> operator Implementing simulation with monads Additional PyMonad features Summary Chapter 15: A Functional Approach to Web Services The HTTP request-response model Injecting state through cookies Considering a server with a functional design Looking more deeply into the functional view Nesting the services The WSGI standard Throwing exceptions during WSGI processing Pragmatic WSGI applications Defining web services as functions Creating the WSGI application Getting raw data Applying a filter Serializing the results Serializing data into JSON or CSV formats Serializing data into XML Serializing data into HTML Tracking usage Summary Chapter 16: Optimizations and Improvements Memoization and caching Specializing memoization Tail recursion optimizations Optimizing storage Optimizing accuracy Reducing accuracy based on audience requirements Case study-making a chi-squared decision Filtering and reducing the raw data with a Counter object Reading summarized data Computing sums with a Counter object Computing probabilities from Counter objects Computing expected values and displaying a contingency table Computing the chi-squared value Computing the chi-squared threshold Computing the incomplete gamma function Computing the complete gamma function Computing the odds of a distribution being random Functional programming design patterns Summary Other Books You May Enjoy Index