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I've just learned Rust and I think I'm in love
I’ve decided to learn some Rust recently while working on the Stanford’s experimental course on operating systems. R...
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The latest blog posts to take off on Hacker News. 3,709 posts.
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100 days with Rust: a series of brick walls
A few thoughts on Rust after a few months of regular use.
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How to Use Go Interfaces
I occasionally give free Go consults and code review on top of my daily work. As such, I tend to read a lot of other peoples’ codes. And while this is really more of a feeling *Now, you should go, really? You're a statistician by training ffs, I’ve seen an increase in what I call “Java-style” interface usage. This…
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Exercises in Programming Style
In the book club at work, we recently finished reading Exercises in Programming Style by Cristina Videira Lopes. The book consists of a simple program implemented in 33 different programming styles…
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Tail recursion in Python
The Personal blog and musings of Chris Penner, a designer, developer and future opsimath.
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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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Writing a Microservice in Rust
Musings on navigating the tech bubble with philosophy and self-improvement.
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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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Representing the Impractical and Impossible with JDK 10 “var”
Having benefited from “var” for many years when writing c#, I’m delighted that Java is at last getting support for local variable type inference in JDK 10. From JDK 10 instead of saying ArrayList<String> foo = new ArrayList<String>(); we can say var foo = new ArrayList<String>(); and the type of “foo” is inferred as…
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Clojure Don’ts: Lazy Effects (2015)
Laziness is often useful. It allows you to express “infinite” computations, and only pay for as much of the computation as you need.
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Should you Rust in embedded yet?
A transcript of the talk I given in 2018 about the state of embedded programming in Rust.
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Reasoning with Types in Rust
Hi, I'm Ariel (she/her), a newly-minted member of the Swift team at Apple ! Previously, I helped lead the Luau team at Roblox where my efforts primarily focused on the design and implementation of Luau 's type system. I also led the creation of Lute to support using Luau both to build developer tooling, and as a…
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A Crash Course on ML Modules (2015)
I was having lunch with a couple of Haskell programmers the other day and the subject of the ML family came up. I’ve been writing a lot of ML lately and mentioned that I thought *ML was well worth learning for the average Haskeller. When pressed why the best answer I could come up with was “Well.. clean language, Oh!…
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Escaping Hell with Monads (2017)
As programmers we occasionally find ourselves in “Programmer’s Hell”, where our regular abstractions fail to satisfactory solve certain recurrent problems.
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Mobile Smalltalk
I've been announcing the Open Beta release of my game HexSolve for Android and iOS. HexSolve was written in Smalltalk and people have been ...
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Why writing a linked list in safe Rust is so damned hard
Before I start this post, let me preface it by saying that I’m not an experienced Rustacean by any means. The excellent foks at /r/rust gave a lot of helpful feedback and cleared up some misconceptions I had. Futher errata and corrections are appreciated. This post is aimed at helping other fledgling rust-learners…
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Programming ARM μC in Rust at four different levels of abstraction
This content was originally meant to be presented as part of my workshop on Rust and microcontrollers at the NITC FOSSMeet 2018 . As I was not able to cover it satisfactorily during the workshop, I thought of writing it down!
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research!rsc: Go & Versioning
The official Go proposal is at https://golang.org/issue/24301 , filed on March 20, 2018 and accepted on May 21, 2018.
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Some Notes About How I Write Haskell
I want to say a few words on how I write Haskell as of 2017. Before I go on, I want to make very clear: this is neither a style recommen...
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Maybe you don't need Rust and WASM to speed up your JS
Few weeks ago I noticed a blog post "Oxidizing Source Maps with Rust and WebAssembly" making rounds on Twitter - talking about performance benefits of replacing plain JavaScript in the core of source-map library with a Rust version compiled to WebAssembly.
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What Made Lisp Different (2002)
(This article came about in response to some questions on the LL1 mailing list. It is now incorporated in Revenge of the Nerds .) When McCarthy designed Lisp in the late 1950s, it was a radical departure from existing languages, the most important of which was Fortran . Lisp embodied nine new ideas:
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Yes, code is data, but that's not what makes Lisp cool
There has been some debate on Hacker News lately about what makes Lisp cool , in particular about whether the secret sauce is homo-iconici...
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A look at the J language: the fine line between genius and insanity (2012)
I’ve been looking for a decent TSDB for years now. Took a shot at writing one in Lush using HDF5 (as others have done), but the experiments I did raised more questions than I got answers. I&#…
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Just what does “code as data” mean anyway? (2014)
Recently, I’ve seen popular articles on macros and metaprogramming in Nimrod and Elixir . Both of these are wonderful metaprogramming systems, to be sure, but I couldn’t help but imagine some in the audience smirking inwardly – and occasionally less inwardly. What odd syntax! How out-of-place they are! If only there…
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Sum Types Are Coming (2015)
Just as all mainstream languages now have lambda functions, I predict sum types are the next construct to spread outward from the typed functional programming community to the mainstream. Sum types are very useful, and after living with them in Haskell for a while, I miss them deeply when using languages without them…