배우기를 멈추는 사람은 20세건 80세건 늙은 것이다.

fun id(): String { return make() .sparkContext() .applicationId() } https://knight76.tistory.com/entry/YARN%EC%97%90-%EB%B0%B0%ED%8F%AC%EB%90%9C-Spark-%EC%95%A0%ED%94%8C%EB%A6%AC%EC%BC%80%EC%9D%B4%EC%85%98%EC%9D%98-Application-ID-%EC%96%BB%EA%B8%B0 YARN에 배포된 Spark 애플리케이션의 Application ID 얻기 How to get applicationId of Spark application deployed to YARN in ... https://spark.apache.org/docs/2.3.0/a..

ALTER TABLE EMP_DTLS MODIFY COLUMN EMP_ID INT(10) FIRST ALTER TABLE EMP_DTLS MODIFY COLUMN EMP_ID INT(10) AFTER id https://stackoverflow.com/questions/20179801/place-an-existing-column-at-first-position-in-mysql place an existing column at first position in mysql please tell me how to place an existing column(contained values) at first position in mysql. Suppose i have a table EMP_DTLS and there..

val numbers = emptyList() val sumFromTen = numbers.fold(10) { total, num -> total + num } println("folded: $sumFromTen") // folded: 10 val sum = numbers.reduce { total, num -> total + num } println("reduced: $sum") folded: 10 Empty collection can't be reduced. java.lang.UnsupportedOperationException: Empty collection can't be reduced. at kr.leocat.test.FoldTest.test(FoldTest.kt:35) ... https://b..