# dragonwasrobot

*“There are different rules for reading,*

*for thinking, and for talking.*

*Writing blends all three of them.”*

– **Mason Cooley**

### Making builds reliable and reproducible

In this post, we present how to significantly improve the reliability and reproducibility of software builds.### Sum types in Kotlin, Elixir, and Elm

In this post, we define the concept of sum types with examples in Elm, Elixir, and Kotlin.### Product types in Kotlin, Elixir, and Elm

In this post, we define the concept of product types with examples in Kotlin, Elixir, and Elm.### Enum types in Kotlin, Elixir, and Elm

In this post, we define the concept of enum types with examples in Kotlin, Elixir, and Elm.### Idealized versions of Moessner's theorem and Long's theorem

In this post, we present idealized versions of Moessner's theorem and Long's theorem.### A grid of Moessner triangles

In this post, we introduce a new combinatorial property of Moessner triangles.### Deriving Moessner's sieve from Horner's method

In this post, we derive Moessner's sieve from Horner's method.### Obtaining Taylor Polynomials with Horner's method

In this post, we calculate Taylor Polynomials with Horner's method.### A characteristic function of Moessner's sieve

In this post, we introduce a characteristic function of Moessner's sieve.### A dual to Moessner's sieve

In this post, we introduce a dual to Moessner's sieve.### An introduction to Moessner's theorem and Moessner's sieve

In this post, we introduce Moessner's theorem and Moessner's sieve.### Rotating Pascal's triangle and the binomial coefficient

In this post, we introduce the rotated versions of Pascal's triangle and the binomial coefficient.### An introduction to Pascal's triangle and the binomial coefficient

In this post, we introduce Pascal's triangle and the binomial coefficient.### Equivalence of interpretation and compilation followed by execution

In this post, we prove equivalence between interpretation and compilation of code.### An interpreter, a compiler, and a virtual machine

In this post, we implement an interpreter, a compiler, and a virtual machine.### An introduction to Horner's method

In this post, we introduce Horner's method for polynomial evaluation and polynomial division.### A primer on the Coq Proof Assistant

In this post, we give a short primer on interactive theorem proving in the Coq Proof Assistant.

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