import socketimport reimport multiprocessingclass WSGIServer(object): def __init__(self): # Create a socket self.tcp_server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.tcp_serve
Category: Software Design
Software design is based on the software requirements specification, designing the overall structure of the software system, dividing functional modules, determining the implementation algorithm of each module, and writing specific codes according to the functions determined in the requirements analysis stage to form a specific software design plan. Software design abstracts many things and problems, and abstracts them at different levels and angles. Decomposing a problem or thing and modularizing it makes it easy to solve the problem. The finer the decomposition, the greater the number of modules. Its side effect is to make the designer consider more coupling between modules
Abstract method and abstract class
1. Abstract class The purpose of an abstract class is to mark certain classes that cannot be initialized, but can only be inherited and polymorphic, such as Animal is an animal class, there is n
Inheritance – superclass inheritance in React DEFAULTPROPS
I think some props (for example, themes) are so common in components that the processing (for the super class) to extract them makes sense. Then its default value also belongs to There.
But,
Multi-level inheritance C.
Assuming that a class C inherits from class B, it overrides the virtual function defined in A. C does not override the function. When the pointer of type A* points to an object of type C, Will the
Abstract class and normalization
import abc
class Animal(metaclass=abc.ABCMeta): # Can only be inherited, not instantiated
@abc.abstractmethod
def run(self):
pass
@abc.abstractmethod
def eta(self):
pass
class Pople(Animal):
Object-oriented, class
1. Relationship between class and object Class is an abstraction of objects, does not occupy memory, and represents the concept of a group. It is a group with the same attributes and methods A coll
Laravel implements custom generation file commands
Foreword The Entiy file is used in the current project, and the corresponding Entiy file must be created every time a table is added. , It is very troublesome to set variables at the same time. So
SSO introduction
www.djangoproject.com Custom certification related webpage
class meta:abstract=true does not create a table, only inherited
crash library: md5+ salt< /p> account
LPAP lightwe
OOP – object-oriented design principle abstraction
While reading abstraction, I came across the following statement
“Abstraction only captures the details of objects related to the current perspective”
For example.
From the driver’s poi
Based on China-based Internet IoT development — based on .NET SDK package
Recently, the concept of the Internet of Things is relatively popular. A large number of manufacturers are rushing to occupy the level of the Internet of Things, including Huawei Internet of Things