scarf005’s gists

scarf005 / cata-clang-tidy-tips.md

Last active April 22, 2025 14:21

how to only commit successfully fixed files:

run checks

parallel clang-tidy --enable-check-profile --store-check-profile=clang-tidy-trace -fix '--checks=-\*,modernize-use-ranges' {} ::: src/*.{cpp,h}

collect failing build error messages

scarf005 / lib.rs

Created April 19, 2025 12:09

order preserving javascript JSON serde via giving and passing Map

	use serde_json::Value;
	use serde_wasm_bindgen;
	use wasm_bindgen::prelude::*;

	#[wasm_bindgen]
	pub fn parse_json(string: JsValue) -> Result<JsValue, JsValue> {
	let string: String = string
	.as_string()
	.ok_or_else(\|\| JsValue::from_str("Expected a string"))?;

scarf005 / bap.user.js

Created April 6, 2025 03:17

Replace thumbs-down with baps

	// ==UserScript==
	// @name GitHub Custom Thumbs Down
	// @namespace https://github.com/scarf005
	// @version 1.0.0
	// @description Replaces the default GitHub thumbs down emoji with a custom image
	// @author scarf
	// @match https://github.com/*
	// @grant none
	// @run-at document-idle
	// ==/UserScript==

scarf005 / snoclist.scala

Created April 4, 2025 01:13

	import scala.annotation.tailrec

	sealed abstract class SnocList[+A]:
	inline def :<[B >: A](a: B): SnocList[B] = new :<(this, a)
	final def toList: List[A] =
	@tailrec def go(xs: SnocList[A], acc: List[A]): List[A] = xs match
	case Lin => acc
	case xs :< x => go(xs, x :: acc)
	go(this, Nil)
	override def toString: String = toList.mkString("SnocList(", ", ", ")")

scarf005 / shapeless-show.scala

Created March 20, 2025 15:15

	// https://xebia.com/blog/how-to-derive-type-class-instances-with-shapeless-3/
	//> using dep org.typelevel::shapeless3-deriving::3.5.0

	package deriving

	import shapeless3.deriving.*

	trait Show[A]:
	def show(a: A): String

scarf005 / reset_author.sh

Last active January 2, 2025 07:09

	# reset author and email while keeping date correct
	# https://stackoverflow.com/questions/750172/how-do-i-change-the-author-and-committer-name-email-for-multiple-commits/1320317#1320317
	# https://stackoverflow.com/a/72930891/13503626
	GIT_EDITOR=: git -c rebase.instructionFormat='%s%nexec GIT_AUTHOR_DATE="%ci" GIT_COMMITTER_DATE="%ci" git commit --amend --no-edit --allow-empty --allow-empty-message --reset-author' rebase -i --root

scarf005 / optimize-gif.bash

Last active November 25, 2024 13:16

	#!/bin/bash

	INPUT=${1:-input.mp4}
	OUTPUT=${2:-output.gif}

	ffmpeg -i "$INPUT" -vf "fps=10,palettegen=max_colors=20:reserve_transparent=0" palette.png
	ffmpeg -i "$INPUT" -i palette.png -filter_complex "fps=4,paletteuse" "$OUTPUT" -y
	rm palette.png

scarf005 / quine.scala

Created September 27, 2024 08:17

	@main def main() =
	val blockQuotes = '"'.toString * 3
	val text = """@main def main() =
	val blockQuotes = '"'.toString * 3
	val text = %s
	println(text.formatted(blockQuotes + text + blockQuotes))"""
	println(text.formatted(blockQuotes + text + blockQuotes))

scarf005 / 한글.txt

Created August 26, 2024 12:23

한글 테스트

asfd

scarf005 / result.md

Created July 25, 2024 06:15

O(1) vs O(N)

$  deno bench set_bench.ts
Check file:///Users/nemo/repo/deno-playground/set_bench.ts
cpu: Apple M1 Pro
runtime: deno 1.45.2 (aarch64-apple-darwin)

file:///Users/nemo/repo/deno-playground/set_bench.ts
benchmark             time (avg)        iter/s             (min … max)       p75       p99      p995
---------------------------------------------------------------------- -----------------------------

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