Python

defIs_chinese (UCHAR):"""determine if a Unicode is a Chinese character""" ifUchar >= u'\u4e00' andUchar'\u9fa5': returnTrueElse: returnFalsedefIs_number (UCHAR):"""determine if a Unicode is a number"""

Python gives us a lot of convenient ways to iterate through the characters in a string. For example, convert a string to a character array (list):Thelist = list (thestring) At the same time, we can easily traverse through the For statement:For C in

Since there is a project that always open the file, then use Pickle.load (file), and then process ... Finally to close the file, so feel a bit cumbersome, the code is not concise. So ask Python with statement for a workaround.Read an article on the

With Eclipse, this lightweight wingide is a bit of a fit.But for the small part of it, do it yourself.I'm using 4.0.1 EnglishJust change a font.User Interface, edit-PreferencesChoose a font/size to support the Chinese language.I'm using this Nsimsun

>>> dict = {}>>> dict[' key1 '] = ' value1 ' >>> print (dict) {' Key1 ': ' value1 '}>>> dict[' Key2 '] = ' value2 ' >>> print (dict) {' Key2 ': ' value2 ', ' key1 ': ' value1 '}>>> dict[' key3 '] = ' value3 ' >& gt;> Print (dict) {' Key2 ': ' value2

#装饰器02#参数检查#主要是用在接收或者返回函数, may be useful when executing in a specific context#例如: There is a function called by XML-RPC, and Python will not be able to provide its full signature directly as in a static class language, which is required when the XML-

1, long string: (with three quotation marks such as "" or "" "to cause)>>> print "" "This is a very log string.It continues here.And it ' s not over yet."Hello world!""""This is a very log string.It continues here.And it ' s not over yet."Hello

#-*-Coding:utf-8-*-# python:2.x__author__ = ' Administrator '#装饰器01#特点是: Allows functions and methods to be encapsulated (receiving a function and returning an enhanced version of a function)#语法: The original scene can define the method as a class

1 About Sklearn.datasets from sklearn.datasets import Load_irisImport NumPy as NPdata = Load_iris ()The properties of data are as follows:The data is stored in the. Data keyThe kind of each observation object is stored in the. Target property of the

to decimalBinary: >>> int (' 2 '), 6Octal:>>> Int (' Ten ', 8)86 binary:>>> Int (' ten ', +)16>>> Int (' 1 a ', +)$ to 16 decimal:>>>Hex (+)'0xC 'Binary:>>>Hex (0b100)'0x4 'Octal:>>>Hex (0o11)'0x9 ' To octal: decimal:>>>Oct (+)'0'Binary:>>>Oct (0b100

1. How to manipulate files in Python2. How to read large filesFiles built-in functions: Open (file_name,access_mode= ' R ', buffering=-1), file ()File access mode:R: Open as read (default)W: WriteA: AppendB: Opened in binary moder+ w+ A +: Read and

The interpretation here is performed in relation to the execution of the compilation. As we all know, a program written in a compiled language like C + + is a machine language that needs to be converted from a source file to a computer's use, and a

When setting up a test environment on CentOS, when you encounter the need to upgrade the Python version, the entire upgrade process is documented:The Python version that comes with CentOS5 is 2.4, but many Python-based applications now require a

#-*-Coding:utf-8-*-# python:2.x__author__ = ' Administrator '#类级#在2.2, the type is presented (TYPE0 and Class) are unified (visit: Https://www.python.org/download/releases/2.2.3/descintro (may no longer exist) )-This makes the subclass of the

The first Python programAgain: All code behind is Python 3.3. Version 2 (Operating environment: WINDOWS7) written. After the installation is configured Python, let's first write the first Python program. Open the Idle (Python GUI) or open the python.

1. Configure the environment variables first:In the environment variable configuration path, enter:C:\Python27; C:\Python27\Scripts;　　 Attention is two;2. Download Django, website https://www.djangoproject.com/download/Decompression django-1.6.5.tar.

In order to facilitate the installation of third-party libraries in Python, today in Python under the PIP, installed in minutes, excitedly want to try the convenience of PIP installation,It's a pity that I was hit by a nail in the beginning! Please

Share the code of the stone scissors provided by Python and the python stone scissors I have previously written an article about the JS-based stone scissors cloth program "share the source code of the stone scissors cloth game implemented by

Usage of the Space Removing function in python, python Space This article briefly introduces the usage of space-removing functions in Python. This is a very practical function and I hope it will be helpful for Python programming. The specific

Python Email sending Method Instance and pythonemail instance This article demonstrates the implementation of the Python Email sending function in the form of examples. It has good practical and useful skills and has relatively complete functions.