Python

Character encoding As we've already said, strings are also a data type, but a special string is a coding problem. Because the computer can only handle numbers, if you want to process the text, you must first convert the text to a number of

"""@author:P Eng (non-original)Reference: http://python.jobbole.com/81515/Record learning process"""Applications often want to keep some temporary information, which is not particularly important, it is not necessary to write in the configuration

See a multi-threaded download article, here to write their own understanding of a multi-threaded download of the article.When we visited Http://192.168.10.7/a.jpg, it was a GET request, Response's head contained content-length:37694This is the size

The simplest way to not explainImport UnitTestOne, UnitTest module of the various properties of the descriptionClick to return to table of contentsLet's talk a little bit. UnitTest module of the various properties, so-called to be able to victorious,

1 , find a line in the/etc/rc.d/init.d/functions file followed by a set of parentheses, such as: Hello ();[[email protected] ~]# grep--color=auto ' \ () '/etc/rc.d/init.d/functionscheckpid () {daemon () { Killproc () {Pidfileofproc () {Pidofproc () {

HTML5IntroductionHTML5 is the latest revised version of HTML, which was developed by the World Wide Web Consortium in October 2014.The HTML5 is designed to support multimedia on mobile devices.HTML5 is simple and easy to learn.What is HTML5?HTML5 is

Python, like C, has its own standard library, but in Python it's called a module, which is similar to a header file in C and a package in Java, where math is one of them, and the sin () and cos () functions are available in the Math moduleThe format

Tkinter supports three kinds of geometry managers: Grid Manager, Package Manager, location ManagerTip: Because each manager has its own style of placing widgets, it is best not to use multiple managers in small artifacts in the same container. You

Python Chinese display garbled, already at the beginning with coding:utf-8 or garbled.In the python2.7 will garbled, in Python3 not, so it is fixed in the compiler pycharm problem.Here's how to fix it:1. Open the Settings icon in toolbar650)

IteratorsAn object that can directly act on a for loop is called an iterative object (iterable).An object that can be called by the next () function and continually returns the next value is called an iterator (Iterator).All iterable can be

The example in this article describes how Python file management is managed. Share to everyone for your reference, as follows: I. File management in Python File management is a basic function and an important part of many applications. Python makes

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

When crawling the content of a single Web site, regular matching is usually used, but the structure of different sites is strange and difficult to match with a uniform regular expression. The author of the general Web page body extraction algorithm

First, preface: Purpose: Complete the registration function of the existing Python image processing tool Function: After the user runs the program, the file automatically detects the status of authentication, if it is not certified, it needs to

Objective A virtual environment is a stand-alone execution environment for program execution, where different virtual environments can be created on the same server for different systems to use, and the operating environment between projects

Python redis and pythonredis Preface: I originally wanted to write redis and rabbitMQ, but after writing redis, I feel a little bit more. rabbitMQ remains in the next blog ~~ For download and installation of redis and rabbitMQ, refer to redis &

Detailed explanation of multi-form processing on the same page of Django; detailed explanation of django Quick Start with Django Implementation Project Recently, the company is working on a Haitao project. The APP is pylot. Because the time is too

Python re Regular Expression and pythonre Regular Expression1. Brief Introduction Regular Expressions are a small and highly specialized programming language. They are not unique in python and are a basic and important part of many programming

Object-oriented python learning [entry], python object-oriented Preface Recently, I have been studying Python object-oriented programming. I have never been familiar with other object-oriented programming languages before. Therefore, learning this

Python Socket File Transfer example, The sender can continuously send new files, and the receiver can continuously receive new files. For example, if the sender input is e: \ visio.rar, the receiver will save it as e: \ new_visio.rar by default.