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TIL
  • README
  • Git
    • Basic
    • Remote Repository
    • Log & Diff
    • Rebase&Cherri-Pick
    • git-flow
  • DevOps
    • Monolithic vs MSA
    • Jenkins ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Airflow ์‹œ์ž‘ํ•˜๊ธฐ
    • Build Tools
      • maven
  • ๊ฐœ๋ฐœ ๋ฐฉ๋ฒ•๋ก 
    • TDD
  • Spring
    • IoC
    • Is Spring Bean Thread-Safe?
    • Spring Singleton
    • Component Scan
    • Spring Annotation
    • ์˜์กด ๊ด€๊ณ„ ์ฃผ์ž…(DI)
    • Lombok ํ™œ์šฉํ•˜๊ธฐ
    • Bean ์ƒ๋ช…์ฃผ๊ธฐ์™€ ์ฝœ๋ฐฑ
    • Bean Scope
    • AOP(1) - AOP๋ž€
    • AOP(2) - Aop Proxy
    • AOP(3) - Dynamic Proxy
    • AOP(4) - AspectJ
    • POJO
    • Spring ์„œ๋น„์Šค ๊ตฌ์กฐ
    • Transaction
    • JPA๋ž€?
    • JPA Entity
    • Spring Data JPA
    • Spring Data Specification
    • Model Mapping
    • Cache
    • restTemplate
    • YAML ํŒŒ์ผ ์„ค์ •
    • Spring Boot
      • H2 DB ์„ค์ •
      • ๋‹ค์ค‘ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์„ค์ •
      • Mybatis ์—ฐ๋™ํ•˜๊ธฐ
    • Spring Batch
      • Batch ์‹œ์ž‘ํ•ด๋ณด๊ธฐ
      • Batch Job Flow
      • Job
      • Step
      • Batch Scope & Job Parameter
      • JobRepository์™€ ๋ฉ”ํƒ€ํ…Œ์ด๋ธ”
      • Chunk ์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ
      • ItemReader
      • ItemProcessor
      • ItemWriter
      • Batch Schedular
      • Job๋ณ„ Bean๋“ฑ๋กํ•˜๊ธฐ
      • Batch ๊ตฌํ˜„์‹œ ๋ฐœ์ƒํ•œ ์˜ค๋ฅ˜ ์ •๋ฆฌ
      • Spring Batch Scaling
        • Multithread Job๊ตฌํ˜„์‹œ ์ด์Šˆ์‚ฌํ•ญ
    • Spring test
      • Junit5
        • ํ…Œ์ŠคํŠธ ์ด๋ฆ„ ํ‘œ๊ธฐ
        • ํ…Œ์ŠคํŠธ ๊ทธ๋ฃน ์‚ฌ์ด์˜ ๊ด€๊ณ„
        • ํƒœ๊ทธ์™€ ํ•„ํ„ฐ๋ง
        • ๋™์  ํ…Œ์ŠคํŠธ
        • ํ…Œ์ŠคํŠธ LifeCycle
        • ํ…Œ์ŠคํŠธ ๋ฉ”์„œ๋“œ
        • ํ…Œ์ŠคํŠธ ์ˆœ์„œ
        • AssertJ
        • ํ…Œ์ŠคํŠธ ๋ณ‘๋ ฌ ์‹คํ–‰
        • AssertJ
        • Mock
      • Spring Boot Test DB ๋ถ„๋ฆฌ
      • Spring Batch Test
  • Web Application
    • Web Server & WAS
    • ๊ด€๋ จ ๊ฐœ๋… - HTTP API, HTML, CSR, SSR
    • Servlet
    • JSP
    • Cookie And Session
    • ์˜ˆ์™ธํŽ˜์ด์ง€
    • Java Bean
    • JDBC
    • Connection Pool
    • ํŒŒ์ผ ์—…๋กœ๋“œ
    • Expression Language
    • JSTL
    • FrontControllerํŒจํ„ด Command ํŒจํ„ด
    • Forwarding
    • MVC
    • ํšŒ์›๊ฐ€์ž…์˜ˆ์ œ
    • ์ฐธ๊ณ 
      • ๊ฐœ๋ฐœํ™˜๊ฒฝ์„ค์ •
  • Java+
    • SOAP/WSDL vs REST
    • WSDL์„ JAVA๋กœ ๋ณ€ํ™˜ํ•˜๊ธฐ
    • SOAP ํ†ต์‹  OPEN API๋กœ ๊ฐœ๋ฐœํ•ด๋ณด๊ธฐ
  • Java
    • Basic
      • ๋ณ€์ˆ˜์™€ ํƒ€์ž…
      • ์—ฐ์‚ฐ์ž
      • ์กฐ๊ฑด๋ฌธ๊ณผ ๋ฐ˜๋ณต๋ฌธ
      • ์ฐธ์กฐ ํƒ€์ž…
      • ํด๋ž˜์Šค
      • ์ƒ์†(Inheritance)
      • ์ธํ„ฐํŽ˜์ด์Šค(Interface)
      • ์ค‘์ฒฉ ํด๋ž˜์Šค์™€ ์ค‘์ฒฉ ์ธํ„ฐํŽ˜์ด์Šค
      • ์˜ˆ์™ธ ์ฒ˜๋ฆฌ
      • API - Object, System, Class, Math, Wrapper
      • API - String, StringBuffer, StringBuilder
      • Thread
      • Generic
      • Lambda
      • Collection - List, Set
      • Collection - Map
      • Collection - Tree
      • Collection - Stack, Queue
      • Stream
      • Reflection
      • ์ •๊ทœํ‘œํ˜„์‹
      • GUI
      • UML
      • Serializable
    • Advanced
      • OutOfMemoryError
      • AutoValue
      • meta-annotation
        • @Retention
        • @Target
        • @Repeatable
    • Effective Java 3/E
      • ITEM 1: Static Factory Method(์ •์  ๋ฉ”์†Œ๋“œ)
      • ITEM 2: Builder Pattern
      • ITEM 3: Singleton
      • ITEM 4: Private Constructor
      • ITEM 5: Dependency Injection
      • ITEM 6: Avoid Unnecessary Object
      • ITEM 7: Eliminate Object Reference
      • ITEM 8: Avoid finalizer and cleaner
      • ITEM 9: try-with-resources
      • ITEM 10: The gerneral contract when overriding equlas
      • ITEM 11: Overriding hashCode
      • ITEM 12: overriding toString
      • ITEM 13: overriding clone judiciously
      • ITEM 14: Consider implementing comparable
      • ITEM 15: ํด๋ž˜์Šค์™€ ๋ฉค๋ฒ„์˜ ์ ‘๊ทผ์„ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 16: Use Accessor methods
      • ITEM 17: ๋ณ€๊ฒฝ ๊ฐ€๋Šฅ์„ฑ์„ ์ตœ์†Œํ™”ํ•ด๋ผ(๋ถˆ๋ณ€ ํด๋ž˜์Šค)
      • ITEM 18: ์ƒ์†๋ณด๋‹จ ์ปดํฌ์ง€์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 19: ์ƒ์†์„ ๊ณ ๋ คํ•ด ์„ค๊ณ„ํ•˜๊ณ  ๋ฌธ์„œํ™”ํ•ด๋ผ
      • ITEM 20: ์ถ”์ƒ ํด๋ž˜์Šค๋ณด๋‹ค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์šฐ์„ ํ•˜๋ผ
      • ITEM 21: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ๊ตฌํ˜„ํ•˜๋Š” ์ชฝ์„ ์ƒ๊ฐํ•ด ์„ค๊ณ„ํ•ด๋ผ.
      • ITEM 22: ์ธํ„ฐํŽ˜์ด์Šค๋Š” ํƒ€์ž…์„ ์ •์˜ํ•˜๋Š” ์šฉ๋„๋กœ๋งŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 23: ํƒœ๊ทธ ๋‹ฌ๋ฆฐ ํด๋ž˜์Šค๋ณด๋‹ค ํด๋ž˜์Šค ๊ณ„์ธต๊ตฌ์กฐ๋ฅผ ํ™œ์šฉํ•ด๋ผ
      • ITEM 24: ๋ฉค๋ฒ„ ํด๋ž˜์Šค๋Š” ๋˜๋„๋ก static์œผ๋กœ ๊ตฌํ˜„ํ•ด๋ผ
      • ITEM 25: ํ†ฑ๋ ˆ๋ฒจ ํด๋ž˜์Šค๋Š” ํ•œ ํŒŒ์ผ์— ํ•˜๋‚˜๋งŒ ์ƒ์„ฑํ•ด๋ผ.
      • ITEM 26: Raw type์€ ์‚ฌ์šฉํ•˜์ง€ ๋งˆ๋ผ
      • ITEM 27: ๋น„๊ฒ€์‚ฌ ๊ฒฝ๊ณ ๋ฅผ ์ œ๊ฑฐํ•ด๋ผ
      • ITEM 28: ๋ฐฐ์—ด๋ณด๋‹ค๋Š” ๋ฆฌ์ŠคํŠธ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 29: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ํƒ€์ž…์œผ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 30: ์ด์™•์ด๋ฉด ์ œ๋„ค๋ฆญ ๋ฉ”์„œ๋“œ๋กœ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 31 : ํ•œ์ •์  ์™€์ผ๋“œ์นด๋“œ๋ฅผ ์‚ฌ์šฉํ•ด API ์œ ์—ฐ์„ฑ์„ ๋†’์—ฌ๋ผ
      • ITEM 32: ์ œ๋„ค๋ฆญ๊ณผ ๊ฐ€๋ณ€์ธ์ˆ˜๋ฅผ ํ•จ๊ป˜ ์“ธ ๋•Œ๋Š” ์‹ ์ค‘ํ•ด๋ผ
      • ITEM 33: ํƒ€์ž… ์•ˆ์ „ ์ด์ข… ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๊ณ ๋ คํ•ด๋ผ
      • ITEM 34: int ์ƒ์ˆ˜ ๋Œ€์‹  ์—ด๊ฑฐ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 35: ordinal ๋ฉ”์„œ๋“œ ๋Œ€์‹  ์ธ์Šคํ„ด์Šค ํ•„๋“œ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 36: ๋น„ํŠธ ํ•„๋“œ ๋Œ€์‹  EnumSet์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 37: ordinal ์ธ๋ฑ์‹ฑ ๋Œ€์‹  EnumMap์„ ์‚ฌ์šฉํ•ด๋ผ
      • TEM 38 : ํ™•์žฅํ•  ์ˆ˜ ์žˆ๋Š” ์—ด๊ฑฐํƒ€์ž…์ด ํ•„์š”ํ•˜๋ฉด ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 39: ๋ช…๋ช… ํŒจํ„ด๋ณด๋‹ค ์• ๋„ˆํ…Œ์ด์…˜์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 40: @Override ์–ด๋…ธํ…Œ์ด์…˜์„ ์ผ๊ด€๋˜๊ฒŒ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 41: ์ •์˜ํ•˜๋ ค๋Š” ๊ฒƒ์ด ํƒ€์ž…์ด๋ผ๋ฉด ๋งˆ์ปค ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 42: ์ต๋ช… ํด๋ž˜์Šค๋ณด๋‹ค๋Š” ๋žŒ๋‹ค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 43: ๋žŒ๋‹ค๋ณด๋‹ค๋Š” ๋ฉ”์„œ๋“œ ์ฐธ์กฐ๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 44: ํ‘œ์ค€ ํ•จ์ˆ˜ํ˜• ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 45: ์ŠคํŠธ๋ฆผ์€ ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 46: ์ŠคํŠธ๋ฆผ์—์„œ ๋ถ€์ž‘์šฉ ์—†๋Š” ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 47: ๋ฐ˜ํ™˜ ํƒ€์ž…์œผ๋กœ๋Š” ์ŠคํŠธ๋ฆผ๋ณด๋‹ค ์ปฌ๋ ‰์…˜์ด ๋‚ซ๋‹ค.
      • ITEM 48: ์ŠคํŠธ๋ฆผ ๋ณ‘๋ ฌํ™”๋Š” ์ฃผ์˜ํ•ด์„œ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 49: ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์œ ํšจํ•œ์ง€ ๊ฒ€์‚ฌํ•ด๋ผ
      • ITEM 50: ์ ์‹œ์— ๋ฐฉ์–ด์  ๋ณต์‚ฌ๋ณธ์„ ๋งŒ๋“ค์–ด๋ผ
      • ITEM 51: ๋ฉ”์„œ๋“œ ์‹œ๊ทธ๋‹ˆ์ฒ˜๋ฅผ ์‹ ์ค‘ํžˆ ์„ค๊ณ„ํ•ด๋ผ
      • ITEM 52: ๋‹ค์ค‘์ •์˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 53: ๊ฐ€๋ณ€์ธ์ˆ˜๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 54: null์ด ์•„๋‹Œ, ๋นˆ ์ปฌ๋ ‰์…˜์ด๋‚˜ ๋ฐฐ์—ด์„ ๋ฐ˜ํ™˜ํ•ด๋ผ
      • ITEM 55: Optional ๋ฐ˜ํ™˜์€ ์‹ ์ค‘ํ•˜๊ฒŒ ํ•ด๋ผ
      • ITEM 56: ๊ณต๊ฐœ๋œ API ์š”์†Œ์—๋Š” ํ•ญ์ƒ ์ฃผ์„์„ ์ž‘์„ฑํ•ด๋ผ
      • ITEM 57: ์ง€์—ญ๋ณ€์ˆ˜์˜ ๋ฒ”์œ„๋ฅผ ์ตœ์†Œํ™”ํ•ด๋ผ
      • ITEM 58: ์ „ํ†ต์ ์ธ for ๋ฌธ๋ณด๋‹ค๋Š” for-each๋ฌธ์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 59: ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ์ตํžˆ๊ณ  ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 60: ์ •ํ™•ํ•œ ๋‹ต์ด ํ•„์š”ํ•˜๋‹ค๋ฉด float์™€ double์€ ํ”ผํ•ด๋ผ
      • ITEM 61: ๋ฐ•์‹ฑ๋œ ๊ธฐ๋ณธ ํƒ€์ž…๋ณด๋‹ค๋Š” ๊ธฐ๋ณธ ํƒ€์ž…์„ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 62: ๋‹ค๋ฅธ ํƒ€์ž…์ด ์ ์ ˆํ•˜๋‹ค๋ฉด ๋ฌธ์ž์—ด ์‚ฌ์šฉ์„ ํ”ผํ•ด๋ผ
      • ITEM 63: ๋ฌธ์ž์—ด ์—ฐ๊ฒฐ์€ ๋А๋ฆฌ๋‹ˆ ์ฃผ์˜ํ•ด๋ผ
      • ITEM 64: ๊ฐ์ฒด๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด ์ฐธ์กฐํ•ด๋ผ
      • ITEM 65: ๋ฆฌํ”Œ๋ ‰์…˜๋ณด๋‹ค๋Š” ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 66: ๋„ค์ดํ‹ฐ๋ธŒ ๋ฉ”์„œ๋“œ๋Š” ์‹ ์ค‘ํžˆ ์‚ฌ์šฉํ•ด๋ผ
      • ITEM 67: ์ตœ์ ํ™”๋Š” ์‹ ์ค‘ํžˆ ํ•ด๋ผ
      • ITEM 68: ์ผ๋ฐ˜์ ์œผ๋กœ ํ†ต์šฉ๋˜๋Š” ๋ช…๋ช… ๊ทœ์น™์„ ๋”ฐ๋ผ๋ผ
    • ๊ฐ์ฒด์ง€ํ–ฅ ์„ค๊ณ„ ์›์น™(SOLID)
    • ๋””์ž์ธํŒจํ„ด
      • Strategy Pattern
      • Template Method Pattern
      • Factory Method Pattern
      • Singleton
      • Delegation
      • Proxy
      • Adapter Pattern
    • ์‹ค์Šต
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Vehicle
      • ์ธํ„ฐํŽ˜์ด์Šค ์‹ค์Šต - Remote
      • GUI ์‹ค์Šต - Calculator
      • GUI ์‹ค์Šต - button
      • GUI ์‹ค์Šต - lotto
      • Thread ์‹ค์Šต - ์ขŒ์„์˜ˆ์•ฝ, ๋ฉ”์„ธ์ง€๋ณด๋‚ด๊ธฐ
    • Jar vs War
  • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
    • KEY
    • Index
    • Transaction
    • Trigger
    • Procedure / Function
    • Package
    • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋ฐฐ์›€ํ„ฐ
      • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์‹œ์Šคํ…œ
      • ๊ด€๊ณ„๋ฐ์ดํ„ฐ ๋ชจ๋ธ
      • ๊ด€๊ณ„๋Œ€์ˆ˜์™€ SQL
    • MySQL
      • Database๋ž€
      • MySQL ์‹œ์ž‘ํ•˜๊ธฐ
      • MySQL Database
      • MySQL Table
      • CRUD
      • ๊ด€๊ณ„ํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
      • Server์™€ Client
    • PostgreSQL
    • NoSQL
      • Install Cassandra on mac
      • Cassandra๋ž€?
      • NiFi๋ž€
  • Algorithm
    • String
    • Recursion
    • Dynamic Programming
    • Array, Struct, Pointer
    • Math
    • Sort
    • List
    • Stack
    • Queue
    • Graph
    • Tree
    • Maze
    • AVL
    • ์ด์ง„ํƒ์ƒ‰ํŠธ๋ฆฌ(Binary Search Tree)
    • DFS์™€ BFS
    • ๋‹ค์ต์ŠคํŠธ๋ผ ์•Œ๊ณ ๋ฆฌ์ฆ˜(Dijkstra's Algorithm)
    • Red-Black ํŠธ๋ฆฌ
    • A* ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • Heap
    • Huffman Coding
    • Priority Queue
    • Bellman-Ford ์•Œ๊ณ ๋ฆฌ์ฆ˜
    • C++
      • Class
      • STL
        • STL pair
        • STL Container - Associate Container
        • STL Container - Sequence Container
        • STL Container - Container Adapter
  • JavaScript
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  • Strong Parameter
  • Filter
  • before & after filter(์ „,ํ›„ ์ฒ˜๋ฆฌ)
  • around filter(์ „ํ›„์ฒ˜๋ฆฌ ํ•œ๋ฒˆ์—)
  • filter ์ ์šฉ ๋ฒ”์œ„ ์ง€์ •
  • Resource
  • 1. constraints(๋ผ์šฐํŠธ ๋งค๊ฐœ๋ณ€์ˆ˜ ์ œ์•ฝ์กฐ๊ฑด)
  • 2. ์ œ์•ฝ ํด๋ž˜์Šค ์ •์˜(๋ณต์žกํ•œ ์ œ์•ฝ์กฐ๊ฑด)
  • 3. format(form ๋งค๊ฐœ๋ณ€์ˆ˜์ œ๊ฑฐ)
  • 4. controller & as(์ปจํŠธ๋กค๋Ÿฌ ํด๋ž˜์Šค,url ํ—ฌํผ ์ด๋ฆ„์ˆ˜์ •)
  • 5. namespace & scope (๋ชจ๋“ˆ ๋‚ด๋ถ€ ์ปจํŠธ๋กค๋Ÿฌ ๋งตํ•‘)
  • 6. collection & member(RESTful ์ธํ„ฐํŽ˜์ด์Šค์— ์•ก์…˜์ถ”๊ฐ€)
  • 7. only & except
  • 8. resources ์ค‘์ฒฉ

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  1. Ruby on Rails

Controller

Strong Parameter

:๋Œ€๋Ÿ‰ ํ• ๋‹น ์ทจ์•ฝ์„ฑ์— ๋Œ€ํ•œ ํ™”์ดํŠธ ๋ฆฌ์ŠคํŠธ ๋Œ€์ฑ… ๋ฐฉ๋ฒ•์ด๋‹ค.

๋Œ€๋Ÿ‰ ํ• ๋‹น ์ทจ์•ฝ์„ฑ : ์•…์˜์ ์ธ ์‚ฌ์šฉ์ž๊ฐ€ ์ž์‹ ์˜ ๊ณ„์ •์— ๊ด€๋ฆฌ์ž ๊ถŒํ•œ์„ ๋ถ€์—ฌํ•ด ์‹œ์Šคํ…œ์„ ์กฐ์ž‘ํ•  ์œ„ํ—˜์ด ์žˆ์Œ.

params.require(model).permit(attr, ...)
# model:๋ชจ๋ธ์ด๋ฆ„
# attr : ์ถ”์ถœ์„ ํ—ˆ๊ฐ€ํ•  ํ•„๋“œ ์ด๋ฆ„.
  • require ๋ฉ”์„œ๋“œ๋Š” ์ง€์ •๋œ ๋ชจ๋ธ์˜ ํ‚ค๊ฐ€ ์กด์žฌํ•˜๋Š”์ง€ ํ™•์ธ ํ›„ ์กด์žฌํ•˜๋ฉด ํ•ด๋‹น ๊ฐ’๋“ค์„ ๋ฆฌํ„ดํ•˜๊ณ , ์กด์žฌํ•˜์ง€ ์•Š์œผ๋ฉด ActionController::ParameterMissing ์˜ˆ์™ธ๊ฐ€ ๋ฐœ์ƒํ•œ๋‹ค.

  • permit๋ฉ”์„œ๋“œ๋Š” ๋ชจ๋ธ์— ์ผ๊ด„์ ์œผ๋กœ ์ถ”๊ฐ€ํ•  ์†์„ฑ๋“ค์„ ํ—ˆ๊ฐ€ํ•˜๋Š” ๋ฉ”์„œ๋“œ์ด๋‹ค. ๋ฆฌํ„ด๊ฐ’์œผ๋กœ ์ง€์ •๋œ ํ‚ค๋งŒ ํฌํ•จํ•˜๋Š” ํ•ด์‹œ๋ฅผ ๋ฆฌํ„ดํ•œ๋‹ค.

#scaffolding
def create
    @book=Book.new(book_params)
end

private

def book_params
    params.require(:book).permit(:isbn,:title,:price)
end

์ด๋ ‡๊ฒŒ Strong Parameters๋Š” ํ•œ๊บผ๋ฒˆ์— ์ž…๋ ฅํ•  ์ˆ˜ ์žˆ๋Š” ์†์„ฑ๋“ค์„ ํ•„ํ„ฐ๋งํ•˜๋ฏ€๋กœ ์•…์˜์ ์ธ ์‚ฌ์šฉ์ž๊ฐ€ ๊ฐ’์„ ์ž„์˜๋กœ ๋„ฃ๋Š” ๊ฒƒ์„ ๋ฏธ์—ฐ์— ๋ฐฉ์ง€ ํ•  ์ˆ˜ ์žˆ๋‹ค.

Filter

: ์•ก์…˜ ๋ฉ”์„œ๋“œ๊ฐ€ ์‹คํ–‰๋˜๊ธฐ ์ด์ „๊ณผ ์ดํ›„์— ๋ถ€๊ฐ€ ์ฒ˜๋ฆฌ๋ฅผ ์œ„ํ•ด์„œ ์‚ฌ์šฉํ•œ๋‹ค. ์ปจํŠธ๋กค๋Ÿฌ ์ „์ฒด์— ์ ์šฉ๋œ๋‹ค.

before & after filter(์ „,ํ›„ ์ฒ˜๋ฆฌ)

before_action :method[, ...]
after_action :method[, ...]

around filter(์ „ํ›„์ฒ˜๋ฆฌ ํ•œ๋ฒˆ์—)

around_action :method[, ...]
# example
    around_action :around_logger

    def index
        sleep3
        render text: 'index ์•ก์…˜์‹คํ–‰'
    end

    private

    def around_logger
        logger.debug('[Start1]'+Time.now.to_s)
        yield #์•ก์…˜์„ ์‹คํ–‰
        logger.debug('[Finish1]'+Time.now.to_s)
    end
end

filter ์ ์šฉ ๋ฒ”์œ„ ์ง€์ •

: ํ•„ํ„ฐ๋Š” ํ•ด๋‹น ์ปจํŠธ๋กค๋Ÿฌ + ํŒŒ์ƒ๋œ ์ปจํŠธ๋กค๋Ÿฌ๋  ์ ์šฉ๋œ๋‹ค.

only์™€ except ์˜ต์…˜( ํ•„ํ„ฐ ์ ์šฉ๋ฒ”์œ„ ์ œํ•œ)

# example
before_action :start_logger, only: [:index, index2]
after_action :end_logger, except :index

only๋Š” ์ง€์ •ํ•œ ์•ก์…˜์—๋งŒ ํ•„ํ„ฐ๋ฅผ ์ ์šฉ, except์˜ต์…˜์€ ์ง€์ •๋œ ์•ก์…˜์— ํ•„ํ„ฐ ์ ์šฉ์„ ์ œ์™ธ.

์ด ์˜ต์…˜๋“ค์€ ์ตœ๋Œ€ํ•œ ์ ๊ฒŒ ์‚ฌ์šฉํ•  ๊ฒƒ์„ ๊ถŒ์žฅํ•œ๋‹ค. ๋งŽ์ด ์‚ฌ์šฉํ•˜๊ฒŒ๋˜๋ฉด ์ฝ”๋“œ์˜ ๊ฐ€๋…์„ฑ์ด ๋–จ์–ด์ง€๊ณ  ๋””๋ฒ„๊ทธํ•  ๋•Œ๋„ ๋ฌธ์ œ๋ฅผ ์ฐพ๊ธฐ ํž˜๋“ค์–ด์ง„๋‹ค. ๊ทธ๋Ÿฌ๋ฏ€๋กœ ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“  ์•ก์…˜์— ๊ณตํ†ต์ ์œผ๋กœ ์ ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๋ถ€๋ถ„์€ ์ตœ๋Œ€ํ•œ ํ•„ํ„ฐ๋กœ ์ ์šฉํ•˜๊ณ , ๋‹ค๋ฅธ ๋ถ€๋ถ„์€ ๊ฒ€ํ† ํ•ด๋ผ.

skip_xxxxx_action (์ƒ์†ํ•œ ํ•„ํ„ฐ๋ฅผ ์ œ์™ธ)

# before, after, around๋กœ ์ ์šฉ๋œ ๋ชจ๋“  ํ•„ํ„ฐ์ œ๊ฑฐ
skip_action_callback :my_logging
# ํŠน์ •ํ•œ ํ•„ํ„ฐ์ œ๊ฑฐ xxxxx๋ถ€๋ถ„์— before,after,around์ค‘ํ•˜๋‚˜!
skip_before_action :my_logging

Resource

: CRUD ํ•  ์ˆ˜ ์žˆ๋Š” ์ •๋ณด๋ผ๊ณ  ์ƒ๊ฐํ•˜๋ฉด ์ข‹๋‹ค.

#routes.rb
resources :name [, ...]
resource :name [, ...]

resources๋Š” ์—ฌ๋Ÿฌ๊ฐœ์˜ ๋ฆฌ์†Œ์Šค๋ฅผ ๊ด€๋ฆฌํ•˜๋Š” RESTful ์ธํ„ฐํŽ˜์ด์Šค ์ƒ์„ฑ, resource๋Š” ํ•˜๋‚˜์˜ ๋ฆฌ์†Œ์Šค๋ฅผ ๊ด€๋ฆฌํ•˜๋Š” interface์ƒ์„ฑ! ์ด๋•Œ ์ฐจ์ด์ ์€ resource๋Š” index์•ก์…˜์ด ์ •์˜๋˜์ง€ ์•Š์•˜์œผ๋ฏ€๋กœ, show,edit,delete์—์„œ :id๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ๋ฐ›์ง€ ์•Š๋Š”๋‹ค.

1. constraints(๋ผ์šฐํŠธ ๋งค๊ฐœ๋ณ€์ˆ˜ ์ œ์•ฝ์กฐ๊ฑด)

:id์˜ ๋ผ์šฐํŠธ ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ํฌํ•จ์ด ๋˜์–ด์žˆ์„๋•Œ ๋ชจ๋“  ๊ฐ’์„ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ์ง€๋งŒ, ์–ด๋–ค ๊ฐ’์ด ์ „๋‹ฌ๋  ์ง€๋ฅผ ๋ฏธ๋ฆฌ ์•Œ๊ณ  ์žˆ๋‹ค๋ฉด ์–ด๋А์ •๋„ ์ œํ•œ์„ ๊ฑธ์–ด๋‘๋Š” ๊ฒƒ์ด ์ข‹๋‹ค.

# {<๋งค๊ฐœ๋ณ€์ˆ˜์ด๋ฆ„> : <์ •๊ทœํ‘œํ˜„์‹>}
resources :books, constraints: {id: /[0-9]{1,2}/}

2. ์ œ์•ฝ ํด๋ž˜์Šค ์ •์˜(๋ณต์žกํ•œ ์ œ์•ฝ์กฐ๊ฑด)

: ์ •๊ทœ ํ‘œํ˜„์‹๋งŒ์œผ๋กœ ํ‘œํ˜„ํ•  ์ˆ˜ ์—†๋Š” ๋ณต์žกํ•œ ์ œ์•ฝ ์กฐ๊ฑด์„ ์„ค์ •ํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด ์ œ์•ฝ ํด๋ž˜์Šค๋ฅผ ์‚ฌ์šฉํ•œ๋‹ค.

#TimeConstraint.rb
class TimeConstraint
    def matches?(request)
        current = Time.now
        current.hour >= 9 && current.hour < 18
    end
end

matches?๋ฉ”์„œ๋“œ๋ฅผ ๋งŒ๋“ค์–ด์ฃผ๋ฉด๋œ๋‹ค. ์ด๋•Œ ๋‘๊ฐ€์ง€ ๊ทœ์น™์„ ์ง€์ผœ์•ผํ•œ๋‹ค.

  • ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์š”์ฒญ์ •๋ณด(request ๊ฐ์ฒด)๋ฅผ ๋ฐ›์Œ

  • ๋ฆฌํ„ด ๊ฐ’์œผ๋กœ๋Š” ๋ผ์šฐํŠธ๋ฅผ ์œ ํšจํ™” ํ• ์ง€์— ๋Œ€ํ•œ true or false ๋ฆฌํ„ด

require 'TimeConstraint'

Railbook::Application.routes.draw do
    resources :books, constraint: TimeConstraint.new
end

3. format(form ๋งค๊ฐœ๋ณ€์ˆ˜์ œ๊ฑฐ)

resources :books,format: false

URLํŒจํ„ด์—์„œ format์ด ์ œ๊ฑฐ๋œ ๋ผ์šฐํŠธ๊ฐ€ ์ƒ์„ฑ๋œ๋‹ค.

4. controller & as(์ปจํŠธ๋กค๋Ÿฌ ํด๋ž˜์Šค,url ํ—ฌํผ ์ด๋ฆ„์ˆ˜์ •)

resources :users, controller: :members
# UsersController๋ฅผ MembersController์™€ ๋งคํ•‘
resources :reviews, as: :comments
# reviews_path๋ฅผ comments_path์˜ ์ด๋ฆ„์œผ๋กœ ํ—ฌํผ ์ƒ์„ฑ

5. namespace & scope (๋ชจ๋“ˆ ๋‚ด๋ถ€ ์ปจํŠธ๋กค๋Ÿฌ ๋งตํ•‘)

: ์ปจํŠธ๋กค๋Ÿฌ๋ฅผ ํด๋”๋กœ ์ •๋ฆฌํ•˜๊ณ  ์‹ถ์€ ๊ฒฝ์šฐ > rails generate controller Admin::Books๋ฅผ ํ•˜๋ฉด controllers/adminํด๋” ์•„๋ž˜์— books_controller๊ฐ€ ์ƒ์„ฑ๋œ๋‹ค. ์ด๋•Œ RESTful์„ ์ •์˜ํ•˜๋ ค๋ฉด

namespace :admin do
    resources :books
end

# ๋ชจ๋“ˆ์„ ์ธ์‹๋งŒ ํ•˜๊ณ  urlํŒจํ„ด๊ณผ ํ—ฌํผ์— ์˜ํ–ฅ์„ ์ฃผ๊ณ  ์‹ถ์ง€ ์•Š์€๊ฒฝ์šฐ
scope module: :admin do
    resources :books
end

6. collection & member(RESTful ์ธํ„ฐํŽ˜์ด์Šค์— ์•ก์…˜์ถ”๊ฐ€)

resources :name do
    [collection do
        method Application
        ...
    end]
    [member do
        method Application
        ...
    end]
end
# name : ๋ฆฌ์†Œ์Šค ์ด๋ฆ„
# method : ์ ์šฉํ•  HTTP ๋ฉ”์„œ๋“œ(get, post, put, patch, delete)
# action : ์ ์šฉํ•  ์•ก์…˜

7. only & except

: ๊ธฐ๋ณธ์ ์œผ๋กœ ์ƒ์„ฑ๋˜๋Š” ์•ก์…˜์˜ ์ผ๋ถ€๋ฅผ ๋ฌดํšจํ™” ์‹œํ‚ค๊ณ  ์‹ถ์„ใ„ธ!

resources :users, except: [:show, :destroy]
resources :users, only: [:index, :create, :new, :update, :edit]

8. resources ์ค‘์ฒฉ

: ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ๋‚ด๋ถ€์—์„œ ๊ณ„์ธต ๊ด€๊ณ„๋ฅผ ๊ฐ–๋Š” ๊ฒฝ์šฐ

resources :books do
    resources :reviews
end
resources :books do
    resources :reviews , shallow: true
end

shallow๋Š” :id ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ๋ฐ›์ง€ ์•Š๋Š” ์•ก์…˜์— :book_id ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ๋ถ™๋Š”๋‹ค.

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Last updated 4 years ago

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