<h3>Table of Contents</h3>
<ul>
 <li>Search Innovations
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46103376">Search tool that only returns content created before ChatGPT's public release</a></li>
 </ul>
 </li>
 <li>Programmer Puzzles
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46096337">Advent of Code 2025</a></li>
 <li><a href="https://news.ycombinator.com/item?id=46102347">Advent of Sysadmin 2025</a></li>
 </ul>
 </li>
 <li>Tech Developments
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46105079">DeepSeek releases open-weights math model with IMO gold medal performance</a></li>
 <li><a href="https://news.ycombinator.com/item?id=46103657">SmartTube Compromised</a></li>
 </ul>
 </li>
 <li>Mars Discoveries
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46061390">We've Detected Lightning on Mars</a></li>
 </ul>
 </li>
 <li>Community Insights
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46096800">Migrating Dillo from GitHub</a></li>
 <li><a href="https://news.ycombinator.com/item?id=46097829">GitHub to Codeberg: my experience</a></li>
 </ul>
 </li>
</ul>

Table of Contents Search Innovations Search tool that only returns content created before ChatGPT's public release Programmer Puzzles Advent of Code 2025 Advent of Sysadmin 2025 Tech Developments DeepSeek releases open-weights math model with IMO gold medal performance SmartTube Compromised Mars Discoveries We've Detected Lightning on Mars Community Insights Migrating Dillo from GitHub GitHub to Codeberg: my experience

Table of Contents
<ul>
 <li>Search Innovations
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46103376" rel="noopener noreferrer">Search tool that only returns content created before ChatGPT's public release</a></li>
 </ul>
 </li>
 <li>Programmer Puzzles
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46096337" rel="noopener noreferrer">Advent of Code 2025</a></li>
 <li><a href="https://news.ycombinator.com/item?id=46102347" rel="noopener noreferrer">Advent of Sysadmin 2025</a></li>
 </ul>
 </li>
 <li>Tech Developments
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46105079" rel="noopener noreferrer">DeepSeek releases open-weights math model with IMO gold medal performance</a></li>
 <li><a href="https://news.ycombinator.com/item?id=46103657" rel="noopener noreferrer">SmartTube Compromised</a></li>
 </ul>
 </li>
 <li>Mars Discoveries
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46061390" rel="noopener noreferrer">We've Detected Lightning on Mars</a></li>
 </ul>
 </li>
 <li>Community Insights
 <ul>
 <li><a href="https://news.ycombinator.com/item?id=46096800" rel="noopener noreferrer">Migrating Dillo from GitHub</a></li>
 <li><a href="https://news.ycombinator.com/item?id=46097829" rel="noopener noreferrer">GitHub to Codeberg: my experience</a></li>
 </ul>
 </li>
</ul>

Hacker News – 01 Dec 2025

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Hacker News – 01 Dec 2025

Hacker News – 01 Dec 2025