1, Code: const express = require ( express ); const superagent = require ( superagent ); const cheerio = require ( cheerio ); const app = express (); const test = express (); app.get ( , (req, res,next) = > { superagent.get( https: w...
if you use superagent to request a web page, not all ssr page data can be obtained through the interface (I know it s good to climb the interface directly, but I have a special need to do so). I hope to get the data in the form of cheerio analysis page...
wants to implement the function of port scanning, such as 192.168.1.666 - 192.168.1.666 uses nodejs + express + cheerio personal idea: circular port, use superagent to grab the port of ip between 80-10000, if the port does not exist, then ju...
the small crawler written by node reported an error when it was written to parse the crawled data with cheerio, saying that it was a problem of circular invocation. Paste code: $( -sharplive-list-contentbox>li ).each((i, ele) => { l...
A project of practicing hands. I want to climb the singer information on NetEase Cloud code is similar to . const request = require( superagent ); const cheerio = require( cheerio ); request .get( http: music.163.com -sharp discover artist ca...
first of all, import tkinter and then the error is as follows: Traceback (most recent call last): File "<stdin>", line 1, in <module> ModuleNotFoundError: No module named tkinter but I m already sudo apt-get install pyth...
<el-form ref="formRoot">< el-form> this.$refs[formRoot].validate((valid) => {}); what is the role of the parameter valid in this element check? In what state is it true, and what does it mean when it is true? ...
this is my flask code: < H1 > coding=utf-8 < H1 > from flask import render_template, request,flash, redirect, url_for,current_app,abort from. Import main from.. import db from.. models import Post, Comment from flask_login import login_required,...
var a = [] {x: 1, y: 2, z: 3}, {x: 1, y: 2, z: 4}, {x: 1, y: 1, z: 0}, {x: 1, y: 2, z: 3} ] when the values of y in array an are the same as the sum of the same value z example: a has three y with the same z sum of 3 4 3? Find the optimal solution ...
problem description: when I was working on the actual combat article of Liao Xuefeng, I had a question when operating the database. I first defined two co-programs, and then defined a main co-program await to execute the two co-programs sequentially...