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