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Auther: zfive5 (zhaozidong)Email: zfive5@yahoo.com.cnDatetime: 2004-12-10 02:20:00
I was asleep now, but it was hard to fall asleep due to a severe toothache. I had to open the machine and write something, so I learned to studyCOM component usage!First, write a simple COM component using VC,
Vc idl and class definition:
# Pragma once# Include "resource. H" // main symbol
// Iizfive5[Object,UUID ("808d04aa-c
._clean_fields () self._clean_form () Self._post_clean ( )Start validation field: Self._clean_fields ()def _clean_fields (self):#循环字段, the field that is set in the form component, which is from the __new__ of Declarativefieldsmetaclass forName, fieldinchSelf.fields.items (): # value_from_datadict () gets the data fromThe data dictionaries. # Each widget type knows what to retrieve it own data, because some # widgets split data over several HTML Fiel
Example Analysis of super keyword usage in Python and python instance analysis
This example describes the usage of the super keyword in Python. Share it with you for your reference. The
Example Analysis of return Statement usage in Python and python instance analysis
This example describes the return statement usage in Python. Share it with you for your reference. The
Python data analysis: a method example for obtaining the history information of a two-color ball, python Data Analysis
This article describes how to obtain the history of a two-color ball through Python data
Example Analysis of reference and replication usage in python and Analysis of python instances
This example describes how to reference and copy data in python. Share it with you for you
This article mainly introduces the usage of the python callback function, analyzes in detail the common call methods, and introduces the usage skills of the Python callback function, for more information about how to use the python callback function, see the example in this article. Share it with you for your reference
Python callback function usage Example Analysis, python callback function
This example describes the usage of the python callback function. Share it with you for your reference. The specific
Python data analysis-two-color ball-based linear regression algorithm to predict the next winning results example, python winning results
This article describes how to use a two-color ball in Python data analysis to predict the ne
This paper analyzes the Python multi process Programming technology in an instance form, which helps to further python programming techniques. Share to everyone for your reference. The specific analysis is as follows:
In general, we tend to use multiple processes in Python because of the limitations of
This example describes the anti-pattern in Python programming. Share to everyone for your reference. The specific analysis is as follows:
Python is one of the hottest programming languages of all. Concise and expressive grammar, two or three lines of code tend to solve a problem that can be solved by a dozen lines of
Python iter () function usage Example Analysis, pythoniter
This example describes the usage of the Python iter () function. We will share this with you for your reference. The details are as follows:
The iterator in python is very
As we all know, although the Python programming language is simple and easy to use, its functions are quite powerful. Especially in the object-oriented aspect, the advantage is more obvious. We will introduce the Python Class application method in detail today to deepen our understanding of this aspect.
To discuss the OO features of Python, understanding
This article mainly introduces the Python multi-process programming technology, including the concepts of threads, queues, synchronization, and other related skills, if you need it, you can refer to this article to analyze the Python multi-process programming technology in the form of an example, which will help you further develop the
This article mainly introduces the Python generator definition and simple usage, combined with the example form more detailed analysis of the Python generator concept, principles, usage and related operations considerations, the need for friends can refer to the following
The examples in this article describe
Python pickle module usage Example Analysis
This example describes how to use the Python pickle module. Share it with you for your reference. The specific analysis is as follows:
Pickle provides a simple persistence function. Obj
The example in this article describes the Python function local variable usage. Share to everyone for your reference. The specific analysis is as follows:
When you declare variables within a function definition, they are not related to other variables with the same name outside the function, that is, the variable name is local to the function. This is called the
Example Analysis of sys. argv parameter usage in python
This example describes how to use the sys. argv parameter in python. Share it with you for your reference. The specific analysis is as follows:
In the course of learning
Example Analysis of base64 encryption and decryption methods in python
This document describes the base64 encryption and decryption methods in python. Share it with you for your reference. The specific analysis is as follows:
I. base64
Base64 is a representation of binary da
This example describes the use of Python under MySQLdb. Share to everyone for your reference. The specific analysis is as follows:
Download and install MySQLdb
①linux version
http://sourceforge.net/projects/mysql-python/download, in the installation is to first install Setuptools, and then in the download file directo
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