Python

Prerequisites: If the function contains yield is the generator, the execution process encountered yield to jump out.Example:Def gen ():For I in range (10):x = Yield IPrint (x)G=ge ()Print (G.send (None)))Print (G.send (2))First say expression x =

The automated test scripts are written in Pycharm and can be run properly in Pycharm, because they are executed automatically when unattended, and they are executed without the need to be pycharm and executed directly with the command. But execute

Very simple:ImportWordcloudImportJiebaImportTimestart=Time.perf_counter () F=open ('Xyy.txt','R', encoding='GBK')#The coding format here is not well understood, some with utf-8, some with GBKt=F.read () f.close () LS=jieba.lcut (t) txt=' '. Join (LS)

Transferred from: https://www.cnblogs.com/zhongtang/p/5560361.htmlFirst, Pytesseract introduction 1, pytesseract descriptionPytesseract Latest Version 0.1.6, address: https://pypi.python.org/pypi/pytesseractPython-tesseract is a wrapper for Google S

1. Basic data types(1) Number-int(2) string-str(3) Boolean value-bool2. Important methods in the INT type(1) INTTo convert a string to a numeric type:# Converts a string of byte numbers to an int type# Converts a string of byte numbers to int type a

Reference: Another way to recognize picture text with PythonReference: Python ai image recognition, Python3 a line of code to achieve picture text recognitionReference: PYTHON3+SELENIUM3 Environment Build Pits TourReference: Python-based-pil

[TOC]Problem Origin:? After learning the functional programming of Python, the logging is exposed to such a powerful log module. In order to reduce duplication of code, it should be a lot of classmates and I can not wait to write a log function,

#!/usr/bin/env python#-*-Coding:utf-8-*-# @CreateTime : 2018/5/29# @Author : 593703# @File : server_client.py# @Software : SC# @since : 0.0.1# @Desc : Socket server and Client# @license : Copyright (c) 2

# divide list, add list ImportNumPy as NPA=[1,2]#1, get list B=[i/2 forIinchA];Print(b)#2, get B=np.array (a)/2;Print(b) # Add and subtract multiple lists, with NumPy C=np.array (a) +np.array (b) * * *Print(c)#不同长度数据放到一起, with NumPy and pandas are

Tag: Attribute parameter class his code href specify attribute listPython2.6 introduced a format formatted string method, now there are two ways to format the string, that is,% and format, what is the difference between the two methods? Please see

Through the code porting the error to comb!1. The difference between print functionsIn Python 2.x, you can add spaces or parentheses, but Python 3.x can only be parentheses.# python 2.x>>> print "processing ..." processing...>>> print ("Processing ..

Suppose you search the Web for the raw data needed for an item, but the bad news is that the data exists in the Web page and there are no APIs available to get the raw data. At this point, you can solve this--Import Pandas as Pdtables = pd.read_html

1 Brief introduction of OSI layer Seven protocol.2 What is C/s and b/s architecture?3 briefly describe the process of three handshake and four wave waving.4 What is the ARP protocol?5 What is the difference between TCP and UDP?6 What are LAN and WAN?

I. Contents of this section1. Iterators we can use a for loop to iterate over an iterative object, so how do you see an object as an iterative object?We are now familiar with the iterated objects of STR, list, tuple, Dict, set.We can use the Dir

Again to write nose, this time the main introduction nose in the use case to skip the application, before also introduced, see Python Nose testing Framework comprehensive introduction four, but the introduction of the not detailed. The following

Yesterday's content reviewObjects that can be iterated:An internally contained __iter__ method is an iterative object.An iterative object cannot be evaluated because the __next__ method is not included internally.you can iterate over objects--->

First, review 1, process, thread, the process: the smallest resource allocation unit in the computer, data isolation, you can use multi-core, data is not a security thread: is the smallest CPU scheduling unit in the computer, data sharing, GIL, data

Adorner:can be interpreted as a function, an adorner is a decorative function;Function: The adorner itself is a function that is used to decorate other functions.is to add additional functionality to other functions.Example 1:def test1 ():PassDef

1 variable length parameters and keyword parameters*argsRepresents arbitrary length variable parameters**kwargsRepresents the keyword parameterUsed *args and **kwargs just for convenience and did not enforce their use.The default parameter is when

Python generates a hash hash--hashlib module1) Generate hash and save in local(1) Code[Python] View plain copyImport HashlibImport shelve#原密码paw ={"Water": "123456", "root": "Admin123"}#生成hashM1 = HASHLIB.MD5 ("123456". Encode ("Utf-8"))M2 = hashlib.