Remote Pair Programming - A Guide for Distributed Teams - DevNexus2013

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Remote Pair Programming A Guide for Distributed Agile Teams Tuesday, February 19, 13

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Joe Moore - @joem [email protected] Pivotal Labs - @pivotallabs Who? Tuesday, February 19, 13

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Who? Tuesday, February 19, 13

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Who? Tuesday, February 19, 13

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Agenda Overview People Dos and Don’t Challenges Technology Tuesday, February 19, 13

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Who? Pair programming since 2000 Tuesday, February 19, 13

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Who? Remote pair programming full time since 2010 Tuesday, February 19, 13

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That part of the Presentation When I ask the questions Tuesday, February 19, 13

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Pair Programming? • Higher quality • Fewer defects • Focus • Intensity • Faster problem solving • Knowledge transfer • Code review • Tuesday, February 19, 13

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What? Remote pair programming Tuesday, February 19, 13

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What? Pair programming, but not at the same physical computer Tuesday, February 19, 13

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What? What does it look like? Tuesday, February 19, 13

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Video Remote pairing: debugging a phone http://youtu.be/mfoJ6mBVi2w Tuesday, February 19, 13

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Challenges Tuesday, February 19, 13

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Challenges Tuesday, February 19, 13

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Video Remote pairing: (listen for both our voices) http://youtu.be/CWJMzW1ZqNE Tuesday, February 19, 13

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Video Remote pairing: coding via screen sharing http://youtu.be/4PkT1bbmA4I Tuesday, February 19, 13

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When? Remote pair programming Tuesday, February 19, 13

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When? Multiple Office Locations “Virtual Company” Random Remote Devs On-Demand Expertise Remote Pairing Interviews Tuesday, February 19, 13

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Why? Remote pair programming Tuesday, February 19, 13

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Why? RPP can have the same benefits as in-person pair programming Tuesday, February 19, 13

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Why? • Higher quality • Fewer defects • Focus • Intensity • Faster problem solving • Knowledge transfer • Code review • Tuesday, February 19, 13

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Why? Counteract remote development pitfalls Tuesday, February 19, 13

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How? Remote pair programming Tuesday, February 19, 13

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How? It’s about the people, not just technologies Tuesday, February 19, 13

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How? You can’t fix a team of tools with tools Tuesday, February 19, 13

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How? Patience Tuesday, February 19, 13

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How? Express your ideas clearly and concisely Tuesday, February 19, 13

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How? Extremely good pairing etiquette Tuesday, February 19, 13

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How? “Do you mind if I drive?” “I’m going to grab the mouse.” “Can I look at something?” “Go ahead and drive.” Tuesday, February 19, 13

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How? Supportive operations/infrastructure team Tuesday, February 19, 13

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How? A good attitude Tuesday, February 19, 13

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How? Team must be generous and understanding Tuesday, February 19, 13

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How? Do’s and Don’ts Tuesday, February 19, 13

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Do… • Be patient • Be assertive about being included • Make an effort to include remote dev • Take breaks, play ping pong • Use video (especially at first) How? Tuesday, February 19, 13

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x Exclude remotes from local conversations x Exclude remotes from meetings x Be the strong, silent type x Just walk away x Lay your headphones on keyboard Don’t… How? Tuesday, February 19, 13

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Challenges The same challenges as in-person pair programming Tuesday, February 19, 13

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Challenges Overlapping schedules Tuesday, February 19, 13

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Challenges Lack of shared facilities • Whiteboards • Notecards • Big visible charts • Information radiators • Lunch area • Hallway conversations • Tuesday, February 19, 13

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Challenges 2 timezones is hard 3 timezones is harder 12 timezones is…??? Tuesday, February 19, 13

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Challenges Technology gremlins • flaky internet • firewalls • Skype • crappy software • broken hardware • Skype • VPNs • SKYPE Tuesday, February 19, 13

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Skype • Skype • Skype • Skype • Sk ype • Skype • Skyyyyyyyype • Skyp Skype • Skype • Skype • Skype • Sk SKYYYYYYYYYYYYYYYYYYYYYY YYYYYYYYYYYYYYYPE!!!!!!! • Sky • Skype • Skype • Skype • Skype Skype • Skyyyye!!! Skype • Skype • Skype • Skype • Skyyyyyyyyyyyyype!!! • Skype • Sky Tuesday, February 19, 13

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Challenges Get savvy with your home network Tuesday, February 19, 13

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Meetings, stand-ups, scrums, planning sessions, etc? But what about… Tuesday, February 19, 13

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Questions before we talk about technology? Tuesday, February 19, 13

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The Tech Development Workstation Tuesday, February 19, 13

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Computer for Development Tuesday, February 19, 13

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Laptop or iPad for Skype Tuesday, February 19, 13

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Snowball Mic for Groups or Ofﬁce Tuesday, February 19, 13

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Speakers for Groups or Ofﬁce Tuesday, February 19, 13

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Headest Tuesday, February 19, 13

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The Tech Fast high speed Internet, especially upload bandwidth from the host Tuesday, February 19, 13

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The Tech Remember wired networks? They’re fast! Tuesday, February 19, 13

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The Tech VPN: gateway through firewalls Tuesday, February 19, 13

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The Tech: Screen Sharing Full desktop sharing or Terminal based Tuesday, February 19, 13

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The Tech Full Desktop Sharing Tuesday, February 19, 13

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The Tech: Screen Sharing Full Desktop Sharing Considerations Cross Platform? Works across Windows, Mac, Linux No VPN Some (usually) punch through firewalls, some don’t In Web Browser Quickest way to get a session going, but sometimes limiting 2-Way Control Presentation software only allows the host to control Tuesday, February 19, 13

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Joe’s Recommendations The Tech: Screen Sharing Full Desktop Sharing Cross Platform No VPN In Web Browser 2-Way Control ✓(VNC) X X ✓ ✓ X X ✓ X ✓ X ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ X X ✓ ✓ ✓ X Tuesday, February 19, 13

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Screen Sharing The Tech /System/Library/CoreServices Tuesday, February 19, 13

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The Tech: Screen Sharing Full Desktop Sharing 2-Way Control ✓ ✓ ✓ ✓ ✓ ✓ X X Pause for Rant Tuesday, February 19, 13

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The Tech: “Screen” Sharing tmux – shared ssh sessions Tuesday, February 19, 13

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http://mosh.mit.edu Tuesday, February 19, 13

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The Tech: “Screen” Sharing tmux – shared ssh sessions • Fast! Especially with mosh • Good for Vim, Emacs editors • Popular in Ruby, Scala communities • Best for low bandwidth connections • Addictive usage model Tuesday, February 19, 13

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The Tech: “Screen” Sharing tmux cont… • Requires ssh access, possibly VPN • Learning curve using tmux commands • Desktop screen sharing for some activities • Not for IDEs - iOS, Java, .NET Tuesday, February 19, 13

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The Tech: “Screen” Sharing tmux – shared ssh sessions Pause for Rant Tuesday, February 19, 13

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The Tech Video Conferencing Tuesday, February 19, 13

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Video Conferencing The Tech Tuesday, February 19, 13

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http://www.newscientist.com http://internetdebris.blogspot.com/ OMG ROBOTS!!!!!! Tuesday, February 19, 13

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http://www.newscientist.com http://internetdebris.blogspot.com/ ??? OMG ROBOTS????? Tuesday, February 19, 13

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Long Term Remote Pairing Tuesday, February 19, 13

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Works best with dedicated RPP stations and dedicated AV laptops/iPad Long Term Remote Pairing Tuesday, February 19, 13

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Thank You! Joe Moore Pivotal Labs @joem [email protected] Tuesday, February 19, 13