(한국어) [iPad Drawing] “Starry Night” by Gogh

Practice – Imitation of “Starry Night” by Gogh. #applepencil #ipaddrawing #vincentvangogh bluecore(@bluecor0)님의 공유 게시물님, 2018 6월 26 8:16오전 PDT   218 total views, 2 views today

218 total views, 2 views today

버스 정류장에서..

버스 정류장 근처 어딘가에서 바람을 타고 날아오는 진한 치킨의 향기는 소주를 부르고 있다. 오늘도 남의 살로 살아있음에 감사해야겠다. 239 total views, 2 views today

239 total views, 2 views today

Concept & Implementation of Perceptron

before we go … Reference link Perceptron: https://en.wikipedia.org/wiki/Perceptron Single Layer Perceptron: http://untitledtblog.tistory.com/27 Multilayer Perceptron: http://untitledtblog.tistory.com/35 Let’s start by understanding these contents. In Professor Ian’s Data Mining textbook, perceptron is defined as follows. The resulting polynomial ax ^ 2 + bx ^ 2 + cx ^ 2 + dx ^ 2 + ex ^ 2 +… Read More »

879 total views, 2 views today

Hive – Execution Error

reference: https://cwiki.apache.org/confluence/display/Hive/GettingStarted $ hive [ERROR] Terminal initialization failed; falling back to unsupported java.lang.IncompatibleClassChangeError: Found class jline.Terminal, but interface was expected at jline.TerminalFactory.create(TerminalFactory.java:101) at jline.TerminalFactory.get(TerminalFactory.java:158) Troubleshoot: https://cwiki.apache.org/confluence/display/Hive/Hive+on+Spark%3A+Getting+Started [ERROR] Terminal initialization failed; falling back to unsupported java.lang.IncompatibleClassChangeError: Found class jline.Terminal, but interface was expected Hive has upgraded to Jline2 but jline 0.94 exists in the Hadoop lib. Delete… Read More »

892 total views, 4 views today

Node.js & Development Framework(1) – Node.js

One day, someone introduced me  a framework easy for Full Stack development. Isn’t it good? Say frankly, it’s somewhat so tough to building, customizing & tuning OS / WAS? The names are Node.js & other related framework Let’s start with Node.js Wiki: https://en.wikipedia.org/wiki/Node.js Let me begin with some good points of Node.js Threading –  Unlikely existing WAS,… Read More »

2,415 total views, 4 views today

Designating metadata store as Maria DB to Hive

Installing Maria DB Installation: http://zetawiki.com/wiki/CentOS_MariaDB_%EC%84%A4%EC%B9%98 Check installed  existing Maria DB by “rpm -qa” command Configuring repository: Add Mariadb.repo http://zetawiki.com/wiki/YUM_MariaDB_%EC%A0%80%EC%9E%A5%EC%86%8C_%EC%B6%94%EA%B0%80 Installing by “yum install” command DB Start / Change Password Check Connection / chkconfig on for service control automation Configuring Permission (External Connection): https://mariadb.com/kb/en/mariadb/grant/ Installing Driver: https://downloads.mariadb.org/connector-java/ Getting jdbc URL: http://tibang.tistory.com/454 Hive Configuration hive-site.xml: http://bigmark.tistory.com/35 2,781 total views, 5 views today

2,781 total views, 5 views today

R을 기반으로 한 빅데이터 분석 특강 후기R – Lecture Note

* 이 포스팅은 (주) 박영사에서 출판되는 한성대학교 권혁제 교수님의 “Dance with R”  저서 특강 참여 후기입니다. * 포스팅을 고려하지 않은 후기이므로 사진이 없습니다. ㅜㅜ 날씨가 추워지는 어느 날, 회사 벽에 위 그림과 같은 포스터가 붙었다. “Dance with R”  공짜.. 아니 무료 강좌입니다. 저자의 서명이 들어간 저서 증정 이벤트! 도 있다고 한다. 이렇게 좋은 기회를 놓.칠.소.냐.… Read More »

2,586 total views, 6 views today