12 Things Every Programmer Should Know

12 Things Every Programmer Should Know

• 1.
  12 Things EveryProgrammer Should Know by Samnang Chhun Barcamppp 2010
• 2.
  About Me • samnang.chhun@gmail.com • @samnangchhun • http://wowkhmer.com • Ruby and Rails Developer • .NET Developer (MCTS) • Yoolk Inc. • Share Vision Team Core Member
• 3.
  1 Be Passionate • Love what you are doing • Be creative • Want to do it best • Better than yesterday “Programmers are a subset of creators have the responsibility to shape the new world”, @steveklabnik and @judofyr
• 4.
  2 Love Your Codes • Write codes for human, but bad programmers write codes for machine • Every programmer loves to work with Clean Code
• 5.
  3 Version Control • Backup your codes • Tracking changes (who, what, when) • Work in parallel • Commit often • Never commit when your build fail
• 6.
  4 Read Codes • Before you become a good writer, you have to be a good reader • Day and day programmers working hours: 70% reading and 30% writing • Take notes on ideas or tricks of the author
• 7.
  5 Practice, Practice, Practice • Small exercises, isolated problems • Practice on outside company projects • Do your best as you can(no pressure) • Practice to become a master • CodeKata, Pair with Me, Fixing bugs in an OSS that you are using
• 8.
  6 Refactoring • Improve quality of your codes, without changing system behavior • Make it easy to understand, maintain, and extend • “Always check a module in cleaner than when you checked it out”, Uncle Bob • Intension-Revealing Names, Small Method, Compose Method, …
• 9.
  7 Follow Patterns andBest Practices • Object Oriented Design Principles • SOLID • GRASP • DRY • KISS • Don’t Tell Us • Design Patterns
• 10.
  8 TDD/BDD • Tests are specifications what the system does • Tests are your first user • Short development iteration • Is a design process • Write just enough codes to pass the tests
• 11.
  9 Automation • Make your manual tasks are automatable • Command line are your friend • Make a shortcut of your repeated tasks • Continuous Integration • Automation Deployment
• 12.
  Understand 10 Your Domain • Domain-specific won’t be outdate soon, but technologies will • “You can’t creatively help a business until you know how it works.” Chad Fowler
• 13.
  Continuous 11 Learning • You need to keep learning to stay marketable • “Be the worst,” Chad Fowler • Read books, blogs, Twitters feeds, and websites • Listen to podcasts • Sharpening your tools
• 14.
  Participate in 12 Communities • A good way to learn something is to teach or speak about it • Join or start a study group or a local user group for a language, technology, or discipline you are interested in. • Contribute to OSS
• 15.
  +1 What I have leanred • Be Prepared To Unlearn • Validate assumptions about your skillset • Do less reading about what others are doing, and more doing of things that others may want to read about • Good Artists Copy, Great Artists Steal
• 16.
  References
• 17.
  Q&A