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loveqoo / timer.js
Last active February 25, 2017 01:42
Javascript Timer
/*
var t = timer.getTimer(1000); // 1 sec
var key1 = t.add(function (){
console.log('1 sec');
});
var key2 = t.add(function (){
console.log('2 sec');
}, 2); // 1 sec, 2 times -> 2 sec
@loveqoo
loveqoo / algorithm-tower-of-hanoi.md
Last active October 23, 2016 18:00
ํ•˜๋…ธ์ด์˜ ํƒ‘

[ํ•˜๋…ธ์ด์˜ ํƒ‘][1]

ํƒ‘์€ ์ด๋ ‡๊ฒŒ ์ƒ๊ฒผ๋‹ค

ํ•˜๋…ธ์ด์˜ ํƒ‘(Tower of Hanoi)์€ ํผ์ฆ์˜ ์ผ์ข…์ด๋‹ค. ์„ธ ๊ฐœ์˜ ๊ธฐ๋‘ฅ๊ณผ ์ด ๊ธฐ๋‘ฅ์— ๊ฝ‚์„ ์ˆ˜ ์žˆ๋Š” ํฌ๊ธฐ๊ฐ€ ๋‹ค์–‘ํ•œ ์›ํŒ๋“ค์ด ์žˆ๊ณ , ํผ์ฆ์„ ์‹œ์ž‘ํ•˜๊ธฐ ์ „์—๋Š” ํ•œ ๊ธฐ๋‘ฅ์— ์›ํŒ๋“ค์ด ์ž‘์€ ๊ฒƒ์ด ์œ„์— ์žˆ๋„๋ก ์ˆœ์„œ๋Œ€๋กœ ์Œ“์—ฌ ์žˆ๋‹ค.

๊ฒŒ์ž„์˜ ๋ชฉ์ ์€ ๋‹ค์Œ ๋‘ ๊ฐ€์ง€ ์กฐ๊ฑด์„ ๋งŒ์กฑ์‹œํ‚ค๋ฉด์„œ, ํ•œ ๊ธฐ๋‘ฅ์— ๊ฝ‚ํžŒ ์›ํŒ๋“ค์„ ๊ทธ ์ˆœ์„œ ๊ทธ๋Œ€๋กœ ๋‹ค๋ฅธ ๊ธฐ๋‘ฅ์œผ๋กœ ์˜ฎ๊ฒจ์„œ ๋‹ค์‹œ ์Œ“๋Š” ๊ฒƒ์ด๋‹ค.

  1. ํ•œ ๋ฒˆ์— ํ•˜๋‚˜์˜ ์›ํŒ๋งŒ ์˜ฎ๊ธธ ์ˆ˜ ์žˆ๋‹ค.
@loveqoo
loveqoo / javascript-safety-search-values.md
Last active October 21, 2016 06:11
์•ˆ์ „ํ•˜๊ฒŒ ๊ฐ์ฒด ๊ฐ’์„ ๊ฐ€์ ธ์˜ค๋Š” ๋ฐฉ๋ฒ•

๊ฐ์ฒด์˜ ํŠน์ • ๊ฐ’์„ ์•ˆ์ „ํ•˜๊ฒŒ ๊ฐ€์ ธ์˜ค๋Š” ํ•จ์ˆ˜๋ฅผ ๋งŒ๋“ค์—ˆ๋‹ค.

์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ์—์„œ ๊ฐ์ฒด์˜ ๊ฐ’์„ ์—๋Ÿฌ ์—†์ด ์•ˆ์ „ํ•˜๊ฒŒ ๊ฐ€์ ธ์˜ค๋Š” ๋ฐฉ๋ฒ•์ด ํ•„์š”ํ–ˆ๋‹ค.

person.name ์ฒ˜๋Ÿผ ๊ฐ„๋‹จํ•œ ํŒจ์Šค๋Š” ์‰ฝ๊ฒŒ ์œ ์ถ” ๊ฐ€๋Šฅํ•˜์ง€๋งŒ, ๊ทธ๋ ‡์ง€ ์•Š์€ ๊ฒฝ์šฐ๊ฐ€ ๋” ๋งŽ๋‹ค.

a.b.c.d.e.f.g.h.i.j.k ์ฒ˜๋Ÿผ ๊นŠ์€ ํŒจ์Šค์˜ ๋ฐ์ดํ„ฐ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์ด ๊ฐ„๋‹จํ•˜๊ฒŒ ๊ฐ€์ ธ์˜ฌ ์ˆ˜ ์žˆ์ง€๋งŒ, ๋งค๋ฒˆ ์ด๋ ‡๊ฒŒ ๋ฐ์ดํ„ฐ๋ฅผ ๊ฐ€์ ธ์˜ค๋Š” ๊ฒƒ์€ ๋ถˆํ•„์š”ํ•˜๊ณ  ์†Œ๋ชจ์ ์ด๋‹ค.

try {