Python

Poetry is a melancholy medium, and the poet's mission is lonely;--North "The Rose of Time"Learning is a deep ballad, and our task is to enjoy him. --Little Q "20161203"----------------------------------------------------------------------------------

1. Common built-in functions: (can be used directly without import)Help (obj) online, obj is any typeCallable (obj) to see if an obj can be called like a functionRepr (obj) obtains a representation string of obj that can be used to reconstruct a

Crawl the top 12 movies in the watercress movie (http://movie.douban.com/nowplaying/chengdu/), and sort by rating, save to TXT file#coding =utf-8from selenium import webdriverimport unittestfrom time import  Sleepclass doubanmovie (unittest.

When you provide a module name to Dir (), it returns a list of the names defined in that module. When no arguments are provided for it, it returns a list of the names defined in the current module.The Dir () function uses an example: 123

For Python beginners, willing to strongly recommend from the "Headfirst Python" began to read, this book is really done in layman's terms, headfirst series, itself is also a guarantee of quality. This book is ready for download in the article

Problem: Analyze Nginx logs and find out the source and number of access to up to 10 IP addressesUsing the Python module IPHow to use and: Https://pypi.python.org/pypi/17MonIPRelated Python script:#!/usr/bin/env Python#coding:utf8#auth:lad#date:2016-

help（）   //获取帮助信息dir（）    //查看对像内所有属于及方法type（参数）  //查看参数的类型import//导入模块（当为第一次导入的时候，其实会去执行一遍被调用的文件中的内容。再次调用时，就不会执行被调用文件中的内容）reload（方法名）  //import是第二次导入的时候不会执行被调用文件的内容，但是如果第二次导入时候用reload的话，那么就会再次执行被调用文件的内容。id（参数）   //获取idabs（参数）  //取绝对值bool（参数）  //将一个值

Need to install Jenkins and Python on the server Open Jenkins to create a free-style project named PythonautotestBecause the code is managed with SVN, the Config source management for SVN "Jenkins builds a folder named after the project name in

Here I'll tell what you do to the install OpenCV 2.4x in Windows for Python 2.7.pre-requisites (need to be downloaded):Python:download latest version of Python 2.7 from Python site.Numpy:download Numpy for Python 2.7 from here.OpenCV 2.4:download

python logging modules can be confusing placesfind some interesting phenomena by seeing the code of the Python logging module:1. The logging object is actually a tree structure, and each created logging object is the child node of the root logging

Create:Dict = {' Name ': ' Zara ', ' age ': 7, ' Class ': ' First '};Delete:Del dict[' Name ']; # Delete key is ' Name ' entry dict.clear (); # Empty dictionary all Entries del dict; # Delete DictionaryProperties of Dictionary KeysA

The sequence is the most basic data structure in Python. Each element in the sequence is assigned a number-its position, or index, the first index is 0, the second index is 1, and so on.Python has 6 built-in types of sequences, but the most common

1. __str__ and repr in PythonIf you want to turn an instance of a class into STR, you need to implement a special Method __str__ ():class Person (object): def __init__ (self, Name, gender): = name = gender def__str__(self):

English documents:class type (object) class type (name, bases, dict) With one argument, return the type of an object. The return value is a type object and generally the same object as returned by object.__class__ .isinstance()the built-in function

DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd ">HTML>Head> title>Titletitle> style>. Hide{Display:None} style>Head>Body>inputID=22type= "button"value= "Switch"/>Divclass= "a

ObjectiveAutomation takes four steps: Get elements, manipulate elements, get return results, assert (return results are consistent with expected results), and finally automatically test reports. This article is mainly about how to use the Firefox

Preface I believe that for each programmer, in the text processing, often encounter the problem of full-width half-width inconsistency. This requires that the program be able to move quickly between the two. Because of the mapping of the full-width

1. Simply print the log to the screen Import loggingLogging.debug (' This is Debug message ')Logging.info (' This is Info message ')Logging.warning (' This is warning message ')On-screen printing:WARNING:root:This is WARNING message By default,

00 Preface What is ImageMagick? ImageMagick is a powerful open source graphics processing software that can be used to read, write, and process more than 90 kinds of image files, including popular JPEG, GIF, PNG, PDF, and PHOTOCD formats. It can be

Python 3.4 send mail, pythonsend # Coding = UTF-8 # Python 3.4 https://docs.python.org/3.4/library/#IDE:Visual Studio 2015 Window10import atexitimport osimport unicodedataimport sysimport timeimport unicodedataimport extends codeimport codecsimport