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Seminar:ThePsychologyOfComputerProgrammingงก€ •ํ„ •ฆฌถฆฌค‘.

  • –ด–ค ข…ฅ˜˜ …ธ€?
  •  „ฐ˜ ธ ‚ดšฉ— Œ€ํ•œ ˆŒ€ & ตฌ„ฐฉ‹

  • žฅฅดตฌ„?
  • ‚ดšฉƒ˜ „ฅ˜
  • …  „ฒดํ„— Œ€ํ•œ abstraction
  • ฐœš”
  •  €ž€  œธฐํ•˜Š” งˆฌธ€? & …—„œ˜ Œ€‹ต€? ( + )

  • € จ žฃŒ งํฌ

  • ฝณ ‚œ ’ค˜ ‚˜˜ ƒฐ


~cpp 
Part 3 Programming as an individual activity

Comment on Part 3

My goal was 
	ํ”„กœทธž˜จธ“คด ทธ“ค˜ ž‘—…„ ํ•˜Š” ฐฉฒ•— Œ€ํ•œ —ฐตฌ ฒฉ ค
	ฐœธ ํ”„กœทธž˜จธ“ค˜ ‹ค ฅ„ ํ–ฅƒ‹œํ‚คŠ” ฒƒ— Œ€ํ•œ ดํ•ด ด‰„

	25…„ด €‚ฌ€งŒ, ํ”„กœทธž˜จธ ฐœธ€ ด „ณด‹ค ”  ํ•ฉํ•˜„ •ŠŒ. „ก ƒ‚ฐ„€ †’•„กŒ€งŒ.

Variations in the programming task

	Professional versus amateur programming

		Amateur
			žธฐž‹ ˜ ดšฉ„ œ„ํ•ด ž‘„
			try & error ‹œกœ  ‘. ํ”„กœทธž˜ฐ „ ฆฌ ƒฐํ•˜‚˜ จธฆฟ†œกœ ทธ คณด€ •ŠŒ
			ํ”„กœทธž˜ฐ ’ค— žŠ–ด„ฆฐ‹ค.
			–ด ค›€ด ‹ฅณค„•Œ, ฌธ œ žฒดงŒ„ ฒ˜ฆฌํ•˜ธฐ ›ํ•œ‹ค.
			ฌธ œ— Œ€ํ•ด„œงŒ ฐฐšด‹ค.
						

		Professional
			‹คฅธ ‚ฌžŒ“คด ดšฉํ•œ‹คŠ” ฒƒ„ ณ  ค
			ถ”ํ›„ €ํ™”˜Š” €„„ ํ™•ฆฝํ•˜‚˜, ŠคํŽ™„ ช…ํ™•ํ™”ํ•œ‹ค.
			ํŒจํ‚ค€—  €žฅํ•ด†“Š”‹ค.
			ฌธ œ žฒด •„งˆถ”–ดงŒํ ‹ฌฐํ•˜ฒŒ ณ ํ•˜€ •ŠŠ”‹ค.
			ฌธ œํ•ดฒฐฐฉฒ•„ ฐพŠ” —ฌŸฌ ฐฉฒ•“ค„ ธ‹ํ•˜ณ  žˆ‹ค. ฌธ œ ดํ•ดํ•˜ธฐ œ„ํ•œ ํ”„กœทธžจ„ €„ํ•˜ธฐ„ ํ•œ‹ค
			ํ”„กœทธž˜ฐ— Œ€ํ•ด ฐฐšด‹ค. (ฌธ œƒํ™ฉดž€ ทธ˜ ฐœฐœ  •ค‘ €ˆ˜ ธ “ค)
			
		
		exam) 2ฐจ ฐฉ •‹ ํ’€ด ˜ˆ
		
	What the programmer is trying to do
		case) ฆฌ ตˆ˜กœ€„ฐ ํ•ด‹ ฉ”ํŠธฆญŠค ฐ˜ „ํ•˜Š” ํ”„กœทธžจ ž‘„. ํ•œ ฐœฐœžŠ” (A) ญ”€ ฐฐšธ ˆ˜ žˆŠ” ข‹€ ธฐํšŒณ  ƒฐ, buffering „ ดšฉํ•˜—ฌ ฌธ œ ํ•ดฒฐํ•˜ คณ  ํ•จ.

		ฐฐ˜ ํ”„กœทธžจ—Š”   ˆํ•œ  ˆฒจด žˆ‹ค.

		„Šฅ : ํšจ

		case2) 4ฐœ˜ ํ”„กœทธž˜จธ ทธ— ํ•ด‹ „ งก€. 
			A : as efficient as possible		( ฅธ „Šฅ œ„)
			B : as short a time as possible		( ฅธ ฐœฐœ œ„)
		„ต :
			B ทธด จธ‹  ํƒ€ž„€ 2/5 ‚˜ 1/3  •„งŒ ดšฉ.
			B € ํํฌŠค—„œ A ณด‹ค 10ฐฐ Š.

			B - ฉ”†Œ“œ€ žฅ™ํ•˜€ •Ÿ„•Œ, ทธƒฅ drop ํ•ด„ฆฌณ  ‹คฅธ ฒƒœกœ ตฒด„.
			A - ฌธ œฐœƒ‹œ  ‘ฐฉฒ•„ ฐ”พธธฐ ‹ซ–ดํ•จ.(„Šฅ„ ํฌƒํ•ด• ํ• ฒƒด ƒฐํ•ด„)

			Šค€„ ˜ˆธก‹œ— ”ฐฅธ ฐจด

		ํŒŒํ‚จŠจ˜ ฒ•™ : ฆฌŠ” ํ• ‹œ ‹œ„„ „šธงŒํ Š˜–ด‚œ‹ค.

		'ชฉํ‘œ'กœ„œ˜ Šค€„€ 'ํ• ‹œ ‹œ„'— ˜ํ–ฅ„ „ ˆ˜ žˆ‹ค.

	Stages of programming work
		ํ”„กœทธž˜ฐ˜ ฐ €„— Œ€ํ•ด ™ํ•œ Šฅ ฅ ˆ˜ณ € ํ•„š”ํ•˜‹คณ  ƒฐํ•˜Š” ฒƒ„ ž˜ชปด‹ค.

		'„„, ํ”Œกœšฐ ‹คด–ดทธžจ ž‘„, ฝ””ฉ, ํ…ŒŠคํŒ…, „ํํŠธ' กœ „ฆฌํ•˜Š” ‚ฌณ Š” —ฌŸฌ ฉด—„œ ํ”„กœทธž˜ฐ„ ™œณก‹œํ‚จ‹ค.
			* ‹ค œ ˆœ„œ€ ณ  • ด€ •Š‹ค.
			* ชจ“   ˆฐจ“คด ํ•„š”ํ•˜„ •Š‹ค.
			* ˆœฐจ  ํ•„š”€ —†‹ค.

		šฐฆฌŠ” ดŸฌํ•œ ณตžกํ•œ ํ–‰œ„“ค„ ‹จˆœํ•œ ํ•˜‚˜กœ งŒ“ค–ด• ํ•œ‹ค.
		
		ํ”„กœทธž˜ฐ ํ”„กœ ํŠธ  •˜œ ‹จ„“คกœ „€ํ•˜ฒŒ ‚˜ˆŒ ˆ˜ žˆ€งŒ, ข‹€ •„ด””–ดŠ” •„‹ˆ‹ค.

		šฐฆฌŠ” ํ”„กœ ํŠธ˜ “ค„  •ฆฌํ•˜—ฌ ฐฐ˜ ‚ฌžŒ“คด ž‹ ด ž˜ํ•˜Š” ˜—ญ— Œ€ํ•ด„œกœ ํŠˆ˜ํ™”ํ•  ˆ˜ žˆ„ก ํ•  ˆ˜ žˆ€งŒ,  –ด„ ‘€€ ‹จ ด กดžฌํ•œ‹ค.
			* •„ฌด„ „ํํŠธ ž‘—…„ ํ•˜ คณ  ํ•˜€ •Š„ ฒƒด‹ค.
			* •„ฌด„ ทธ ‡ฒŒ ฐฐšธ ฒŒ —†‹ค.

		šฐฆฌŠ” ฐฐ˜ ํ”„กœทธž˜จธ“คด ž‹ ด ž˜ ชปํ•˜Š” ˜—ญ— Œ€ํ•ด ŠคํŽ˜…œฆฌŠคํŠธ€ ˜ฒŒ „ ํ• ‹ํ•จœกœ„œ ํ•™Šตฅ „ Œ€ํ™”ํ•  ˆ˜ žˆ‹ค. ˜ํ•œ, ทธ€ ฌธ œƒํ™ฉด ƒ„•Œ ฐ€ด ‹คฅธ ž‘—…œกœ ตฒดํ•  ˆ˜ žˆŠ” ธฐํšŒ €งˆ ˆ˜ žˆ‹ค.

		ํ”„กœทธž˜ฐ ํ”„กœ ํŠธ— Œ€ํ•œ  „ฒด ํ•œฐ”ํ€ Œณ  ‚œ’ค, ํ”„กœทธž˜จธ“คด ž‘—…ํ•˜Š” ” ˜ฌฐ”ฅธ ฐฉฒ•œกœ ž‘—…„ ‚˜ˆ„Š” ฒƒ„ ‹œ„ํ•œ‹ค.

		exam) ํ…ŒŠคํŒ… ‹จ„
			—Ÿฌ˜ กดžฌ ํƒ€ํ•œ‹ค.
			—Ÿฌ˜ œ„˜ ฐพ•„‚ธ‹ค.
			—Ÿฌ ˆ˜ •ํ•œ‹ค.
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