Python

Under Windows to download MYSQLDB:Http://www.codegood.com/downloads#-*-Coding:utf-8-*-From datetime import *Import MySQLdbImport SysFile_c = "C_%d.html"CIDS = [409070983655456980, 409070984218760117, 409070984223655957, 409070984228852701]sql_cate =

1. LambdaThe lambda operator or lambda function is a-to-create small anonymous functions, i.e. functions without a name.It is convenient to create a function. Like what　　def add (x, y): Return x+yUsing Lambda to write is　　Lambda X,y:x+yVery concise.

#!/usr/bin/The Bash#python version needs to be modified in two places #1. new_version#sudo-I #得到超级权限new_version="3.4"Pypath=/system/library/frameworks/python.framework/versions/"$new _version"#第1步移动新版python到mac默认目录下Echo

to change the indentation of multiple lines of text strings Task:There is a string that contains multiple lines of text, and you need to create a copy of the string. and add or remove some spaces at the beginning of each line to ensure that

Python list sortingSimply take a look at the use of the sort method of list in Python (or the sorted built-in function).Key words:Python list sort python dictionary sort sortedThe elements of a list can be a variety of things, strings, dictionaries,

The content saved in the text is:{ 'QQQ': [0.067, 0.167, 0.2, 0.033, 0.233, 0.267, 0.1, 0.133], ' TTT ': [0.5, 0.375, 0.25, 0.3, 0.6, 0.333, 0.857, 0.636, 0.667, 0.556]}Use eval to convert to string times error:" test.py " inch D1 = eval

Python regular-expression learningResources from Learning resources from Ubuntu Wiki Introduction to Regular expressionsRegular expressions, all languages have related libraries. In essence, a regular expression (or RE) is a small,

Python's built-in objects Object type Constants Example/usage Number (numeric) 3.14159, 1234, 999L 3+4j String (String) ' Spam ', ' Guido ' List (lists) [1,[2, ' three '

Pillow support for JPEG2000 comes from Openjpeg 2 library. Unfortunatly, Ubuntu's LIBOPENJPEG2 package isn't version 2 of the Openjpeg library, but actually version 1.3 which wont Work with Pillow.Installing Pillow 2.4 (pip Install-i Pillow) Simply

Recently, in writing a program that uses Python to generate apps, it is found that printing information directly with print is less convenient and prescriptive, so using the logging log module, simply record the usage, The Logging.config

To deliberately set off an exception, you can use the Raise statement in the following form:Raise #manually Trigger an exceptionRaise, #pass extra data to catcher tooRaise #re-raise the most recent ExceptiThe second form can pass additional data

Today I am a long knowledge, I am a Python rookie, has always been that type (a) can return the type of a, but do not know that type can also be used to create class, this experience is to describe how to create a class with the type (), and how to

reproduced from the blog of the Brookings, this address http://lutaf.com/141.htmPython has a lot of web development frameworks, the code is finished, deployment on-line is a big deal, generally speaking, Web applications are generally three-tier

#encoding: utf-8__author__ = ' DELL ' import csvimport globimport datetimeimport sysimport osreload (SYS) # Chinese error sys.setdefaultencoding ("Utf-8") ' @author Likehua csv Batch ' class Batchprocesscsv:def __init__ (Self,inputfolde R=

This example uses Python's while statement to brush its own blogNote: This function is only to show the powerful features of Python, not to attack anyone, let us be a citizen NetizenBring in the Python package you needImport WebBrowser as web as is

Python Bubble sorting and python Bubble Sorting Bubble sorting, as the name implies, keeps data in a regular order. Directly Add code1 import random 2 3 def bubblesort (data): 4 change = True 5 for I in range (len (data)-1, 1,-1): 6 for j in range (0

Xadmin learning notes (2) -- modifying Django tutorial instances (1), xadmindjangoPreface Xadmin is a management framework based on Python and Django. to be proficient in using it, it is necessary to learn Django. In the process of learning Django,

Python accessing Facebook (http) CODE: #!/usr/bin/python # -*- coding: utf-8 -*-'''Created on 2014-8-6@author: guaguastd@name: http.py'''# Request over httpdef request_over_http(access_token, url, fields): # import requests import

Tornado Web Server multi-process start two methods, tornadoweb I. Introduction to Tornado Tornado is an open-source version of FriendFeed's Web server and common tools. Tornado differs significantly from the current mainstream Web Server framework

A deep dive into python -- a small Crawler Here is an example of crawling images from Baidu Post Bar.Package Urllib, urllib2, reFunction Page = urllib. urlopen ('HTTP: //... ') returns a webpage object. Html = page. read () reads the html source