odiak

const fsp = require('fs').promises

async function purge(dir, pictureId) {
    const entries = await fsp.readdir(dir, { withFileTypes: true })
    let n = 0
    await Promise.all(entries.map(async (e) => {
        const path = `${dir}/${e.name}`
        if (e.isDirectory()) {
            n += await purge(path, pictureId)
        } else if (e.isFile()) {

odiak

#! node

// example:
//   each-dir dir1 somewhere/dir2 -- npm ci

const { spawn } = require("child_process");

(async () => {
  const args = process.argv.slice(2);
  const i = args.indexOf("--");

odiak

// read notes from `data/note` directory and export to `md` directory

const fs = require('fs/promises')

;(async () => {
  fs.mkdir('md', { recursive: true })
  const list = await fs.readdir('data/note')
  const usedNames = new Set()
  for (const fileName of list) {
    if (!/\.json$/.test(fileName)) continue

odiak

import * as t from "io-ts";

const codec = t.type({
  a: t.number,
  b: t.union([t.string, t.undefined]),
});
console.log(codec.decode({ a: 1 }));
type codec = t.TypeOf<typeof codec>;

// --------------------

odiak

# Welcome to Sonic Pi

use_random_seed 1
use_bpm 120
int = 1.0 / 8

d1 = [1, 0, 0, 0, 0.05, 0, 0, 0]
d2 = [0, 0, 0, 0, 1, 0, 0.1, 0]
d3 = [0, 0, 0.05, 0, 0, 0, 0, 0]

odiak

コンパイル前

package net.odiak.kotlin_coroutines_experiment

import kotlinx.coroutines.*

suspend fun s1(): Int {
    println("hello")
    delay(1000L)

odiak

sudo apt install -y build-essential libssl-dev zlib1g-dev libbz2-dev \
    libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev \
    xz-utils tk-dev libffi-dev liblzma-dev python-openssl git

curl https://pyenv.run | bash

cat <<'EOS' >> $HOME/.bashrc
export PATH="$HOME/.pyenv/bin:$PATH"
eval "$(pyenv init -)"
eval "$(pyenv virtualenv-init -)"

odiak

#!/usr/bin/env python3

from subprocess import check_output, check_call
from datetime import datetime
import sys
from pathlib import Path

def main() -> None:
    datetime_file = Path.home() / 'last-active-timestamp'
    pause_file = Path.home() / 'pause-auto-shutdown'

odiak

from typing import Tuple
import numpy as np


def n_union_and_intersection(a: np.ndarray, b: np.ndarray) -> Tuple[int, int]:
    na = len(a)
    nb = len(b)
    ia = 0
    ib = 0

odiak

#!/bin/bash

TIMESTAMP_FILE="/tmp/auto-stop-timestamp"

if [ $(who | wc -l) -gt 0 ]; then
    rm -f $TIMESTAMP_FILE
else
    now=$(date "+%s")
    if [ -f "$TIMESTAMP_FILE" ]; then
        echo $now > $TIMESTAMP_FILE