Batch verification of 1000 apk s in Python UU (with hands-on materials)
Next to the previous case: Download 1000 apk s in batch in Python , we only talked about how to download,
In fact, the form provided by the marketing department includes not only the download address of apk, but also the version number of apk and MD5 information,
How to ensure that the 1000 apk s you downloaded are correct in the download proc ...
Posted on Tue, 07 Apr 2020 06:58:11 -0400 by sameerni
Usage and xpath syntax of the summary selector
Preparation
html example:
<?xml version="1.0" encoding="UTF-8"?>
<html
<head>
<title>text</title>
</head>
<body>
<div class="cdiv">
<p class="cp1 section">test p1 <span>next p1</span></p>
<ul>
<li id="0">1</li>
<li id="1">2 ...
Posted on Tue, 07 Apr 2020 06:14:04 -0400 by Maeltar
How to build a blockchain
This article is translated from Learn Blockchains by Building One by @dvf , original link: https://hackernoon.com/learn-blockchains-by-building-one-117428612f46
On October 24 last year, blockchain was promoted to the national strategic position, and companies including traditional large enterprises and central enterprises have laid out ...
Posted on Tue, 07 Apr 2020 05:57:14 -0400 by adams0423
ATM shopping cart project + three-tier architecture design
ATM shopping cart project
Simulation Implementation of an ATM + shopping mall program.
The program realizes the functions of login, registration, withdrawal, recharge and repayment of ordinary users, and supports the function of shopping in online shopping mall.
When the account balance is enough to pay the price of the goods, the payment will ...
Posted on Tue, 07 Apr 2020 01:56:46 -0400 by dankstick
When I learned Python, I became not only a programmer, but also a musician!
Nowadays, many people try to create musical instruments by computer. The common method is to randomly generate a piece of music and score it according to the similarity of the existing music. I do the same? No, it's inefficient to do so. There are thousands of randomly generated songs and only one passed. The computing speed is also very low (s ...
Posted on Mon, 06 Apr 2020 09:56:06 -0400 by dukeu03
Popular explanation lets you understand the object-oriented inheritance in Python in seconds
Object Oriented Programming, one of the main functions of object-oriented programming is "inheritance". Inheritance refers to the ability to use all the functions of an existing class and extend them without having to rewrite the original class.
Inheritance, in fact, is that I wrote a father class and a son class. The father has money ...
Posted on Mon, 06 Apr 2020 05:36:42 -0400 by diesel
Fireworks delivery and code analysis of pygame in python
When fireworks bloom, they are gorgeous, and suddenly want to use Python to make a fireworks. This example is relatively simple. Let's take a look at the renderings:
Step 1: module import
import pygame, math, time, random, os
from sys import exit
Step 2: define the relevant initial
win (w = width, h = height)
WIN_W = 2200
WIN_H = 1300
Defin ...
Posted on Sun, 05 Apr 2020 22:37:23 -0400 by ryanwood4
Python Chapter 11 - common module 05 openpyxl module
Python common modules
5, openpyxl
openpyxl module is a Python library for reading and writing Excel 2010 documents. If you want to process Excel documents with earlier formats, you need to use additional libraries. openpyxl is a relatively comprehensive tool that can read and modify Excel documents at the same time.
5.1. Install openpyxl module ...
Posted on Sun, 05 Apr 2020 21:54:54 -0400 by jabbaonthedais
python learning II, common string operations
String can be said to be the most widely used in daily development. Now let's summarize some common operations related to string in python
First we declare a string variable
1 str = "hello world"
Let's introduce each method in turn
print(str.capitalize()) #String initial uppercase
print(str.casefold()) #String all characters lowercase
pr ...
Posted on Sun, 05 Apr 2020 18:05:27 -0400 by mtb211
HTML language learning, Web interactive behavior management, JavaScript language use
2018.03.29*****************************Good Day*****************************
author: wills
Today, we will introduce how to use HTML to make web pages to manage dynamic events, using JavaScript (js for short). Let's give you a simple example. If there is a very simple web page.
A hotel, called hotel, has 15 rooms ...
Posted on Sun, 05 Apr 2020 16:11:19 -0400 by irishdreaming