Python

This is the 5th article on Python, which focuses on the way in which parameters are passed and how you can design your own functions.AThis article mainly introduces 2 kinds of parameter transfer methods.Position parametersWhen a function is called,

Three handshakes and four waves in the TCP protocolEstablishing TCP requires three handshakes to be established, while disconnecting requires four handshakes. The entire process is as follows:Let's take a look at how to make a connection.First, the

V: Using Python to organize an interface test caseInterface testing is actually a few steps. get the interface. URL Address See how the interface is sent Add request header, request body Send to view returned results, verify the

V: Python serialization and deserializationput python the object encoding into JSON the format of the string, deserialization can be understood as: the JSON formatthe string is decoded to python The data object. in Python 's standard library, the

1. Installing SeleniumPip Install seleniumcollecting Selenium downloading SELENIUM-3.4.1-PY2.PY3-NONE-ANY.WHL (931kB) 100% | ████████████████████████████████| 942kB 573kb/s Installing collected packages:seleniumsuccessfully installed selenium-3.4

As a salted fish University played 3 years of game just waking wake up, and now began to learn something, here to record their own learning.Urllib Library before some understanding will not write, starting from the requests library (ˉ▽￣~).The first

introduction of 1.1-python:to put it simply, the python thing is a programming language called Guido van Rossum, a program ape who spent his time in 1989, determined to develop a script. Its previous name is an inheritance in the ABC language. It's

1. The first Python program:Print ("Hello world!") Print Hello world! Run Result: Hello world!2. Variablesvariables, which are used to store things so that they can be called later.Rules for defining variables:A variable can be any combination of

#python 3.5, Win10Introduction Package#os. ChDir (' path ')Import OSImport subprocess#https://docs.python.org/3.5/library/subprocess.html?highlight=subprocess#module-subprocess#http://ltp.readthedocs.io/zh_cn/latest/ltptest.htmlRun 1 ProcessP1 =

Logging, so the name wanton is the log, I 艹, this cultural heritage!Logging is a python built-in log module that facilitates log writing and output for everyday applicationsThe logging is divided into 5 log levels, namely:Debug, info, warning, error,

11#! /usr/bin/env/python322#-*-coding:utf-8-*-3344"""user input calculation expression, display calculation result"""5566__author__='Jack'7788ImportRe99TenTen bracket = re.compile (r'\([^()]+\)')#find the most inner parentheses rule OneOne mul =

Python's pickle module implements basic data sequence and deserialization. Through the serialization of the Pickle module we are able to save the object information running in the program to a file, to store it permanently, and through the Pickle

Original Author: pzxbc Source: Http://pzxbc.cnblogs.com/python's Pickle module achieves basic data sequence and deserialization. Through the serialization of the Pickle module we are able to save the object information running in the program to a

File:Open the file, if the error prompt GBK, may be the file content encoding problem, can be opened with parameters:Open

This article mainly introduces the method of shape computing matrix in Python, which involves the implementation of Python mathematical operations, and the need for a friend can refer to the following This example describes the method of shape

This article mainly describes the Python keyword "with" and the context manager of the relevant information, the article describes the very detailed, I believe that you learn or use Python has a certain reference value, the need for friends to see

This paper mainly introduces the implementation principle of JSON WEB tokens. Have a good reference value, follow the small series together to see it Objective Recently in the transformation of a Python project, the Python project was reconstructed

Looking for a python development job? Then you'll probably have to prove that you know how to use Python. The following questions relate to many of the skills associated with Python, and the focus is on the language itself, not on a particular

Python Chinese Word splitting tool-Example of jieba word splitting usage [typical cases ], This document describes how to use the Python Chinese word segmentation tool to perform jieba word segmentation. We will share this with you for your

Python basic json and pickle, jsonpickle Json and pickle are serialized data formats. Before learning json and pickle, we had access to the eval function. Why is this function used? In fact, this function is used to extract the data type in the