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Remote pair programming (BuildStuffLt)
This document discusses the concept of remote pair programming and how it can enhance collaboration within distributed teams. It outlines strategies for building a productive team, the importance of knowledge sharing, and introduces pair programming techniques such as driver-navigator and test driven development. The talk emphasizes overcoming obstacles and fostering a collaborative environment to boost team efficiency and cohesion.
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Remote pair programming (BuildStuffLt)
- 1. Remote Pair Programming BuildStuff.lt Johannes Brodwall ExilesoftChief scientist @jhannes
- 2. How can adistributed team still collaborate closely?
- 3.
- 4. This talk isfor you if you…
- 5. You work ina team, but...
- 6. Your team doesn’t feellike a team
- 7. Your distributed teamdoesn’t feel like a team
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- 9. Three things tobecome a super productive team
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- 11. But first –a competition:
- 12. Competition: Find the bluesentence
- 13. 1. What isa super team 2. Building a super team with pairing 3. Getting the benefits 4. Summary
- 14.
- 15. What is asuper team?
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- 29. 20 minutes fix (where10 was waiting)
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- 32. Planning Johannes: You’ll create CRUDSOAP service for projects with applications Okay Backend dev “Scrum” Johannes “Master”
- 33. Planning How long willit take? Um… Backend dev “Scrum” Johannes “Master”
- 34. Planning Backend dev 2 Backend dev “Scrum” Johannes “Master” It’spretty easy with Hibernate Okay, 8 hours for each of Create… then !
- 35. Stand-up Today, I willwork on Create Project Backend dev Database dev Scrum master Johannes Designer Frontend dev
- 36. Stand-up No impediments Backend dev Databasedev Scrum master Johannes Designer Frontend dev
- 37. Behold – theuber coder
- 38. Exception! org.hibernate.PropertyValueException: not-null propertyreferences a null or transient value: ....common.entities.Application._applicationsBackref org.hibernate.engine.Nullability.checkNullability(Nullability.java:95) org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:313) org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204) org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130) org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEvent Listener.java:210) org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56) org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195) org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50) org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
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- 43. Stand-up Yesterday, I worked onCreate Project Backend dev Database dev Scrum master Johannes Designer Frontend dev
- 44. Stand-up Today, I will hopefullyfix the exception and also do Delete Project Backend dev Database dev Scrum master Johannes Designer Frontend dev
- 45. Stand-up No impediments Backend dev Databasedev Scrum master Johannes Designer Frontend dev
- 46. Stand-up How could they help anway Backenddev Database dev Scrum master Johannes Designer Frontend dev
- 48. Behold – theuber coder
- 50. Stand-up Yesterday, I finally finishedDelete after 3 days of «coding» I didn’t need the Delete service Backend dev Database dev Scrum master Johannes Designer Frontend dev
- 51. Stand-up Yesterday, I finally finishedDelete after 3 days of «coding» I didn’t need the Delete service Backend dev Database dev Scrum master Johannes Designer Frontend dev
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- 53. Imagine you should carry10 wooden beams Each is 3 meters and 30 kg
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- 55. Stand-up I’m ready fora new task. What’s on the board.. Johannes Scrum master Johannes
- 56. Stand-up «Let’s users administrate theirprojects» Johannes Scrum master Johannes
- 57. Stand-up I haven’t doneany Hibernate tasks before. Who can I pair with? Scrum master Johannes Johannes I can work together with you
- 59. Exception! org.hibernate.PropertyValueException: not-null propertyreferences a null or transient value: ....common.entities.Application._applicationsBackref org.hibernate.engine.Nullability.checkNullability(Nullability.java:95) org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:313) org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:204) org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:130) org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEvent Listener.java:210) org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:56) org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:195) org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:50) org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
- 60. That link doesn’treally seem relevant. Are we getting anywhere? Time to ask for help?
- 61. I think Dileepahas worked on this sort of thing before
- 62. Yeah, just lookat the Person HasMany Roles mapping Dileepa
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- 65. Everyone works everywhere Knowledgeis disseminated You’re never alone
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- 69. Debate club “No, thisvariable should be called fooNumber, not fooNum”, “But it’s a common abbreviation”
- 70. Dedicated driver “I’ll writethe parser” “I’ll design the algorithm”
- 71. Driver-navigator “I don’t knowhow to solve this, so I’ll sit at the keyboard”
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- 77. Failing test Write code Failingtest Write code Failing test
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- 79. Failing test Write code Refactorcode and tests Failing test Write code Refactor code and tests Failing test
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- 81. Failing test Write code Failingtest Write code Failing test
- 82. Failing test Write code Refactorcode and tests Failing test Write code Refactor code and tests Failing test
- 83. Failing test Write code Refactorcode and tests Failing test Write code Refactor code and tests Failing test
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- 85. Kata: Number totext
- 86. Kata: Number totext 8192 => eight thousand one hundred and ninety two 125,017 => one hundred and twenty five thousand and seventeen
- 87. What does itfeel like?
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- 89. From here tothere
- 90. Make sharing intoa goal
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- 93. Arunas Add new company ✓ Displaycontacts on map ✓ Dileepa ✓ Chinthaka ✓ Store password securely ✓ ✓ ✓ Authenticate user by company Sergey ✓ ✓ Filter contacts in list Usernames with Norwegian letters are rejected Johannes Thomas ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
- 94. Arunas Add new company ✓ Displaycontacts on map ✓ Dileepa ✓ Chinthaka ✓ Store password securely ✓ ✓ ✓ Authenticate user by company Sergey ✓ ✓ Filter contacts in list Usernames with Norwegian letters are rejected Johannes Thomas ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
- 95. Arunas Add new company ✓ Displaycontacts on map ✓ Dileepa ✓ Chinthaka ✓ Store password securely ✓ ✓ ✓ Authenticate user by company Sergey ✓ ✓ Filter contacts in list Usernames with Norwegian letters are rejected Johannes Thomas ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
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- 98. With a trueteam, no member owns more than their current task
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- 100. You will getmore done (But not in the first or second sprint)
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- 102. • • • Skype (or anyvoice sharing) GoToMeeting (or flexible screen sharing) Dropbox (or any file sharing)
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- 104. • Experiment withswitching patterns • Try out ping-pong • “Could we try it this way first?”
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- 110. • Ask forhelp • Don’t wait for • • Perfect tool Perfect oppunity
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- 113. • • • Two people atone codebase No member owns a task beyond the day Team rotates pairing
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- 116. • • • • • • • Less Overproduction (unusedfunctions in API) Less Waiting (for the only person who knows X) Less Motion (as everyone gets more skilled) Fewer Defects (as two pair of eyes see better) Less Over-processing (from double responsibility) Less Inventory (as team works more focused) Less Transportation (handoffs inside a story)
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- 118. • • • Ask for help– don’t work alone Try ping pong programming for two hours Be open, share and listen
- 119. Competition: What was theblue sentence?
- 120. A team creates togetherwhat no member could do alone
- 121. You can startas soon as you get back to work
- 122.