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This article will explain the ubiquitous case class and pattern matching in Scala, why put it together, because it is generally used in conjunction with pattern matching, and is used to never want to write Java code after this set of combinations, use Les s code to show more! Case Class Case class refers to the word keyword in front of class, and here is an examp

　　 　　 Case has two formats. Simple Case functions and Case search functions.-- Simple Case FunctionCASE sexWHEN '1' THEN 'male'WHEN '2' THEN 'female'ELSE 'others' END-- Case search functionCase when sex = '1' THEN 'male'WHEN sex = '2' THEN 'female'ELSE 'others' ENDThese two

LSupplement the use case.1. New test ideas or bugs are generated during the test execution phase. If no use cases are covered, add all the use cases within one week after the project is released. Overwrite each bug with corresponding use cases. Supervised by product line owner LPublic Use Case library.2. the directory structure of the public use case library shou

IntroductionAs developers creating data-driven Web applications, we 've all written more than our fair share of SQL statements. if I had a nickel for every SELECT statement or UPDATE statement I 've written in my six years as a Web developer, I 'd be a rich man. despite the familiarity with SQL that extends Web developers have, one of the lesser known SQL tools is the CASE statement. the CASE statement is a

(a) preview 1. Create Project 2. Create requirements (skip) 3. Create plan, 4. Create a use case, 5. Version management (build), 6. Assigning Use cases to requirements (possibly more than one, skipping) 7. Add a use case to a plan 8. Assigning performers to use cases 9. Execution plan/Report bug 10. View analysis Results (generate test Report) (ii) Details 1. Create Project: Test Project management--> Creat

Uml-unified Model Language Unified Modeling Language, also known as standard modeling language. is a language used to visualize modeling software-intensive systems.There are three main models in UML system development:Functional Model: Display the function of the system from the user's point of view, including use case diagram.Object model: Using the concepts of object, attribute, operation and correlation to show the structure and foundation of the s

Labels: soft test UML object-oriented An important way for users to communicate with developers is to describe user requirements. Developers can understand the functions of the system from the perspective of users. A Use Case chart has three main elements: the participant (actor), the use case, and the relationship between objects in the use case chart. The conta

[Original] Test Case Design: "Scenario Method" The scenario design test case is mainly used in the event trigger process. When an event is triggered, a corresponding scenario flow is formed, with different event triggers, different sequences, and different processing results, to form a series Event stream result. This method is very helpful when designing test cases! Therefore, it is very important to desi

Tags: style blog http io ar using strong SP dataReprinted from http://lj.soft.blog.163.com/blog/static/7940248120109215191358/Case has two formats. Simple case function and case search function.--Simple case function when ' 1 ' then ' Male ' when ' 2 ' then ' women ' else ' other ' end--

Commonalities: the common information is extracted from the existing use cases. As a separate use case, different methods are used to reuse this public use case, to reduce the workload of model maintenance.1. Include) Inclusion relationship: Use inclusion cases to encapsulate a group of similar actions (behavior fragments) that span multiple use cases, so that multiple base use cases can be reused. Use

Label: style HTTP color OS ar use strong SP data 【Abstract】 this article introduces the general elements of a test case and how to design a test case template based on the characteristics of the project to improve the design efficiency of the test case and automate the calculation of the test case execution result repo

Turn from: http://blog.csdn.net/icu/archive/2006/03/07/617638.aspx preface Now that RUP is at its zenith, demand analysis is the first step and can be seen as a prerequisite for advanced system analysts, so if you use object-oriented analysis techniques to describe the requirements. In a demand analysis process, there are project descriptions, risk analysis, use case diagrams, and descriptions, which are part of the project recommendations. One of the

Label:SELECTCount (case if Shenfenid like "11%" then "Beijing" end) Beijing,Count (case if Shenfenid like "12%" then "Tianjin" end) Tianjin,Count (case if Shenfenid like "13%" then "Hebei" end) Hebei,Count (case if Shenfenid like "14%" then "Beijing" end) Shanxi,Count (case

The use case diagram is mainly used to illustrate the main event process of the system. It is mainly used to describe the customer's needs, that is, the user wants the system to complete certain functional actions, the general understanding of use cases is the functional module of the software, so it is the starting point of the design system analysis phase. The designer creates and explains the use case di

first, UML use case diagram basic conceptUML Use-case diagrams: Dynamic views that describe the functionality of a system, consisting of actors "actors", use cases, and their relationships. Use case diagrams consist of actors, use cases, arrows, and system boundaries.STARTUML, the UseCase bar displays the following: Top to bottom: package, use

How to use case in SQL Case has two formats. Simple case function and case search function. Copy Code code as follows: --Simple Case function Case Sex When ' 1 ' THEN ' male ' When ' 2 ' THEN ' woman '

Original: UML Use case diagram summaryReprint Please specify source: http://blog.csdn.net/tianhai110Use case diagrams are primarily used to describe the relationships 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

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

A test case is a document about a specific test step that describes the input parameters, conditions, and configuration of the test, the expected output, and so on to determine whether the software being tested is working properly. Designing, writing, and executing test cases are an important part of the test activity, and test cases are typically managed by a test case management system or tool. First, the

SQL statement case when then else end returns a qualified value, sqlcase Case has two formats Simple Case functions and Case search functions: -- Simple Case function CASE sex WHEN '1' then' male 'when' 2' then' female 'else' othe