개 발 일 지 030

!-- sqlite3

  NSLog(@"DB_LOCATION %@", [[[NSFileManager defaultManager]URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask]lastObject]);

/Users/junhoha/Library/Developer/CoreSimulator/Devices/A2DE2EEB-1397-412C-9FDB-FF9BFDCE8FEB/data/Containers/Data/Application/FF679A2B-5AE9-46B9-A1F5-2F7B776F6764/Documents/


!-- Sort

https://developer.apple.com/library/archive/documentation/Cocoa/Conceptual/SortDescriptors/SortDescriptors.html#//apple_ref/doc/uid/10000174-BCICJDHA

Incompatible pointer types initializing 'NSMutableArray *' with an expression of type 'NSArray *'

'autorelease' is unavailable: not available in automatic reference counting mode

https://simyungk.tistory.com/18

Array copy
copiedList= [[NSMutableArray alloc] initWithArray:sortedArray copyItems:YES ];

copiedList=[[[NSMutableArray alloc] initWithArray:sortedArray copyItems:YES ] retain];

copiedList=[NSMutableArray arrayWithArray:sortedArray];


!-- 구글의 모든 제품 목록 

https://about.google/intl/ALL_kr/products/


!-- inner join outer join

https://www.codeproject.com/Articles/33052/Visual-Representation-of-SQL-Joins

!-- 몽고 DB, realm 램 인수

https://www.zdnet.co.kr/view/?no=20190426105604

https://www.zdnet.co.kr/view/?no=20191031170252

써 보자

Welcome to Realm Cloud
Create your first cloud instance by clicking the "Create New Instance" button.
Follow the arrow!

We love your feedback!
Thank you for using Realm Cloud! We really appreciate to get feedback about your experience using Realm Cloud and what you would like us to improve. You can always send us an email or participate in our forums.



Create New Instance
Instance name
testdb001
Instance id
testdb001
 Looking good!
Region

https://testdb001.us1.cloud.realm.io

Your instance is ready

testdb001.us1.cloud.realm.io
Realm Cloud gives your Realm Database a syncing object server in the cloud. Although this instance link is ready to use in any project, we recommend starting with our demo apps documented below.

Build a demo project
Our ToDo demo app is the best way to try Realm Cloud. You can quickly try it out with our step-by-step instructions — just copy your app link from above, and choose an OS:

If you have any issues, questions or comments visit our Forums.

https://docs.realm.io/sync/getting-started-1/step-1-my-first-realm-app

https://github.com/realm/my-first-realm-app

sudo gem install cocoapods

pod isntall

참 편하긴 하네.

!-- 아나콘다 제품 편리하네.

https://anaconda.org/gallery
갤러리도 잼남.

 

anaconda mac install

python numpy

3.7 version

jupyter notebook server

folder 생성

new python3

hello python.ipynb

print('hello world') - run

!-- 데이터 베이스 변경
db 칼럼 추가 
데이터 모델 변경
db insert sql 부분 변경


!-- 영상강좌 유무료 사이트
1. https://www.edx.org/ : 세계 유명 대학의 Computer Science 강좌를 들을 수 있음
2. 모두의연구소(http://www.modulabs.co.kr/, 새단장중)
3. Coursera(Data Science 추천)
4. K-Mooc(유튜브 채널 있음)
5. 왼손코딩(유튜브 채널) : Python
6. 생활코딩(https://opentutorials.org/course/1)
7. 동빈나 : 알고리즘, 입사문제풀이
8. 인프런(https://www.inflearn.com/)
9. 구름EDU
10. UDACITY
11. codecademy
12. codeschool
13. KOCW(http://www.kocw.net)
14. 코딩도장(https://dojang.io/) : Python, C
15. 클래스101
16. 패스트캠퍼스
2. 알고리즘 사이트
1. https://www.hackerrank.com/
2. http://dovelet.com
3. http://www.koistudy.net/
4. www.acmicpc.com
5. https://algospot.com
6. 백준 알고리즘
7. 코딩도장(http://codingdojang.com/)
8. 매일프로그래밍(https://mailprogramming.com/)
9. Codility, LeetCode
10. https://dmoj.ca/problems/
11. goormlevel
13. topcoder
14. https://projecteuler.net
15. http://codeup.kr
16. http://codeforces.com/
17. codewars
18. https://codingcompetitions.withgoogle.com/codejam/archive
19. oj.uz
20. http://codingfun.net/
21. https://atcoder.jp/
22. 프로그래머스
23. leetcode
3. 제보사이트
1. www.dafit.me : 데이터사이언스 연습문제은행 사이트
2. Kaggle(https://www.kaggle.com/)
3.소프트웨어야 놀자(https://www.playsw.or.kr/main)
4. edwith(https://www.edwith.org/boost-course/intro)
5. 삼성전자 주니어 소프트웨어 아카데미(https://www.juniorsw.com/Academy/Story?CategoryID=6)
6. 글로벌 비영리 기관 위민 후 코드(https://www.womenwhocode.com/resources)

출처: <https://www.facebook.com/groups/1722427378043847/permalink/2559241694362407/> 

정리 잘하시는 페친님