karpathy

"""
The most atomic way to train and inference a GPT in pure, dependency-free Python.
This file is the complete algorithm.
Everything else is just efficiency.

@karpathy
"""

import os       # os.path.exists
import math     # math.log, math.exp

kazzohikaru

<nav>
	<a href="#" class="split" style="--font-width: 125">
		TikTok
	</a>
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		Instagram
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		Twitter
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kazzohikaru

CSS-Scroll-Focus-Text

A Pen by Kara Bharat on CodePen.

License.

humorless

Dev Workflow

• After editing source files, use brepl to require the changed namespace with :reload and test interactively, rather than relying solely on curl or bb test.

Interactive Development Techniques

• Call handlers directly — Ring handlers are pure functions (request map → response map). Test them in brepl without going through HTTP or middleware: (handlers/home-handler {}), (handlers/inspect-handler {}). Inspect response structure with (keys resp) before dumping the full body.
• Verify routes with Reitit — Use reitit.core/match-by-path to check route matching interactively without a browser: (reitit.core/match-by-path (reitit.ring/router app-routes/routes) "/"). Useful for verifying newly added routes before integration testing.
• Compose and inspect HoneySQL queries — Build queries incrementally as data and preview the generated SQL with (honey.sql/format query {:quoted true}) before sending to the database. This lets you verify correctness without executing a