Categories

• guide 86
• software 63
• golang 22
• python 20
• cpp 12
• mathematics 9
• electronics 7
• blog 6
• engineering 5
• openai 5
• rust 4
• rpi 4
• opencv 4
• cmake 3
• octave 3
• dart 3
• ros 2
• docker 2
• protobuf 2
• flutter 2
• gstreamer 1

guide

OpenCV Training

1 minute read

Training an OpenCV Face Recognition Model

OpenCV Face Detection

less than 1 minute read

Face detection with OpenCV

OpenCV Processing

2 minute read

Image processing with OpenCV in python

OpenCV Basics

2 minute read

Basic operations in OpenCV with Python

Go Functional Options Pattern

less than 1 minute read

Instantiating structs with the options pattern.

Convert Video To Gif

less than 1 minute read

Easy trick to convert videos to gif

OpenAI - Image

1 minute read

Using OpenAI’s API to generate images

OpenAI - Chat

4 minute read

Using the API which drives ChatGPT

OpenAI - Moderation

1 minute read

Moderating text input with OpenAI’s API

OpenAI - Voice

1 minute read

Speech-to-text transcription and translation using OpenAI’s API

OpenAI - Completion

2 minute read

Text completion using OpenAI’s API

Docker Multiarch

1 minute read

Using dockerx to build and run containers for different architectures

Go Fuzz Testing

1 minute read

Use Go’s inbuilt fuzz testing tools.

Go SWIG for C++

4 minute read

Compile C++ code with Go

Creating debian packages

2 minute read

How to build packages for debian based systems

Go Cgo for C code

2 minute read

Combining the dark arts of C with golang

Go Conditional Compilation

1 minute read

Using different source code for different machines.

K8s Kubectl

less than 1 minute read

Kubernetes commands

Go Docs

1 minute read

Writing and publishing go docs on pkg.go.dev

Go Generics

5 minute read

Generics Overview for Golang

Go Concurrent Test Patterns

4 minute read

Concurrent testing in go

Flutter Testing

2 minute read

Test Cheatsheet for Flutter

Flutter State Management

2 minute read

State patterns in Flutter

Go Basic Test Patterns

2 minute read

Practical testing in go

Dart cheatsheet

3 minute read

Cheatsheet for dart

Kalman Filter

2 minute read

Basics of Kalman Filter

Python gRPC

3 minute read

Basic gRPC using Python

Go gRPC

6 minute read

Basic gRPC using Go

Protobuf Python

less than 1 minute read

Simple encoding/decoding in Python

Protobuf Golang

less than 1 minute read

Simple encoding/decoding in Golang

Protobuf Basics

1 minute read

Basics for creating and using protobuffers

GStreamer RaspberryPi Streaming

1 minute read

Streaming from a Raspberry Pi

GStreamer Setup

less than 1 minute read

Install and Run GStreamer on Debian Distros

Raspberry Pi C++ IO

3 minute read

Controlling Raspberry Pi IO with C++

Raspberry Pi Python IO

2 minute read

Controlling Raspberry Pi IO with Python

Raspberry Pi Camera

1 minute read

Setting Up the PiCam on Raspberry Pi

Using GoMock

less than 1 minute read

Mocking interfaces in GoLang

ROS CLI cheatsheet

2 minute read

A bunch of CLI commands for ROS

Docker CLI Cheatsheet

less than 1 minute read

Common docker cli commands

Software Patterns

5 minute read

Reference for component cohesion and coupling principles

Shell commands

1 minute read

A bunch of shell commands I find useful

GDB Cheatsheet

1 minute read

Command cheatsheet for gdb.

Rust Testing

1 minute read

Cheatsheet for Rust testing syntax

Component Principles

1 minute read

Reference for component cohesion and coupling principles

SOLID, ETC and DRY

1 minute read

Reference for common software principles.

Rust Basics

3 minute read

Lists, Slices, Arrays, Strings, Loops, and Iterators

Refactoring Notes

6 minute read

Reference from reading Martin Fowler’s Refactoring book

Screen cheatsheet

less than 1 minute read

Simple screen command reference

Context in Go

1 minute read

Managing Go routines using the Context package

Regex Cheatsheet

2 minute read

Regex reference with Python/Cpp examples

Sequence Diagrams

less than 1 minute read

Sequence Diagram Reference

Profiling in Go

1 minute read

Profiling code in Golang

MX1508 Quickstart

less than 1 minute read

How to use the MX1508

Python Serial Tools

less than 1 minute read

Useful terminal-based serial tool

C++ Template Patterns

2 minute read

C++ templates and generics

Go Unit Testing

1 minute read

Testing basics in go

Arduino Cheatsheet

1 minute read

Basic arduino cheatsheet

Go cheatsheet

2 minute read

Cheatsheet for golang

ROS2 CLI cheatsheet

2 minute read

A bunch of CLI commands for ROS2

C++ Constructor Patterns

1 minute read

Simple C++ constructor patterns

C++ Lambda

1 minute read

Simple C++ lambda examples

Python Lambda

less than 1 minute read

Simple Lambda examples

GIT Cheatsheet

2 minute read

Useful git commands

Altium Standards

5 minute read

Hoani’s Altium Standards

Octave/Matlab Control

4 minute read

Octave/Matlab control tools cheatsheet

Python Argparse

1 minute read

CLI argparse cheatsheet

Pendulum on cart derivation

5 minute read

Useing Lagrange’s equations

Lagrange’s Equations

2 minute read

Determine a system of equations from Kinetic and Potential energy

Math cheatsheet

less than 1 minute read

Useful formula

Octave Cheatsheet

1 minute read

Doing useful stuff in Octave

Eigen Values, Eigen Vectors

1 minute read

Some notes on eigen values/vectors

Python ODE Solver

less than 1 minute read

Simple ODE Solver Examples

UML Class Diagrams

less than 1 minute read

Cheatsheet for UML Class Diagrams

Matplotlib Cheatsheet

4 minute read

A bunch of example scripts to get matplotlib plotting stuff

Python Decorators

1 minute read

Using decorators in python

Quaternion Rotation Math

1 minute read

Useful mathematics for quaternion based rotations

Understanding Quaternion Rotations

1 minute read

How quaternions work

CMake Modulation

less than 1 minute read

Working with static libraries

CMake Useful Links

less than 1 minute read

Reference, Guides and Tutorials

CMake Basics

1 minute read

Writing CMakeLists.txt for C++

C++ Classes

less than 1 minute read

Inheritance, Virtual Functions, Interfaces and more

C++ Const

less than 1 minute read

Using const with pointers and classes

C++ Vector

less than 1 minute read

Basics for using C++ vectors

C++ Maps

less than 1 minute read

Basics for using the C++ key-value pair map objects

Rust Generics

less than 1 minute read

Using Generics in Rust

Rust Lifetime

1 minute read

Using Lifetimes in Rust

Back to Top ↑

software

Go Functional Options Pattern

less than 1 minute read

Instantiating structs with the options pattern.

Convert Video To Gif

less than 1 minute read

Easy trick to convert videos to gif

OpenAI - Image

1 minute read

Using OpenAI’s API to generate images

OpenAI - Chat

4 minute read

Using the API which drives ChatGPT

OpenAI - Moderation

1 minute read

Moderating text input with OpenAI’s API

OpenAI - Voice

1 minute read

Speech-to-text transcription and translation using OpenAI’s API

OpenAI - Completion

2 minute read

Text completion using OpenAI’s API

Docker Multiarch

1 minute read

Using dockerx to build and run containers for different architectures

Go Fuzz Testing

1 minute read

Use Go’s inbuilt fuzz testing tools.

Go SWIG for C++

4 minute read

Compile C++ code with Go

Creating debian packages

2 minute read

How to build packages for debian based systems

Go Cgo for C code

2 minute read

Combining the dark arts of C with golang

Go Conditional Compilation

1 minute read

Using different source code for different machines.

K8s Kubectl

less than 1 minute read

Kubernetes commands

Go Docs

1 minute read

Writing and publishing go docs on pkg.go.dev

Go Generics

5 minute read

Generics Overview for Golang

Go Concurrent Test Patterns

4 minute read

Concurrent testing in go

Flutter Testing

2 minute read

Test Cheatsheet for Flutter

Flutter State Management

2 minute read

State patterns in Flutter

Go Basic Test Patterns

2 minute read

Practical testing in go

Dart cheatsheet

3 minute read

Cheatsheet for dart

Go gRPC

6 minute read

Basic gRPC using Go

Protobuf Golang

less than 1 minute read

Simple encoding/decoding in Golang

Protobuf Basics

1 minute read

Basics for creating and using protobuffers

GStreamer RaspberryPi Streaming

1 minute read

Streaming from a Raspberry Pi

GStreamer Setup

less than 1 minute read

Install and Run GStreamer on Debian Distros

Raspberry Pi C++ IO

3 minute read

Controlling Raspberry Pi IO with C++

Raspberry Pi Python IO

2 minute read

Controlling Raspberry Pi IO with Python

Raspberry Pi Camera

1 minute read

Setting Up the PiCam on Raspberry Pi

Using GoMock

less than 1 minute read

Mocking interfaces in GoLang

ROS CLI cheatsheet

2 minute read

A bunch of CLI commands for ROS

Docker CLI Cheatsheet

less than 1 minute read

Common docker cli commands

Software Patterns

5 minute read

Reference for component cohesion and coupling principles

Shell commands

1 minute read

A bunch of shell commands I find useful

GDB Cheatsheet

1 minute read

Command cheatsheet for gdb.

Rust Testing

1 minute read

Cheatsheet for Rust testing syntax

Component Principles

1 minute read

Reference for component cohesion and coupling principles

SOLID, ETC and DRY

1 minute read

Reference for common software principles.

Rust Basics

3 minute read

Lists, Slices, Arrays, Strings, Loops, and Iterators

Refactoring Notes

6 minute read

Reference from reading Martin Fowler’s Refactoring book

Screen cheatsheet

less than 1 minute read

Simple screen command reference

Context in Go

1 minute read

Managing Go routines using the Context package

Regex Cheatsheet

2 minute read

Regex reference with Python/Cpp examples

Sequence Diagrams

less than 1 minute read

Sequence Diagram Reference

Profiling in Go

1 minute read

Profiling code in Golang

C++ Template Patterns

2 minute read

C++ templates and generics

Go Unit Testing

1 minute read

Testing basics in go

Go cheatsheet

2 minute read

Cheatsheet for golang

ROS2 CLI cheatsheet

2 minute read

A bunch of CLI commands for ROS2

C++ Constructor Patterns

1 minute read

Simple C++ constructor patterns

C++ Lambda

1 minute read

Simple C++ lambda examples

GIT Cheatsheet

2 minute read

Useful git commands

UML Class Diagrams

less than 1 minute read

Cheatsheet for UML Class Diagrams

Matplotlib Cheatsheet

4 minute read

A bunch of example scripts to get matplotlib plotting stuff

CMake Modulation

less than 1 minute read

Working with static libraries

CMake Useful Links

less than 1 minute read

Reference, Guides and Tutorials

CMake Basics

1 minute read

Writing CMakeLists.txt for C++

C++ Classes

less than 1 minute read

Inheritance, Virtual Functions, Interfaces and more

C++ Const

less than 1 minute read

Using const with pointers and classes

C++ Vector

less than 1 minute read

Basics for using C++ vectors

C++ Maps

less than 1 minute read

Basics for using the C++ key-value pair map objects

Rust Generics

less than 1 minute read

Using Generics in Rust

Rust Lifetime

1 minute read

Using Lifetimes in Rust

Back to Top ↑

golang

Go Functional Options Pattern

less than 1 minute read

Instantiating structs with the options pattern.

OpenAI - Image

1 minute read

Using OpenAI’s API to generate images

OpenAI - Chat

4 minute read

Using the API which drives ChatGPT

OpenAI - Moderation

1 minute read

Moderating text input with OpenAI’s API

OpenAI - Voice

1 minute read

Speech-to-text transcription and translation using OpenAI’s API

OpenAI - Completion

2 minute read

Text completion using OpenAI’s API

Go Fuzz Testing

1 minute read

Use Go’s inbuilt fuzz testing tools.

Go SWIG for C++

4 minute read

Compile C++ code with Go

Go Cgo for C code

2 minute read

Combining the dark arts of C with golang

Go Conditional Compilation

1 minute read

Using different source code for different machines.

Go Docs

1 minute read

Writing and publishing go docs on pkg.go.dev

Go Generics

5 minute read

Generics Overview for Golang

Go Concurrent Test Patterns

4 minute read

Concurrent testing in go

Go Basic Test Patterns

2 minute read

Practical testing in go

Go gRPC

6 minute read

Basic gRPC using Go

Protobuf Golang

less than 1 minute read

Simple encoding/decoding in Golang

Protobuf Basics

1 minute read

Basics for creating and using protobuffers

Using GoMock

less than 1 minute read

Mocking interfaces in GoLang

Context in Go

1 minute read

Managing Go routines using the Context package

Profiling in Go

1 minute read

Profiling code in Golang

Go Unit Testing

1 minute read

Testing basics in go

Go cheatsheet

2 minute read

Cheatsheet for golang

Back to Top ↑

python

OpenCV Training

1 minute read

Training an OpenCV Face Recognition Model

OpenCV Face Detection

less than 1 minute read

Face detection with OpenCV

OpenCV Processing

2 minute read

Image processing with OpenCV in python

OpenCV Basics

2 minute read

Basic operations in OpenCV with Python

OpenAI - Image

1 minute read

Using OpenAI’s API to generate images

OpenAI - Chat

4 minute read

Using the API which drives ChatGPT

OpenAI - Moderation

1 minute read

Moderating text input with OpenAI’s API

OpenAI - Voice

1 minute read

Speech-to-text transcription and translation using OpenAI’s API

OpenAI - Completion

2 minute read

Text completion using OpenAI’s API

Python gRPC

3 minute read

Basic gRPC using Python

Protobuf Python

less than 1 minute read

Simple encoding/decoding in Python

Raspberry Pi Python IO

2 minute read

Controlling Raspberry Pi IO with Python

Raspberry Pi Camera

1 minute read

Setting Up the PiCam on Raspberry Pi

Regex Cheatsheet

2 minute read

Regex reference with Python/Cpp examples

Python Serial Tools

less than 1 minute read

Useful terminal-based serial tool

Python Lambda

less than 1 minute read

Simple Lambda examples

Python Argparse

1 minute read

CLI argparse cheatsheet

Python ODE Solver

less than 1 minute read

Simple ODE Solver Examples

Matplotlib Cheatsheet

4 minute read

A bunch of example scripts to get matplotlib plotting stuff

Python Decorators

1 minute read

Using decorators in python

Back to Top ↑

cpp

Raspberry Pi C++ IO

3 minute read

Controlling Raspberry Pi IO with C++

Regex Cheatsheet

2 minute read

Regex reference with Python/Cpp examples

C++ Template Patterns

2 minute read

C++ templates and generics

C++ Constructor Patterns

1 minute read

Simple C++ constructor patterns

C++ Lambda

1 minute read

Simple C++ lambda examples

CMake Modulation

less than 1 minute read

Working with static libraries

CMake Useful Links

less than 1 minute read

Reference, Guides and Tutorials

CMake Basics

1 minute read

Writing CMakeLists.txt for C++

C++ Classes

less than 1 minute read

Inheritance, Virtual Functions, Interfaces and more

C++ Const

less than 1 minute read

Using const with pointers and classes

C++ Vector

less than 1 minute read

Basics for using C++ vectors

C++ Maps

less than 1 minute read

Basics for using the C++ key-value pair map objects

Back to Top ↑

mathematics

Kalman Filter

2 minute read

Basics of Kalman Filter

Octave/Matlab Control

4 minute read

Octave/Matlab control tools cheatsheet

Pendulum on cart derivation

5 minute read

Useing Lagrange’s equations

Lagrange’s Equations

2 minute read

Determine a system of equations from Kinetic and Potential energy

Math cheatsheet

less than 1 minute read

Useful formula

Octave Cheatsheet

1 minute read

Doing useful stuff in Octave

Eigen Values, Eigen Vectors

1 minute read

Some notes on eigen values/vectors

Quaternion Rotation Math

1 minute read

Useful mathematics for quaternion based rotations

Understanding Quaternion Rotations

1 minute read

How quaternions work

Back to Top ↑

electronics

Raspberry Pi C++ IO

3 minute read

Controlling Raspberry Pi IO with C++

Raspberry Pi Python IO

2 minute read

Controlling Raspberry Pi IO with Python

Raspberry Pi Camera

1 minute read

Setting Up the PiCam on Raspberry Pi

MX1508 Quickstart

less than 1 minute read

How to use the MX1508

Python Serial Tools

less than 1 minute read

Useful terminal-based serial tool

Arduino Cheatsheet

1 minute read

Basic arduino cheatsheet

Altium Standards

5 minute read

Hoani’s Altium Standards

Back to Top ↑

blog

ChatBox - OpenAI driven speaker

3 minute read

ChatGPT in a speaker

Pendulum Robot - First Control Test

1 minute read

Wouldn’t it be cool to have robot pet? I thought so too.

Rostock Max V2 Build

3 minute read

My Wife and I Built a 3D Printer Kit Together

Crystal Oscillator Design

7 minute read

How to design a crystal oscillator for your microcontroller.

A Masters in Rocket Engineering

1 minute read

A brief summary of my Masters thesis work in rocketry control.

Robocat Quadcopter Build

3 minute read

An early quacdcopter build

Back to Top ↑

engineering

OpenAI - Image

1 minute read

Using OpenAI’s API to generate images

OpenAI - Chat

4 minute read

Using the API which drives ChatGPT

OpenAI - Moderation

1 minute read

Moderating text input with OpenAI’s API

OpenAI - Voice

1 minute read

Speech-to-text transcription and translation using OpenAI’s API

OpenAI - Completion

2 minute read

Text completion using OpenAI’s API

Back to Top ↑

openai

OpenAI - Image

1 minute read

Using OpenAI’s API to generate images

OpenAI - Chat

4 minute read

Using the API which drives ChatGPT

OpenAI - Moderation

1 minute read

Moderating text input with OpenAI’s API

OpenAI - Voice

1 minute read

Speech-to-text transcription and translation using OpenAI’s API

OpenAI - Completion

2 minute read

Text completion using OpenAI’s API

Back to Top ↑

rust

Rust Testing

1 minute read

Cheatsheet for Rust testing syntax

Rust Basics

3 minute read

Lists, Slices, Arrays, Strings, Loops, and Iterators

Rust Generics

less than 1 minute read

Using Generics in Rust

Rust Lifetime

1 minute read

Using Lifetimes in Rust

Back to Top ↑

rpi

GStreamer RaspberryPi Streaming

1 minute read

Streaming from a Raspberry Pi

Raspberry Pi C++ IO

3 minute read

Controlling Raspberry Pi IO with C++

Raspberry Pi Python IO

2 minute read

Controlling Raspberry Pi IO with Python

Raspberry Pi Camera

1 minute read

Setting Up the PiCam on Raspberry Pi

Back to Top ↑

opencv

OpenCV Training

1 minute read

Training an OpenCV Face Recognition Model

OpenCV Face Detection

less than 1 minute read

Face detection with OpenCV

OpenCV Processing

2 minute read

Image processing with OpenCV in python

OpenCV Basics

2 minute read

Basic operations in OpenCV with Python

Back to Top ↑

cmake

CMake Modulation

less than 1 minute read

Working with static libraries

CMake Useful Links

less than 1 minute read

Reference, Guides and Tutorials

CMake Basics

1 minute read

Writing CMakeLists.txt for C++

Back to Top ↑

octave

Octave/Matlab Control

4 minute read

Octave/Matlab control tools cheatsheet

Octave Cheatsheet

1 minute read

Doing useful stuff in Octave

Eigen Values, Eigen Vectors

1 minute read

Some notes on eigen values/vectors

Back to Top ↑

dart

Flutter Testing

2 minute read

Test Cheatsheet for Flutter

Flutter State Management

2 minute read

State patterns in Flutter

Dart cheatsheet

3 minute read

Cheatsheet for dart

Back to Top ↑

ros

ROS CLI cheatsheet

2 minute read

A bunch of CLI commands for ROS

ROS2 CLI cheatsheet

2 minute read

A bunch of CLI commands for ROS2

Back to Top ↑

docker

Docker Multiarch

1 minute read

Using dockerx to build and run containers for different architectures

Docker CLI Cheatsheet

less than 1 minute read

Common docker cli commands

Back to Top ↑

protobuf

Go gRPC

6 minute read

Basic gRPC using Go

Protobuf Basics

1 minute read

Basics for creating and using protobuffers

Back to Top ↑

flutter

Flutter Testing

2 minute read

Test Cheatsheet for Flutter

Flutter State Management

2 minute read

State patterns in Flutter

Back to Top ↑

gstreamer

GStreamer Setup

less than 1 minute read

Install and Run GStreamer on Debian Distros

Back to Top ↑