Macros Scope Interpolation Macro calls Modules and classes Conditionals Iteration Variadic arguments and splatting Type information The top level module Method information...
Optimistic Transactions and Pessimistic Transactions Pessimistic transactions Write a pessimistic transaction example An example that does not involve overselling An example that...
Storing data Storing data Let’s begin by populating the database with some people. We will use thesave() and create() methods to add and updatepeople’s records. from date...
Introduction Functions Function Types Typing the function Writing the function type Inferring the types Optional and Default Parameters Rest Parameters this this and arrow ...