the code is a multi-layer callback. The example code is as follows var arr=[]; let A = ()=>{ B(function(){ C(function(){ let a = 10; arr.push(a); ...
requirements: use Github V3 version of API to get the number of items of a user s star. and user s api does not provide the number of star separately, but provides such an interface " starred_url ": " https: api.github.com users tj starred{ ow...
problem description I just want to simply use php to implement non-blocking tasks https: github.com reactphp what I want to implement is that there are some tasks in function,function in do. After careful consideration, it should not be possible ...
public void method(){ ... for(Object obj: finalObjects){ .... doSth(obj); .... } } when I was traversing ArrayList in the main thread, java.util.ConcurrentModificationException occurred. has checked doSth and di...
isn t Netty based on NIO? Why do you say you are asynchronous event-driven? ...
topic description you need to print in the desired order, as Synchronize does. sources of topics and their own ideas this is a simplified problem of actual requirements related codes Please paste the code text below (do not replace the cod...
since the purpose of asynchronism is to improve throughput, assuming a machine has a maximum of 1000 threads, what is the difference between async mode (DefferedResult) (tomcat threads) for handling requests and async mode (taskexecutor of spring) for ca...
I would like to ask if there is any way to turn asynchronism into Synchronize, similar to ajax in jquery ; similar to this function getData(){ var dataList; $.ajax({ async:false, .... success:function(data){ ...
In vue, I want to get the value of the callback API during the getDepartmentCommon callback, but I can only get the res object during the callback, but I can t get the res.options,. Some people say that it is because my res is set, so how can I get the...
Conceptual problems, I found some articles that I didn t understand. most articles say that NodeJs is suitable to be an IO server because of the high throughput of the asynchronous model. But the asynchronous model is supposed to mean that initiating...
recently, I intend to cache chat data locally. I encountered some problems in the process of using indexedDB,. The code is as follows let db; let chatDB = { indexedDB: window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.msIn...
to rotate 5 pictures, arrange 5-> 1-> 2-> 3-> 4-> 5-> 17 pictures to achieve seamless the actual idea is that the last one rolls to the first one, actually rolls along, cancels the transition at the end of the animation and then switches back to the fi...
id function Slider (id) { this.create(id) }; Slider.prototype = { create: function (id) { this.container = document.getElementById(id); this.list = document.getElementById( list ); ...
let form = new multiparty.Form({ encoding: utf-8 , uploadDir:"public upload", keepExtensions: true }) form.parse(ctx.req, function (err, fields, files) { ...
perPageFiles = filenames.slice(articleIndex, articleIndex + perPage); perPageFiles.forEach(function(filename, index) { fs.readFile(fileDirectory + filename + .md , utf-8 , function(err, data) { if (err) throw err; perPageDatas[index].arti...
for (let iTuno Bitteri < len; iPP) { user_code = ; console.log( 111 ); a.find() .then((res)=> { for(let j=0;j<len;jPP){ b.find() .then((res)=> { }) } }) } if you want to finish checking and e...
response.dataresponse.data.dataundefined ...
WeChat Mini Programs s wx.request is an asynchronous request. Perform background interaction in app.js onLaunch to obtain openid APP({ onLaunch:function(){ wx.login({ success:res => { var code = re...
ASP.NET project, two classes An and B are implemented since IHttpHandler,A normally takes 3 seconds, and B takes 3 seconds. On the client side, two threads are used to request An and B respectively. Through fiddler packet grab observation, the request ti...
recently, I am doing a web crawler, first grab the list page, then get the url, of all the content pages of the list page, and then call the url loop of all the list pages to the crawling method, which leads to the uncontrollable crawling order. I want ...