Index
Tiny things
Prep guides and visualizers I actually open, too small to be Projects. Kept here so I stop hunting through Railway, GitHub, and Downloads.
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System Design Prep
Prep · liveLeitner-box flashcards across twelve system-design topics, plus per-topic rehearsal boards. Progress stays in the browser.
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Cocodessert — LLM Prep
Prep · liveTeaching-style AI software engineer interview prep: LLM internals, applied LLM engineering, ML system design, evals, flashcards.
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Rectangle Plotter
Visualizer · on this siteType two
[x1, y1, x2, y2]rectangles; the plot and the overlap math update as you type. For rectangle-overlap LeetCode checks. -
Graph Visualizer
Visualizer · livePaste an edge list, drag a node to the top, the rest hangs below it like a tree. For seeing graph problems instead of squinting at pairs.
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C++ Prep
Prep · on this siteFive C++ deep dives, taught from scratch: fundamentals, virtual functions, iterators and moves, move semantics, performance.