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How to add a collapsible section in markdown.

Example

Click me

Heading

1. Foo
2. Bar
   • Baz

• Qux

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  ZigZag-Encoding
  ---------------
  
  Maps negative values to positive values while going back and
  forth (0 = 0, -1 = 1, 1 = 2, -2 = 3, 2 = 4, -3 = 5, 3 = 6 ...)

  (i >> bitlength-1) ^ (i << 1)

  with "i" being the number to be encoded, "^" being
  XOR-operation and ">>" would be arithemtic shifting-operation

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a
abandon
ability
able
abortion
about
above
abroad
absence
absolute

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How to automatically sync Obsidian between Github and Android with Termux and Tasker

I use Obsidian git on PC, and this workaround (since the plugin doesn't support mobile) to seamlessly* sync my notes to and from my phone. Using these instructions you create an automation for pulling every time you open Obsidian, and pushing every time you close it.

_{* you can still get merge conflicts...}

Preparation

1. Install Tasker.
2. Install Termux.
3. Install Termux tasker plugin.
4. Open Termux and write termux-setup-storage, give it permissions.

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How to sync Obsidian with Git on Android

Limitations

• If Termux is closed in the background by Android, the cron service will stop updating your repository and you must open Termux again. Refer to instructions for your device model to disable the killing of certain background applications.
• This may negatively affect your devices battery life. I'm not entirely sure yet.

Setup

• Install Termux – Apps on Google Play

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Semantic Commit Messages

See how a minor change to your commit message style can make you a better programmer.

Format: <type>(<scope>): <subject>

<scope> is optional

Example

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"""
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

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Verified Spec-Driven Development (VSDD)

The Fusion: VDD × TDD × SDD for AI-Native Engineering

Overview

Verified Spec-Driven Development (VSDD) is a unified software engineering methodology that fuses three proven paradigms into a single AI-orchestrated pipeline:

• Spec-Driven Development (SDD): Define the contract before writing a single line of implementation. Specs are the source of truth.
• Test-Driven Development (TDD): Tests are written before code. Red → Green → Refactor. No code exists without a failing test that demanded it.