Python

Need to install FreeTDS firstis an open source C library, it can be implemented under Linux system Access operation of Microsoft SQL database. Can be used in Sybase's Db-lib or Ct-lib library, which also contains an ODBC library. Many applications

Study the Sina Mail registration process, write a registration machine, share for learning, do not use for commercial purposes.Code Escrow Address: Https://bitbucket.org/doggod999/ooobjRun:Operating Environment:Python3requests-2.2.1beautifulsoup-4.1.

High-quality code writing is certainly inseparable from unit testing, Python's standard libraries and third-party libraries provide support for many unit tests, mainly listed in the following two:1) unittest (Python standard

Heap: One of the priority queues that use the priority queue to increase the object in any order, and to find (or possibly remove) the smallest element at any time (possibly at the same time as the object is incremented), which is more efficient

Sometimes you want to add desktop shortcuts to your program, but even the exact path of the desktop do not know, fortunately, Microsoft's API gives some special folder path acquisition method, and then use the Python win32com module (non-standard

Computer Configuration: Lenovo notebook computer WINDOWS8 systemPython version:2.7.8This article was written on:2014.12.25Chen Dong ChenRead the instructions:1. This article is first explained, and then put the picture;2. The italic part of the text

The module is not a Python built-in module that complements the ISO 8601 parsing for Python-converting common ISO 8601 date characters into a Python datetime object.　　InstallationInstall iso8601　　Use>>> Import iso8601　　Example>>> Import iso8601>>>

If you want to run the py file directly, you need to add it on the first line:# !/usr/bin/env pythonIn the directory where the files are entered:./filename.pyHowever, you will be prompted with an error: Permission denied, to avoid such an error,

Pycurl is a Libcurl Python binding library written in C. Libcurl is a free and easy-to-use URL transfer library that is used in the client. It's very powerful, and Pycurl is a very fast (reference multi-concurrency operation) and rich full-featured,

1. The simplest built-in format function:>>> format (1234567890, ', ') ' 1,234,567,890 '2. Regular Expressions:Import redef formatnum (num): num=str (num) pattern=r ' (\d+) (\d{3}) ((, \d{3}) *) ' while True: num, Count=re.subn

The last time NH asked me the question of the decorator, at that time to learn the dishes, and now also very dishes, just abruptly their memories and examples to help her answer. This time I have learned again: The adorner performs the

First, the definitiondef functionname ([arg1,arg2,...]): codeIi. examples#!/usr/bin/python#Coding:utf8#Coding=utf8#Encoding:utf8#Encoding=utf8defFun (x=3,y='Sweet'): Print 'generates a'X'Yuan'Y'Flavors of Cakes'Fun ( ) Fun (10) Fun

Tag: python regular expression #python正则表达式import Reif __name__== "__main__": subpattern= "(([a-za-z]+) \.) * "Subpattern2=" ([a-za-z]+) "pattern="%s%[email protected]%s%s "% (Subpattern, subPattern2, Subpattern,subpat TERN2) print (pattern) mail1=

First, Easy_install installation processThere are many kinds of installation process, I also looked for a lot of examples, but the results are not very good, the following methods are good results.Similar to Yum, Easy_install uses Easy_install to

A common method of using try to handle program exceptions in PythonIf you encounter an exception when you write a Python program and want to do the following, you usually use try to handle the exception, assuming the following program: Try

How do I read 300 characters from a file?It looks simple, but it's easy to fall into the pit.At first I wrote this:1 Try:2FD = Codecs.open (Os.path.join (settings. Text_content_dir,channel_name.lower (), article_id), encoding='Utf-8')3

Iterator behind the scenes, the for statement calls iter ( on the container object. The function returns an iterator object that defines the method __next__ () Span style= "Background-color:;" > which accesses elements in the container one

Simple use of Python to automatically generate articles, 17 records are required to cope with certain situations. Although not important, 17 identical copies are not very good. The record is roughly divided into four sections. Therefore, we decided

Python number with thousands of characters, python with thousands of Characters 1. The simplest built-in format function: >>> Format (1234567890, ',') '20140901' 2. Regular Expression: Import redef formatNum (num): num = str (num) pattern = R' (\

Python script for file cleanup, Since I first wrote a blog on cnblog, I found that the webpage version could not be directly pasted with images. With the help of a mac computer, the shortcut key saved the images on the table. In addition, a lot of