Python

Vs2013 Create python file, in the file is not entered in Chinese, encoded as utf-8 ,Then, after entering a few lines of Chinese, again with notepad++ to see its code as follows, in vs Run also error (run with cmd will not):Based on the experience,

Address of the Bcrypt library https://pypi.python.org/pypi/py-bcrypt/Can be downloaded by the source package in the local compilation installation, but Windows will be more trouble, need to VCForPython27 this stuff to help,In fact, there is an easy

Exercise: reading filesExercise:Read and write filesWhat does ' W ' mean?It is just a special string that represents the access pattern for the file. If you use ' W ' then your file is written (write) mode. In addition to ' W ', we also have ' r '

The recent learning of Python requires an entire handy IDE. Friend recommend Atom, so downloaded a 1.53 version of this thing is done by GitHub, it should be open source.Installed after the installation of two plug-in, one is indented, one is

650) this.width=650; "title=" 3814a842e65ad657cde7955da3a8b215_b.png "src=" http://s2.51cto.com/wyfs02/M02/7B/13/ Wkiol1bgizwik3fuaae-ryece6w240.png "alt=" Wkiol1bgizwik3fuaae-ryece6w240.png "/>Multi-process, multithreaded programmingSystem

Environment Preparation:1. Download the Learning installation package:Setuptoolshttps://pypi.python.org/packages/2.7/s/setuptools/SeleniumHttps://pypi.python.org/pypi/selenium2. Installation1). Install Setuptools (Note that this must be installed,

Since some people in the group do not write comments when they commit the code, and there is no fixed format, they are ready to add mandatory comments to SVN commits.First find the hooks directory in the code base, which is available when the SVN

For CentOS: (based on a small Red Hat system)Need to install Epel-release firstRunYum Install Epel-releaseYum Install wgetFor cent OS 7.x (X86*64)RPM -ivh http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-2.noarch.rpm For cent OS 6.x

In the previous section, I probably talked about the Python crawler's writing process, starting with this section to focus on how to break the limit in the crawl process. For example, IP, JS, verification code and so on. This section is mainly about

Socket module, socket 1 1.1 server: #! /Use/local/env python#-*-Coding: UTF-8 -*-Import socketIp_port = ('2017. 0.0.1 ', 127)# Ip_port = ('0. 0.0.0 ', 9999) # All IP addressesSk = socket. socket ()Sk. bind (ip_port)Sk. listen (5)While True:Print

Python similar module Use Case (1), python module use case I. threading VS Thread As we all know, python supports multiple threads and native threads. Among them, threading encapsulates the Thread module and can be used in more aspects, the

Step-by-step process examples of improving program quality   How can we improve the program quality? This section describes common quality attributes and implementation strategies of programs in the Web server software service quality overview, this

The path to Python Learning (9)-sorted () sorting and simple string processing This section describes two knowledge points: 1 sorting and 2 string processing. Python has well encapsulated this part of the sorting operation. We can achieve the

Json & pickle module, json online ParsingJson & pickle Module Two modules used for serialization Json, used for conversion between string and python Data Types Pickle, used for conversion between python-specific types and python Data Types

Python job calculator, python job Ideas: Extract the innermost brackets in a loop before performing operations Use regular expressions to find corresponding operators during operation Multiplication and division before addition and

The path to Python development article 2 (1) _ data type built-in function usage, the path to python GrowthData Type built-in function usage int There are many built-in methods. Here is a summary. (1) _ abs _ (...) returns the absolute value of x.#

Python network programming (twisted-based client programming) Python's twisted is interesting. It can be used for server programming or client programming. Echo is the simplest example of programming.   The client code is as

Describes the basic method of the Python web crawler function. Web CrawlerIs an image name. Comparing the Internet to a Spider, a Spider is a web crawler. 1. Web Crawler Definition Web crawlers search for Web pages based on their link addresses.

Lambda expression learning and pythonlambda expressions in Python Lambda is just an expression, and the function is much simpler than def. The body of lambda is an expression rather than a code block. Only limited logic can be encapsulated in

Python copy object (deep copy and shallow copy), pythondeepcopy Http://www.jb51.net/article/15714.htm   1. copy. copy: only the parent object is copied, and the internal sub-objects of the object are not copied.2. copy. deepcopy: Deep copy object