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popularity While the technical capabilities of a programming language are very important, the social acceptance of the language also has a huge impact on the ecosystem around the language. It is also a good (or at least reasonable) measurem...
In this online session Leon Vak, who gave 3 excellent presentations about Embedded programming and Linux kernel programming with Rust at Abra, is going to show us how he uses Rust to write programs for an embedded device. Debian Benchmark S...
While the technical capabilities of a programming language are very important, the social acceptance of the language also has a huge impact on the ecosystem around the language. It is also a good (or at least reasonable) measurement of the...
Given an iterator, how can we know how many elements it returns? Unlike with vectors if we have an iterator we cannot just simply fetch the number of iterations it has. We actually need to iterate over all the iterations and count somehow....
June 17 is a rather arbitrary date to write this report, but the Rust user groups page was updated exactly 3 months ago. As I updated the numbers there I wanted to submit it to This week in Rust, but, rather understandably, they don't like...
While working on the Rust Digger I wanted to be able to collect and display the elapsed time of the varous processes. Partially I waned this to be able to profile the code and make improvements where it will make the most impact, and partia...
Rust provides a nice way to create an iterator based on a struct. In this example we are creating an iterator that will allow us to iterate over the Fibonacci numbers. Some iterators have a clear range of things they iterate over, this one...
In Object Oriented Programming languages you can usually define a special method that will be called when the instance goes out of scope or otherwise destroyed. The generic name of this method is "destructor" though in different programming...
This is a simple example on how to use SurrealDB running in Docker and connect to it from your computer using a Rust-based client. It is a simplified version of the example provided by SurrealDB. I assume you already have Docker and Rust in...
Meetup Stats I wanted to know the relative sizes of the various Rust-specific Meetup groups so I collected them into a YAML file and then generated this page. If you are interested which one is meeting in the next month or so check out This...
As your project growth at one point your might feel that splitting the code into multiple crates could be a good idea. It might make the code cleaner and more reusable across projects. You might even decide to publish some of these crates s...
We can use println and eprintln in the Rocket-based code, but it is much better to use the logging facilities of Rocket. I think. Dependencies Nothing fancy. We use Rocket. examples/rocket/logging/Cargo.toml [package] name = "logging" versi...
The Rocket web framework configuration system allows you to override the default values and provide additional keys and values in the Rocket.toml file located in the root directory of the project. There is a whole page about Rocket configur...
Clap allows the definition of subcommand. Each subcommand can have its own separate set of parameters. Many common tools work like this. For example git or gh or for that matter our beloved cargo. Dependencies Nothing fancy here. We use the...
In this article we'll use SurrealDB embedded in our Rust program using an in-memory database. As an in-memory database does not have persistent storage it is not good to store data for a long period of time, but sometimes it can be quite us...
Another one of my counter examples part of the SurrealDB series. This one works on the command line and counts how many times we ran the program with different command line parameter: It works like this: $ counter foo 1 $ counter foo 2 $ co...
In the web application in some field I am expecting a non-negative integer number. Obviously I need to verify that the user does not supply a string or a floating point number. Back in my previous life when I was writing mostly Perl and Pyt...
This is a Counter example, part of the Rocket web development framework of Rust series. Unlike the Single counter in text file example, here we don't use a file on the server to store the counter. Instead we store the counter a cookie in th...
There are several ways to handle errors, or undefined results. One of them is using unwrap. Of course some people will say using unwrap is not handling the error but sweeping it under the carpet in a hope that the garbage won't burst throug...
If you want to learn how to create a Rust library it is very easy to find Crates and see how other people do things. However, if your goal is to create applications, or end-user applications that serve other people as well, eople who most l...
"If Rust is martial arts teacher, Perl is a pub brawler. If you survive either, you’re likely to be good at defending yourself, though both can be pa..."