Python

GetAttr (object, Name[,default])Gets the object's property or method, if it exists, prints the default value if it does not exist, and the default value is optional. It is important to note that if you are returning an object's method, the memory

I. Pyinstaller INTRODUCTIONPyinstaller a Python script into an executable program that runs on a machine without a python environmentThe latest version is Pyinstaller 3.1.1. Support python2.7 and python3.3+. Can run under WINDOWS,MAC and Linux

TurtlePython comes with a turtle library, just like the name Turtle says, you can create a turtle, and then this turtle can go forward, back, turn left, this turtle has a tail, can put down and lift, when the tail down, The place where Turtle walked

Main use of Wxpython (most mature cross-platform Python GUI toolkit) foreplay: Veteran python GUI program (Tkinter)Import Tkinter.messagebox asMessageBoxclassApplication (Frame): def __init__ (Self,master=None): frame.__init__ (SELF,MASTER,BG="Red")

1. Socket square Socket.getaddrinfo (host, Port, Family=0, Type=0, proto=0, flags=0) #获取要连接的对端主机地址sk.bind (address)Binds a socket to an address. The format of address addresses depends on the address family. Under Af_inet, address is represented as

Directory[TOC]One, function call retrospective 1.1 reasonWhen the log is printed, the statements that print the logs are encapsulated in Print_log_info and print_log_error in order to achieve a hierarchical print of the logs. However, if you print

Before I speak the Python decorator, I would like to give an example, although a bit dirty, but with the decorator this topic is very appropriate.Everyone has underwear main function is used to modesty, but in the winter it can not wind and cold for

In Python, we typically use docstring to add string explanatory documents under Modules, classes, and functions, making it better for developers to understand what this code does. However, write so many comments, we want a document how to do, the

Import re def legit_ip (_ip): Compile_ip = Re.compile (' ^ (25[0-5]|2[0-4]\d|[ 01]?\d\d?) \.) {3} (25[0-5]|2[0-4]\d| [01]?\d\d?] $ ') if Compile_ip.match (_ip): return True Else: return False def ip_intr_extr (h UANGGR): Intr = [10,1

Import Socketimport threading# Create receive route list routers = []# Create Mutex lock = Threading. Lock () # Sets the list of port numbers that need to be scanned port_list = [' 3389 ', ' 2425 ', ' 139 ']# definition query route function def

First, traverse the properties of the object:1.dir (obj): Returns the list of property name strings for the object, including properties and methods.For attr in Dir (obj):Print (attr)2.OBJ.__DICT__: Returns the object's property name and value

one, using pip to install Python packages most newer Python versions come with Pip, so check first to see if the system has PIP installed. In Python3, Pip is sometimes referred to as PIP3. 1, check if PIP is installed in Linux and OS X system

Selenium is a complete Web application testing system that includes test recording (Selenium IDE), writing and running (Selenium Remote Control) and testing parallel processing (selenium Grid). The core of selenium, selenium-based Jsunit, is written

Python Data Analysis Library Python programming languagePythong tutorial:https://docs.python.org/3/tutorial/NumPyProvides a number of commonly used arrays, matrices and other functions to provide Python with a fast multi-dimensional array processing

Talk not much, firstThis Python code can be implemented to get the downloaded file name, download the file size, download speed, etc.Code key points:1, about the download file name acquisition: The code is used in two ways to obtain:(1) Through the

Most of this article is reproduced in https://www.jianshu.com/p/c07f7cd1b548First put your own resolution TechWeb a site image of the code fromPyqueryImportPyquery as Pqheaders= {'user-agent':'mozilla/5.0 (Windows NT 6.1; Win64; x64) applewebkit/537.

1. PrefaceRecently (2018.4.1) in the busy schedule to open a blog, like to be able to learn what they want to precipitate down, this is my system to learn python, called the data Analyst and algorithm engineer Road plan, hope to be interested in the

Below for you to share a Python extract zip file and delete the instance of the file, with a good reference value, I hope to help you. Come and see it together. Using Python to download data, the downloaded data is in the ZIP format, because there

Not to miss the 10 Python good books, respectively, suitable for beginners, advanced to three different stages of the people to read, interested in small partners can refer to In the past, small and medium-sized articles have been recommended a lot

This article is mainly for everyone to introduce the PYQT5 implementation download progress bar effect, with a certain reference value, interested in small partners can refer to The reason is because the company to develop an automatic login to a