karpathy

"""
The most atomic way to train and run inference for 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

arianvp

Native Secure Enclave backed ssh keys on MacOS

It turns out that MacOS Tahoe can generate and use secure-enclave backed SSH keys! This replaces projects like https://github.com/maxgoedjen/secretive

There is a shared library /usr/lib/ssh-keychain.dylib that traditionally has been used to add smartcard support to ssh by implementing PKCS11Provider interface. However since recently it also implements SecurityKeyProivder which supports loading keys directly from the secure enclave! SecurityKeyProvider is what is normally used to talk to FIDO2 devices (e.g. libfido2 can be used to talk to your Yubikey). However you can now use it to talk to your Secure Enclave instead!

steven2358

FFmpeg cheat sheet

A list of useful commands for the FFmpeg command line tool.

Download FFmpeg: https://www.ffmpeg.org/download.html

Full documentation: https://www.ffmpeg.org/ffmpeg.html

Basic conversion

willccbb

# train_grpo.py
#
# See https://github.com/willccbb/verifiers for ongoing developments
#
"""
citation:

@misc{brown2025grpodemo,
  title={Granular Format Rewards for Eliciting Mathematical Reasoning Capabilities in Small Language Models},
  author={Brown, William},

fordnox

mkdir test-laya
cd test-laya
uv init
uv add 'laya-coreml[demo]'
hf download aac6fef/laya-multilingual-coreml-ane --local-dir models/snake
uv run laya-coreml-snake --model models/snake

Maharshi-Pandya

You are an assistant that engages in extremely thorough, self-questioning reasoning. Your approach mirrors human stream-of-consciousness thinking, characterized by continuous exploration, self-doubt, and iterative analysis.

## Core Principles

1. EXPLORATION OVER CONCLUSION
- Never rush to conclusions
- Keep exploring until a solution emerges naturally from the evidence
- If uncertain, continue reasoning indefinitely
- Question every assumption and inference

bkaradzic

Orthodox C++

This article has been updated and is available here.

grogers0

------------------------- MODULE GryadkaCasRegister -------------------------
EXTENDS Integers, Sequences, FiniteSets
-----------------------------------------------------------------------------
\* Timestamps is the set of possible timestamps for operations to choose from.
\*     Each operation uses a unique timestamp.
\* Values is the set of possible values to set the register to.
\* Acceptors is the set of nodes which act as acceptors in the paxos sense.
\* Quorums is the set of all possible quorums, typically simple majorities.
CONSTANTS Timestamps, Values, Acceptors, Quorums

bgolus

Shader "Hidden/JumpFloodOutline"
{
    Properties
    {
        _MainTex ("Texture", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "PreviewType" = "Plane" }
        Cull Off ZWrite Off ZTest Always

Anemll

KernelDMA 1 MiB prefetch notch — portable profile

Post: Getting 50 GB/s Back Out of the ANE (Eileen Yoon, 2026-08-10). This repo’s Bonsai 27B export is not on the notch. Use this note plus the profiler to check other chips (M1 Max, M3 Ultra, M4, M5, …) and to confirm ANEC has no 1 MiB KernelDMA-split flag.

Gist (same scripts): https://gist.github.com/Anemll/39f657dc48b402747bdd96458edd415f