(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   276 total views, 5 views today

276 total views, 5 views today

버스 정류장에서..

버스 정류장 근처 어딘가에서 바람을 타고 날아오는 진한 치킨의 향기는 소주를 부르고 있다. 오늘도 남의 살로 살아있음에 감사해야겠다. 277 total views, no views today

277 total views, no 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 »

934 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 »

982 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 »

2,557 total views, 1 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 2,919 total views, 7 views today

2,919 total views, 7 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 »

2,673 total views, 1 views today