Python

The concept of deep copy in python is the same as that in C ++. The so-called shallow copy is a copy of the reference, the so-called deep copy is a copy of the object's resources, while looking at the example to explain:   #1 >>> LS1 = [1, 2, 3

The file is created or modified on a float basis, so I 'd like to see which year, month, and day the file was created?   After a try, we found that the conversion between datetime and time is as follows: >>>ImportTime, datetime >>> T =

Alas, I finally completed the notes for "a byte of Python". To tell the truth, I have read the notes at school, now, I want to read it again and write down my reading notes. I feel so tired that I have nothing to say. What do you want to write? What

PythonThe easy_install tool in is very nice, and its function is similar to pear in PHP, orRubyOr CPAN in Perl. If you want to use the easy_install tool, you may need to install setuptools first, but the cool way is to use the ez_setup.py script:

#! /Usr/bin/ENV Python # Coding = UTF-8 # Source: Python core programming multithreading chapter import threadingfrom time import ctime, sleep, time''' use the instance creation method using the threading multi-threaded method to create two threads,

It cannot be said that this is a feature of Python.Programming LanguageNot much, but I made some notes different from Java. # Coding = UTF-8 # Python 2.7 # key words paramater keyword parameter # The keyword parameter is called only when the

Starting with welcome to problem solving with algorithms and data structures, every time you learn a summary or half a summary, you need to leave study notes each time, and every time you have to take reflection notes. Learn data structures

# Coding = utf8 # graptest1.py python2.7 2013.4.5 ''' list matching on a single page, single-threaded download, HTML file format completed a prototype RegEx writing is very bad .. '''Import urllib, urllib2import re, codecsurl = r'http: //

Some information is collected, basically from the network download. If there is a new one, it will be added later. Python core programming Python Advanced Programming Python data structure and algorithm English Python gray hat Chinese For

Import res = ''. join (S. split () Fetch = Re. compile (R' [^ A-Z] [A-Z] {3} ([A-Z]) [A-Z] {3} [^ A-Z] '). findallprint ''. join (fetch (s )) Result: Success list. S is the third page source code in the comments part, the third page is: http://

Use Cases of multithreading programming: The task is asynchronous in nature and requires multiple concurrent transactions. The running sequence of each transaction can be uncertain, random, and unpredictable. Such a programming task can be divided

Document directory The first method is to use the Copy. Copy () method. The second method is shallow copy of slice. The third type is the list, dict, set, and tuple constructor for copy. Family 1: Light copy Family 2: Deep copy The common

I have been familiar with this thing before, but I am not very clear about it. UNIX network programming provides a detailed explanation of the comparison between models and different models. Because python is a simple call to Unix system functions,

Use threading to inherit the treading Method # Coding: utf8''' def isprime (m): # prime number refers to the number that can only be divisible by 1 and itself for I in range (2, M/2 + 1 ): if M % I = 0: Return false return trueif _ name _ = '_ main

Document directory Urllib2 Requests This is the urllib2 method: Requests Ref: http://dancallahan.info/journal/python-requests/ Title: Useful Python Module It is unnecessary to use python in HTTP-related processing, including the urllib2

The general idea is simple: Get a cookie Load your request Send request # Coding: utf8''' simulate login for everyone. According to the information on the Internet and Firefox, I first explored the following page elements: COOKIE: jebecookies =

Ref = http://www.slideshare.net/wilhelmshen/py-art 1. Enjoy efficient and fun programming with the python programming Art 2. Def Hello (): Print Hello world! 3. What kind of function returns none? 4. No message is the best message. 5. True/1

Document directory Requirements: Design: Encoding: Test: Summary: First small application: desktop weather Requirements: Background:A simple desktop window that displays weather conditions in a region, once an hourSource, user:YourselfValue:

What is static method? Python2.73 Doc Static Method objectsStatic Method objects provide a way of defeating the transformation of function objects to method objects described above. A static method object is a wrapper around any other object,

OS win7 python2.7 # Coding = utf8import urllib2, re, OS import threadingimport time, datetimedef get_proxy_addr (URLs, ports): proxylist = [] P = Re. compile (''' (. + ?) (. + ?) . +? (. + ?) ''') for URL in URLs: res = urllib2.urlopen