Python

From the time I started learning python, I began to summarize a collection of Python tips. And then when I was in stack OverflowOr when I saw a cool piece of code in an open-source software, I was surprised that I could do it! , I tried to try this

22. Simple message ReplyIn this section we will implement an inventory query function using the portal to implement the Inventory query service for the text message class with our previous Biz business Logic Layer example.22.1. Add processing logic

Python Datetime/time conversionsdate:2008-11-12 |   Tags:datetime, Python | 3 CommentsFromDatetimeImportDatetimeImportTime#-------------------------------------------------# Conversions to Strings#-------------------------------------------------#

Judge whether the year is a leap years!#!/usr/bin/env pythonye = Int (raw_input (' Please enter the Year: ')) if ye% = = 0:if (ye/100)% 4 = = 0:        Print "Your inputing is a leap year!" Else:print "Your inputing is not a leap year!" elif ye% 4 =

1. Convert the time of a string to a timestampMethod:A = "2013-10-10 23:40:00"Convert it to a time arrayImport timeTimearray = Time.strptime (A, "%y-%m-%d%h:%m:%s")Convert to Timestamp:timeStamp = Int (time.mktime (Timearray))TimeStamp = = 1381419600

Python's Logging module summary:1 #!/usr/bin/python2 #Encoding=utf-83 4 ImportLogging5 6Logging.basicconfig (level=logging. DEBUG,7format='% (asctime) s% (filename) s[line:% (lineno) d]% (levelname) s% (message)

Bidirectional queueThread-Safe bidirectional queuesCases>>> a= Collections.deque ()>>> A.append (1)>>> A.appendleft (2)>>> A.append (3)>>> A.appendleft (4)>>> A.append (5)>>> A.appendleft (6)>>> ADeque ([6, 4, 2, 1, 3, 5])>>> A.pop ()5>>> A.popleft (

1 #Definition of a method's parameter and default parameters2 defAsk_ok (prompt, retries=4, complaint='Yes or no, please!'):3 whileTrue:4OK =input (Prompt)5 ifOkinch('y','ye','Yes'):6 Print("true");7

http://www.coder4.com/archives/3844Need 1 to ask: give n long sequence, find out TOPK big element, use small top heap, HEAPQ module realizes. import heapqimport randomclass topkheap (object): Def __init__ (sel F, k): self.k = k Self.data = [] def

#-*-coding:utf-8-*-#python#Xiaodeng#python module Configparser (configparser in Python3)#Special Note: Python3 and python2 are very different about the function usage of the module.#configuration file ParserImportConfigparser,os#initializing a

#-*-coding:utf-8-*-#python#Xiaodeng#properties of the Python object#http://python.jobbole.com/82622/#properties of the objectclassBird (): Feather=TrueclassChicken (bird): Fly=Falsedef __init__(self,age): Self.age=Agesummer= Chicken

#-*-coding:utf-8-*-#python#Xiaodeng#Python's function Usage callable (), only for understanding#callable ()#Description: Determines whether object objects can be called. If you can return True,object, the call may still fail, but if you return false,

1. Get user input via Raw_input () function (visible)[email protected] scripts]# cat input.py#!/usr/bin/env python#-*-Coding:utf8-*-Raw_input ("Please enter user name:")[email protected] scripts]# python input.pyPlease enter your user name:

#-*-coding:utf-8-*-#python#Xiaodeng#Python's function usage iter ()#iter ()#Description: Call ITER () on an object to get its iterator" "iter (...) ITER (collection), iterator collection: Container iterator: Iterative object iter (callable, Sentinel)

We have finished most of the aircraft war, but there is no way to play the game formally, because the bullets cannot be knocked off the plane. Only by completing this work, the game is basically molded.Today's content is very simple, is to do this

Always can't remember the API. Last night, when I wrote this, I didn't remember, so just sort it out:files, folders in Python (file manipulation function) operation requires an OS module and a shutil module. Get the current working directory, that

Detailed description of Python file copying operations, This example describes how to copy a file in Python. We will share this with you for your reference. The details are as follows: Python is used to implement a small automatic release tool. This

Write a shopping cart program in Python #! /Usr/bin/env python #-*-coding: UTF-8-*-# _ auth by kk def goods_list (): shangpin = {"iphone": "6000 ", "MacAir": "15000", "tea": "50", "book ": "30"} print "-" * 12 + u "product list" + "-" * 12 for key

For example, the deadlocks, reentrant locks, and mutex locks in Python and python are mutually exclusive. I. deadlock To put it simply, a deadlock occurs when a resource is called multiple times, and a deadlock occurs when the resource is not

Install the Matplotlib module and pythonmatplotlib for Python in Windows. This is exactly the last night. It will certainly help you to describe how to install it. First, Python is installed by default, which is basically not difficult on the