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์ „์ฒด๋ณด๊ธฐ (138)ํŒŒ์ด์ฌ(26)python(25)django(21)error(18)codekata(14)git(11)๋ฐฑ์ค€(10)project(9)CSS(7)์œ„์ฝ”๋“œ(7)model(7)๋ฌธ์ œ(7)์œ„์ฝ”๋“œ 34๊ธฐ(6)๋ฏธ๋‹ˆ ์ธ์Šคํƒ€๊ทธ๋žจ(6)API(6)ORM(5)Database(4)mysql(4)html(4)์‹œ๊ฐ„์ดˆ๊ณผ(4)github(3)class(3)package(3)watcha_classic(3)์ž์ฃผ ์‚ฌ์šฉํ•˜๋Š” ๋ช…๋ น์–ด(3)ํ„ฐ๋ฏธ๋„(3)terminal(3)Module(3)๋งž์™œํ‹€(3)try(3)์˜ค๋‹ต(3)CRUD(2)POST(2)์ดˆ๊ธฐ์„ธํŒ…(2)์ž๋ฃŒํ˜•(2)shell(2)bcrypt(2)๋งค๊ฐœ๋ณ€์ˆ˜(2)ํŒจํ‚ค์ง€(2)๋ชจ๋“ˆ(2)finally(2)except(2)validationError(2)QuerySet API(2)๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค(2)csv(2)end(2)ํด๋ž˜์Šค(2)linux(2)function parameters(2)์—ฐ์‚ฐ์ž(2)Migrate(2)JWT(2)web(2)๋ฆฌ๋ˆ…์Šค(2)position(2)variables(1)stdin(1)map ํ•จ์ˆ˜(1)arguments(1)๊ณต์‹ ์šฉ์–ด(1)dictionaly(1)input(1)๋ฐ์ฝ”๋ ˆ์ดํ„ฐ(1)sep(1)์–ธ๋”์Šค์ฝ”์–ด(1)JOIN(1)decorator(1)์ค‘์ฒฉํ•จ์ˆ˜(1)์›น(1)escape(1)while(1)๋„คํŠธ์›Œํฌ(1)๊ฐœ์ˆ˜ ์ œํ•œ(1)&&(1)์†Œ๋ฌธ์ž๋กœ(1)aggregate(1)Flexbox(1)๋ ˆ์ด์•„์›ƒ(1)์ถ”์ถœ(1)EOF(1)์ธ์ž ์ˆœ์„œ(1)๋Œ€๋ฌธ์ž๋กœ(1)์š”์•ฝ(1)ํšŒ๊ณ ๋ก(1)box-sizing(1)format(1)Foreignkey(1)loop(1)regex(1)Invalid Date(1)Panel(1)data type(1)fields(1)opp(1)select(1)font awesome(1)if๋ฌธ ํ•œ์ค„(1)์Šคํƒ€์ผ ๊ฐ€์ด๋“œ(1)๊ฐœ๋ฐœ์ž๋„๊ตฌ(1)์—ญ์ฐธ์กฐ(1)count(1)if๋ฌธ(1)์˜ˆ์™ธ์ฒ˜๋ฆฌ(1)update(1)block(1)remove(1)nested function(1)inline(1)์Šฌ๋ผ์ด์Šค(1)์˜ฌ๋ฐ”๋ฅธ ์˜ค๋ธŒ์ ํŠธ ์ด๋ฆ„์ด ์•„๋‹™๋‹ˆ๋‹ค: 'master'.(1)ํ…Œ์ŠคํŠธ ์ผ€์ด์Šค(1)meta(1)try except(1)display(1)aws(1)์ƒ์†(1)slice(1)semantic web(1)๋ณ€์ˆ˜(1)Q๊ฐ์ฒด(1)Map(1)get_or_created(1)postman(1)URLconf(1)does not have a commit checked out(1)๊ฐ์ฒด ์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ(1)์ด์Šค์ผ€์ดํ”„(1)ValueError(1).gitignore(1)annotate(1)sys(1)hover ๋‹ค๋ฅธ ํƒœ๊ทธ(1)manage.py(1)Cannot use None as a query value(1)hover(1)scope(1)syntaxerror(1)Cannot truncate a table referenced in a foreign key constraint(1)migration(1)์ •๊ทœํ‘œํ˜„์‹(1)์ธ์ฆ(1)Object of type QuerySet is not JSON serializable(1)end-of-file(1)refactoring(1)semantic tag(1)data types(1)DataError(1)sql(1)ํŒจ๋„(1)COALESCE(1)GET(1)LOWER(1)์‚ฐ์ˆ ์—ฐ์‚ฐ(1)UPPER(1)restful api(1)request.get(1)List(1)http(1)Box Model(1)์œ„์ฝ”๋“œ34๊ธฐ(1)๋ฌดํ•œ์Šคํฌ๋กค(1)์ด์Šค์ผ€์ดํ”„ ๋ฌธ์ž(1)SystemCheckError(1)User matching query does not exist(1)http: error: argument REQUEST_ITEM: not a valid value(1)First-class Function(1)ssl(1)๋”•์…”๋„ˆ๋ฆฌ(1)decimal(1)validation(1)No module named django(1)non-fast-forward(1)์‹œ๋ฉ˜ํ‹ฑ ์›น(1)์‹œ๋ฉ˜ํ‹ฑ ํƒœ๊ทธ(1)closure function(1)views(1)datatype(1)
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ValueError: Cannot use None as a query value

ย  ๋ฐ˜ํ™˜ ๊ฐ’์ด ์—†์„ ๋•Œ None์ด ๋ฐ˜ํ™˜๋˜๋ฉด ๋‚˜์˜ค๋Š” ์˜ค๋ฅ˜ย  ํ•ด๊ฒฐ(feat. Coalesce).

COALESCECannot use None as a query valueValueErrorerror
์•ฝ 3์‹œ๊ฐ„ ์ „
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[TIL]Software Testing

์ œ๋Œ€๋กœ ๋œ ์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ๊ฐœ๋ฐœํ–ˆ๋Š”๊ฐ€?์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ์ œ๋Œ€๋กœ ๊ฐœ๋ฐœํ–ˆ๋Š”๊ฐ€?

์•ฝ 12์‹œ๊ฐ„ ์ „
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0๊ฐœ์˜ ๋Œ“๊ธ€
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[ORM]์—ญ์ฐธ์กฐ ๋ฐ์ดํ„ฐ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ

์—ญ์ฐธ์กฐ ๋ฐ์ดํ„ฐ๋Š” QuerySet์œผ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ˜ํ™˜ํ•  ์ˆ˜ ์—†๋‹ค.

ORM์—ญ์ฐธ์กฐ
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[ORM]์ง‘๊ณ„ํ•จ์ˆ˜ ์‚ฌ์šฉ๋ฒ•(feat. aggregate, annotate)

aggregate, annotate ์‹ค์Šต

ORMaggregateannotate
์–ด์ œ
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[ORM]OR ์กฐ๊ฑด์œผ๋กœ ๋ฐ์ดํ„ฐ ๋ถ„๋ฅ˜

Q๊ฐ์ฒด ์‚ฌ์šฉ ๋ฐฉ๋ฒ•

Q๊ฐ์ฒดdjangorequest.get๋ฌดํ•œ์Šคํฌ๋กค
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[ORM]get_or_created

ย  ๋ณด๊ณ ์‹ถ์–ด์š” ๋ฒ„ํŠผ์„ ํด๋ฆญ ํ–ˆ์„ ๋•Œ, ์ด๋ฏธ ๋ณด๊ณ ์‹ถ์–ด์š”๊ฐ€ ๋˜์–ด์žˆ์œผ๋ฉด ๋ฐ์ดํ„ฐ ์‚ญ์ œ, ์—†์œผ๋ฉด ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๋„๋ก ํ•  ์ˆ˜ ์žˆ๋‹ค.ย 

ORMget_or_created
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0๊ฐœ์˜ ๋Œ“๊ธ€
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์œ„์ฝ”๋“œ 7์ฃผ์ฐจ: 2st Project(1)

2์ฐจ ํ”„๋กœ์ ํŠธ: ๋งˆ์ด๋ฆฌ์–ผํŠธ๋ฆฝ

์œ„์ฝ”๋“œ์œ„์ฝ”๋“œ 34๊ธฐ
4์ผ ์ „
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์ฒซ ํ”„๋กœ์ ํŠธ ํšŒ๊ณ 

์™“์ฑ ํ”ผ๋””์•„ ํด๋ก  ์ฝ”๋”ฉ ํšŒ๊ณ ๋ก

ํšŒ๊ณ ๋ก
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์™“์ฑ ํ”ผ๋””์•„ ํด๋ก  ์ฝ”๋”ฉโ‘ฃAPI-Watchlist

ํด๋ž˜์‹ ์˜ํ™” ๋ชจ์Œ ์‚ฌ์ดํŠธ

djangoprojectwatcha_classic
4์ผ ์ „
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์™“์ฑ ํ”ผ๋””์•„ ํด๋ก  ์ฝ”๋”ฉโ‘ขAPI-Films

ํด๋ž˜์‹ ์˜ํ™” ๋ชจ์Œ ์‚ฌ์ดํŠธ

4์ผ ์ „
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์™“์ฑ ํ”ผ๋””์•„ ํด๋ก  ์ฝ”๋”ฉโ‘กAPI-Users

ํด๋ž˜์‹ ์˜ํ™” ๋ชจ์Œ ์‚ฌ์ดํŠธ

djangoprojectwatcha_classic
4์ผ ์ „
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0๊ฐœ์˜ ๋Œ“๊ธ€
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์™“์ฑ ํ”ผ๋””์•„ ํด๋ก  ์ฝ”๋”ฉโ‘ ์ƒ์†&๋ฐ์ฝ”๋ ˆ์ดํ„ฐ

ํด๋ž˜์‹ ์˜ํ™” ๋ชจ์Œ ์‚ฌ์ดํŠธ

djangoprojectwatcha_classic
4์ผ ์ „
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0๊ฐœ์˜ ๋Œ“๊ธ€
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[AWS]์›น์„œ๋น„์Šค ๋ฐฐํฌ

ํด๋ผ์šฐ๋“œ ์„œ๋น„์Šค๋Š” ์œ ์ €๊ฐ€ ์ง์ ‘ ์„œ๋ฒ„๋ฅผ ๊ตฌ์ž…ํ•˜๊ณ  ์„ค์น˜ํ•  ํ•„์š” ์—†์ด AWS์ƒ์—์„œ ํด๋ฆญ ๋ช‡๋ฒˆ์œผ๋กœ ์„œ๋ฒ„๋ฅผ ๊ตฌ์ถ•ํ•˜๊ณ  ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.

aws
2022๋…„ 6์›” 30์ผ
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[VIEW]Code Refactoring

Code Refactoring

APIrefactoring
2022๋…„ 6์›” 28์ผ
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[MYSQL]UPDATE: ์ˆ˜์ •

ย  films_actors ํ…Œ์ด๋ธ”์˜ 57๋ฒˆ ํ•„๋“œ ๊ฐ’ ์ค‘ actor_id๋Š” 34๋ฒˆ๊นŒ์ง€๋ฐ–์— ์—†๋Š”๋ฐ 35๋ฒˆ์œผ๋กœ ๋˜์–ด์žˆ๋‹ค. 34๋ฒˆ์œผ๋กœ ์ˆ˜์ •.

mysqlupdate
2022๋…„ 6์›” 28์ผ
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[SHELL]Object of type QuerySet is not JSON serializable

QuerySet์„ JSONํ™” ํ•˜๋ฉด ์ƒ๊ธฐ๋Š” error.

Object of type QuerySet is not JSON serializableerror
2022๋…„ 6์›” 28์ผ
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0๊ฐœ์˜ ๋Œ“๊ธ€
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[MYSQL]ForeignKey๋ฅผ ์ด์šฉํ•œ ๋ฐ์ดํ„ฐ ์ถ”์ถœ

film id๊ฐ€ 1์ธ ์˜ํ™”์˜ ํŠน์ • ๋ฐ์ดํ„ฐ ์ถ”์ถœ

Foreignkeymysql
2022๋…„ 6์›” 28์ผ
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[SHELL]release_date์—์„œ year ์ถ”์ถœ

1960๋…„๋Œ€ ์˜ํ™” ์ œ๋ชฉ๋งŒ ์ถ”์ถœํ•˜๊ธฐ

shell์ถ”์ถœ
2022๋…„ 6์›” 27์ผ
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[MYSQL]SELECT: ๋‘ ๊ฐœ ํ…Œ์ด๋ธ” JOIN

๋‘ ํ…Œ์ด๋ธ”์„ ์ด์šฉํ•œ ๋ฐ์ดํ„ฐ ์ถ”์ถœ

JOINselectsql
2022๋…„ 6์›” 27์ผ
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[CodeKata]Day16

์–‘์ˆ˜ N์„ ์ด์ง„๋ฒ•์œผ๋กœ ๋ฐ”๊ฟจ์„ ๋•Œ, ์—ฐ์†์œผ๋กœ ์ด์–ด์ง€๋Š” 0์˜ ๊ฐฏ์ˆ˜๊ฐ€ ๊ฐ€์žฅ ํฐ ๊ฐ’์„ returnํ•ด ์ฃผ์„ธ์š”.์ด์–ด์ง€๋Š” 0์€ 1๊ณผ 1์‚ฌ์ด์— ์žˆ๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•ฉ๋‹ˆ๋‹ค.

2022๋…„ 6์›” 27์ผ
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