Four algorithms that have been working for decades without a single neural network. The toolbox Chapter 5 laid out the three schools of machine learning, supervised, unsupervised and reinforcement. Those were three ways of framing a problem, not three ways of solving one. This chapter goes down a floor into the engine room, the classic […]
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Go interfaces are the piece that upgrades the language from “cute little language” to “language Kubernetes and Docker are written in”. And they work backwards from what you expect if you come from Java. Implicit implementation: no implements A Go interface is a set of method signatures. Here’s the twist, a type implements it automatically […]
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Go has no classes, no inheritance either, and yet massive systems are written in it. The trick, Go structs for data, methods for behavior, composition for reuse. Step by step. Structs: data, period A struct is a collection of named fields (A Tour of Go, structs): Juicy detail: visibility in Go goes by capitalization. A […]
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Go functions look like any language’s functions until they return two things at once and nothing weird happens. Today: syntax, multiple returns, variadics, closures and defer, your open resources’ best friend. Syntax: the type goes after The type after the name feels odd for ten minutes, then reads better, especially in complex signatures. The official […]
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