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scarf005 / array_bench.ts
Created July 25, 2024 06:08
for (const N of [10_000, 100_000, 1_000_000]) {
Deno.bench("Array.fill()", { group: `${N}`, baseline: true }, () => {
new Array(N).fill(0)
})
Deno.bench("Array.from()", { group: `${N}` }, () => {
Array.from({ length: N }, () => 0)
})
}
@scarf005
scarf005 / mergesort.hs
Last active July 10, 2024 00:32
{-# LANGUAGE OverloadedRecordDot #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NoFieldSelectors #-}
import Data.List (intercalate)
mergeSort :: Ord a => [a] -> [a]
mergeSort [] = []
mergeSort [x] = [x]
mergeSort xs = merge (mergeSort left) (mergeSort right)
@scarf005
scarf005 / index.html
Created May 28, 2024 00:53
Simplest preact app without any build step
<!DOCTYPE html>
<html>
<head>
<title>Look ma, no build step</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="./main.js"></script>
@scarf005
scarf005 / gh-pr-merge.ts
Last active May 21, 2024 08:12
/**
* Sync PR/revert인 경우 merge commit, 그 외에는 squash merge
*
* 의존성: [github cli](https://cli.github.com)
* 설치: gh alias set pr-merge '! deno run -A /스크립트가/있는/경로/gh-pr-merge.ts $@'
*
* @module
*/
import $ from "jsr:@david/dax@^0.41.0"
@scarf005
scarf005 / closure_bench.ts
Last active January 8, 2024 02:08
Inline your callbacks
const f = (g: (x: number) => number) => (x: number) => g(x)
Deno.bench("closure directly", { baseline: true }, () => {
const foo = [...Array(1000).keys()].map(f((x) => x + 1))
})
Deno.bench("closure indirectly", () => {
const g = f((x) => x + 1)
const foo = [...Array(1000).keys()].map(g)
})
@scarf005
scarf005 / toggle_sidebar.user.js
Last active March 7, 2025 17:08
// ==UserScript==
// @name Discord Toggle Sidebar
// @namespace https://github.com/scarf005
// @homepage https://gist.github.com/scarf005/5849921063d34744fde3494abd5ea107
// @updateURL https://gist.githubusercontent.com/scarf005/5849921063d34744fde3494abd5ea107/raw/toggle_sidebar.user.js
// @downloadURL https://gist.githubusercontent.com/scarf005/5849921063d34744fde3494abd5ea107/raw/toggle_sidebar.user.js
// @version 0.6.0
// @description Toggles Discord sidebar
// @author scarf
// @license MIT
@scarf005
scarf005 / snake_case.ts
Created September 11, 2023 23:12
rename all files to be snake_case
import { walk } from "https://deno.land/[email protected]/fs/walk.ts"
import { join } from "https://deno.land/[email protected]/path/join.ts"
import { parse } from "https://deno.land/[email protected]/path/parse.ts"
import { asynciter } from "https://deno.land/x/[email protected]/mod.ts"
import { snakeCase } from "https://deno.land/x/[email protected]/mod.ts"
if (import.meta.main) {
// walk all markdown files in doc/src/content, and rename filenames to snake_case
await asynciter(walk("doc/src/content", { exts: ["md"], includeDirs: false }))
.map(({ path }) => ({ path, ...parse(path) }))
@scarf005
scarf005 / dcinside custom filter
Last active October 28, 2023 00:05
dcfilter.txt
! Title: Clean DCInside UI
! Homepage: https://gist.github.com/scarf005/50451bd971f647da7b4f5f79798a53e6/edit
! 로갤 로스트아크갤 구분
||https://gall.dcinside.com/board/lists/?id=lostark$all
google.*##.g:has(a[href*="https://gall.dcinside.com/board/lists/?id=lostark"])
||dcimg5.dcinside.com/dccon.php?no=62b5df2be09d3ca567b1c5bc12d46b394aa3b1058c6e4d0ca41648b65feb246efc7dee44a100573d4877e943faabd47cae7095ad596fb484b6618dc825dbe838dcd667f5$image
@scarf005
scarf005 / mathstructs.hs
Created August 7, 2023 03:15
{-# LANGUAGE NoImplicitPrelude #-}
import Data.Bool (Bool, (&&), (||))
import Numeric.Natural (Natural)
import Prelude (Int, (+), (-))
{- |
마그마(Magma)는 집합과 '닫힌' 이항 연산자 (이항 연산의 결과가 집합에 속함)
(𝕄, •) ⊢ ∀ a, b ∈ 𝕄 ⟹ a • b ∈ 𝕄.
@scarf005
scarf005 / typeclass.md
Last active August 3, 2023 06:23

Visualizing typeclasses with mermaid diagram

id : a -> a

flowchart LR

a((a)) --> b((a))

classDef default stroke:#333,stroke-width:2px