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If you eat fruits only, there is no need to clean your body. The body cleans itself.
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Herding cats S*%#&#@!
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Herding Cats: CS2103/T, Lecture 5, Part 1, [Feb 13, 2015] Making Teams Work
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V0.5V0.2V0.1 Insert buffers
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V0.5V0.2V0.1 Insert buffers
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V0.5V0.2V0.1 Assign roles Tester Developer (In charge of) code quality (In charge of) testing (+ expertise)
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V0.5V0.2V0.1 Define tasks, schedule tasks
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V0.5V0.2V0.1 Define tasks, schedule tasks
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V0.5V0.2V0.1 Assign tasks
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V0.5V0.2V0.1 Assign tasks GitHub Issue tracker (+ HubTurbo) Define, Schedule,
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V0.5V0.2V0.1 Use collaboration tools
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V0.2V0.1
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Use collaboration tools GitHub Doodle scheduler
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Most of all, be sincere.
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A project cannot fail because of one person.
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What did each person do during last week? What did each person plans to do during next week? Amount/Variety of work, Consistency
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Framework Platform Specify requirements… Textual descriptions Feature list User stories Use cases OO domain models Object diagrams State machine diagrams Activity diagrams UI prototypes Glossary Supplementary requirements … Combat complexity… Use abstraction, build models System Detailed design BAC D Possible Improvements: Apply OO principles Apply analysis patterns Categorize and prioritize requirements Possible Improvements: ↑Cohesion, ↓Coupling Apply design patterns (Abstraction Occurrence, Singleton, Command, Observer) Apply design principles (Open/close, Law of Demeter, Separation of concerns, …) Use polymorphism (inheritance, interfaces, dynamic binding) Good product design guidelines (e.g., usability, …) Possible Improvements: Refactor code Coding standards and good coding practices Protect code using assertions, exceptions, logging, and defensive coding. Build automation Possible Improvements: Automate testing Use Test-Driven Development Increase efficiency and effectiveness of testing (Equivalence partitioning, Boundary Value analysis) Increase test coverage (function/entry/exit/statement/branch/ condition/path coverage) isolate SUT using drivers, stubs and dependency injection Unit testing Integration testing System testing Acceptance testing Alpha/beta testing Developer testing Made up as you go → Exploratory testing Predetermined → Scripted testing Can be created in these ways: o Black-box, Glass-box, Grey-box = Validation & Verification Testing Other V&V techniques: formal verification static analyzers code reviews … Unified process Agile processes B API (Application Programming interface) Architecture styles such as n- tier, client-server, peer-to-peer, broker, pipes-and-filters, service-oriented, transaction- processing, and MVC Top-down design Bottom-up design Integration Can be late-one- time, or early- and-continuous Can be top- down, bottom- up, sandwich, big-bang y x z yx z operations Class diagrams Sequential Iterative Breadth- first Depth- first Work-breakdown structures Project plans Team structures C A B D BA D Sequence diagrams Architecture After modifications… Regression testing Includes buffers and milestones Chief-programmer Egoless Strict hierarchy XP (Complex) Problem domain Establish requirements… brainstorming Focus groups User surveys Product surveys Observations Interviews Prototyping More agile -> less upfront detailed design ANALYSIS DESIGNIMPLEMENTATIONQUALITY ASSURANCE PROJECT MANAGEMENT Library QA User Issue trackers Detailed design Test cases Scrum CMMI RCS We use OO to ‘align the view’. We use UML as the standard notation. Stakeholders Requirements Specification System Specification
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