[java] PreparedStatement parameter indices start at 1

https://stackoverflow.com/questions/27592500/prepared-statement-parameter-index-out-of-range-0-1 Prepared statement Parameter index out of range (0 < 1 ) Am not expert on web application, recently am writing a small webapp for my mobile app using servlets. My agenda is to receive data from client, and to put it into db. everything is running fine ex... stackoverflow.com
공부 2022. 9. 26. 02:29
[github] rest api

https://octokit.github.io/rest.js/v18#issues-list-milestones octokit/rest.js octokit.github.io
공부 2022. 9. 26. 02:27
[MacOSX] 잠자기 방지 `sudo pmset -c disablesleep` 1 or 0

sudo pmset -c disablesleep 1 sudo pmset -c disablesleep 0 https://our-ef.tistory.com/entry/%EB%A7%A5%EB%B6%81-%ED%99%94%EB%A9%B4%EB%9A%9C%EA%BB%91-%EB%8D%AE%EC%96%B4%EB%8F%84-%EC%95%88%EA%BA%BC%EC%A7%80%EA%B2%8C-%EC%84%A4%EC%A0%95%ED%95%98%EB%8A%94%EB%B2%95-%EC%9E%A0%EC%9E%90%EA%B8%B0-%EB%B0%A9%EC%A7%80 맥북 화면/뚜껑 덮어도 안꺼지게 설정하는법 (잠자기 방지) 자리를 옮겨야 하는데다운로드가 생각보다 오래걸린적이 있었다. 이때 노트북 인터넷 연결을 핫스팟으로 변경하고..
공부/툴 2022. 9. 26. 02:22
[spark] repartition() vs coalesce()

### repartition Node 1 = 1,2,3 Node 2 = 4,5,6 Node 3 = 7,8,9 Node 4 = 10,11,12 ### coalesce: minimize data movement Node 1 = 1,2,3 + (10,11,12) Node 3 = 7,8,9 + (4,5,6) https://stackoverflow.com/questions/31610971/spark-repartition-vs-coalesce Spark - repartition() vs coalesce() According to Learning Spark Keep in mind that repartitioning your data is a fairly expensive operation. Spark also has..
공부 2022. 9. 26. 01:57
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