grokking system design

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

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

Essence of system design • The essence of system design is to find the abstract behind the application • The requirements and use cases do not express or mention these abstractions. They are too detailed to express the general nature of the underlying Abstraction How to abstract • Abstraction needs to be carried o

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

System of various authority design (1) Video Commentary watch online: Video commentary link http://i.youku.com/jfok1972 The system now has the ability to design a common four types of permissions. 1, the operation of the module permissions: Include can browse, add

Permission design (2) Ii. Visual permissions of module records. In general, what records can you see and what records can't be viewed? It's easy to say and not easy to do. Let's start with a simple requirement. If one internal engineer processes all the contracts in the sales system built above, there is no permission to design the

This article is produced by @ray, reprint please indicate the source. article link:http://blog.csdn.net/wz22881916/article/details/78161080 This year, our team selected the B problem, ball control system. Finally, we got the province special and the country one, also was to finish my big moment's wish. The following is a summary of the game, and later recalled when there is a thought. The ball-rolling control syst