The 156th issue of the Polymathic Engineer is out. This time, we discuss what happens when you compute with floats: - Adding floats - Multiplying floats - Comparing floats Free to read here: newsletter.francofernando.co…

The 195th issue of the Polymathic Engineer is out. This week, we discuss how floating-point works: - Why the point has to float - Fractions in binary - The IEEE 754 layout - Normalized, denormalized, and special values - Rounding Read it here: newsletter.francofernando.co…

The 194th issue of the Polymathic Engineer is out. This week, we discuss how to build a cache: - The API contract - Memory alone is not enough - Building an LRU cache - When fresher data isn’t better: the LFU cache - Implementation Read it here: newsletter.francofernando.co…

The 193rd issue of the Polymathic Engineer is out. This is the last article on API design: - What RPC really is - North-south vs. east-west traffic - gRPC and Protobuf - When performance tips the scale - Where GraphQL fits - Can one service offer both? newsletter.francofernando.co…

This week in the 192nd issue of the Polymathic Engineer, we keep talking about APIs: - Why a shared spec matters - Generating code from the spec - Validating live traffic - Examples and mocking - Versioning - Catching breaking changes link: newsletter.francofernando.co…

The 191st issue of the Polymathic Engineer newsletter is out. This weeks's article is about: - API design and coupling - What makes an API RESTful - The Richardson Maturity Model - Adopting an API standard - Designing collections - Error handling Link: newsletter.francofernando.co…

The 190th issue of the Polymathic Engineer is out. This week we keep discussing latency: - Sources of latency - How latency compounds - Measuring without lying to yourself - Hands-on: measure your own network’s tail Read it here: newsletter.francofernando.co…

The 189th issue of the Polymathic Engineer is out. This week's article is about latency: - What latency is - Units and the limits of physics - Why latency matters - The laws of latency - Latency is a distribution Read it here: newsletter.francofernando.co…

The 188th issue of the Polymathic Engineer is out. This time, we discuss exception handling: - A map of exceptions - How wide should catch be? - Designing failures into your API - Anti-patterns - Cleaning up - 3rd-party code - When failures go async newsletter.francofernando.co…

The 187th issue of the Polymathic engineer is out. This time, we dig into logistic regression: - From the Step Function to the Sigmoid - Probabilities - The Log Loss - Comparing classifiers - The Logistic Trick - The Algorithm - Softmax link: newsletter.francofernando.co…