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Create a single HTML file that displays a live, auto-updating Bitcoin (BTC/USDT) price chart. Requirements: - **Single file**: All HTML, CSS, and JavaScript in one file (CDN links are fine) - **Data ...
Code · Refactor
8 challenges
Restructure code for better readability and maintainability.
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Create an original, fun puzzle or game in a single HTML file using only HTML, CSS, and JavaScript. The core challenge is twofold: keep the code as short as possible while still making the game genuine...
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Design a website UI mockup (HTML/CSS) for a luxury car dealership showroom. The site should feel like walking into a high-end showroom — prestigious, sleek, and immersive. **Requirements:** - **Hero ...
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Write a Python script that continuously fetches the following prices every 60 seconds and stores them in a MySQL database: **Precious Metals:** Gold, Silver, Platinum, Palladium **Crypto:** Bitcoin, ...
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The following Python async rate limiter uses a token bucket algorithm, but it has several subtle bugs that cause it to fail under concurrent usage. Tokens leak, requests occasionally bypass the rate l...
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Design a detailed homepage layout mockup for a luxury jewelry website targeting a wealthy, discerning audience. The design should feel modern yet timeless, exuding elegance and exclusivity. **Require...
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I want to build a Luffarschack (Gomoku/Five in a Row) game for my website using plain HTML, CSS, and JavaScript. I need: - A clickable game board grid - Two-player turn-based gameplay (alternating X a...
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I want to create a browser-based Othello (Reversi) game for two human players using plain HTML, CSS, and JavaScript (no frameworks). The game should include: - An 8x8 game board with the standard sta...