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https://github.com/jobhope/TechnicalNote

Repository to store what we have studied. :book: We want everyone to get a job through TechnicalNote.
https://github.com/jobhope/TechnicalNote

algorithm computer-architecture computer-science cpp data-structures database design-patterns github java linear-algebra network operating-system programming-language security software-engineering sort tech-interview technical-notes web windows

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Repository to store what we have studied. :book: We want everyone to get a job through TechnicalNote.

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:book: TechnicalNote

===

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### :two_men_holding_hands: **created by** 

[![tdm1223](https://avatars1.githubusercontent.com/u/21440957?s=100&v=4)](https://github.com/tdm1223)

[![rlatjdwo555](https://avatars0.githubusercontent.com/u/28692938?s=100&v=4)](https://github.com/rlatjdwo555)

[![Stupid07](https://avatars1.githubusercontent.com/u/35564566?s=100&v=4)](https://github.com/Stupid07)



### :frowning_man: **도움을 주신 분들**
































**도움에 감사드립니다.** :pray:



## TechnicalNote ?

- **개발 관련 지식**을 정리해 놓은 저장소입니다.

- 필기시험과 면접에서 **직접 겪었던** 내용 위주로 구성되어 있습니다.

- 잘못된 부분이 있을 수도 있으니 **가이드라인**으로 참고해주시면 되겠습니다.



## :microphone: 실제 면접 질문 모음  

- [실제 면접 질문 모음](InterviewQuestions.md)



## :books: Algorithm [:top:](#top)

- [Bubble Sort](algorithm/BubbleSort.md)

- [Selection Sort](algorithm/SelectionSort.md)

- [Insertion Sort](algorithm/InsertionSort.md)

- [Merge Sort](algorithm/MergeSort.md)

- [Quick Sort](algorithm/QuickSort.md)

- [Topology Sort](algorithm/TopologySort.md)

- [Radix Sort](algorithm/RadixSort.md)

- [Counting Sort](algorithm/CountingSort.md)

- [DiceProblem](algorithm/DiceProblem.md)

- [Kruskal](algorithm/Kruskal.md)

- [스택으로 큐 구현](algorithm/QueueImplementationWithStack.md)

- [좌표 압축 기법](algorithm/CoordinateCompression.md)

- [하노이의 탑](algorithm/TowerOfHanoi.md)



## :moneybag: C++ [:top:](#top)

- [형변환 연산자](cplusplus/TypeCastingOperator.md)

- [Const](cplusplus/Const.md)

- [Vector](cplusplus/Vector.md)

- [Virtual](cplusplus/Virtual.md)

- [가상함수의 동작 원리](cplusplus/PrincipleOfVirtualFunctionInCpp.md)

- [EnumHack](cplusplus/EnumHack.md)

- [inline](cplusplus/Inline.md)

- [EmptyClass](cplusplus/EmptyClass.md)

- [DanglingPointer](cplusplus/DanglingPointer.md)



## :computer: Computer Architecture [:top:](#top)

- [빅엔디언과 리틀엔디언](computer_architecture/BigEndianAndLittleEndian.md)

- [실행파일의 생성과정](computer_architecture/ExecutionProcess.md)

- [컴퓨터에서의 실수 표현방법](computer_architecture/RealNumberRepresentation.md)

- [10진수와 2진수의 변환](computer_architecture/BinaryDecimalConversion.md)

- [유니코드](computer_architecture/Unicode.md)



## :evergreen_tree: Data Structure [:top:](#top)

- [Stack](data_structure/Stack.md)

- [Queue](data_structure/Queue.md)

- [Deque](data_structure/Deque.md)

- [트리](data_structure/Tree.md)

- [이진트리](data_structure/BinaryTree.md)

- [트리의 순회](data_structure/TreeTraversal.md)

- [최소신장트리(MST)](data_structure/MST.md)

- [자료구조를 이용한 스택의 구현](data_structure/StackImplementation.md)

- [해싱](data_structure/Hashing.md)



## :floppy_disk: Database [:top:](#top)

- [DB 쿼리문 정리](database/DBQuery.md)

- [JOIN의 종류](database/AboutJoin.md)

- [DDL,DML,DCL](database/DDLAndDMLAndDCL.md)

- [트랜잭션의 ACID 속성](database/ACID.md)

- [트랜잭션 격리수준](database/IsolationLevel.md)

- [RDBMS와 NoSQL의 차이](database/RDBMSAndNoSQL.md)

- [낙관적 락과 비관적 락](database/OptimisticLockAndPessimisticLock.md)



## 🦉 Design Pattern [:top:](#top)

- [Command Pattern](design_pattern/CommandPattern.md)

- [Observer Pattern](design_pattern/ObserverPattern.md)

- [Strategy Pattern](design_pattern/StrategyPattern.md)

- [TemplateMethod Pattern](design_pattern/TemplateMethodPattern.md)

- [Singleton Pattern](design_pattern/SingletonPattern.md)

- [FactoryMethod Pattern](design_pattern/FactoryMethodPattern.md)

- [AbstractFactory Pattern](design_pattern/AbstractFactoryPattern.md)

- [Adapter Pattern](design_pattern/AdapterPattern.md)

- [Decorator Pattern](design_pattern/DecoratorPattern.md)

- [Composite Pattern](design_pattern/CompositePattern.md)

- [Bridge Pattern](design_pattern/BridgePattern.md)



## :video_game: Game [:top:](#top)

- [드로우콜 줄이기](game/ReduceDrawCall.md)



## :octocat: Github [:top:](#top)

- [repository를 clone할 때 모든 branch를 local에 받기](github/CloneRepository.md)

- [Pull Request 방법](github/GithubPullRequestProcess.md)



## :lips: Java [:top:](#top)

- [JVM](java/JVM.md)

- [Eclipse Attach Source 설정하기](java/EclipseAttachSourceSetting.md)

- [String, StringBuffer, StringBuilder의 차이](java/StringAndStringBufferAndStringBuilder.md)

- [HashMap과 Hashtable의 차이](java/HashMapAndHashTable.md)

- [final](java/final.md)

- [Interface와 abstract의 차이](java/InterfaceAndAbstract.md)



## :stars: JavaScript [:top:](#top)

- [Hoisting](javascript/Hoisting.md)



## :1234: Linear Algebra [:top:](#top)

- [행렬](linear_algebra/matrix.md)

- [벡터의 내적](linear_algebra/DotProduct.md)



## :globe_with_meridians: Network [:top:](#top)

- [OSI 7 Layer](network/OSI7layer.md)

- [URI, URL, URN 개념](network/URIAndURLAndURN.md)

- [포트와 소켓](network/PortAndSocket.md)

- [서브넷마스크](network/SubnetMask.md)

- [Nagle 알고리즘](network/Nagle.md)

- [TCP와 UDP의 차이](network/TCPAndUDP.md)

- [HTTP와 HTTPS](network/HTTPAndHTTPS.md)



## :bus: Operating System [:top:](#top)

- [메모리 구조](operating_system/MemoryStructure.md)

- [프로세스와 스레드](operating_system/ProcessAndThread.md)

- [Context Switching](operating_system/ContextSwitching.md)

- [동시성과 병렬성](operating_system/ConcurrencyAndParallelism.md)

- [Deadlock](operating_system/Deadlock.md)

- [CPU 스케줄링](operating_system/CPUScheduling.md)

- [페이지 교체 알고리즘](operating_system/PageReplacementAlgorithm.md)

- [메모리 단편화](operating_system/Fragmentation.md)



## :speech_balloon: Programming Language [:top:](#top)

- [객체지향 프로그래밍](programming_language/OOP.md)

- [객체 지향 원칙](programming_language/ObjectOrientedPrinciples.md)

- [자료형](programming_language/DataType.md)

- [Call by Sharing](programming_language/call-by-sharing.md)

- [Short Circuit](programming_language/ShortCircuit.md)

- [함수의 인자 전달 방식](programming_language/CallByParameterType.md)

- [접근 제한자](programming_language/AccessModifier.md)



## :lock: Security [:top:](#top)

- [대칭키와 공개키](security/encryptionKey.md)

- [파일 완전 삭제](security/DeleteFilePermanently.md)

- [DMZ(Demilitarized zone)](security/DMZ.md)



## :hammer: Software Engineering [:top:](#top)

- [디자인 패턴](software_engineering/Design%20Pattern.md)

- [오픈소스 라이센스](software_engineering/Opensource%20license.md)

- [Naming Convention](software_engineering/Naming%20Convention.md)

- [클린 코드](software_engineering/CleanCode.md)

- [MVC 패턴](software_engineering/MVCPattern.md)



## :earth_asia: Web [:top:](#top)

- [AMP와 PWA](web/AWPAndPWA.md)

- [REST란 무엇인가?](web/AboutREST.md)

- [Reverse Proxy와 Load Balancing](web/ReverseProxyAndLoadBalancing.md)

- [세션과 쿠키](web/SessionAndCookie.md)

- [Open API Architecture](web/OpenAPIArchitecture.md)

- [HTTP Cache](web/HttpCache.md)

- [HTTP Method](web/HTTPMethod.md)

- [웹 페이지 속도 개선 방법](web/PageSpeedInsights.md)

- [DI와 IoC](web/DIAndIoC.md)

- [GET과 POST의 차이](web/GETAndPOST.md)



## :open_file_folder: Window [:top:](#top)

- [메시지 루프](windows/MessageLoop.md)

- [SendMessage, PostMessage](windows/SendMessageAndPostMessage.md)

- [DLL](windows/DLL.md)

 

## :guitar: ETC [:top:](#top)

- [NAVER DEVELOPER OPEN CLASS 2019](etc/NAVER_DEVELOPER_OPEN_CLASS_2019.md)

- [DEVIEW - MongoDB](etc/DEVIEW_MongoDB.md)

- [DEVIEW - Android WebView](etc/DEVIEW_WebView.md)

- [DEVIEW - Whale 2.0](etc/DEVIEW_Whale.md)

- [template](etc/template.md)

- [마크다운 공유 편집 - hackmd](https://hackmd.io/)