Elsewhere
Release TIL Research Tool Museum Sighting
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Research
CSRF Protection Demo: Modern Browser-Based Defenses
— Modern browser security now enables robust Cross-Site Request Forgery (CSRF) prevention without requiring tokens. This demo project contrasts a vulnerable FastAPI bank app with a protected version, showcasing how browser-sent headers like `Sec-Fetch-Site` and `Origin` empower servers to automatically reject cross-origin POST requests.
Tool
Sorting algorithms
— Explore and compare different sorting algorithms through interactive animated visualizations that display how each algorithm organizes data in real-time. The tool allows you to adjust dataset size and animation speed, run individual algorithms step-by-step or continuously, and race multiple algorithms simultaneously to see which performs best. Each algorithm includes detailed complexity analysis and visual indicators for comparisons, swaps, and sorted elements.
Tool
SQLite Bytecode Explorer
— Explore SQLite's Virtual Database Engine (VDBE) by analyzing the bytecode that SQLite generates when compiling SQL queries. This tool runs the `EXPLAIN` command on your SQL statements and annotates each instruction with detailed explanations of what it does, from cursor management and table scans to index lookups and aggregate functions.
Research
v86 exploration
— Exploring the v86 Linux Emulator (see v86 Linux Emulator tool), this project evaluates a browser-based Buildroot 2024.05.2 x86 environment with a constrained 39 MB RAM, featuring BusyBox utilities, Lua 5.4.6 scripting, and core text-processing tools. Although it boasts comprehensive shell utilities, file management tools, and basic network utilities (curl, wget, links), actual internet access is unavailable due to the lack of a configured network relay.
Luau is an MIT licensed "small, fast, and embeddable programming language based on Lua with a gradual type system", created by Roblox.
As part of my ongoing obsession with sandboxed runtimes I decided to see if I could get it working via WebAssembly in both Python and Pyodide.
Tool
MP3 Inspector
— Extract ID3 metadata and file information from MP3 audio files using this browser-based tool. Upload an MP3 file by dragging it onto the drop zone or selecting it through the file picker, and the inspector will parse and display all available tags including title, artist, album art, technical encoding details, and embedded URLs. The tool organizes metadata into categorized sections and provides a raw JSON view for advanced inspection of the complete tag data.
On the second floor of 141 Wooster Street in New York's SoHo district there is a 3,600 square foot room filled with earth - 280,000 pounds of it, first installed in 1977 and maintained there ever since.
The NICAR data journalism conference provides a copy of the schedule as CORS-enabled JSON, so I vibe coded my own mobile-friendly schedule app to help me keep track of the sessions I want to attend.
Tool
GIF Optimizer (gifsicle WASM)
— Optimize animated GIF files using gifsicle compiled to WebAssembly, with all processing occurring directly in your browser without server uploads. The application offers preset optimization profiles ranging from lossless compression to aggressive lossy reduction, along with manual control over parameters like color palette size, scaling, and dithering methods.
Tool
markdown-copy component
— The `<markdown-copy>` component renders markdown content with built-in controls for viewing the rendered output and copying or viewing the source code. It provides an interactive interface with a menu button that allows users to toggle between the formatted markdown display and the raw markdown source, as well as quickly copy the markdown text to the clipboard.
Tool
Animated Word Cloud
— View animated word cloud visualizations that use an Archimedean spiral placement algorithm to position words on a canvas. Each word spirals outward from the center until it finds an unoccupied space, with grid-based spatial indexing accelerating collision detection to handle large datasets efficiently. Control the animation playback speed, step through frames manually, download the final result as a PNG, or paste your own text to generate a custom word cloud.
Research
Rust Word Cloud CLI
— Leveraging Rust’s performance and safety, this CLI tool generates PNG word clouds directly from text input using a custom spiral layout algorithm and efficient grid-based collision detection. It supports flexible options for image size, font scaling, color schemes, and background colors, with all core features—such as stopword filtering, spatial indexing, and layout—implemented from scratch without any external word cloud library.
Tool
Unicode Explorer — Binary Search Over HTTP
— View Unicode characters and their properties through an interactive binary search algorithm that makes real HTTP Range requests to fetch individual records from a binary database. Enter a character or Unicode codepoint to see each step of the search visualized in a network log, including fetch times and comparisons.
Research
Unicode Explorer — Binary Search Over HTTP
— By leveraging HTTP Range requests and fixed-width binary records, Unicode Explorer demonstrates efficient binary search for Unicode data directly from a static file with zero backend or dependencies. The client fetches only one 256-byte record per step, using signposts from `meta.json` to optimize initial narrowing, then performs real-time network-driven binary search, visualized in an interactive log.
Research
README Timezone Clarification
— Timezone mismatches in the project’s root README.md were identified due to inconsistent git commit author dates—some in UTC, others in US Pacific time—displayed without timezone clarification. The listing was generated by a cog script that extracted dates using `git log`, then formatted them without standardizing to a common timezone, causing confusion across 39 project directories.
Research
WebMCP + Chrome DevTools Protocol Demo
— WebMCP is a proposed browser API that enables web applications to expose structured, callable tools for AI agents, reducing the need for unreliable UI automation. This project demonstrates how to register and interact with WebMCP tools using a Python client over the Chrome DevTools Protocol (CDP), providing a bridge to discover and call these tools programmatically.
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