2, python parsing XML documents

1. What is an XML document? Extensible Markup Language,Standard General Markup Language A subset of, or XML for short. It is used to mark electronic documents to make them structural Markup Language.  [1]  In an electronic computer, a marker means Computer Information symbols that can be understoo ...

Posted on Fri, 21 Feb 2020 05:35:17 -0500 by Spekta

Using Python to create a spy program

Knowledge points This time we use python to create a spyware program Many knowledge points will be used in the program, roughly divided into four parts win32API can be viewed on MSDN here Python foundation focuses on the use of cpytes library. Please click here Fundamentals of C language   Hook The basic principle of the program is to record ...

Posted on Fri, 21 Feb 2020 03:00:24 -0500 by riddhi

Hand in hand to teach you to write a Python version of K-line synthesis function

When writing and using policies, we often use some uncommon K-line cycle data. However, exchanges and data sources did not provide data for these cycles. You can only synthesize by using data from an existing cycle. There is already a JavaScript version of the composition algorithm( link )In fact, it's easy to migrate a piece of JavaScript code ...

Posted on Fri, 21 Feb 2020 02:53:33 -0500 by suigion

Basic usage of Numpy Scientific Computing Library

NumPy Is the basic package of scientific computing in Python. It is a python library that provides multidimensional array objects, various derived objects (such as mask array and matrix), and various routines for array quick operation, including mathematics, logic, shape operation, sorting, selection, ...

Posted on Fri, 21 Feb 2020 02:16:58 -0500 by dnszero

golang foundation--defer in detail

defer anonymous function feature Executes like destructors in other languages, one by one in the reverse order of the call order after the body has been executed //Reverse execution order package main import "fmt" func main() { fmt.Println("a") defer fmt.Println("b") defer fmt.Println("c") } /*output a c b */ Even if a serious e ...

Posted on Thu, 20 Feb 2020 11:42:17 -0500 by tomato

jumpserver deployment installation

PrefaceWe are familiar with the bastion machine (springboard machine). In order to ensure the security of the server, we add a bastion machine. All ssh connections are completed through the bastion machine. The bastion machine also needs to have identity authentication, authorization, access control, audit and other functions.Jumpserver is the ...

Posted on Thu, 20 Feb 2020 06:26:06 -0500 by brain

[important notes on data analysis and mining 2]

Article directory Software to install - Anaconda Detailed installation steps and methods of Anaconda Anaconda quick download address Choose your version That's it Detailed installation steps of Anacon ...

Posted on Thu, 20 Feb 2020 05:33:04 -0500 by FireyIce01

Python version of classic thermostat strategy

abstract The trend market will not last forever. In fact, the market is in a volatile market most of the time, so some people hope to get a trading strategy, which can be used in both the trend market and the volatile market. So today, we will use the inventor's quantitative trading platform to build a classic thermostat strategy for general t ...

Posted on Thu, 20 Feb 2020 03:25:01 -0500 by bonzie

King glory reptile

Introduction Web crawler (also known as web spider, web robot, in the FOAF community, more often known as web chaser), is a program or script that automatically grabs the World Wide Web information according to certain rules. python is a cross platform computer programming language. It is an object-or ...

Posted on Thu, 20 Feb 2020 02:03:59 -0500 by blackcell

Python learning journal Day11 classes and objects

Today is February 20, 2020, sunny, 6 ~ 14 ℃ First, inheritance Inheritance is a way to create new classes. The new class will get all the properties and methods of the original class. The original class is called the parent class (superclass), and the new class is called the child class. The inherit ...

Posted on Thu, 20 Feb 2020 02:04:29 -0500 by kit