Дмитрий Беляев

fn main() {
    let a = Box::new(42);
    println!("Stack address of a: {:p}", &a);
    println!("Heap address of a: {:p}", &*a);
    
    let b = a;
    println!("Stack address of b: {:p}", &b);
    println!("Heap address of b: {:p}", &*b);
}

Stack address of a: 0x7fff59586010
Heap address of a: 0x58cf76717b10
Stack address of b: 0x7fff59586018
Heap address of b: 0x58cf76717b10

cat /var/log/nginx/access.log | grep 'GET /path/to/page' | awk '{print $1}' | sort | uniq | wc -l

use std::sync::atomic::{AtomicU32, Ordering};

async fn create_user(
    Json(payload): Json<FromBrowser>,
 ) -> (StatusCode, Json<User>) {
    static COUNTER: AtomicU32 = AtomicU32::new(0);

    // подготавливаю данные на отправку в браузер:
    let user = User {
       id: payload.id,
       username: payload.username,
       tm: payload.tm,
       cnt: COUNTER.fetch_add(1, Ordering::SeqCst),   // считаю отправки; 
    };

    (StatusCode::CREATED, Json(user))
 }

document.addEventListener('DOMContentLoaded', () => {
    // ...
}, {once: true});

let arr: [i32; 10] = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
let mut arr2: [i32; 10] = [0; 10];

arr.iter()
    .zip(arr2.iter_mut())
    .filter(|(el, _)| **el % 2 == 0)
    .for_each(|(el, target)| {
        *target = *el;
    });

Proxy all HTTP traffic to the passed URL.

Proxy all HTTPS traffic to the passed URL.

Proxy all traffic to the passed URL.