logi case

A lot of people in the analysis of demand, the use of the East pull gourd West pull Scoop way, listed a lot of demand points, but when you read, you still do not know what to do!! ----written in front.Use cases, English names using case, English and Chinese are very good understanding, because everyone is so used, we will not pursue the name of the problem, as long as we know "use cases are used to describe the requirements of the process", that is: d

Switch case is a qualified data in js, which is much simpler than if else. Next I will introduce my understanding of js switch case. In the if Condition Statement, only one logical condition can exist. if multiple conditions exist, you can use nested if statements to solve the problem. However, this method increases the complexity of the program, reduce program readability. The switch flow control statement

The automated regression test case evaluation criteria try to define different dimensions to evaluate the advantages and disadvantages of automated cases, which serves as the basis for subsequent evaluation and discussion of the test framework, test technology, and test case writing mode. So what is a good automated regression test case? In short, it is a

I. Introduction to UML Use case modeling Use case modeling is part of UML modeling, and it is the most basic part of UML. The most important function of use case modeling is to express the functional requirements or behavior of the system. According to my understanding use case modeling can be divided into use

http://m.blog.csdn.net/blog/tianyazaiheruan/8988420Today qnovations teacher in the use of switch, this design to the most basic content, may forget some of its basic grammar, there are some errors, so impromptu from a variety of data query summed up the following content, hoping to help those who are plagued with switch errors and various details of the problem of friends!1.switch-case Precautions:Switch (a), the value of a in parentheses can only be

Transferred from: http://blog.csdn.net/tianhai110Use case diagrams are primarily used to describe the relationship between users, requirements, and system functional units. It shows a model diagram of a system function that an external user can observe."Purpose": helps the development team to understand the functional requirements of the system in a visual way.The use case diagram contains the following ele

I,Description of the use case diagram Use Case (Use Case) Refers to the interaction between the system's external things (activists, devices, or external systems) and the system. It expresses the functions of the system, that is, the services provided by the system. A Use Case chart is a visualization tool used to

1. Oracle 10g1. 1 Description In Oracle 10 Gb, passwords are case-insensitive by default. This is due to the default parameters of the password file. C: \ Users \ administrator. David Dai> orapwd Usage: orapwd file = Where File-name of password file (required ), Password-password for sys will be prompted if not specified at CommandLine, Entries-Maximum number of distinct DBA (optional ), Force-whether to overwrite existing file (optional ), Ignorec

other employee. 3. object diagrams in UML:The instance mark is the same as the class, but it replaces the only class name in the top area. Its name is spliced: Instance Name: Class Name such as Donald: Person Because the purpose of displaying instances is to display noteworthy or related information, it is not necessary to include the entire object attribute and operation in your model. On the contrary, it is entirely appropriate to only display the attributes of interest and their values. UML

What is use case The writing of case description documents is a reflection of the deep understanding of user requirements by system analysts. It is an important basis for later time sequence diagrams and actual development. It can also be used as a basis for project estimation, as well as to measure the efficiency of developers Based on UC complexity and development cycle. Therefore, the writing standard o

The use Case control class model describes the communication between the interface control class and the entity class, the use case control class is located in the Business Rule service layer of the system structure, and the use case control class model is described by package diagrams. This chapter introduces the design process of the use

This article is from my PPT that provides case training. This article includes1. Basic concepts of Use Cases2. Functions of Use Cases3. Where to find use case clues4. How to discover Use Cases5. Guidelines for writing Use Cases6. How to determine whether the system use case is valid 1. Basic concepts of Use Cases(1)Requirement Analysis (

One, use case model 1. Use Case Concepts Use cases: The functional requirements found when using the system should not be overly complex, simply what you want the system to be capable of, to increase the value of the system. Use case model includes use case description and use

IntroductionBeef Brisket News Release system looks very feel, a line of feeling, after all, this is a system implementation of the tutorial, including a variety of details, although just looked at 10 episodes around, but deeply by the beef brisket Teacher's explanation of ideas brought in, especially some of the previous learning process neglected details, rice teacher said, At present, learning knowledge, follow-up learning will also be encountered. Really, learning is a circle, this feature is

Original address: http://blog.csdn.net/zhuojiajin/article/details/8657853See the UML video, feel the UML content actually look very clear. When I started to paint, I found out that it was purely a teacher's job. Listen to understand or feel that you understand that it is just an illusion. For the UML diagram or understanding is not thorough enough, of course, now ask yourself to be thorough is also a dream. Although it is an illusion, trait also let me watch the video when I feel happy. Furtherm

Switch syntax The code is as follows Copy Code switch (expression){case constant Expression 1: statement 1;....Case constant Expression 2: statement 2;Default: statement;} Default is to execute it if it is not matched, and default is not necessary.The statement after the case can be without curly braces.The decision conditio

Document directory 9.2.2. Case sensitivity of the identifier From: http://bbs.chinaunix.net/viewthread.php? Tid = 812899 This problem is lost because I just got started with pgsql. PostgreSQL is case-sensitive and converts the database object name in SQL statements to lowercase by default. Therefore, if you specify a name that is case-insensitive when creat

In the UML 9 kinds of diagram, the use case diagram is the more important one kind of diagram, it is the diagram which produces in the system analysis stage, from the function carries on the analysis to the system the model, has played the strategically advantageous position function to the subsequent system development, the use case picture is good, then the system also is not far away from the success.A d

Before we talk about how to build a use case model, what should be paid attention to when building a use case model? Problems to be noticed in building use case model To give you a few common problems in building use case models and principles to follow: A How to discover Use cases After the above explanation, I be

The IF statement has the following basic forms: I. If-then statement IfConditionThenStatement 1;...Statement N;End if; II. If-then-else statement IfConditionThenStatement 1;ElseStatement 2;End if; Iii. elslf statements IfCondition 1ThenStatement 1;ElsifCondition 2ThenStatement 2;ElsifCondition 3ThenStatement 3;...ElseStatement N;--> In an elsif statement, the else clause is not required.End if Next, let's take an example: Use the sysdate function to determine whether today is a weekend. If it is