[Design Pattern] Proxy Pattern (프록시 패턴)
proxy pattern
Posts by Tags
- software engineering 38
- spring 33
- cpp 24
- database 20
- oracle 19
- Beakjoon 18
- python 16
- tdd 16
- sql 16
- blog post 13
- Python 13
- Baekjoon 13
- web development 12
- Dynamic Programming 11
- jdbc 10
- dependency injection 10
- aop 10
- aspectj 10
- C++ 8
- github 8
- unit testing 8
- junit 8
- bean 8
- spring boot 8
- dynamic programming 7
- git 7
- java 6
- baekjoon 6
- transaction 6
- algorithm 5
- jenkins 5
- http 5
- interceptors 5
- Two Pointer 4
- abs 4
- priority queue 4
- component 4
- numpy 4
- side project 4
- operating system 3
- brute force 3
- custom comparator 3
- digits 3
- c++ 3
- software expert academy 3
- abstract 3
- interface 3
- annotation 3
- layered architecture 3
- pandas 3
- algorithms 2
- binary search 2
- Binary Search 2
- Software Expert Academy 2
- history 2
- SWEA 2
- git branch 2
- get 2
- post 2
- dfs 2
- audio 2
- speech 2
- sound 2
- operator overloading 2
- union set 2
- trouble shooting 2
- ubuntu 2
- ora error 2
- shell script 2
- example 2
- hash 2
- properties 2
- series 2
- spring mvc 2
- linux 2
- dijkstra 1
- bellman-ford 1
- floyd-warshall 1
- Dijkstra 1
- Floyd-Warshall 1
- Meet in the middle 1
- longest increasing subsequence 1
- Brute Force 1
- SQL 1
- Database 1
- kernel 1
- shell 1
- system call 1
- process scheduling 1
- long-term scheduler 1
- process lifecycle 1
- preeptive 1
- urllib 1
- file download 1
- dp 1
- jsp 1
- servlet 1
- combinations 1
- deque 1
- samsung 1
- 삼성합격 1
- 삼성 S직군 1
- spring framework 1
- rdbms 1
- DFS 1
- divide and conquer 1
- margin of error 1
- Hash 1
- jdbc install 1
- jdbc connection 1
- ci/cd 1
- data type 1
- built-in 1
- distinct 1
- oracle operator 1
- select 1
- auto push 1
- rank 1
- constraints 1
- not null 1
- default 1
- join 1
- subquery 1
- view 1
- maven install 1
- maven 1
- maven error 1
- inversion of control 1
- bean post processor 1
- bean lifecycle 1
- autowire 1
- collections 1
- pom.xml 1
- implements 1
- extends 1
- dispatcher servlet 1
- controller 1
- RESTful API 1
- testing 1
- trouble shoot 1
- sqldeveloper 1
- ddl 1
- dml 1
- dcl 1
- jungol 1
- cors 1
- container 1
- docker 1
- deep learning 1
- regular expression 1
- matpplotlib 1
- trie 1
- rest api 1
- jwt 1
- hosts 1
- front controller pattern 1
- file backup 1
- bit operation 1
- thread 1
software engineering
[Design Pattern] Command Pattern (명령 패턴)
command pattern
[Design Pattern] MVC Pattern
mvc pattern (model-view-controller)
[Design Pattern] Bridge Pattern (브릿지 패턴)
bridge pattern
[Design Pattern] Composite Pattern (복합체 패턴)
composite pattern
[Design Pattern] Adapter Pattern (어댑터 패턴)
adapter pattern
[Design Pattern] Decorator Pattern (장식자 패턴)
decorator pattern
[Design Pattern] Singleton Pattern (싱글톤 패턴)
singleton pattern
[Design Pattern] Builder Pattern (빌더 패턴)
builder pattern
[Design Pattern] Mediator Pattern (중재자 패턴)
mediator pattern
[Design Pattern] Factory Pattern (팩토리 메소드, 추상 팩토리 패턴)
factory method pattern & abstract factory pattern
[Design Pattern] State Pattern (상태 패턴)
state pattern
[Design Pattern] Iterator Pattern (반복자 패턴)
iterator pattern
[Design Pattern] Template Method Pattern (템플릿 메소드 패턴)
template method pattern
[Design Pattern] Observer Pattern (관찰자 패턴)
observer pattern
[Design Pattern] Strategy Pattern (전략 패턴)
strategy pattern
[Design Pattern] GRASP Principle
grasp principle
[Design Pattern] SOLID Principle
solid principle
[Design Pattern] Object-Oriented Paradigm
Object-Oriented Paradigm
[Design Pattern] Introduction
design pattern
[SW Engineering] UP - Inception Phase
united process inception phase
[SW Engineering] UP - Elaboration (OOA / OOD / OOI)
united process elaboration ooa
[SW Engineering] Component Diagram
uml component diagram
[SW Engineering] Statechart Diagram
statechart diagram
[SW Engineering] Sequence Diagram
sequence diagram
[SW Engineering] Class Diagram
class diagram
[SW Engineering] Use Case Diagram
use case diagram
[SW Engineering] An Introduction to UML
an introduction to UML
[SW Engineering] Object-Oriented Programming
object oriented programming introduction
[SW Engineering] Object-Oriented Principles
basic principles of Object-Oriented
[SW Engineering] Software Testing
software testing
[SW Engineering] SASD (Structural Analysis Structural Design)
structural analysis and structural design
[SW Engineering] OOAD (Object Oriented Analysis and Design)
design and implementation for object-oriented system
[SW Engineering] System Modeling
system modeling
[SW Engineering] Requirements Engineering
requirements engineering
[SW Engineering] Agile
agile software development
[SW Engineering] Introduction
software engineering introduction
[SW Engineering] Software development process
software development process
spring
[Spring] Spring MVC Framework 만들기
spring mvc framework self implementation
[Spring] Front Controller Pattern
front controller pattern
[Spring] IntelliJ 에서 webapps 자동 생성 안 될 때
mapper xml file
[Spring Boot] CORS 해결
Fix CORS (Cross Origin Resource Sharing)
[Spring] Mapper XML File
mapper xml file
[Spring] 스프링 트랜잭션 (@Transactional)
spring transaction
[Spring] Aspect Oriented Programming
aspect oriented programming
[Spring Boot] .properties 파일
.properties 파일
[Spring Boot] Multiple File Uploading
multiple file uploading
[Spring Boot] STS Problem (1)
not automatically install lombok
[Spring] Throwable
throwable error and exception processing
[Spring] Interceptors
interceptors
[Spring] Dynamic SQL
dynamic sql
[Spring] java.lang.ClassNotFoundException 오류
java.lang.ClassNotFoundException
[Spring] MyBatis 소개
what is mybatis
[Spring] Context 분리 전략
context seperation strategy
[Spring] Spring-Data Access 기술과 DataSource
spring data source
[Spring] RESTful API
RESTful API
[Spring] File Resource Processing
static file resource upload, download
[Spring] Layered Architecture & MVC 패턴
layered architecture
[Spring] Controller
spring mvc controller
[Spring] pom.xml
pom.xml
[Spring] Spring Framework 기반 Oracle JDBC 사용 예제
oracle jdbc practical example based on spring framework
[Spring] 컴포넌트(Component)
component
[Spring] Configuration by Annotation in Java
configuration by annotation
[Spring] Collection 주입
collection type injection by beans
[Spring] Bean Annotation
bean annotation
[Spring] 자동 주입 (Auto Injection)
auto injection by autowire
[Spring] Bean 객체 생명주기
bean lifecycle
[Spring] BeanPostProcessor
BeanPostProcessor
[Spring] IoC Container
inversion of control container
[Spring] Bean 태그를 이용한 의존성 주입
dependency injection by beans
[Spring] Dependency Injection (의존성 주입)
dependency injection
cpp
[Coding Test] Bit Operation in cpp
bit operation practice in cpp
[Algorithm Problem] 호텔 (BAEKJOON: 1106)
dynamic programming with bfs
[Algorithm Problem] 배 (BAEKJOON: 1092)
boat using greedy algorithm
[Algorithm Problem] 소트 (BAEKJOON: 1083)
sort (selection sort)
[Coding Test] Coding Tips 7 : hash
iterator
[Problems] 색종이
paper paste by simple for loop
[Coding Test] 값 변화를 즉각 반영하는 우선순위 큐
custom priority queue
[Coding Test] Coding Tips 2 : Priority Queue, Bit Operator, etc
C++ Today I Learned
[Coding Test] 진법 변환 (후위 순회로 뒤부터 출력하기)
backward printing by postorder
[Coding Test] divide and conquer
divide and conquer in cpp
[Coding Test] Coding Tips 1 : ABS(x) macro used in DFS
Absolute function, BFS and DFS implementation tip
[Problems] 진용이네 주차타워 (SWEA: 9280)
priority queue, queue in cpp
database
[Oracle] Oracle HR Schema 생성
how to create oracle hr schema
[Oracle] SQL 활용 예제
CREATE, ALTER, SELECT, INSERT, UPDATE, DELETE
[Oracle] Troubleshoot for executing sqldeveloper
troubleshooting for executing sqldeveloper
[Oracle] ORA-00984: column not allowed here
ORA-00984: column not allowed here
[Oracle] ORA-28040: 일치하는 인증 프로토콜 없음
ORA-28040 Error
[Oracle] ORA-12505, listener currently does not know of sid given in connect descriptor
ORA-12505, listener currently does not know of sid given in connect descriptor
[Oracle] 집합 연산자 사용법과 VIEW
oracle union, minus, intersect, union all operator
[Oracle] 서브 쿼리
sub-query
[Oracle] Join 활용방법과 예제
inner join, outter join, etc.
[Oracle] Constraints 예시와 사용법 (제약 조건)
oracle constraints examples
[Oracle] 순위 함수
oracle rank functions
[Oracle] 트랜잭션 (Transaction)
commit and rollback
[Oracle] SELECT 구절
select sequence and order by
[Oracle] Operator (산술, 문자열, 비교, 관계, 패턴)
select by using operator
[Oracle] DISTINCT 사용법과 테스트 테이블
oracle distinct keyword
[Oracle] Built-in functions
character, numeric, date, null built-in functions
[Oracle] Data Types
oracle data types
[Oracle] ORA-12514, TNS: listener does not currently know of service requested in connect dscriptor
ORA-12514 Error
[Oracle] Database 공부하자
why do we need to study database?
[Database] RDBMS 종류
Relational Database Management System Kinds
oracle
[Oracle] Oracle HR Schema 생성
how to create oracle hr schema
[Oracle] SQL 활용 예제
CREATE, ALTER, SELECT, INSERT, UPDATE, DELETE
[Oracle] Troubleshoot for executing sqldeveloper
troubleshooting for executing sqldeveloper
[Oracle] ORA-00984: column not allowed here
ORA-00984: column not allowed here
[Oracle] ORA-28040: 일치하는 인증 프로토콜 없음
ORA-28040 Error
[Oracle] ORA-12505, listener currently does not know of sid given in connect descriptor
ORA-12505, listener currently does not know of sid given in connect descriptor
[Oracle] 집합 연산자 사용법과 VIEW
oracle union, minus, intersect, union all operator
[Oracle] 서브 쿼리
sub-query
[Oracle] Join 활용방법과 예제
inner join, outter join, etc.
[Oracle] Constraints 예시와 사용법 (제약 조건)
oracle constraints examples
[Oracle] 순위 함수
oracle rank functions
[Oracle] 트랜잭션 (Transaction)
commit and rollback
[Oracle] SELECT 구절
select sequence and order by
[Oracle] Operator (산술, 문자열, 비교, 관계, 패턴)
select by using operator
[Oracle] DISTINCT 사용법과 테스트 테이블
oracle distinct keyword
[Oracle] Built-in functions
character, numeric, date, null built-in functions
[Oracle] Data Types
oracle data types
[Oracle] ORA-12514, TNS: listener does not currently know of service requested in connect dscriptor
ORA-12514 Error
[Oracle] Database 공부하자
why do we need to study database?
Beakjoon
[Algorithm Problem] 호텔 (BAEKJOON: 1106)
dynamic programming with bfs
[Algorithm Problem] 배 (BAEKJOON: 1092)
boat using greedy algorithm
[Algorithm Problem] 소트 (BAEKJOON: 1083)
sort (selection sort)
[Coding Test] SortedList 구현
sorted list implementation
[Problems] 배열 돌리기 1 (BAEKJOON: 17070)
rotate array 1
[Problems] 파이프 옮기기1 (BAEKJOON: 17070)
Moving pipe
[Problems] 캐슬 디펜스 (BAEKJOON: 17135번)
Castle Defense
[Algorithm Problem] 숨바꼭질 시리즈 (BAEKJOON: 1697, 12851, 13549, 13913번)
BFS and Dynamic programming
[Algorithm Problem] 경찰차 (BAEKJOON: 2618번)
Dynamic programming and trace-back
[Algorithm Problem] LCS2 (BAEKJOON: 9252번)
Dynamic programming and trace-back
[Problems] 가희와 프로세스1 (BAEKJOON: 21773번)
Priority queue applicating
[Problems] 가희의 고구마 먹방 (BAEKJOON: 21772번)
DFS and Dynamic Programming implementation problem
[Problems] 가희야 거기서 자는 거 아니야 (BAEKJOON: 21771번)
Implemenataion problem
python
[Python] Byte calculation
정규식(regular expression)을 이용한 바이트 계산
[Coding Test] SortedList 구현
sorted list implementation
[Problems] 배열 돌리기 1 (BAEKJOON: 17070)
rotate array 1
[Problems] 게리맨더링 (BAEKJOON: 17471)
gerrymandering implementation by using combinations and bfs
[Problems] 야구 (BAEKJOON: 17281)
baseball game implementation: brute force
[Problems] 색종이 붙이기 (BAEKJOON: 17136)
paper paste by dfs
[Problems] 파이프 옮기기1 (BAEKJOON: 17070)
Moving pipe
[Problems] 캐슬 디펜스 (BAEKJOON: 17135번)
Castle Defense
[Algorithm Problem] 숨바꼭질 시리즈 (BAEKJOON: 1697, 12851, 13549, 13913번)
BFS and Dynamic programming
[Algorithm Problem] 경찰차 (BAEKJOON: 2618번)
Dynamic programming and trace-back
[Python] Python file download from url
urllib을 이용한 파일 다운로드
[Algorithm Problem] 전깃줄 (SWEA: 10585번)
For loop and Longest Increasing Subsequence
[Algorithm Problem] LCS2 (BAEKJOON: 9252번)
Dynamic programming and trace-back
[Problems] 가희와 프로세스1 (BAEKJOON: 21773번)
Priority queue applicating
[Problems] 가희의 고구마 먹방 (BAEKJOON: 21772번)
DFS and Dynamic Programming implementation problem
[Problems] 가희야 거기서 자는 거 아니야 (BAEKJOON: 21771번)
Implemenataion problem
tdd
[Junit] TDD로 학점 계산기 구현하기
grade calculator test sample
[Junit] TDD로 학점 계산기 구현하기
grade calculator test sample
[Junit] TDD로 사칙연산 계산기 구현하기
operator test sample
[Junit] TDD로 사칙연산 계산기 구현하기
operator test sample
[Junit] JUnit5 Test Code 실습
junit5 test code practice
[Junit] JUnit5 Test Code 실습
junit5 test code practice
[Junit][세미나] TDD를 위한 Unit Test
Seminar : Unit Test for TDD
[Junit][세미나] TDD를 위한 Unit Test
Seminar : Unit Test for TDD
[Junit] Right - BICEP
right bicep
[Junit] Right - BICEP
right bicep
[Junit] 모의 객체 (Mock Object) 활용
mock object
[Junit] 모의 객체 (Mock Object) 활용
mock object
[Junit] 테스트 작성: AAA(Arange-Act-Assert) 형식
AAA: Arange, Act, Assert
[Junit] 테스트 작성: AAA(Arange-Act-Assert) 형식
AAA: Arange, Act, Assert
[Junit] 단위 테스트를 작성하는 이유
reason why we need to use unit testing
[Junit] 단위 테스트를 작성하는 이유
reason why we need to use unit testing
sql
[Oracle] SQL 활용 예제
CREATE, ALTER, SELECT, INSERT, UPDATE, DELETE
[Oracle] Troubleshoot for executing sqldeveloper
troubleshooting for executing sqldeveloper
[Oracle] ORA-28040: 일치하는 인증 프로토콜 없음
ORA-28040 Error
[Oracle] 집합 연산자 사용법과 VIEW
oracle union, minus, intersect, union all operator
[Oracle] 서브 쿼리
sub-query
[Oracle] Join 활용방법과 예제
inner join, outter join, etc.
[Oracle] Constraints 예시와 사용법 (제약 조건)
oracle constraints examples
[Oracle] 순위 함수
oracle rank functions
[Oracle] 트랜잭션 (Transaction)
commit and rollback
[Oracle] SELECT 구절
select sequence and order by
[Oracle] Operator (산술, 문자열, 비교, 관계, 패턴)
select by using operator
[Oracle] DISTINCT 사용법과 테스트 테이블
oracle distinct keyword
[Oracle] Built-in functions
character, numeric, date, null built-in functions
[Oracle] Data Types
oracle data types
[Oracle] ORA-12514, TNS: listener does not currently know of service requested in connect dscriptor
ORA-12514 Error
[Oracle] Database 공부하자
why do we need to study database?
blog post
[HISTORY] BLOG REOPEN
Blog reopen from 2023.05.27
[끄적끄적] Baekjoon Platinum 달성
baekjoon platinum
[후기] Samsung C형 시험 후기 (2022-09-03)
Samsung C-type coding test
[후기] Why Software Architecture 세미나 후기
center seminar review
[후기] Associate Architect 1차 시험 후기
associate architect test
[끄적끄적] Why English
Samsung B-type coding test
[후기] Samsung C형 시험 후기 (2022-07-16)
Samsung C-type coding test
[후기] Samsung B형 시험 후기 (2022-06-11)
Samsung B-type coding test
[후기] Samsung B형 시험 후기 (2022-06-10)
Samsung B-type coding test
[후기] Samsung B형 시험 후기 (2022-05-21)
Samsung B-type coding test
단축키 모음
keyboard shortcut
[후기] 삼성전자 입사 후기
Joining Samsung Electronics Review
Blog history
Blog modification history
Python
[Coding Test] Lower Bound and Upper Bound
how to use lower bound and upper bound concept
[Algorithm Problem] 가장 긴 증가하는 부분 수열
가장 긴 증가하는 부분 수열 유형 정리
[Algorithm Problem] 1로 만들기2 (BAEKJOON: 12852번)
반복적 동적 계획법을 이용한 문제
[Algorithm Problem] 카드 구매하기 (BAEKJOON: 11052번)
동적 계획법을 이용한 문제 (Knapsack)
[Algorithm Problem] 팰린드롬? (BAEKJOON: 10942번)
동적 계획법을 이용한 문제
[Algorithm Problem] 숫자 카드2 (BAEKJOON: 10816번)
이분탐색을 이용해 배열에 카드 개수를 확인하는 문제
[Algorithm Problem] 수 찾기 (BAEKJOON: 1920번)
이분탐색을 이용해 배열에 수가 있는지 확인하는 문제
[Algorithm Problem] 운동 (BAEKJOON: 1956번)
Floyd-Warshall 알고리즘을 이용해 루프를 찾는 문제
[Algorithm Problem] 두 용액 (BAEKJOON: 2470번)
Two Pointer Technique
[Algorithm Problem] 두 수의 합 (BAEKJOON: 3273번)
Two Pointer Technique
[Algorithm Problem] 부분합 (BAEKJOON: 1806번)
Two Pointer Technique
[Algorithm Problem] 소수의 연속합 (BAEKJOON: 1644번)
Two Pointer Technique
[Algorithm Problem] KCM Travel (BAEKJOON: 10217번)
Dijkstra and Dynamic Programming
Baekjoon
[Coding Test] Lower Bound and Upper Bound
how to use lower bound and upper bound concept
[Algorithm Problem] 가장 긴 증가하는 부분 수열
가장 긴 증가하는 부분 수열 유형 정리
[Algorithm Problem] 1로 만들기2 (BAEKJOON: 12852번)
반복적 동적 계획법을 이용한 문제
[Algorithm Problem] 카드 구매하기 (BAEKJOON: 11052번)
동적 계획법을 이용한 문제 (Knapsack)
[Algorithm Problem] 팰린드롬? (BAEKJOON: 10942번)
동적 계획법을 이용한 문제
[Algorithm Problem] 숫자 카드2 (BAEKJOON: 10816번)
이분탐색을 이용해 배열에 카드 개수를 확인하는 문제
[Algorithm Problem] 수 찾기 (BAEKJOON: 1920번)
이분탐색을 이용해 배열에 수가 있는지 확인하는 문제
[Algorithm Problem] 운동 (BAEKJOON: 1956번)
Floyd-Warshall 알고리즘을 이용해 루프를 찾는 문제
[Algorithm Problem] 두 용액 (BAEKJOON: 2470번)
Two Pointer Technique
[Algorithm Problem] 두 수의 합 (BAEKJOON: 3273번)
Two Pointer Technique
[Algorithm Problem] 부분합 (BAEKJOON: 1806번)
Two Pointer Technique
[Algorithm Problem] 소수의 연속합 (BAEKJOON: 1644번)
Two Pointer Technique
[Algorithm Problem] KCM Travel (BAEKJOON: 10217번)
Dijkstra and Dynamic Programming
web development
[Network] hosts 파일
hosts file for web development
[Pangtudy Web] 외부에서 WSL2 서버 연결
build remote connection to wsl2 server
[Pangtudy Web] WSL2 설치
wsl2 install
[Pangtudy Web] WSL2 에 MySQL 설치
mysql install in wsl2
[Pangtudy Web] MySQL 설치 및 DB 생성, 외부 접속 계정 설정
ubuntu ec2 mysql install
[Pangtudy Web] Ubuntu 에서 Maven Build
build in ubuntu server
[Pangtudy Web] File Upload Issue (3)
pnagtudy 개발 일지
[Pangtudy Web] File Upload Issue (2)
file upload implementation
[Pangtudy Web] File Upload Issue
file upload implementation
[pangtudy web] Install Jenkins to EC2
Jenkins to EC2
[pangtudy web] Web Deployment to EC2
web deployment on ubuntu server
[pangtudy web] Spring Framework 란?
What is spring framework?
Dynamic Programming
[Coding Test] Lower Bound and Upper Bound
how to use lower bound and upper bound concept
[Algorithm Problem] 가장 긴 증가하는 부분 수열
가장 긴 증가하는 부분 수열 유형 정리
[Algorithm Problem] 1로 만들기2 (BAEKJOON: 12852번)
반복적 동적 계획법을 이용한 문제
[Algorithm Problem] 카드 구매하기 (BAEKJOON: 11052번)
동적 계획법을 이용한 문제 (Knapsack)
[Algorithm Problem] 팰린드롬? (BAEKJOON: 10942번)
동적 계획법을 이용한 문제
[Algorithm Problem] 운동 (BAEKJOON: 1956번)
Floyd-Warshall 알고리즘을 이용해 루프를 찾는 문제
[Algorithm Problem] 두 용액 (BAEKJOON: 2470번)
Two Pointer Technique
[Algorithm Problem] 두 수의 합 (BAEKJOON: 3273번)
Two Pointer Technique
[Algorithm Problem] 부분합 (BAEKJOON: 1806번)
Two Pointer Technique
[Algorithm Problem] 소수의 연속합 (BAEKJOON: 1644번)
Two Pointer Technique
[Algorithm Problem] KCM Travel (BAEKJOON: 10217번)
Dijkstra and Dynamic Programming
jdbc
[Spring] IntelliJ 에서 webapps 자동 생성 안 될 때
mapper xml file
[Spring] Mapper XML File
mapper xml file
[Spring] Aspect Oriented Programming
aspect oriented programming
[Spring] Dynamic SQL
dynamic sql
[Spring] java.lang.ClassNotFoundException 오류
java.lang.ClassNotFoundException
[Spring] MyBatis 소개
what is mybatis
[Spring] Context 분리 전략
context seperation strategy
[Spring] Spring-Data Access 기술과 DataSource
spring data source
[Spring] Spring Framework 기반 Oracle JDBC 사용 예제
oracle jdbc practical example based on spring framework
[JDBC] JDBC 기본 개념 및 설정 방법, 연결 예제
basic jdbc examples and history
dependency injection
[Spring] 컴포넌트(Component)
component
[Spring] Configuration by Annotation in Java
configuration by annotation
[Spring] Collection 주입
collection type injection by beans
[Spring] Bean Annotation
bean annotation
[Spring] 자동 주입 (Auto Injection)
auto injection by autowire
[Spring] Bean 객체 생명주기
bean lifecycle
[Spring] BeanPostProcessor
BeanPostProcessor
[Spring] IoC Container
inversion of control container
[Spring] Bean 태그를 이용한 의존성 주입
dependency injection by beans
[Spring] Dependency Injection (의존성 주입)
dependency injection
aop
[Spring] IntelliJ 에서 webapps 자동 생성 안 될 때
mapper xml file
[Spring] Mapper XML File
mapper xml file
[Spring] Aspect Oriented Programming
aspect oriented programming
[Spring] Throwable
throwable error and exception processing
[Spring] Dynamic SQL
dynamic sql
[Spring] java.lang.ClassNotFoundException 오류
java.lang.ClassNotFoundException
[Spring] MyBatis 소개
what is mybatis
[Spring] Context 분리 전략
context seperation strategy
[Spring] Spring-Data Access 기술과 DataSource
spring data source
[Spring] Spring Framework 기반 Oracle JDBC 사용 예제
oracle jdbc practical example based on spring framework
aspectj
[Spring] IntelliJ 에서 webapps 자동 생성 안 될 때
mapper xml file
[Spring] Mapper XML File
mapper xml file
[Spring] Aspect Oriented Programming
aspect oriented programming
[Spring] Throwable
throwable error and exception processing
[Spring] Dynamic SQL
dynamic sql
[Spring] java.lang.ClassNotFoundException 오류
java.lang.ClassNotFoundException
[Spring] MyBatis 소개
what is mybatis
[Spring] Context 분리 전략
context seperation strategy
[Spring] Spring-Data Access 기술과 DataSource
spring data source
[Spring] Spring Framework 기반 Oracle JDBC 사용 예제
oracle jdbc practical example based on spring framework
C++
[Problems] 제곱수 만들기 (SWEA: 10965번)
Implemenataion problem
[Problems] 군주제와 공화제 (SWEA: 10993번)
Implemenataion problem
[Algorithm Problem] 가장 긴 증가하는 부분 수열
가장 긴 증가하는 부분 수열 유형 정리
[Algorithm Problem] 팰린드롬? (BAEKJOON: 10942번)
동적 계획법을 이용한 문제
[Algorithm Problem] 두 용액 (BAEKJOON: 2470번)
Two Pointer Technique
[Algorithm Problem] 두 수의 합 (BAEKJOON: 3273번)
Two Pointer Technique
[Algorithm Problem] 부분합 (BAEKJOON: 1806번)
Two Pointer Technique
[Algorithm Problem] KCM Travel (BAEKJOON: 10217번)
Dijkstra and Dynamic Programming
github
[Git] Git Branch master 에서 main 으로 변경하기
how to change git branch name master to main
[Git] .gitignore가 적용되지 않을 때
how to apply .gitignore
[Git] Git 이력 관리
git log management
[Git] Git Release 관리
Git Release 관리
[Git] Git Log 관리
Git Log 관리
[Git] 파일 추가하고 커밋하기
File add and commit
[Git] 브랜치 이해하고 활용하기
basic git funcionality
[Git] Git branch 생성 및 삭제
명령어를 이용한 git branch 관리
unit testing
[Junit] TDD로 학점 계산기 구현하기
grade calculator test sample
[Junit] TDD로 사칙연산 계산기 구현하기
operator test sample
[Junit] JUnit5 Test Code 실습
junit5 test code practice
[Junit][세미나] TDD를 위한 Unit Test
Seminar : Unit Test for TDD
[Junit] Right - BICEP
right bicep
[Junit] 모의 객체 (Mock Object) 활용
mock object
[Junit] 테스트 작성: AAA(Arange-Act-Assert) 형식
AAA: Arange, Act, Assert
[Junit] 단위 테스트를 작성하는 이유
reason why we need to use unit testing
junit
[Junit] TDD로 학점 계산기 구현하기
grade calculator test sample
[Junit] TDD로 사칙연산 계산기 구현하기
operator test sample
[Junit] JUnit5 Test Code 실습
junit5 test code practice
[Junit][세미나] TDD를 위한 Unit Test
Seminar : Unit Test for TDD
[Junit] Right - BICEP
right bicep
[Junit] 모의 객체 (Mock Object) 활용
mock object
[Junit] 테스트 작성: AAA(Arange-Act-Assert) 형식
AAA: Arange, Act, Assert
[Junit] 단위 테스트를 작성하는 이유
reason why we need to use unit testing
bean
[Spring] Configuration by Annotation in Java
configuration by annotation
[Spring] Collection 주입
collection type injection by beans
[Spring] Bean Annotation
bean annotation
[Spring] 자동 주입 (Auto Injection)
auto injection by autowire
[Spring] Bean 객체 생명주기
bean lifecycle
[Spring] BeanPostProcessor
BeanPostProcessor
[Spring] IoC Container
inversion of control container
[Spring] Bean 태그를 이용한 의존성 주입
dependency injection by beans
spring boot
[Pangtudy Web] 외부에서 WSL2 서버 연결
build remote connection to wsl2 server
[Pangtudy Web] WSL2 설치
wsl2 install
[Pangtudy Web] WSL2 에 MySQL 설치
mysql install in wsl2
[Pangtudy Web] MySQL 설치 및 DB 생성, 외부 접속 계정 설정
ubuntu ec2 mysql install
[Pangtudy Web] Ubuntu 에서 Maven Build
build in ubuntu server
[Pangtudy Web] File Upload Issue (3)
pnagtudy 개발 일지
[Pangtudy Web] File Upload Issue (2)
file upload implementation
[Pangtudy Web] File Upload Issue
file upload implementation
dynamic programming
[Problems] 최대 상금 (SWEA: 1244)
brute force with dynamic programming memoization
[Problems] 게리맨더링 (BAEKJOON: 17471)
gerrymandering implementation by using combinations and bfs
[Problems] 야구 (BAEKJOON: 17281)
baseball game implementation: brute force
[Problems] 색종이 붙이기 (BAEKJOON: 17136)
paper paste by dfs
[Problems] 진용이네 주차타워 (SWEA: 9280)
priority queue, queue in cpp
[Problems] 파이프 옮기기1 (BAEKJOON: 17070)
Moving pipe
[Algorithm Problem] 경찰차 (BAEKJOON: 2618번)
Dynamic programming and trace-back
git
[Git] Git Branch master 에서 main 으로 변경하기
how to change git branch name master to main
[Git] Git 이력 관리
git log management
[Git] Git Release 관리
Git Release 관리
[Git] Git Log 관리
Git Log 관리
[Git] 파일 추가하고 커밋하기
File add and commit
[Git] 브랜치 이해하고 활용하기
basic git funcionality
Git auto-push by shell script
auto push by shell script
java
[Java] LocalDate, LocalTime and LocalDateTime
representing date and time in java
[Java] Reflection API Example
reflection api
[Network] REST API 인증
jwt: json web token
[Java] Abstraction
java abstraction
[JDBC] JDBC 기본 개념 및 설정 방법, 연결 예제
basic jdbc examples and history
[Network] GET 요청과 POST 요청의 차이
GET & POST Requests
baekjoon
[Problems] 게리맨더링 (BAEKJOON: 17471)
gerrymandering implementation by using combinations and bfs
[Problems] 야구 (BAEKJOON: 17281)
baseball game implementation: brute force
[Problems] 색종이 붙이기 (BAEKJOON: 17136)
paper paste by dfs
transaction
[Spring] 스프링 트랜잭션 (@Transactional)
spring transaction
[Spring Boot] Multiple File Uploading
multiple file uploading
[Spring Boot] STS Problem (1)
not automatically install lombok
[Spring] Throwable
throwable error and exception processing
[Spring] Interceptors
interceptors
[Oracle] 트랜잭션 (Transaction)
commit and rollback
algorithm
[Algorithms] Trie
trie structure
[Algorithms] Binary Search
logarithmic search algorithm with sorted array
[Algorithms] Floyd-Warshall
모든 점으로부터 연결된 모든 점까지의 최단 거리를 구하는 알고리즘
[Algorithms] Bellman-Ford
한 점으로부터 연결된 모든 점까지의 최단 거리를 구하는 알고리즘
[Algorithms] Dijkstra Algorithms
한 점으로부터 연결된 모든 점까지의 최단 거리를 구하는 알고리즘
jenkins
[Pangtudy Web] 외부에서 WSL2 서버 연결
build remote connection to wsl2 server
[Pangtudy Web] WSL2 설치
wsl2 install
[Pangtudy Web] WSL2 에 MySQL 설치
mysql install in wsl2
[Pangtudy Web] MySQL 설치 및 DB 생성, 외부 접속 계정 설정
ubuntu ec2 mysql install
[pangtudy web] Install Jenkins to EC2
Jenkins to EC2
http
[Java] Thread를 활용한 응답
mini server with thread
[Java] Servlet
servlet
[Java] HttpRequest, HttpResponse 구현
HttpRequest and HttpResponse implementation
[Java] HTTP와 Socket
Custom Web Server and HTTP check, Socket
[Network] POST 와 GET 명령어 차이점
difference between post and get
interceptors
[Spring Boot] CORS 해결
Fix CORS (Cross Origin Resource Sharing)
[Spring Boot] .properties 파일
.properties 파일
[Spring Boot] Multiple File Uploading
multiple file uploading
[Spring Boot] STS Problem (1)
not automatically install lombok
[Spring] Interceptors
interceptors
Two Pointer
[Algorithm Problem] 두 용액 (BAEKJOON: 2470번)
Two Pointer Technique
[Algorithm Problem] 두 수의 합 (BAEKJOON: 3273번)
Two Pointer Technique
[Algorithm Problem] 부분합 (BAEKJOON: 1806번)
Two Pointer Technique
[Algorithm Problem] 소수의 연속합 (BAEKJOON: 1644번)
Two Pointer Technique
abs
[Coding Test] Coding Tips 2 : Priority Queue, Bit Operator, etc
C++ Today I Learned
[Coding Test] Coding Tips 1 : ABS(x) macro used in DFS
Absolute function, BFS and DFS implementation tip
priority queue
[Coding Test] 값 변화를 즉각 반영하는 우선순위 큐
custom priority queue
[Coding Test] Coding Tips 2 : Priority Queue, Bit Operator, etc
C++ Today I Learned
component
[Spring] RESTful API
RESTful API
[Spring] File Resource Processing
static file resource upload, download
[Spring] Layered Architecture & MVC 패턴
layered architecture
[Spring] 컴포넌트(Component)
component
numpy
[Matplotlib] Matplotlib 개요
Matplotlib Introduction
[Pandas] Pandas 활용
Pandas Advanced
[Pandas] Pandas 개요
Pandas Introduction
[NumPy] NumPy 개요
NumPy Introduction
side project
[Java] Thread를 활용한 응답
mini server with thread
[Java] Servlet
servlet
[Java] HttpRequest, HttpResponse 구현
HttpRequest and HttpResponse implementation
[Java] HTTP와 Socket
Custom Web Server and HTTP check, Socket
operating system
[OS] 프로세스 스케쥴링(2)
process scheduling
[OS] 프로세스 스케쥴링(1)
process scheduling
[OS] 운영체제 기초 내용
foundational contents of operating system
brute force
[Problems] 최대 상금 (SWEA: 1244)
brute force with dynamic programming memoization
[Problems] 게리맨더링 (BAEKJOON: 17471)
gerrymandering implementation by using combinations and bfs
[Problems] 야구 (BAEKJOON: 17281)
baseball game implementation: brute force
custom comparator
[Coding Test] Coding Tips 2 : Priority Queue, Bit Operator, etc
C++ Today I Learned
digits
[Coding Test] Coding Tips 2 : Priority Queue, Bit Operator, etc
C++ Today I Learned
c++
[Problems] 최대 상금 (SWEA: 1244)
brute force with dynamic programming memoization
[Problems] 암호코드 스캔 (SWEA: 1242)
Hash with Integer Array
[Problems] 균형점 (SWEA: 1245)
approximation by binary searching in margin of error
software expert academy
[Problems] 최대 상금 (SWEA: 1244)
brute force with dynamic programming memoization
[Problems] 암호코드 스캔 (SWEA: 1242)
Hash with Integer Array
[Problems] 균형점 (SWEA: 1245)
approximation by binary searching in margin of error
abstract
[Java] LocalDate, LocalTime and LocalDateTime
representing date and time in java
[Java] Reflection API Example
reflection api
[Java] Abstraction
java abstraction
interface
[Java] LocalDate, LocalTime and LocalDateTime
representing date and time in java
[Java] Reflection API Example
reflection api
[Java] Abstraction
java abstraction
annotation
[Spring] 컴포넌트(Component)
component
[Spring] Configuration by Annotation in Java
configuration by annotation
[Spring] Bean Annotation
bean annotation
layered architecture
[Spring] RESTful API
RESTful API
[Spring] File Resource Processing
static file resource upload, download
[Spring] Layered Architecture & MVC 패턴
layered architecture
pandas
[Matplotlib] Matplotlib 개요
Matplotlib Introduction
[Pandas] Pandas 활용
Pandas Advanced
[Pandas] Pandas 개요
Pandas Introduction
algorithms
[Algorithms] Meet in the middle
Search technique which is used when the input is small but not as small that brute force can be used
[Algorithms] Two Pointers Technique
Technique that is typically used for searching pairs in a stored array
binary search
[Problems] 균형점 (SWEA: 1245)
approximation by binary searching in margin of error
[Algorithms] Binary Search
logarithmic search algorithm with sorted array
Binary Search
[Algorithm Problem] 숫자 카드2 (BAEKJOON: 10816번)
이분탐색을 이용해 배열에 카드 개수를 확인하는 문제
[Algorithm Problem] 수 찾기 (BAEKJOON: 1920번)
이분탐색을 이용해 배열에 수가 있는지 확인하는 문제
Software Expert Academy
[Problems] 제곱수 만들기 (SWEA: 10965번)
Implemenataion problem
[Problems] 군주제와 공화제 (SWEA: 10993번)
Implemenataion problem
history
[HISTORY] BLOG REOPEN
Blog reopen from 2023.05.27
[OS] 운영체제 기초 내용
foundational contents of operating system
SWEA
[Problems] 진용이네 주차타워 (SWEA: 9280)
priority queue, queue in cpp
[Algorithm Problem] 전깃줄 (SWEA: 10585번)
For loop and Longest Increasing Subsequence
git branch
[Git] .gitignore가 적용되지 않을 때
how to apply .gitignore
[Git] Git branch 생성 및 삭제
명령어를 이용한 git branch 관리
get
[Network] POST 와 GET 명령어 차이점
difference between post and get
[Network] GET 요청과 POST 요청의 차이
GET & POST Requests
post
[Network] POST 와 GET 명령어 차이점
difference between post and get
[Network] GET 요청과 POST 요청의 차이
GET & POST Requests
dfs
[Problems] 최대 상금 (SWEA: 1244)
brute force with dynamic programming memoization
[Problems] 색종이 붙이기 (BAEKJOON: 17136)
paper paste by dfs
audio
[ASP] Sound
basic sound concepts
[ASP] Speech, Audio, Sound Characteristics
Speech, Audio, Sound Characteristics
speech
[ASP] Sound
basic sound concepts
[ASP] Speech, Audio, Sound Characteristics
Speech, Audio, Sound Characteristics
sound
[ASP] Sound
basic sound concepts
[ASP] Speech, Audio, Sound Characteristics
Speech, Audio, Sound Characteristics
operator overloading
[Coding Test] Coding Tips 2 : Priority Queue, Bit Operator, etc
C++ Today I Learned
union set
[Coding Test] Coding Tips 2 : Priority Queue, Bit Operator, etc
C++ Today I Learned
trouble shooting
[Coding Test] Coding Tips 2 : Priority Queue, Bit Operator, etc
C++ Today I Learned
ubuntu
[pangtudy web] Install Jenkins to EC2
Jenkins to EC2
[pangtudy web] Web Deployment to EC2
web deployment on ubuntu server
ora error
[Oracle] ORA-28040: 일치하는 인증 프로토콜 없음
ORA-28040 Error
shell script
[Shell] 파일 백업을 위한 Shellscript
existence check for file backup
Git auto-push by shell script
auto push by shell script
example
[Oracle] Join 활용방법과 예제
inner join, outter join, etc.
[Oracle] Constraints 예시와 사용법 (제약 조건)
oracle constraints examples
hash
[Coding Test] 삭제가 가능한 Hash 구현
implementation hash
[Coding Test] 단순 Hash 구현
implementation hash
properties
[Spring Boot] CORS 해결
Fix CORS (Cross Origin Resource Sharing)
[Spring Boot] .properties 파일
.properties 파일
series
[Pandas] Pandas 활용
Pandas Advanced
[Pandas] Pandas 개요
Pandas Introduction
spring mvc
[Spring] Spring MVC Framework 만들기
spring mvc framework self implementation
[Spring] Front Controller Pattern
front controller pattern
linux
[Linux] VM Argument Setup
vm args setting
[Linux] Linux에서 작업하며 배운 몇 가지
lesson and learned on linux
dijkstra
[Algorithms] Dijkstra Algorithms
한 점으로부터 연결된 모든 점까지의 최단 거리를 구하는 알고리즘
bellman-ford
[Algorithms] Bellman-Ford
한 점으로부터 연결된 모든 점까지의 최단 거리를 구하는 알고리즘
floyd-warshall
[Algorithms] Floyd-Warshall
모든 점으로부터 연결된 모든 점까지의 최단 거리를 구하는 알고리즘
Dijkstra
[Algorithm Problem] KCM Travel (BAEKJOON: 10217번)
Dijkstra and Dynamic Programming
Floyd-Warshall
[Algorithm Problem] 운동 (BAEKJOON: 1956번)
Floyd-Warshall 알고리즘을 이용해 루프를 찾는 문제
Meet in the middle
[Algorithms] Meet in the middle
Search technique which is used when the input is small but not as small that brute force can be used
longest increasing subsequence
[Algorithm Problem] 가장 긴 증가하는 부분 수열
가장 긴 증가하는 부분 수열 유형 정리
Brute Force
[Problems] 군주제와 공화제 (SWEA: 10993번)
Implemenataion problem
SQL
[Database] SQL
Basic SQL Concept
Database
[Database] SQL
Basic SQL Concept
kernel
[OS] 운영체제 기초 내용
foundational contents of operating system
shell
[OS] 운영체제 기초 내용
foundational contents of operating system
system call
[OS] 운영체제 기초 내용
foundational contents of operating system
process scheduling
[OS] 프로세스 스케쥴링(1)
process scheduling
long-term scheduler
[OS] 프로세스 스케쥴링(1)
process scheduling
process lifecycle
[OS] 프로세스 스케쥴링(1)
process scheduling
preeptive
[OS] 프로세스 스케쥴링(1)
process scheduling
urllib
[Python] Python file download from url
urllib을 이용한 파일 다운로드
file download
[Python] Python file download from url
urllib을 이용한 파일 다운로드
dp
[Algorithm Problem] 경찰차 (BAEKJOON: 2618번)
Dynamic programming and trace-back
jsp
[Network] GET 요청과 POST 요청의 차이
GET & POST Requests
servlet
[Network] GET 요청과 POST 요청의 차이
GET & POST Requests
combinations
[Problems] 게리맨더링 (BAEKJOON: 17471)
gerrymandering implementation by using combinations and bfs
deque
[Problems] 배열 돌리기 1 (BAEKJOON: 17070)
rotate array 1
samsung
[후기] 삼성전자 입사 후기
Joining Samsung Electronics Review
삼성합격
[후기] 삼성전자 입사 후기
Joining Samsung Electronics Review
삼성 S직군
[후기] 삼성전자 입사 후기
Joining Samsung Electronics Review
spring framework
[pangtudy web] Spring Framework 란?
What is spring framework?
rdbms
[Database] RDBMS 종류
Relational Database Management System Kinds
DFS
[Coding Test] Coding Tips 1 : ABS(x) macro used in DFS
Absolute function, BFS and DFS implementation tip
divide and conquer
[Coding Test] divide and conquer
divide and conquer in cpp
margin of error
[Problems] 균형점 (SWEA: 1245)
approximation by binary searching in margin of error
Hash
[Problems] 암호코드 스캔 (SWEA: 1242)
Hash with Integer Array
jdbc install
[JDBC] JDBC 기본 개념 및 설정 방법, 연결 예제
basic jdbc examples and history
jdbc connection
[JDBC] JDBC 기본 개념 및 설정 방법, 연결 예제
basic jdbc examples and history
ci/cd
[pangtudy web] Install Jenkins to EC2
Jenkins to EC2
data type
[Oracle] Data Types
oracle data types
built-in
[Oracle] Built-in functions
character, numeric, date, null built-in functions
distinct
[Oracle] DISTINCT 사용법과 테스트 테이블
oracle distinct keyword
oracle operator
[Oracle] Operator (산술, 문자열, 비교, 관계, 패턴)
select by using operator
select
[Oracle] SELECT 구절
select sequence and order by
auto push
Git auto-push by shell script
auto push by shell script
rank
[Oracle] 순위 함수
oracle rank functions
constraints
[Oracle] Constraints 예시와 사용법 (제약 조건)
oracle constraints examples
not null
[Oracle] Constraints 예시와 사용법 (제약 조건)
oracle constraints examples
default
[Oracle] Constraints 예시와 사용법 (제약 조건)
oracle constraints examples
join
[Oracle] Join 활용방법과 예제
inner join, outter join, etc.
subquery
[Oracle] 서브 쿼리
sub-query
view
[Oracle] 집합 연산자 사용법과 VIEW
oracle union, minus, intersect, union all operator
maven install
[Maven] Maven 설치 및 등록
maven install
maven
[Maven] pom.xml war 디렉토리 구조 변경 문제
web archive directory changing issue
maven error
[Maven] pom.xml war 디렉토리 구조 변경 문제
web archive directory changing issue
inversion of control
[Spring] IoC Container
inversion of control container
bean post processor
[Spring] BeanPostProcessor
BeanPostProcessor
bean lifecycle
[Spring] Bean 객체 생명주기
bean lifecycle
autowire
[Spring] 자동 주입 (Auto Injection)
auto injection by autowire
collections
[Spring] Collection 주입
collection type injection by beans
pom.xml
[Spring] pom.xml
pom.xml
implements
[Java] implements and extends examples
implements and extends examples
extends
[Java] implements and extends examples
implements and extends examples
dispatcher servlet
[Spring] Controller
spring mvc controller
controller
[Spring] Controller
spring mvc controller
RESTful API
[Spring] RESTful API
RESTful API
testing
[SW Engineering] Software Testing
software testing
trouble shoot
[Oracle] Troubleshoot for executing sqldeveloper
troubleshooting for executing sqldeveloper
sqldeveloper
[Oracle] Troubleshoot for executing sqldeveloper
troubleshooting for executing sqldeveloper
ddl
[Oracle] SQL 활용 예제
CREATE, ALTER, SELECT, INSERT, UPDATE, DELETE
dml
[Oracle] SQL 활용 예제
CREATE, ALTER, SELECT, INSERT, UPDATE, DELETE
dcl
[Oracle] SQL 활용 예제
CREATE, ALTER, SELECT, INSERT, UPDATE, DELETE
jungol
[Problems] 색종이
paper paste by simple for loop
cors
[Spring Boot] CORS 해결
Fix CORS (Cross Origin Resource Sharing)
container
[Container] Container 란?
What is container
docker
[Container] Container 란?
What is container
deep learning
[Deep Learning] Deep Learning 개요
deep learning summary
regular expression
[Python] Byte calculation
정규식(regular expression)을 이용한 바이트 계산
matpplotlib
[Matplotlib] Matplotlib 개요
Matplotlib Introduction
trie
[Algorithms] Trie
trie structure
rest api
[Network] REST API 인증
jwt: json web token
jwt
[Network] REST API 인증
jwt: json web token
hosts
[Network] hosts 파일
hosts file for web development
front controller pattern
[Spring] Front Controller Pattern
front controller pattern
file backup
[Shell] 파일 백업을 위한 Shellscript
existence check for file backup
bit operation
[Coding Test] Bit Operation in cpp
bit operation practice in cpp
thread
[Java] Thread를 활용한 응답
mini server with thread