분류 전체보기293 [Rust] Web-Server 제작 (48일차) ==> 수신 스트림 대기 및 수신 시 msg 출력 // main.rs use std::net::TcpListener; fn main() { let listener = TcpListener::bind("127.0.0.1:7878").unwrap(); for stream in listener.incoming() { let stream = stream.unwrap(); println!("Connection established!"); } } >> TcpStream 에서 오는 Data 출력 use std::io::prelude::*; use std::net::TcpStream; use std::net::TcpListener; fn main() { let listener = TcpListener::bind("12.. 2023. 1. 30. [Rust] Thunk 예제 (47일차) fn main() { // Define and call a thunk let thunk = || println!("I am a thunk"); thunk(); // Defining a closure and storing it in a variable to be used later let closure = || { println!("This is a closure stored in a variable"); }; closure(); } fn main() { // Pass a thunk as an argument to a function fn call_thunk(thunk: &dyn Fn()) { thunk(); } let thunk = || println!("I am a thunk"); call_thunk(.. 2023. 1. 29. [MySQL] With 예제 WITH RECURSIVE cte (n, fibonacci) AS ( SELECT 1, 1 UNION ALL SELECT n + 1, fibonacci + cte.fibonacci FROM cte WHERE n with를 통해 조건_1로 필터링 한 data를 조건_2로 다시 필터링 WITH cte AS ( SELECT * FROM table_1 WHERE condition_1 ) SELECT * FROM cte WHERE condition_2; https://chat.openai.com/chat 2023. 1. 29. [Rust] 고급 Trait 예제 (46일차) impl Iterator for Counter { type Item = u32; fn next(&mut self) -> Option; } pub trait Iterator { fn next(&mut self) -> Option; } use std::ops::Add; #[derive(Debug, PartialEq)] struct Point { x: i32, y: i32, } impl Add for Point { type Output = Point; fn add(self, other: Point) -> Point { Point { x: self.x + other.x, y: self.y + other.y, } } } fn main() { assert_eq!(Point { x: 1, y: 0 } + Point .. 2023. 1. 29. 이전 1 ··· 4 5 6 7 8 9 10 ··· 74 다음
