nyawach

/**
 * @return {Boolean} 祝日かどうか
 */
function isJapaneseHoliday() {
  var startDate = new Date();
  startDate.setHours(0, 0, 0, 0);
  var endDate = new Date();
  endDate.setHours(23, 59, 59, 999);
  // google calenderの提供している祝日カレンダーを取得する
  var cal = CalendarApp.getCalendarById("ja.japanese#holiday@group.v.calendar.google.com");

nyawach

def uniq(items: list):
    '''
    元の順序を保持したままuniqにする
    '''
    return sorted(set(items), key=items.index)

def not_none_items(items: list):
    '''
    Noneなアイテムを除外する
    '''

nyawach

import SeededRandom from "../SeededRandom"

describe("SeededRandom.ts", () => {
  it("インスタンスが違っていても、シード値が同じなら同じ値が返ってくる", () => {
    const seed = 100
    const r1 = new SeededRandom(seed)
    const r2 = new SeededRandom(seed)
    expect(r1.next()).toBe(r2.next())
    expect(r1.next()).toBe(r2.next())
    expect(r1.next()).toBe(r2.next())

nyawach

const {PI} = Math
const rad1 = PI / 180

export const deg2rad = (deg: number) => deg * rad1

export const rad2deg = (rad: number) => rad / rad1

nyawach

import { APIGatewayProxyHandler } from "aws-lambda"

export const handler: APIGatewayProxyHandler = async event => {
  const filename = "data.json"
  return {
    statusCode: 200,
    headers: {
      "Content-Type": "application/force-download",
      "Content-disposition": `attachment; filename=${filename}`,
    },

nyawach

/**
 * References:
 * - https://qiita.com/Ishidall/items/bb0e0db86a2f56fb1022
 */
import * as crypto from "crypto"

const ENCRYPT_METHOD = "aes-256-cbc" // 暗号化方式
const ENCRYPTION_KEY = "" // 32byte
const IV = Buffer.from("") // 16byte
const ENCODING = "hex" // 最終的な文字列のエンコード方式

nyawach

/**
 * 文字列を逆にする
 * 
 * ex: 'string' → gnirts
 */
export const reverse = (target: string) =>
  target
    .split("")
    .reverse()
    .join("")

nyawach

import PyPDF2
from pathlib import Path

def merge_pdf(sources: list, filename: str):
    """PDFを結合する
    - sources: もととなるソースファイル。配列の順番通りに結合する。
    - filename: 出力するファイル名。
    """
    merger = PyPDF2.PdfFileMerger()
    for source in sources:

nyawach

const loadImage = (src) => new Promise((resolve, reject) => {
  const img = new Image()
  img.onload = () => resolve(img)
  img.onerror = reject
  img.src = src
})

nyawach

// https://sbfl.net/blog/2017/06/01/javascript-reproducible-random/
class Random {
  constructor(seed = 88675123) {
    this.x = 123456789;
    this.y = 362436069;
    this.z = 521288629;
    this.w = seed;
  }
  // XorShift
  next() {