Mar 15 2011

Episode 112: Programming Rules of Thumb Part 3


Laws and more rules of thumb to make your projects SOLID!

News and Follow/Ups – 01:00

  • Feels like spring kinda, excited for backpacking
  • Square works great
  • SXSW

Geek Tools – 09:20

Webapps – 11:27

Programming Rules of Thumb Part 3 – 18:18

  • Metcalfe’s Law
    • The value of a network is the square of the number of participants
    • Twitter/Facebook/Ebay
  • Murphy’s Law
    • Anything that can go wrong, will go wrong
  • Brooks’s law
  • Parkinson’s law
    • Work expands so as to fill the time available for its completion.
    • Stands for five basic patterns of object-oriented programming and design
      • Single responsibility principle – An object should have only a single responsibility.
      • Open/closed principle – Software entities … should be open for extension, but closed for modification
      • Liskov substitution principle – objects in a program should be replaceable with instances of their subtypes without altering the correctness of that program
      • Interface segregation principle – many client specific interfaces are better than one general purpose interface
      • Dependency inversion principle – one should “Depend upon Abstractions. Do not depend upon concretions
  • GEFN
    • Good enough for now
  • Worse is better
  • MVP
    • Minimum Viable Product