I use vs code to write Linux c programs under Mac, and automatically Synchronize to my remote Linux server machine to compile and run tests. because you want to use the < epoll.h > library, the various constant definitions in it are not prompted unde...
The code is as follows: abstract class Animal { int age; public Animal() {}; public Animal(int age) { this.age = age; } } class Bird { public Bird(int age) { super(age); System.out.println(""); ...
I will now write a simple react component that inherits from react.component. As an intern, I see that colleagues in the company will adopt a step-by-step inheritance approach when completing a piece of content, rather than writing a straightforward com...
const jcado = {}; jcado.arr = []; line.rows.forEach((lineCell) => { const jcados = {}; lineCell.forEach((cell) => { if (cell.name.indexOf( ) &g...
two questions what is the difference between 1.router.routes and router.options.routes? Print router, the latter is always available, the former sometimes does not have 2. After changing the meta of a route in router.route or router.options.routes, pr...
novice practice, write a seamless rotation. It works well under Firefox and IE11. The first time it runs under Google browser, some pictures will not be displayed, but there is no specific error message. It needs to be manually refreshed several times b...