Articles and tutorials

🚀 WebAssembly is the perfect runtime for server-side (or serverless) applications

In a recent paper on Science, MIT professor Leiserson et al. noted that, as Moore's Law stalled, “practically all industries will face challenges to their productivity”. But, while semiconductor miniaturization hits the quantum limit, the good news is that “there’s plenty of room at the top”. The drivers for growth will be from more efficient software, new algorithms, and specialized hardware. The paper demonstrated that machine learning tasks can run 60,000x times faster when we replace Python with native code and specialized hardware.…

How to Learn Rust Without Installing Any Software

In this article, we'll learn how to use GitHub Actions to learn Rust from your web browser. We'll code, build, test, run, and release all from a web page. No software needed! Learn with GitHub. Rust is one of the hottest programming languages today. Alpha geeks love it. It is Stackoverflow's most beloved programming language for the past 4 years in a row. One of the most unique and beloved features of Rust is its aggressive compiler that helps you ensure correctness and safety before the program even runs.…

How to Publish a No-code Website in 10 minutes

In this article, I'll introduce a no-code, no-software and no-cost solution to publishing sophisticated web sites managed by non-technical people. The full codebase is on GitHub here. Sir Issac Newton discovered the law of gravity when practicing “social distancing” during the Plague. What will YOU do? One silver lining of quarantine is that all this free time brings out the entrepreneur spirit and creativity in us. However, especially because of the quarantine, now more than ever, any new idea or project must have a web site.…

Access JavaScript functions from Rust

In this tutorial, we will show you how to use the nodejs-helper crate to call Node.js functions from Rust code. Rust functions can now access the file system, network, database, and other system resources from within the WebAssembly container. It is important to note that a better way for Rust programs to access system resources is through the WebAssembly WASI extension, as well as numerous host extensions provided by the SSVM.…

WebAssembly in the browser

WebAssembly was originally invented as a technology solution to speed up code execution inside web browsers. It does not provide a full replacement for JavaScript, but rather works side-by-side with JavaScript. The idea is that JavaScript functions could pass computationally intensive tasks to WebAssembly functions. In this tutorial, we will demonstrate how a simple WebAssembly in-browser application works. The source code of the tutorial is here. A WebAssembly application typically has two parts.…

Rust and WebAssembly

In this tutorial, we will create a very simple but complete WebAssembly application. A WebAssembly application typically has two parts. The bytecode program that runs inside the WebAssembly virtual machine to perform computing tasks The host application that provides UI, networking, database, and calls the WebAssembly program to perform key computing tasks or business logic In this tutorial, the host application is written in JavaScript and runs inside a web browser.…

A Rusty hello world

While WebAssembly supports many programming languages, Rust by far has the best tooling. Rust is voted the most beloved programming language by StackOverflow users for the past 4 years in a row. It is one of the fastest-growing programming languages. Rust is versatile and performant like C, but much safer than C due to its compiler design. Like C, it has a bit of a learning curve. In this tutorial, I will get you started with the Rust programming language.…

🚀 入门文档：在 Node.js 应用中调用 Rust 函数

服务端的 WebAssembly 有很多非常好的用例，尤其是在AI，区块链和大数据应用方面。这个入门教程展示了如何将用 Rust 编写的 WebAssembly 函数合并到服务器上的 Node.js 应用程序中。这…

🍹 树莓派上的高性能 Node.js 应用

树莓派（Raspberry Pi） 是一款功能强大的计算机，个头小巧。树莓派最便宜的机型是 Raspberry Pi Zero， 可以运行功能齐全的 Linux 发行版并驱动高清显示…

ssvmup build 为什么编译失败

[INFO]: Installing wasm-bindgen... thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { description: "Couldn\'t connect to server", code: 7, extra: None }', src/install/mod.rs:182:9 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace Well, this is embarrassing. 当运行 ssvmup build ，报这样的错误时，多半是因为没有网络连接。ssvm…