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has not been actually developed yet, is the process like this the server socket, connected to the PC through Ip and port will get a client_id the PC side takes the client_id to request the server, and the server binds the obtained client_id with th...
want to achieve: the device connects to the server through tcp, and the server processes it in real time and then forwards the message to a web page in real time (you can use websocket), framework to use worker or gateway, to ask for advice ...
the pull-up loading feature is used with better-scroll for the first time. After the data is loaded with the rendering list, the list will automatically bounce back to the original position and will not stay in the loaded list position. The loaded data a...
for example, limit the number of callback lines in an event render div <div> { list.map(row=>{ 50 const result = xxxxx retrun <li>{result}< li> }) } < div> ...
1. If you want to analyze the reasons for canceling an order, some users will check the cancellation reason after canceling the order. The users who check the cancellation reason constitute a large sample. DataFrame, wants to randomly select 100 random s...
1.lqb-web is the name of project ...
learn the radialGradient method of svg effect my understanding is, from the point (fx, fy) = > point (cx, cy), but I do not know how to understand this radius, I hope the boss who knows it will specify it. Thank you? ...
encountered a very strange phenomenon, single-page application. The information shared by Wechat is set up on the page. The configuration information is as follows: wx.ready(() => { wx.onMenuShareTimeline({ title: this.package.tit...
the backend service returns pdf binary stream, how to load and display js, and prompts you to wait during the loading process....
profileForm = this.fb.group({ firstName: [ ], lastName: [ ], address: this.fb.group({ street: [ ], city: [ ], state: [ ], zip: [ ] }), }); if the initial structure is like this I want to dyna...