Python

The boss has a request, said to see a URL daily visits, but the system in the development of the time did not do such a count, so I think, because the previous load using Nginx do, have access logs, try to analyze the results from the access log,

I. Object mapping relationship (ORM)ORM English Full Name Object relational mapping, that is, objects mapping relation program, simply say we like python this object-oriented program is all objects, but we use the database is relational, in order to

Topic from Project Euler 20th: https://projecteuler.net/problem=20"Project euler:problem 20:factorial Digit sumn! means NX (n? 1) x...x3x2x1for example, 10! = 10x9x...x3x2x1 = 3628800,and The sum of the digits in the number 10! IS3 + 6 + 2 + 8 + 8 +

Topic from Project Euler 19th: https://projecteuler.net/problem=19"How many Sundays fell on the first of the Monthduring the Twentieth Century (1 Jan 1901 to Dec 2000)? answer:171 ' from datetime import *firstday = Date (1901,1,1) Lastday = Date (200

#_ *_coding:utf-8 _*_# Parent class class father:    def __init__ (self):         self. fname =  ' fffffff '     def func (self):         print  ' FUNCFURNC '     def bar (self):         print  ' Barbarbar '     def test (self):  #再定义一个方法   

http://blog.csdn.net/pipisorry/article/details/49516185In the design of face object, class method and static method are the two terms commonly used.Logically: A class method can only be called by a class name, and a static method may be called by a

In the learning of Python crawler need to use a builtwith module, but I found in the import of the module, you need to download the module, there is a good tool called Pip, which is the Python software package management tool, can install, uninstall,

Demand:1. Design a procedure for Word frequency statistics.2. English-language punctuation marks are not counted.3. Sort the statistical results by the frequency of the occurrences of the word from large to small.Design:1. Basic functions and usage

Goeasy,It is a third-party push service platform that uses itsApireal-time push can be easily done! Personal feelingGoeasyPush more stable, push to sendFast , easy to understand code and quick to get startedBrowser

Conditions:If condition:Statement blockElifStatement blockElseStatement blockElif indicates else ifThis is actually legal!!! 1 [Python]View Plaincopy print? >>> If 1 2: print (' True ') True and represents

#小游戏, shake a sieve bet the size of the game import random# defines the function of the Shake sieve: def roll_dice (number = 3,points = None): Print (' >>>> ') if points is none:points = [] while number > 0:point = Random.randrange (1,7)

First thing to remember: object thinking: All things are objects! Accurate Description python an object that requires "identity, type, value" from three dimensions. >>> 520520>>> 555555555555555555555555555555555555555555555555555555

Preface: The name of the Python crawler framework has long been heard. In recent days, I have learned the framework of the Scrapy crawler, and I will share with you what I understand. There is an improper expression, hope that the great gods

In the development of Python (Windows environment), you will encounter the need to install a version of the third-party library, for later search, installation convenience, summarized as follows: Various versions of the Python library

Generate files for MD5 and SHA1 #coding =utf-8 def fil_changefileext (filename,extname= "): # fil changefileext change file extension # filename input file path name # EX Tname= "To change the sub-extension, such as the. txt import os try:if

We can create a list simply by creating a list, but with memory limitations, the list size is certainly limited. Also, creating a list of 1 million elements takes up a lot of storage space, and if we just need to access the first few elements, then

Original works, allow reprint, please be sure to use hyperlinks in the form of the original source of the article , author information and this Statement. otherwise, the legal liability will be investigated. http://mapengfei.blog.51cto.com/1552412/18

1. Brief summaryThe following defines three different modules for testing, with login () and logout () in the account.py module, and index () in the admin.py module. In this case, the access to a URL is simulated by accessing a different URL to

Recently doing a scan code login function, for this i also searched the internet about the implementation of the scan Login. When this function was completed, I decided to organize the whole realization, so that I can see it later and also

NLTK installation, NLTK Installation If you are in version 2.7 and the computer is a 64-bit machine. We recommend that you follow the steps below to installInstall Python: http://www.python.org/download/releases/2.7.3/Install Numpy (optional): http:/