Common Problems of Software Development


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Talk given with at for CS students, revealing Agile principles through real life stories and examples.

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Common Problems of Software Development

  1. 1. Common Problems of Software Development Aleksejs Truhans 10.05.2012 @
  2. 2. Whos speaking?Who?Programmer, student, teacher, administrator,father, analyst, project manager, team leader...Where?,,,,agile-latvia.orgContacts?@AleksejsTruhans,
  3. 3. Things I havent been taught in universityUnit testsVersion controlIssue trackingTest driven developmentPair programming=>
  4. 4. Recent trendsProtecting personal data. And sharing them. SimultaneouslyMobile computingStop pushing features, start delighting usersMultiprocessor parallel computing
  5. 5. We work hard...
  6. 6. …yet we never know the future. By Simon Baker,
  7. 7. Our perception changes... your-perception-change-your-life
  8. 8. People change...
  9. 9. So does the environment.
  10. 10. simplicitydisciplinevaluefeedbackbeyond rules and roles
  11. 11. On February 11-13, 2001, at The Lodge at Snowbird ski resort in the Wasatch mountains of Utah, seventeen representatives convened...
  12. 12. We are uncovering better ways of developing software by doing it and helping others do it. Through this work we have come to value:Individuals and interactions over processes and tools Working software over comprehensive documentationCustomer collaboration over contract negotiation Responding to change over following a plan That is, while there is value in the items on the right, we value the items on the left more.
  13. 13. Applicability
  14. 14. Applicability
  15. 15. Some of our work goes down the drain
  16. 16. Most of time its “almost ready”
  17. 17. We lie to ourselvesCustomers will understandWe will fix it in the next release
  18. 18. Efficiency deterioration
  19. 19. Continuous attention to technical excellence and good design enhances agility. Agile processes promote sustainable development. The sponsors, developers, andusers should be able to maintain a constant pace indefinitely.
  20. 20. More in “Economics of Software Design” by J.B.Rainsberger http://jbrains.ca ?v=7HecgbghFTk
  21. 21. Individuals and interactions over processes and tools Build projects around motivated individuals. Give them the environment and support they need, and trust them to get the job done. The best architectures, requirements, and designs emerge from self-organizing teams.
  22. 22.
  23. 23. Responding to change over following a planSimplicity--the art of maximizing the amount of work not done--is essential.
  24. 24.
  25. 25. Customer collaboration over contract negotiation Our highest priority is to satisfy the customer through early and continuous delivery of valuable software. Welcome changing requirements, even late in development. Agile processes harness change for the customers competitive advantage.
  26. 26.
  27. 27. Business people and developers must work together daily throughout the project.Working software is the primary measure of progress.
  28. 28. Deliver working software frequently, from acouple of weeks to a couple of months, with a preference to the shorter timescale. The most efficient and effective method of conveying information to and within adevelopment team is face-to-face conversation.
  29. 29. At regular intervals, the team reflects on how to become more effective, then tunes and adjusts its behavior accordingly.
  30. 30. Welearnanalyzeinventcommunicatemake decisions
  31. 31. Professionalism...
  32. 32. Responsibility...
  33. 33. /
  34. 34. Focus...
  35. 35. More:
  36. 36. Interested?Watch the presentations: the books...