Programming VIP

What is the route? Why use routing? What is the function of routing? Can I write the source code of route jump? After finishing the routing part, the four company strike made me think deeply. Let's learn vue router's wings~ This is an e-commerce project demo based on vue & Axios & mock & t ...

Smooth restart means that our programs can be restarted without interrupting service, seamlessly linking up old and new processes, and deploying Zero-Downtime. Smooth restart is based on elegant exit, as described in a previous article: Golang uses the Shutdown feature to gracefully summarize the exit of http services There are two main strateg ...

Several key words of search scoring calculation TF: token frequency, the number of times a search field appears in the field (the field to be searched) in the document after segmentation IDF: inverse document frequency, reverse the frequency of a search field in all documents TFNORM: token frequency normalized BM25: algorithm: (freq + k ...

  First package required by the project import urllib.request import urllib.parse from tkinter import * import time PS:Many other people are learning Python In the process, I often give up because I can't solve the problem or I don't have a good tutorial. For this reason, I sorted out the basic python Script to web Development, reptile dja ...

koa koajs: next generation web framework for node.js. Koa is the next generation web development framework based on Node.js. It is a simple and easy-to-use web framework based on middleware mechanism, which is elegant, concise, expressive and free. Web applications with specific functions are realiz ...

Location acquisition method of geolocation API global positioning system Physical location mapped by location information based on IP address Cellular telephone triangulation, according to the distance between different cellular base stations to determine the location. Wi Fi access point completes triangulat ...

About uploading pictures in HTML It is worth noting that when a form contains this upload element, the enctype of the form must be specified as multipart / form data, and the method must be specified as post, so that the browser can recognize and correctly execute it. But there is another point, the browser only allows users t ...

Mind mapping is also called brain mapping He looks like this: Most of the implementation on the Internet is implemented by d3.js, which is manually implemented by svg. Recently, I am very lazy, wondering if it can be realized by css3? The answer is yes html code <div class="mainBody" id="node1"> <h1>node1 ...

import requests from bs4 import BeautifulSoup import re #First, get headers from chrome, including user agent and cookie headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36', 'Cookie': 'tips=1... } #Get information about an individual ...

In web development, we often encounter the problem of getting the same type of tag, such as the following two cases When it is necessary to obtain the specified value of the same label in batch, the newcomer will encounter a little trouble For example, demo with id=problem1 var list1=$("#problem1").children();//Get to problem1 Array of object ...