installation seems to have been successful. What is the following error? Does anyone know ...
that is, will it cause sticky packets after writeObject followed by socket.getOutputStream.write (),? if so, how can you predict the number of bytes to be sent and give the packet header information? HashSet<String> IDs=new HashSet<String>...
for example, I have such a simple code block, the main function is to receive http requests through the flask application, then judge the validity, and then send the combed data to other modules using tcp. So should the class that sends tcp requests inhe...
how do node and socket.io take the initiative to send messages to the front end I use node to read data from the database, and send new data directly to the front end. Because the database is sometimes updated several times in a minute, node reads it ...
this is my code const Koa=require( koa ); const http=require( http ); const https=require( https ); const app=new Koa(); const fs = require( fs ); const enforceHttps = require( koa-sslify ); const config = require( . config ); const option...
I called the emit method of socket in the loop to send events to the front end, and sleep each loop for 1 second. However, in the course of testing, it is found that the front end is cumulative to handle these events. For example, I looped 10 times, and ...
how to use socket.io in express4.x version routing? I ve been looking for the answer for a long time. The Internet is full of express3.x version ....
there are two columns div, on the left is a list pulled back according to the background interface, and on the right is the content. If you want to set the height of two columns, my idea is to get the element height and set the height of two columns, bu...
prompt: could not find main class com intellij idea Main when android studio starts...
problem description the pie chart has been drawn. To add a click event to the pie chart, you need to get the index, assigned to the this.index, but the print is still empty. It seems that in the click event, there is no way to read this.areaEnergy, ...
< H2 > hierarchical relationship table (processed using baum) < H2 > when the distributor buys, the performance automatically adds up to all his superiors monthly performance the settlement method determines whether the minimum settlement ra...
when beginner python, sees metaclass, type is a metaclass when the generated class object is returned in the _ _ new__ method of metaclass, so what s the difference between return type.__new__ (cls, name, bases, attrs) and return type (cls, name, ...