Programmer Think

Welcome to WeChat official account: FSA full stack operation 👋 1, Dart asynchronous Like JavaScript, Dart is a single thread model based on event loop mechanism, so there is no multithreading in Dart, so there is no distinction between main thread and sub thread 1. Synchronous and asynchronous Synchronization: in the same thread, execute ...

For the use of multithreading, this paper briefly introduces several ways of using multithreading, and uses several simple examples to introduce multithreading. The compiler is visual studio. 1, AsyncFuture The knowledge points used are std::async and std::future 1. std::async function prototype template<class Fn, class... Args> futur ...

Application scenario Students with loans will receive reminder messages to repay the loans every month, and punch in reminder before going to work and class every day, etc. Similar to this regular repetition function, we can use task scheduling to realize it. Task scheduling framework Scheduling frameworkexplainTimerJDK's own class java util ...

Take an example I want to print 1 after 1s, 2 after 1s, and 3 after 3s Traditional asynchronous programming implementation console.log(new Date) setTimeout(()=>{ console.log(new Date,1) setTimeout(()=>{ console.log(new Date,2) setTimeout(()=>{ console.log(new Date,3) },3000) },2000) },1000)   Promise implement ...