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AI Coding Agent Guidelines (claude.md)

These rules define how an AI coding agent should plan, execute, verify, communicate, and recover when working in a real codebase. Optimize for correctness, minimalism, and developer experience.

Operating Principles (Non-Negotiable)

Correctness over cleverness: Prefer boring, readable solutions that are easy to maintain.
Smallest change that works: Minimize blast radius; don't refactor adjacent code unless it meaningfully reduces risk or complexity.

Backup android app, data included, no root needed, with adb

Note: This gist may be outdated, thanks to all contributors in comments.

adb is the Android CLI tool with which you can interact with your android device, from your PC

You must enable developer mode (tap 7 times on the build version in parameters) and install adb on your PC.

Don't hesitate to read comments, there is useful tips, thanks guys for this !

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

Running Docker on two hosts, bridged with Open vSwitch

This Gist shows how to use Open vSwitch to bridge Docker containers on two hosts. It is based on this blog post http://goldmann.pl/blog/2014/01/21/connecting-docker-containers-on-multiple-hosts/.

A similar Gist using Tinc instead of Open vSwitch is available: https://gist.github.com/noteed/11031504.

	#pragma once

	#include <cmath>

	/**
	State variable filter (SVF), designed by Andrew Simper of Cytomic.

	http://cytomic.com/files/dsp/SvfLinearTrapOptimised2.pdf

	The frequency response of this filter is the same as of BZT filters.

	# nim c -r --threads:on --gc:orc

	import cpuinfo, os, random, locks, deques

	type
	WorkReq = ref object
	id: int

	WorkRes = ref object
	id: int

	#!/bin/bash

	# Example Definitions, for Mac Setups
	destination="$HOME/android/"
	toolsDownloadUrl=$(curl https://developer.android.com/studio \| grep -o "https:\/\/dl.google.com\/android\/repository\/commandlinetools\-mac\-[0-9]*_latest\.zip")

	# Download and extract the contents
	curl --location -o android.zip $toolsDownloadUrl
	unzip -q android.zip -d ./android-temp

	#!/usr/bin/env bash

	declare -i last_called=0
	declare -i throttle_by=2

	@throttle() {
	local -i now=$(date +%s)
	if (($now - $last_called >= $throttle_by))
	then
	"$@"

	import macros


	type Foo = object
	a: int
	b: int
	c: float

	#[
	dumpTree:

	#!/usr/bin/env bash
	# Build and install neovim for Debian

	pushd .

	mkdir -p ~/src
	cd ~/src

	# Install cmake 2.8.10
	cmake_package="cmake-3.3.1"