Gavin Wiggins

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Notes

This page contains my notes on various programming and tech related topics. Recent notes are listed below. Subscribe to the JSON feed or follow me on Mastodon to get notified about new posts.

Recent Notes

FastAPI Router for Path Operations August 9, 2025

Command-line Arguments in Swift July 9, 2025

Array of Random Numbers in Swift and Accelerate June 20, 2025

Suppress Print Output in Swift April 29, 2025

Dynamic Python Class from TOML April 21, 2025

Testing a PyZMQ Client and Server April 12, 2025

Request-Reply Pattern with PyZMQ April 10, 2025

Dynamic Package Import in Python April 9, 2025

Delay Log File Creation March 27, 2025

Flask App Configuration with Dotenv March 12, 2025

Python Projects with uv January 7, 2025

Run Python Scripts with uv January 6, 2025

Python Package with Data November 24, 2024

Configuration Using a Python dataclass November 21, 2024

Discardable result October 7, 2024

Command-line Arguments with Python September 28, 2024

Flat Indexing an N-dimensional Array August 7, 2024

Protocols in Python July 13, 2024

Measure Elapsed Time of Swift Code June 24, 2024

Complex Multiplication with Accelerate May 11, 2024

See the sections below for an archive of all my notes. The notes are organized by topic therefore some notes may appear in several sections.

C++

• Clang on macOS
• Command Line Arguments in C++
• Hello World in C++
• Include a Function from a C++ File
• Numbers in C++
• Strings in C++
• Two-Dimensional Array in C++
• Use CMake to Build a C++ Project
• Use CMake to Build and Install a C++ Project

JavaScript

• Create a JavaScript Environment with Node
• Fizz buzz in Javascript
• Input Numbers with JavaScript
• JavaScript Modules
• Plotly Graphs in JavaScript
• Scroll Columns with JavaScript
• Select Results with JavaScript
• Select Units with JavaScript
• Strings in JavaScript
• Use JavaScript to Load HTML Content

Julia

• Arrays in Julia
• Conditional Statements in Julia
• Debugging Julia Code
• Dictionaries in Julia
• Docstrings in Julia Code
• Functions in Julia
• JSON Parsing with Julia
• Loops in Julia
• Modules for Julia Code
• Strings in Julia
• Testing Julia Code
• Tuples in Julia

Python

• Animation with Matplotlib
• Bokeh Graphs and Htmx with Flask
• Boolean Indexing with NumPy
• Cache Function in Python
• Cached Class Property in Python
• Clip Array Values with NumPy
• Command-line Arguments with Python
• Compare inv and solve Functions in NumPy
• Conda Environments
• Configuration Using a Python dataclass
• Contour Plot Smoothing with Matplotlib
• Count Letters with Python
• Counter in Python
• cProfile for Python Code
• Dask Arrays
• Debugger in Python
• Dedent Text with Python
• Delay Log File Creation
• Dictionaries in Python
• Doctest with Python
• Dynamic Package Import in Python
• Dynamic Python Class from TOML
• FastAPI Router for Path Operations
• Fizz Buzz in Python
• Flask App Configuration with Dotenv
• Form Input with Htmx and Flask
• Full Array in NumPy
• Gauss-Legendre Points and Weights with NumPy
• Imshow Plot with Matplotlib
• Index of Max Value with NumPy
• JSON with Python
• Lists in Python
• Loop Over Columns with NumPy
• Makefiles for Python Projects
• Matshow Plot with Matplotlib
• Maximum Array with NumPy
• Memory Usage of a Large NumPy Array
• Mosaic Grid of Plots with Matplotlib
• Open JSON File in Tkinter
• Parsing XML with Python
• Plotly Graph Restyle with Flask
• Plotly Graphs and Htmx with Flask
• Pre-allocate a Python List
• Protocols in Python
• Python Package Name
• Python Package with Data
• Python Projects with uv
• Ray Actors
• Ray Functions
• Request-Reply Pattern with PyZMQ
• Run Dask Code as a Script
• Run Python Scripts with uv
• Save and Load NumPy Arrays
• Secrets in Python
• Set Difference of Two NumPy Arrays
• Sorted List of Items with Python
• Sparse Diagonal Matrix with SciPy
• Strings in Python
• Test Examples with Python
• Testing a PyZMQ Client and Server
• Tkinter Application
• Tkinter Theme with ttkbootstrap
• Tkinter with the CustomTkinter Theme
• Tuples in Python
• Unittest CSV Files with Python
• Update a Webpage with Ajax and Flask
• Update Label Text in Tkinter
• Version Number in Python
• View Data with Matplotlib in Tkinter
• Virtual Environments

Rust

• Arrays and Vectors in Rust
• Compile and Run a Rust File
• Enums in Rust
• FizzBuzz in Rust
• Hash Maps in Rust
• If Expressions in Rust
• Numbers in Rust
• Rust Functions
• Rust Loops
• Rust References
• Slices in Rust
• Strings in Rust
• Structs in Rust
• Tuples in Rust

Swift

• Absolute Value with Accelerate
• Array of Random Numbers in Swift and Accelerate
• Arrays in Swift
• Basic Triangle in Metal
• Clear Color in Metal
• Color View with Metal Compute Kernel
• Command-line Arguments in Swift
• Complex Multiplication with Accelerate
• Create a Swift Package
• Date Formatting in Swift
• Defaults Command Line Tool
• Directory Contents with Swift
• Element-wise Array Addition in Swift, Accelerate, and Metal
• Flat Indexing an N-dimensional Array
• Image from Array Data in Swift
• Image from Colormap Filter in Swift
• Matrix Multiplication with Accelerate
• Matrix Multiplication with Metal
• Measure Elapsed Time of Swift Code
• Noise with Metal
• Normalize Array Values in Swift
• Package a Swift Library
• Particles Using Metal
• Range in Swift
• Reverse Array Elements using Accelerate
• Sampler in Metal
• Sort Array Values with Accelerate
• Strides in Swift
• Strings in Swift
• Suppress Print Output in Swift
• Swift Compiler Optimizations
• Swift Dictionaries

Gavin Wiggins © 2025
Made on a Mac with Genja. Hosted on GitHub Pages.