The example code for the chapter Advanced trait has an extra parenthesis at the end. How strange! Rust s bug? ********** * * * (1, 3) * * * ********** rust online running link related codes use std::fmt; trait OutlinePrint: fmt:...
Rust is a novice rookie. I began to learn this young language just a few days ago, and I have been learning it for almost half a week. I have to say that there are many things I don t quite understand about the syntax of Rust, and the threshold for en...
A personal blog-like website developed using javaweb, the home page needs to load a lot of things, such as articles, mood quotes similar to Weibo, latest comments, announcements, and broadcast pictures. I originally wanted to use freemarker, but I found ...
Code of error: match *self { ... } I don t quite know the difference between the two. Why does the former cause move or copy?? ...
wrote this part of the function with draggable component, but encountered some problems, ask the gods to advise first of all, the requirement for this part is to drag the label on one side to the array on the other side. but you can only drag the tag...
problem description the tag tag here is traversed. I need to add a length display to the content, and use it if it exceeds the length. Hide the that I set the width but didn t take effect at all. the environmental background of the problems and w...
1. Three arrays [1Jing 2 code 3], [4 Jing 5], [6 Jing 7] expands into 145147156157246 2. Array objects [{name: a ,children: [{name: a-1 }]}, {name: b ,children: [{name: b-1 }]}] expand to [{name: a }, {name: a-1 }, {name: b-1 ...
await did not wait for promise to come back async function getDataFromDB(type,sql,connect_handler,data=[]){ return new Promise(function(resolve,reject){ if(type == "mysql"){ if(data.length == 0){ let t ...
1, business needs, ah, to add jquery plug-ins in the ant design pro system, but after startup to refresh to display! 2. The modularization of css in ant design pro makes it particularly troublesome to add and modify complex css files. The most important...