Not So Random Software #13 – Observability

Welcome back to Not So Random Software. This week’s links are dedicated to Observability; the capability to observe the system’s current state and how the system reached such a state. I have been researching this topic for a lightning talk at the London Ruby User Group and here are some of the links I found. […]

To raise or not to raise exceptions, and the art of designing return values

Each time we call a function that’s meant to perform some operation that could succeed or fail we are always left with the same dilemma. What should be the return value? Should I return nil if a failure happened? Or I should throw an exception? What does failure means anyway? Like every interesting question, the answer is […]