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GoAWK: an AWK interpreter written in Go
How I wrote GoAWK, how I tested it, and how I measured and improved its performance.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 808 posts.
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The Second Edition of “Refactoring”
I'm finishing a new edition of my Refactoring book. Here's details and periodic memos about my work.
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Probabilistic Filters By Example
Probablistic filters are high-speed, space-efficient data structures that support set-membership tests with a one-sided error. These filters can claim that a given entry is definitely not represented in a set of entries, or might be represented in the set. That is, negative responses are conclusive, whereas positive…
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React is the new jQuery
I'm Brad Frost, an independent creator, web designer & developer, teacher, speaker, writer, musician, and artist based in Pittsburgh, PA.
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Docker Considered Harmful (2016)
A note in advance: This is absolutely not about Docker being too "opinionated" for me, or other tools being more flexible. I believe that learning and using Docker is just plain more complicated than learning and using the tools I describe below. Docker is genuinely more complex and harder to use than the…
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How generics were added to .NET
Before we dive into the technical details, let’s start with a quick history lesson, courtesy of Don Syme who worked on adding generics to .NET and then went on to design and implement F#, which is a pretty impressive set of achievements!!
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What can we learn from how compilers are designed?
A case study on how compilers decouple components from each other using data.
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Getting Started with Quantum Computing in Python
Quantum computers might sound a bit exotic and far into the future, but in reality, they are now accessible in the cloud or through emulators for everyone to write quantum code. In this tutorial, we’ll go through how you can program a simple quantum computer to generate random numbers.
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Anti-If: The missing patterns (2016)
Software development blog of Joe Wright
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Why Use F#?
Why you should consider using F# for your next project
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Show HN: Solving Rush Hour, the 6x6 Sliding Block Puzzle
Rush Hour is a 6x6 sliding block puzzle invented by Nob Yoshigahara in the 1970s. It was first sold in the United States in 1996.
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Asterisks in Python
There are a lot of places you’ll see * and ** used in Python. These two operators can be a bit mysterious at times, both for brand new programmers...
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Reducing Memory Usage in Ruby
I’ve been working on building a compacting garbage collector in Ruby for a while now, and one of the biggest hurdles for implementing a compacting GC is updating references. For example, if Object A points to Object B, but the compacting GC moves Object B, how do we make sure that Object A points to the new location?…
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Modern PHP without a framework
I’ve got a challenge for you. The next time you start a new project, try not using a PHP framework.
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Go’s hidden pragmas
This is an article about compiler directives; or as they are commonly known, pragmas. It’s derived from a talk of a similar name that I gave last year at GopherChina in Shanghai.
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Haskell's kind system: a primer
In this post we’ll explore Haskell’s kind system, the similarities between types and kinds, and show how these can be leveraged to write safer and more reusable code.
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Announcing the Second Edition of “Refactoring”
I'm finishing a new edition of my Refactoring book. Here's details and periodic memos about my work.
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A Missing Link in Postgres 11: Fast Column Creation with Defaults
How a seemingly minor enhancement in Postgres 11 fills one of the system’s biggest operational holes.
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The Road to GraphQL
The free GraphQL book takes you on a journey to master GraphQL in JavaScript the pragmatic way with React, Node, and Apollo. Grab your free PDF, EPUB, or MOBI and get free updates for new releases. On the road to GraphQL you will learn how to build GraphQL server and client-side applications ...
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Programmer's guide to polynomials and splines
This is a brief introduction into polynomials. From how to make a polynomial run through your set of points to how to make it into a spline.
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How Does setState Know What to Do?
Dependency injection is nice if you don’t have to think about it.
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What happens when you grep the file you've redirected grep to?
I was recently eating lunch with someone who asked a question that I became somewhat obsessed with: what happens when you grep a file and append the contents...
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An Introduction to Cache-Oblivious Data Structures
If you read my recent post about Postgres you may have noted that Postgres operates primarily with fixed-size blocks of memory called “pages.” By default, Postgres pages are 8KB. This number is tuned to match operating system page sizes which are tuned to match hardware cache sizes. If you were to run Postgres on…
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Building your own shell using Rust
This is a tutorial on building your own shell using Rust, in the spirit of the build-your-own-x list. Creating a shell is a great way to understand how the shell, terminal emulator, and OS work together.
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