공부할 때 참고하면 좋을만한 사이트

[C#]

https://www.csharpstudy.com/

http://www.infopub.co.kr/info/ebook/pdf/8054-468.pdf

https://blog.hexabrain.net/category/%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D%20%EA%B4%80%EB%A0%A8/C%23?page=3

구글 검색어 : 바로 실행하면서 배우는 C#

https://www.pinvoke.net/default.aspx/user32.setfocus - win32

https://csharp.hotexamples.com/ - 예제 사이트

https://csharpindepth.com/Articles

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[Java]

https://wikidocs.net/book/31

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[Machine Learning]

https://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.dc36271_1251/html/blocks/X22234.htm - 머신러닝 용어집

https://wikidocs.net/book/587 - Machine Learning 강의노트

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[Python]

https://wikidocs.net/book/2070

https://wikidocs.net/book/1553

https://wikidocs.net/book/2 - 왕초보를 위한 Python: 쉽게 풀어 쓴 기초 문법과 실습

https://076923.github.io/posts/Python-tkinter-1/ - tkinter : GUI에 대한 표준 Python 인터페이스 이며, Window 창을 생성할 수 있다.

https://docs.python.org/ko/3/tutorial/modules.html

https://wikidocs.net/book/2165 - PyQt5 Tutorial - 파이썬으로 만드는 나만의 GUI 프로그램

https://wikidocs.net/book/110 - 파이썬으로 배우는 알고리즘 트레이딩

https://wikidocs.net/book/536 - Python Snippets - 파이썬 조각 코드 모으밉

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[Sybase]

https://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.dc36271_1251/html/blocks/X22234.htm

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[PostgreSQL]

https://www.postgresqltutorial.com/

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[Web]

https://poiemaweb.com/ - HTML5, CSS3, JS, ECMAScript6, Node.js, Express 등등

https://www.w3schools.com/

https://ofcourse.kr/

https://www.codecademy.com/

https://code.org/

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[Node.js]

https://pyrasis.com/nodejs/nodejs-HOWTO#express---

https://m.youtube.com/playlist?list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm

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[Delphi]

https://opentutorials.org/course/3107/19278

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[종합]

https://thebook.io/

https://www.inflearn.com/

https://www.youtube.com/channel/UCqRTjWqD-ZWHj0ZoPSKVWBw/playlists - React, Spring, Python, Java

https://opentutorials.org/course/1 - 생활코딩

https://dojang.io/course/view.php?id=2 - C언어, Python

https://edu.goorm.io/

http://tcpschool.com

https://www.fun-coding.org/daveblog.html - Python, 크롤링/데이터 분석, 컴퓨터 공학/리눅스와 클라우드, 데이터베이스(SQL/NoSQL)

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[기타]

https://colorscripter.com/

https://pygments.org/demo/

https://ideone.com/ - 바로 실행해볼 수 있는 사이트

https://onea01.tistory.com/137 - 명명 규칙

https://yozm.wishket.com/magazine/detail/1836/ - 나쁜 자바스크립트 작성 습관과 작별하기

계속 추가 예정~.~