized Views in Ruby on Rails
We look at how to utilize both, views and materialized views, within Ruby on Rails with a real-world sized dataset of hockey teams and their top scorers.
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KVM host in a few lines of code
Trying to figure out how KVM-based virtual machine hosts work by implementing one from scratch.
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Summary of all the MIT Introduction to Algorithms lectures (2009)
As you all may know, I watched and posted my lecture notes of the whole MIT Introduction to Algorithms course. In this post I want to summarize all the topics that were covered in the lectures and point out some of the most interesting things in them. Actually, before I wrote this article, I had started writing an...
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Adding tests when you don't have time to
Here's a recipe you can follow when you want to add tests on Legacy Code, but you don't have much ti
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Interactive C++ for Data Science
Interactive C++ for Data Science In our previous blog post “Interactive C++ with Cling” we mentioned that exploratory programming is an effective way to reduce the complexity of the problem. This post will discuss some applications of Cling developed to support data science researchers.
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Applying Textbook Data Structures for Real Life Wins
How we leveraged a textbook data structure in our core platform and achieved a 15x speed up for a key data processing step.
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On Pair Programming
A guide to effective pair-programming
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A New RegExp Engine in SpiderMonkey
Regular expressions – commonly known as RegExps – are a powerful and heavily used tool for manipulating strings in JavaScript. This post describes how we updated the RegExp engine in ...