Do Check List

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Android

1. Retrofit vs Asynctask vs Volley
2. android life cycle
3. recyclerView vs listView
4. aar
5. diffrence of android version 5 6 7
6. ndk
7. native, hybrid, web app
8. firebase
9. android support library
10. activity vs fragment
11. FUSE
12. realm vs sqlite
13. gcm vs fcm
14. RxAndroid, RxJava

Server

1. MySQL vs oracle
2. rDBMS vs NoSQL
3. aws vs gcp
4. web network communication (주소 입력 시 일어나는 일들)
5. paging
6. vitual memory
7. why use index on RDBMS
8. log management
9. monitoring
10. Database Normalization
11. Session vs Cookey
12. Druid

Concept

1. MVC
2. MFC
3. APM
4. Apache Tomcat
5. Rest(ful) API
6. API
7. CRUD
8. OAuth 2.0
9. thread life cycle
10. spring
11. deadlock
12. JVM
13. OSI7 Layer
14. gradle
15. maven
16. TCP/IP vs UDP
17. Thread vs Process
18. VR vs AR vs MR
19. git vs svn
20. OOP
21. AOP
22. CheckedException vs UnCheckedException

Language

1. lambda or Functional language (Scala, etc..)
2. c, c++, java
3. script language
4. object c vs swift
5. d3.js
6. java collection framework
7. react.js vs angular.js
8. MEAN

Algorithm

1. why use C in algorithm
2. backtracking
3. best performance sort by insert, select, bubble
4. worst case quick sort
5. tree (b, b+, b- ...) 6.heap sort