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								Using node to build video streaming server
								
  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... 
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								Can I use import and export directly?
								
 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... 
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								How does nodejs achieve the coexistence of http server and scheduled tasks?
								
 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? 
... 
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								Javascript error monitoring reported library
								
 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... 
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								How to fix the error of visual studio code
								
 
 
 this visual studio code has inexplicably linked more than 5,000 files after I built a project inexplicably, which may be related to GitHub. 
 excuse me, how did this happen? 
 how can I fix it? every time I open it, I feel so unhappy 
 Thank you! 
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								Mongodb cannot be started under mac
								
 suddenly became interested in mongodb, installed and started with brew according to the rookie tutorial, but showed  "waiting for connections on port 27017 " for a long time, then   
 as a front-end younger brother who still has a narrow range of knowle... 
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								The bizarre picture loading problem of vue-cli
								
 the backend returns the image address, and after stitching the string, it is displayed on the page 
The actual address displayed by the src of  img is  http:  localhost:port + picture address 
 which god knows how to solve this problem 
img src
img src... 
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								Packages that were previously installed globally through npm after nvm switching versions are invalidated
								
 packages previously installed globally through npm fail when nvm changes versions 
 cnpm no damn commands can be used, 
 how to solve it? 
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								Publish your own npm package, and windows reports an error.
								
  
 is in window. How to deal with it? Be in a hurry 
... 
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								Koa,webstorm reported an error
								
  
 as shown in the picture, red, is there something wrong 
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								Whether the website must be port 80
								 whether all web access must be port 80,  because port 80 will be reviewed  if I deploy a website on the CVM that is port 3000,  is not allowed by policy. Both the server and domain name are registered .... 
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								Node returned the file to the browser and did not respond.
								
 node returns the code of the file: 
http:
response, , , 
 No response  looking for support from an experienced dalao has been bothering me for a long time 
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								The name of the field found by mongoose custom
								
 1. Write some mini applications with node recently. Using mongoose. There is a small problem. Do not understand (may not understand the English document or do not understand). 
 for example: 
    video.find({},(err, videos) => {
        videos.forEac... 
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								How do I view some user behavior or event in the browser that causes the page to be redrawn or reflowed?
								 actions such as filling out forms, clicking buttons, etc. ... 
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								On the Standardization of the use of git
								
 the unfinished code on the day of submission (the function has not been written yet). How do you usually write commit for submission? Still don  t submit it if you haven  t finished it .
 is there a general team specification? 
... 
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								React's warning
								
 an error was prompted after using server-side rendering 
 
mobx
 
 Please also explain 
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								About the interface when axios introduces the local json file.
								
 A vue actual combat project imitating ele.me on Mu course net, which has set up route, uses json file mock data locally, json file is placed in static folder, and wants to be extracted with axios. Just look at the seller section of json. The json conten... 
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								What is the endless cycle of while? Why did you enter an endless cycle?
								
 let status = true; 
 while (status) {
} 
 console.log ( "not executed here "); 
... 
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								How can the variables obtained by json in node.js be converted into global variables?
								
 something like this: 
 var aaa = 0;  http.get (   http:  abc.com api "  , function (res) {
var json =     ;
res.on(  data  , function (d) {
    json += d;
});
res.on(  end  ,function(){
      
    json = JSON.parse(json);
    aaa = json;
});
}). On (  e... 
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								Does vue introduce vue files so dynamically?
								 I need to introduce a new vue file when the vue project is running, which is generated by the server and requested back through ajax. How can I achieve this function? ...