Python

Python operations on databases may be of some use to me! I want to use it to flexibly import access data to mysql! Import ModuleImport MySQLdb Database Operations1. Connect to the database Conn = MySQLdb. connection (host = 'host', user = 'user',

_ Name __: When using itself, it is main, for example, you execute:Python test. pyThe name in test. py is main.If you import test in test2, then name is the file name http://www.cnblogs.com/herbert/archive/2011/09/27/2193482.html I have seen many

[Python]# Set a as a stringImport timeA = "10:00:00" # In the intermediate process, strings must be converted to time arrays.Time. strptime (a, '% Y-% m-% d % H: % M: % s ')> Time. struct_time (tm_year = 2011, tm_mon = 9, tm_mday = 27, tm_hour = 10,

Twisted is a very imaginative framework. I have been impressed by its code. I think Twisted may only be used when I use python to develop a network application. However, to truly achieve performance optimization, we still need to apply Twisted tools

Use a loop to constantly create threads and notify them until exceptions occur. Python is really a good thing.The Code is as follows:#! /Usr/bin/env python# Coding = gbk Import threadingImport time, random, sys Class Counter:Def _ init _ (self

The program is as follows: [python] #! /Usr/bin/env python def showMaxFactor (num): count = num/2 while count> 1: if num % count = 0: print 'largest factor of % d is % d' % (num, count) break # When the break jumps out, the following else statement

1. prepare for work [plain] django-admin.py startproject web03 django-admin.py startapp blog python manage. in settings. add 'blog 2 to py. configure url [python] # coding: utf8 from django. conf. urls. defaults import patterns, include, url

1. preparation 2. urls [python] # coding: utf8 from django. conf. urls. defaults import patterns, include, url from django. contrib import admin. autodiscover () urlpatterns = patterns ('', url (R' ^ show/$ ', 'blog. views. show '), url (R' ^ login/$

The Tutorial we bring to you today is the first lecture in the Python programming series-my first python instance. First of all, I sincerely thank all my friends and family members who love me and support me. I would like to express my gratitude for

Stack context is designed to save a context for the execution program. When necessary, it can return to the context for execution, including exceptions, which can be better and unified. The code for this function is not many and clear, but the

Str = 'python String function' generate String variable str = 'python String function' String length acquisition: len (str) Example: print '% s length = % d' % (str, len (str) uppercase letters: str. upper () all lower case: str. lower ()

In a slightly larger project, there will always be a base layer. We think it encapsulates the underlying and basic column functions, because the underlying things pursue stability and operational efficiency, therefore, 90% is written in C/C ++. It

[Html] view plaincopyprint?Xmlns = "http://schemas.microsoft.com/winfx/2006/xaml/presentation"Xmlns: x = "http://schemas.microsoft.com/winfx/2006/xaml"Xmlns: sys = "clr-namespace: System; assembly = mscorlib"Title = "MainWindow" Height = "350" Width

I. Installation Django is compiled by python. The core framework of django applies to python versions 2.3 to 2. 7. therefore, you must install python before using django. This article does not introduce the python installation process. Enter python

I tested Tornado websocket to implement the functions of the chat room. It is very simple and the code is as follows:   Server: [Python]Import loggingImport tornado. escapeImport tornado. ioloopImport tornado. optionsImport tornado. webImport

To remind users of this purpose, we usually use window flickering effects, such as QQ and Jabber instant chat tools. When receiving messages from friends, we usually flash the icons in the tray, if the chat window is opened, the button of the opened

Requirement: Recently, I have to refer to the configuration documents/wiki/history/Notes/google to get a server address or password. It may be a complicated command that is commonly used but not too easy to call, I am also annoyed when the number of

Run the following code: #! /Usr/bin/env pythonS = "Chinese"Print s This problem has been frequently encountered recently: Problem 1: SyntaxError: Non-ASCII character '\ xe4' in file E: \ coding \ python \ Untitled 6.py on line 3, but no encoding

In front of the page, we learned how to read a file in Python and read and readline functions. In this section, we will learn how to write files in Python. Here is an example to illustrate how to write a file. The function of this example is to

In the game project, we verify the parameter type passed by the client on each interface. If the verification fails, the "parameter error" error code is returned to the client.This not only facilitates debugging, but also increases robustness.