sawaYch

import signal
import os
import hmac
import hashlib
import sys


def tle_handler(*args):
    print('⏰')
    sys.exit(0)

sawaYch

# coding: utf-8
# 自分の得意な言語で
# Let's チャレンジ！！
def min_adjacent_swap(arr):
    swap_times = 0
    n = len(arr) / 2
    iter = 0
    while iter < len(arr) - 1:
        # if current not ideal
        if arr[iter] != iter % n:

sawaYch

/**
require webp & libwebp, see https://developers.google.com/speed/webp/download
run:
cd working_dir # suppose working dir contains all webp that u want to convert
node ./convert.js # wait for it until done
*/
const child = require("child_process");
const fs = require("fs");
const path = require("path");
const util = require("util");

sawaYch

// https://github.com/jquense/yup/issues/394

import i18next from "i18next";
import { setLocale } from "yup";

export const setFormikLocale = (i18n: typeof i18next): void => {
  // Config yup validation schema default error message
  setLocale({
    mixed: {
      notType: (_ref) => {

sawaYch

ffmpeg -i ./input.mp4 -vf "fps=10,scale=320:-1:flags=lanczos" -c:v pam \
    -f image2pipe - | \
    convert -delay 10 - -loop 0 -layers optimize output.gif

sawaYch

yt-dlp usage

# check format & codec
yt-dlp -F https://www.youtube.com/watch?v=vWsmn3-7scs
# output
[info] Available formats for vWsmn3-7scs:
ID  EXT RESOLUTION FPS │   FILESIZE   TBR PROTO │ VCODEC        VBR ACODEC      ABR ASR MORE INFO
────────────────────────────────────────────────────────────────────────────────────────────────────────────
139 m4a audio only     │ ~ 66.18MiB   64k dash  │ audio only        mp4a.40.5   64k 22k DASH audio, m4a_dash
140 m4a audio only     │ ~148.90MiB  144k dash  │ audio only        mp4a.40.2  144k 44k DASH audio, m4a_dash

sawaYch

## create foreach storeprocedure first. If your db exist, then no need to do it.
CREATE proc [dbo].[sp_MSforeachtable]
	@command1 nvarchar(2000), @replacechar nchar(1) = N'?', @command2 nvarchar(2000) = null,
  @command3 nvarchar(2000) = null, @whereand nvarchar(2000) = null,
	@precommand nvarchar(2000) = null, @postcommand nvarchar(2000) = null
AS
	declare @mscat nvarchar(12)
	select @mscat = ltrim(str(convert(int, 0x0002)))
	if (@precommand is not null)
		exec(@precommand)

sawaYch

This really scare me :/

The solution is to reset macbook's NVRAM / PRAM: https://support.apple.com/en-us/HT204063

1. remember press Option + Command + P + R when the machine boot when you hear the first boot sound
2. holding it around 20 seconds, until you hear second boot sound
3. machine will boot
4. success

sawaYch

env:
  TERM: xterm-256color

cursor:
  style: Block

font:
  normal:
    family: Source Code Pro for Powerline
  size: 14

sawaYch

AAD Token lifetime payload

1. Token Lifetime policy is apply to resource server (e.g. backend server app registration)
2. Refresh Token lifetime is not use TokenLifeTimePolicy to config, but use conditional access sign-in frequency

{
  "TokenLifetimePolicy": {
    "Version": 1,
 "AccessTokenLifetime": "00:10:00",