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if & switch

July 16 2020

if ๊ฐ€์žฅ ์œ„ if ๊ตฌ๋ฌธ๋ถ€ํ„ฐ ์‹œ์ž‘ํ•ด ์กฐ๊ฑด์ด ์ถฉ์กฑ๋˜๋Š”์ง€ ์ปจ๋””์…˜ ์ฒดํฌ ๋А๋ฆฐ ์†๋„ if, else if ๊ฐ€ ๋งŽ์•„์งˆ์ˆ˜๋ก Assembly: CMP๋„ ๋งŽ์•„์ง ๋ฒ”์œ„ ์‹๋„ ์ฒดํฌ ๊ฐ€๋Šฅ

enum๊ณผ enum class

July 16 2020

enum๊ณผ enum class์˜ ์ฐจ์ด ๊ฐ’ ์ค‘๋ณต ์—๋Ÿฌ ์—ฌ๋ถ€

Shallow & Deep Copy

July 16 2020

Shallow Copy ๊ฐ์ฒด๋ฅผ ๋ณต์‚ฌํ•  ๋•Œ ์›๋ž˜๊ฐ’๊ณผ ๋ณต์‚ฌ๋œ ๊ฐ’์ด ๊ฐ™์€ ์ฐธ์กฐ๋ฅผ ๊ฐ€๋ฆฌํ‚ค๊ณ  ์žˆ๋Š” ๊ฒƒ ๊ฐ์ฒด์˜ โ€˜๊ฐ’โ€™๋งŒ ๋ณต์‚ฌ

lvalue์™€ rvalue

July 15 2020

Value Category ์ •์ฒด๋ฅผ ์•Œ ์ˆ˜ ์žˆ๋Š”๊ฐ€ ํ•ด๋‹น ์‹์ด ๋‹ค๋ฅธ ์‹๊ณผ ๊ฐ™์€ ๊ฒƒ์ธ์ง€ ์•„๋‹Œ์ง€ ๊ตฌ๋ถ„ํ•  ์ˆ˜ ์žˆ๋Š”๊ฐ€? ๋ณ€์ˆ˜ - ์ฃผ์†Œ๊ฐ’์„ ํ†ตํ•ด ๊ตฌ๋ถ„ ํ•จ์ˆ˜ - ์ด๋ฆ„์œผ๋กœ ๊ตฌ๋ถ„ ์ด๋™ ์‹œํ‚ฌ ์ˆ˜ ์žˆ๋Š”๊ฐ€ ํ•ด๋‹น ์‹์„ ์•ˆ์ „ํ•˜๊ฒŒ ๋‹ค๋ฅธ ๊ณณ์œผ๋กœ ์ด๋™ํ•  ์ˆ˜ ์žˆ๋Š”๊ฐ€? ์ด๋™ ์ƒ์„ฑ์ž, ์ด๋™ ๋Œ€์ž…...

const & volatile ํ‚ค์›Œ๋“œ

July 15 2020

Read-Only ๋ณ€์ˆ˜์˜ ๊ฐ’์„ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์—†๋‹ค ๋ฉ”์„œ๋“œ์—์„œ ํด๋ž˜์Šค์˜ ๋ฉค๋ฒ„ ๋ณ€์ˆ˜๋ฅผ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์—†๋‹ค

static ํ‚ค์›Œ๋“œ

July 14 2020

ํ•จ์ˆ˜์˜ static ๋ณ€์ˆ˜ ํ•จ์ˆ˜ ์•ˆ์—์„œ ์„ ์–ธ๋œ static ๋ณ€์ˆ˜ ๊ฐ’์ด ๊ณ ์ •๋จ multi-thread hardware interrupt timer

C์™€ C++ ์ฐจ์ด ๋ช‡ ๊ฐ€์ง€

July 14 2020

C์˜ malloc๊ณผ C++ new์˜ ์ฐจ์ด malloc malloc์€ ํ•จ์ˆ˜(function) ํ• ๋‹นํ•  ๋ฉ”๋ชจ๋ฆฌ์˜ ์‚ฌ์ด์ฆˆ๋ฅผ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ๋ฐ›์Œsize as input header file์„ ํฌํ•จ์‹œ์ผœ์•ผ ํ•จ ์‹ค ์‚ฌ์šฉํ•  ํƒ€์ž…์œผ๋กœ casting ํ•„์š” ๋ฉ”๋ชจ๋ฆฌ ์ฒญํฌ๋งŒ heap์—์„œ ๋ฐ›...