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Ruby 3.0 Preview 1
We are pleased to announce the release of Ruby 3.0.0-preview1.
New
The latest blog posts to take off on Hacker News. 5,636 posts.
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Swift System Is Now Open Source
In June, Apple introduced Swift System, a new library for Apple platforms that provides idiomatic interfaces to system calls and low-level currency types. Today, I’m excited to announce that we’re open-sourcing System and adding Linux support! Our vision is for System to eventually act as the single home for low-level…
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Compiling a Lisp: Reader
Adding a reader to our Lisp compiler
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How the CPython compiler works
In the first post of the series we've looked at the CPython VM. We've learned that it works by executing a series of instructions called bytecode....
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Swift on Windows
The Swift project is introducing new downloadable Swift toolchain images for Windows! These images contain development components needed to build and run Swift code on Windows.
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A Picture of Java in 2020
This year Java hit an incredible milestone and reached the grand old age of 25 years. We celebrated its jubilee by running a special online Java day event, where lots of expert speakers shared their e
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My least favorite Rust type
Idx is typically an integral type, but you can make a Range of anything, which will become important later. Here’s a range of Unit:
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Why Not Rust?
I've recently read an article criticizing Rust, and, while it made a bunch of good points, I didn't enjoy it --- it was an easy to argue with piece. In general, I feel that I can't recommend an article criticizing Rust. This is a shame --- confronting drawbacks is important, and debunking low effort/miss informed…
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My Favorite Rust Function Signature
I’ve gotten really into writing parsers lately, and Rust has turned out to be the perfect language for that. In the course of my adventures, I came up with the following:
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C11 and C17 Standard Support Arriving in MSVC
Please see our Visual Studio 2019 version 16.8 Preview 3 release notes for more of our latest features. Update: Windows 10 SDK version 2104 has been
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Python's Innards: Introduction (2010)
A friend once said to me: You know, to some people, C is just a bunch of macros that expand to assembly . It’s been years ago (smartasses: it was also before llvm , ok?), but the sentence stuck with me. Do Kernighan and Ritchie really look at a C program and see assembly code? Does Tim Berners-Lee surf the Web any…
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Go’s Major Versioning Sucks – From a Fanboy
Learn Go (Golang) by writing real code in this interactive course. Practice structs, interfaces, errors, concurrency, and idiomatic backend patterns.
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Statement Regarding the Zen Programming Language
Original English version available below. We are thankful to 株式会社HYPERIA and all the members of the Zig community that helped us with the Japanese translation.
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Which Parsing Approach?
We all know that parsing is an important part of designing and implementing programming languages, but it’s the equivalent of Brussels sprouts: good for the diet, but a taste that only a select few enjoy. Unfortunately, I’ve come to realise that our general distaste for parsing is problematic. While many of us think…
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C’s Biggest Mistake (2009)
C is arguably the world’s most successful programming language. Its success has, of course, endlessly tempted people to improve upon it. Thus, C is probably the patriarch of the longest list of languages. Notable among these are C++, the D programming language, and most recently, Go. There are endless discussion…
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From Rust to TypeScript
I was introduced to Rust in 2018 and has been enamored since. Rust is a system programming language, much like C++. Unlike C++ though, being relatively new, its language design is more modern and sophisticated. Writing with can feel more like writing TypeScript or Haskell. Not surprising since, despite being a…
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Checked exceptions: Java’s biggest mistake (2014)
Checked exceptions have always been a controversial feature of the Java language.
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What Clojure Spec is and what you can do with it
This is the blog version of a talk I gave on the 2017-12-13 at the Athens Clojure Meetup, which was kindly hosted by Skroutz . The video of the talk is available (the talk was given in Greek, but there are English subtitles). This blog entry is not an exact transcript of the talk, I've added links and more information…
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Go modules have a v2+ problem
Go has a problem. Go modules place a strange naming requirement on modules version 2 or greater. Module names on modules v2+ must end in the major version ala …/v2 , and communication of this rule has been weak. It's non-obvious, and the community at large does not understand it.
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Classes are a way of writing higher order functions
Joe and I recently kicked off a re-read of SICP . I can say that it is the most interesting textbook I have gone through. Imagine, you begin with just 4 or 5 constructs, and you end up building algebraic equation solvers, circuit simulators, and even logic programming languages. Because you start off with such few…
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Ruby adds experimental support for rightward assignments
Previously ruby used to support only Rvalue to be assigned to Lvalue. Now, it adds support for Rightward assignment
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How to speed up the Rust compiler one last time
Due to recent changes at Mozilla my time working on the Rust compiler is drawing to a close. I am still at Mozilla, but I will be focusing on Firefox work for the foreseeable future.
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Professor suspended for saying 那个 nà ge
August 28, 2020 @ 6:53 pm · Filed by Victor Mair under Fillers and pause words , Grammar , Mannerisms , Speech-acts
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Elixir Is Erlang, not Ruby
Elixir is not Ruby. The familiar syntax has definitely helped the language win the hearts of the broader developer community. Yet, under the hood, Elixir is all about Erlang.
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I can't believe I'm praising Tcl (2008)
So the other day I both defined Tcl procedures all by myself and used them interactively, and I liked it, to the point where it felt like some kind of local optimum. This entry is an attempt to cope with the trauma of liking Tcl, by means of rationalizing it. I'll first tell the story of my fascinating adventures, and…