var myNumber = { value: 1, add: function(i){ var helper = function(i){ console.log(this); this.value += i; } helper(i); } } myNumber.add(1); Why does this this point to window?? The add method called by the myNumber o...
in the development of the ElementUI+Express project, uploading pictures encountered this problem: 1ElementUI: <el-upload action="http: localhost goods addNewGoodsPicture" :limit="1" :onError="uploadError" :onSuccess=&q...
Please recommend the library reported by error monitoring at the front end, or post relevant codes the discovery written by myself is not comprehensive, unable to listen for resource errors, but can only listen for run-time errors. I don t know if th...
for example, I request localhost:8080 a b c.cd proxy to http: www.aaaa.com api can you change a b c.cd to a b c , before proxy? means that the agent rewrites the original path before. ...
In the scenario, the front end uploads the file to node api,api through xhr and calls the upload method put of Aliyun oss sdk (or multipart), Aliyun is responsible for uploading the file to oss.. Well, the problem is that when the front end monitors the...
you need to build a http service with nodejs, but the service has scheduled tasks to handle. it seems impossible to use native http server. Is there any way to do it? Or other modules? ...
I ve been looking for it for a long time, but I can t find it. 1. After the direct upload of web is completed, the server cannot know whether the file was uploaded successfully, who uploaded it, and the information of the file 2. Using web to dire...
my page uses the views layouts index.hbs template, in which there are three links corresponding to three pages. The question now is: how can I get the current path, because I want to set the active class name to the corresponding link according to t...
I can run before packaging without any error reports. This problem occurs after packaging. reports such an error in the browser, using scaffolding made by create-react-app, and the back end is Node.js, backend. No error is reported: packages two diff...
adopt a reward of 10 yuan, 1045 Access denied for user root @ localhost (using password:NO) recently, when I was at the front end of my self-study, I came into contact with a little bit of database. This happened when I made a new connection on ...
...
var http = require("http") var server = http.createServer(function(req,res){ console.log("hello") console.log(2222) res.setHeader("Content-Type","text html","charset=gbk") res.write( <...
1. Notes printed by Bluetooth printer are garbled in Chinese 2. 3. ...
do the gods have plug-ins for uploading attachments in the mobile version that can also be uploaded more than one? ...
suppose there are only a.js and b.js (only two js and nothing else) b.js export A variable is used for a.js can you directly use import and export without using packaging and compilation tools such as webpack or babel can it be achieved with the h...
sincerely ask for advice: < hr > I want to use node as the background to build a video streaming server. The front end is similar to Youku VOD. It can record the playback node function, and load the progress bar at any point (starting from the c...
var http = require("http") var server = http.createServer(function(req,res){ console.log("jirengu") res.setHeader("Content-Type","text plain";"charset=gbk") res.write( <h1>jirengu<...
take RSA as an example: 1. The server generates public and private key pairs, and the public key is sent to the client 2. The client uses the public key to encrypt the information, get the ciphertext S, and send it to the server 3. The server rece...
I now want to test a method in a dubbo service through a unit test, but this method modifies the data in the database every time, and the unit test cannot be repeated. so I want to use Spring-test for automatic rollback of unit tests. In my Spring+MyB...
see that there is a saying that the thread usually gives up cpu Thread.currentThread().yield(); IO Sleep, wait so does the thread give up cpu when it is blocked by synchronized, reentrantlock, etc.? ...
I want to disable the state of my row of action buttons when prop:enabledStatus is enabled; when prop:enabledStatus is disabled, my row of action buttons become enabled; according to judgment, only one status button appears. How to do it, ask the great...
<form class="layui-form form-horizontal" action="{:url( admin menu add )}" method="post"> <input type="text" name="action" autocomplete="off" placeholder="" class="layu...