Rust

something like that? trait Callback { fn callback(&self) { println!("default callback implementation") } } and Parent and Child structs struct Parent {} im...

Who uses coolify here ??

If a language manages to mix a lot of good things together in a harmonious way I should give it a good chance even if it looks kinda ugly sometimes. Because it's the features ...

I want to learn once and for all the the different between Mutex / Arc (and more generics for accessing), in async / sync access and lifetime. I think it's the most diffcult p...

Hi, why is a String literal mutable by default when declared. But not mutable by default when passed as argument to some function?

How to setup rust without visual studio?

Hi! I have a question about developing cross-platform apps with Rust. I find it difficult to develop for macOS when I don't have one. (I've already tried Docker OSX/Cloud.) ...

Hello! I have a JSON file that looks like this: { title: "...", data: ....1TB of data } Is there a way with serde_json to deserialize only the title value without loading the...

How can I convert Option<Vec<Value>> into Vec<String>? (Value from serde_json) I tried this: let names: Vec<String> = names.unwrap_or_else(|| Vec::<Value>::new()).iter().map(|...

Can someone suggest to me a project idea to learn async programming? my main lang is rust but my past projects uses sync. I haven't touched async one bit.

How can I send signal from asysnc code into sync loop and tell it to stop? It looks like this: fn sync_task() { loop {}; } async handler(stop: Option<bool>) { if stop: s...

Hello I try to implement websocket server using warp and I get this error: error: borrowed data escapes outside of method label: self is a reference that is only valid in the ...

So I guess the reason they thought a newline wasn't sufficient was in case you want to write multi-line expressions?

How can I use the macro cfg!() for multiple platforms in same time? Something like #[cfg(target_os = ("linux", "macos"))]

Not sure what else they could use tho. I guess : is already used in ternary op or something?

Guys, single threaded or multiple threaded for web server? Whic one do you prefer?

Hello everyone! I'm looking for local database similar to sqlite for using in Rust project which supports vector similarity search out of the box. Do you know something like ...

Hm, do you know what I can use if I want to send the latest logs of execution from one thread to another? I want to read in a non-blocking way, and I want not more than latest...

Is it safe to convert i64 which will be smaller than max size of i32 to i32 in this way: let a: i64 = 5; let b = a as i32; What happens if a is bigger than i32? I guess it wi...