quora system design

Design and Development of the member Management System (3)-sharing the design ideas on the main interface and the main interface After a period of intensive development, the member management system finally completed and released the software. During this period, I encountered many technical difficulties and accumulate

Façade Design PatternsFaçade design patterns are used in Tomcat in multiple places, in Request and Response object encapsulation, standard Wrapper to ServletConfig encapsulation, ApplicationContext to ServletContext This design pattern is used in the middle of the package.The principle of façade design patternThis

I am not an architect. Writing this content is just a personal summary for your reference. When talking about system architecture, we often hear statements like "three-tier architecture" and "multi-tier architecture, however, the strict UML design does not directly describe the "layer" image; in a typical architecture design document based on the "4 + 1 View", t

Recently responsible for a project's system architecture design, just started rough to give a draft. After a revision with a draft to find the company's chief scientist legend of "God", a long talk, although criticized for nothing, but I feel unusually cool, suddenly feel that in the system architecture design has grad

3 efficient Tags tag system database design solutions, tags design solutions Background Currently, mainstream blog systems and CMS all have a TAG Tag system, which not only enhances the structure of content links, but also allows articles to be distinguished by tags. Compared with the traditional Keyword mode, this Tag

Bookstore Management SystemThe bookstore management system can be said to be a more classic example of design patterns and design ideas.This series will be divided into several sections on this transmission management system.Bookstore management system will be divided into: Users, books, purchase, sales and inventory o

In recent work, we need to design a complete system, including B/S web services and databases, and the C/S structure of the application layer private communication protocol.ProgramModule, involving interaction with external databases and external modules. Because I am really a little bit of a design, and I am not familiar with database and web, after I have

controls that make up the user interface, while the C # programming language is used in the background. The biggest advantage of using. NET programming is the ease of management and high reusability. The database selects SQL Server 2000, and the application uses ADO. Net to establish a connection with the SQL Server 2000 database, and uses the SQL language to operate its database. In this system, a large number of stored procedures are used to operat

After a period of intensive development, the member management system finally completed and released the software. During this period, I encountered many technical difficulties and accumulated many development experiences and experiences. This article continues to introduce the technical points in this development process. This chapter mainly introduces the member management, share some design ideas on the

Article Description: grid system is a good habit, but also a format of the design tool. With it, you can focus more on content presentation and focus on emphasis. The grid ensures that the design structure is organized and clearly structured. We can better build the information level of the design through t

Recently, the company launched a nationwide Business System, which covers all business processes. Users include 32 subsidiaries nationwide, it can be said that it is a huge system that puts all the eggs in the same blue, how hard it is to go online, just to say that some problems after the launch bring me some inspiration for business system

Preface: the notification system is an important part of the website information dissemination mechanism. It is sufficient to write a large chapter to describe it. This article only sorts out the design principles and will be updated in the future. The notifications here include but are not limited to announcements, reminders, or messages (the functions are defined differently in different use cases ). For

Written in the front: the notification system is an important part of the information dissemination mechanism of the website, enough to write a large chapter to explain. This article only combs the design principle, the subsequent related content will continue to update. Notifications here include, but are not limited to, announcements, reminders, or messages (different function definitions under different

. These heterosexual friends are actually an aggregation. Therefore, if you stand in the woman's perspective, she and the man is related to the relationship, if standing in the opposite sex friends, the woman is just one of the male heterosexual friends, the woman and the opposite sex friend is the aggregation relationship. This also shows that the relationship is actually relative. Next, the two sides ended up in love, fell in Iove, and finally walked into the halls of marriage, forming th

Mode: A specific environment, a problem, a solution Core Idea: reuse design Environment + problem + solution Design Pattern: Describes custom objects and classes for each other, and solves general design problems in a specific environment. Singleton mode: Make sure that a class has only one unique instance and provides a global access point. Solution: The const

Abstract: The database is the foundation of the system. If you need to change the fields of the database frequently, or even modify the table and table relationship, I believe that no one will be able to cope with it several times! Because of the changes in the database structure, not only the changes in the database itself, but also the code at the entity, data operation, logic, and performance layers must be modified. What's more troublesome is tha

First, preface Data product design and business product design differences or relatively large, based on past experience, the introduction of 5w+1h analysis method, the formation of data product design thinking framework, to solve the data Product manager, face data product design, not the problem.Second, the text T

The previous section describes the entire production process of the page. We are looking forward to the third article, that is, replacing the label, the core content of production. To be honest, I am very stressed. :) you may not accept it because of a single implementation idea. My tags are divided into two types. One is the configuration variable tag (that is, the config of the site and the System), which is represented by % variable name %. It sh

Beijing Institute of Electronic Technology (BESTI)Lab Report CoverCourse : Fundamentals of Information Security system designclass : 1352name : (rank by contribution size) Lihangyi's Liu WeihanStudy number : (by contribution size) 20135211 20135216score : Instructor: Lou Jia Pengdate of experiment : 2015.12.1Experimental Classification :Preview Level :experimental time : 15:30-17:30Instrument Group : 11compulsory/elective : CompulsoryExperiment

[Test] database system principle (II)-detailed explanation (database design and ER Model), database system principle er Everything has a lifecycle. Of course, the database system is no exception! The database design and ER model chapter mainly explains the