Geo’s Notepad

May 2025

• A Tale of Testability and Sending Non-Send Types in Rust (2025-05-24) design-patterns generics rust testing

March 2025

• Solving Variable Projection with QR Decomposition (2025-03-16) algorithm least-squares varpro

November 2024

• Cursed Linear Types In Rust (2024-11-27) generics metaprogramming rust

October 2024

• Rethinking Builders… with Lazy Generics (2024-10-11) design-patterns generics metaprogramming rust

September 2024

• The Covariance Matrix for Variable Projection with Multiple Right Hand Sides (2024-09-30) algorithm least-squares varpro

July 2024

• Nonlinear Least Squares Fitting - A Bayesian Tutorial (2024-07-18) algorithm bayesian least-squares math
• Using Address Sanitizer for a C or C++ Library Linked to a Rust Executable (2024-07-12) c c++ rust sanitizers

June 2024

• Coding Wherever: My Fully-Featured Travel Dev Setup from Sea Level to 40,000 feet (2024-06-10) android helix ide tools

January 2024

• Global Fitting of Multiple Right Hand Sides with Variable Projection (2024-01-10) algorithm image-processing least-squares math varpro

December 2023

• Variable Projection Update (2023-12-17) algorithm image-processing least-squares math varpro

November 2023

• Idiomatic Rust (for C++ Devs): Constructors & Conversions (2023-11-25) c++ patterns rust

September 2023

• Curiously Cumbersome Rust: Type-level Programming (2023-09-01) const rust traits unstable

July 2023

• Learn Unsafe Rust From My Mistakes (2023-07-24) rust unsafe

March 2023

• Rust Deep Dive: Borked Vtables and Barking Cats (2023-03-15) pointers rust trait vtable
• Now With RSS/Atom Feed (2023-03-02) update

December 2022

• Rust vs Common C++ Bugs (2022-12-21) bugs c++ errors rust safety

October 2022

• Implementing Rayon’s Parallel Iterators - A Tutorial (2022-10-30) concurrency multi-threading parallel rayon rust

August 2022

• Compile-Time If-Expressions for Types in C++11 (2022-08-20) c++11 functional-programming template-metaprogramming

July 2022

• Debugging A Stack Overflow In Rust (2022-07-25) debug rust stackoverflow

March 2022

• External Post: Raspberry Pi GPIO with Zig (2022-03-21) embedded raspberry-pi zig

October 2021

• Now with Light and Dark Mode (2021-10-23) update
• C++ Metaprogramming: Safer Reading from Buffers (2021-10-08) c++ c++17 template-metaprogramming

July 2021

• Mutually Exclusive Traits in Rust (2021-07-31) rust

May 2021

• Project Spotlight: varpro - Nonlinear Fitting with A Simple Interface (2021-05-27) rust varpro

February 2021

• C++: A Common Interface for Functions Taking Different Numbers of Arguments (2021-02-25) c++ c++17 generic-programming rust template-metaprogramming
• Rust: A Common Interface for Functions Taking Different Numbers of Arguments (2021-02-15) generic-programming rust template-metaprogramming

January 2021

• Understanding the DFT: Spectral Leakage, Windowing, and Periodicity (2021-01-17) fourier-transform image-processing

December 2020

• Back to Basics: The (Discrete) Fourier Transform (2020-12-30) fourier-transform image-processing
• Rust-style mutexes for C++ (2020-12-01) c++17 c++20 concurrency rust
• Mutexes in Rust and C++: Protecting Data versus Protecting Code (2020-12-01) c++17 c++20 concurrency rust

September 2020

• A Compile Time Implementation of FizzBuzz using Template Metaprogramming in C++17 (2020-09-15) c++17 coding-kata template-metaprogramming variadic-templates

August 2020

• How Do I cout my tuple in C++17 ? (2020-08-18) c++17 template-metaprogramming variadic-templates

July 2020

• Replacing the Ternary Operator with Rust-style If Expressions in C++11 - Part 2 (2020-07-24) c++11 c++17 constexpr if-expression rust
• Replacing the Ternary Operator with Rust-style If Expressions in C++11 - Part 1 (2020-07-06) c++11 c++17 constexpr if-expression rust

June 2020

• Implementing a Pipe Syntax for std::optional - Part 3: Indended Side Effects and Unintended Limitations (2020-06-07) c++ c++17 functional-programming null-conditional sfinae template-metaprogramming

May 2020

• The Variable Projection Method - Nonlinear Least Squares Fitting with VarPro (Update 12/2023) (2020-05-24) algorithm image-processing least-squares math varpro
• Implementing a Pipe Syntax for std::optional - Part 2: Applied Template Metaprogramming (2020-05-18) c++ c++17 functional-programming null-conditional sfinae template-metaprogramming
• Implementing a Pipe Syntax for std::optional - Part 1: Fundamentals (2020-05-17) c++ c++17 functional-programming null-conditional template-metaprogramming
• Estimating the Mean from Poisson Distributed Count Data (2020-05-16) bayesian-probability-theory math
• Bayesian Analysis of a Game for Children - Part 2: The Results And The Twist (2020-05-15) bayesian-probability-theorie games math

April 2020

• Binomial Distribution: Credible Intervals under Normal Approximation (2020-04-20) bayesian-probability-theorie games math

March 2020

• Immutability in C++ (2/2): Immutability through Interfaces (2020-03-31) c++11 functional-programming immutability
• Immutability in C++ (1/2): Immutable Members (2020-03-10) c++11 functional-programming immutability

February 2020

• Bayesian Interlude - Calculating P(X>Y) (2020-02-19) bayesian-probability-theory math
• Now with Comments (2020-02-16) update
• Bayesian Analysis of a Game for Children - Part 1: Fundamentals (2020-02-08) bayesian-probability-theory games math

January 2020

• A null-conditional chaining operator for std::optional inspired by C# (2020-01-23) c++ functional-programming null-conditional template-metaprogramming
• constexpr Functions in C++: Fundamentals and Application to Hashing (2020-01-14) c++11 c++17 constexpr functional-programming
• Welcome (2020-01-07) update