Windows Pymongo download and installation tutorial

Pymongo Download Pymongo Download Address: http://pypi.python.org/pypi/pymongo/#downloads Current Downloadable options: The code is as follows: Pymongo-1.11.tar.gz SourcePymongo-1.11.win32-py2.7.exe MS Windows Installer Pymongo

Using the Python twisted framework to implement a simple server

PreviewTwisted is a very flexible framework designed so that you can write very powerful servers. This flexible cost is the need to implement your server through several levels, this document describes the protocol layer, you will perform protocol

A detailed explanation of the differences between __str__ and __repr__ methods in Python

It takes a lot of time to test my current project. Now that you have more than one GB of free memory, why not let it play? TMPFS can speed up the execution of tests by keeping the file system in large memory. But the advantage is also disadvantage,

Tips for finding substrings in a Python string

Shame, today wrote a find a substring of the Python program is BS ... If you write a program to check whether the string S2 contains S1. Perhaps you will be very intuitive to write down the following code: The code is as follows: #determine whether

A concise introduction to file operations in Python

Open File The open function returns a file object with the basic syntax: File_object = open (file_name, access_mode= ' R ' [, Buffering=-1])File_name is a string containing the name of the file to be opened, which can be a relative path or an

Python-implemented simple guess numbers game

This article is an example of a simple guess number game implemented by Python. Share to everyone for your reference. Specific as follows: Given a number between 1-99, let the user guess the number, when the user guessed wrong will prompt the user

Use third-party library xlrd to read Excel samples in Python

This article describes how to use XLRD to read the contents of an Excel table, Xlrd is a third-party library, so we need to install XLRD before using it. In addition, we typically use XLWT to write Excel, so we'll show you how to use XLWT to write

Python multithreaded Programming (III): Important functions and methods of the Threading.thread class

This article mainly introduces some main methods of the main class thread in the threading module, the example code is as follows: The code is as follows: '''Created on 2012-9-7@author: walfred@module: Thread. ThreadTest3@description:'''Import

Python multithreaded Programming (v): The formation of deadlocks

Previous article Python: Using the Threading module for multithreaded programming four [using lock mutex] we have started to relate to how to use mutexes to protect our public resources, now consider the following situation – If you have more than

Python script sharing for counting the total number of lines in a project

Recently you need to count the total number of lines of code in the project, write a Python applet, and have to say how concise Python is, if it's written in Java at least twice times the current code. [Code] Import OS Path=

Using Psyco module to optimize running speed under Python

Introducing the next Psyco module today, the Psyco module will make your Python program run as fast as the C language. It is said that Python language is easy to learn, but performance is much worse than some compiled languages (such as C), where

Python gets the standard Beijing time method

This example describes Python's approach to obtaining standard Beijing time. Share to everyone for your reference. The specific analysis is as follows: This Python code is mainly through Www.beijing-time.org's official website to get the standard

Tutorials for sending and receiving emails under the flask framework of Python

Brief Introduction In most of these tutorials, you will be spared no effort to explain how to use the database. Today we are not looking at the database for the moment, but rather to focus on another feature that is important in Web applications:

Examples of using the WeChat API in the Python bottle framework

This thing estimated that the otaku few unfamiliar bar, after so much more than two years of development finally to open the platform to cross a friendly step. The egg hurt thought will be a detailed API and other interfaces, excited to apply for

Python implementation gets the operating system version information method

Recently, I want to add the user OS version information in my Youmoney (http://code.google.com/p/youmoney/). For example, Windows users may want to return Windows XP, or Windows 2003, Apple users should return to Mac OS X 10.5.8. There are many ways

Simple description of the use of adorners in Python

Decorators are a hard-to-understand, hard-to-write thing for beginners who are familiar with Python. So today, share my understanding of the Python decorator. The so-called adorner is only a syntactic sugar, the object can be a function or a class,

Use Python's tornado framework to implement a simple WEBQQ robot

I'm going to run WEBQQ alone, starting with a direct copy of Pyxmpp2 's Mainloop, but running up a lot of problems, so I've researched the network programming using Tornado (here), so I gave up Pyxmpp2 's Mainloop, overriding with tornado First

Some basic knowledge of string objects in Python

Python strings are categorized as immutable sequences, meaning that the characters contained in these strings exist in order from left to right, and they cannot be modified locally. Basic operations Strings can be merged with the + operator and can

A simple introduction to Python's lightweight web framework Bottle

Basic Mapping mappings use the corresponding return content to be generated according to different URLs requests. Bottle uses the route () decorator to implement the mapping. From bottle import route, Run@route ('/hello ') def hello (): return

Some tips for using Python's bottle framework

Before the bottle did a lot of introduction, but also wrote some articles to explain the shortcomings of bottle, recently found that in fact, some places said that not fair, so take this opportunity to correct. Bottle is supported for syntax

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