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# List Java versions installed /usr/libexec/java_home -V # Java 10 export JAVA_HOME=$(/usr/libexec/java_home -v 10) # Java 9 export JAVA_HOME=$(/usr/libexec/java_home -v 9) # Java 1.8 export JAVA_HOME=$(/usr/libexec/java_home -v 1.8) # Java 1.7 export JAVA_HOME=$(/usr/libexec/java_home -v 1.7) # Java 1.6 export JAVA_HOME=$(/usr/libexec/java_home -v 1.6)

꼬꼬마 2018. 5. 30. 22:23

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) 이런 에러가 나오면 당황하지 말고 mysql 서버나 올리세요. mysql.server start

꼬꼬마 2017. 12. 7. 14:19

http://www.mattboldt.com/demos/typed-js/

꼬꼬마 2017. 11. 22. 23:08

gmavenplus intellij plugin 이거 깔아보세요

꼬꼬마 2017. 8. 21. 10:41

사내 아두이노 동호회 가입했다! 1. 키보드 만들기 2. 로봇 청소기 만들기 3. 프로듀스 응원봉 (응...?)

꼬꼬마 2017. 6. 8. 12:19

SELECT LEAD(id) OVER () AS prev, -- offset rows after the current row within the partition LAG(id) OVER AS next -- offset rows before the current row within the partition

꼬꼬마 2017. 6. 7. 17:15

Utility classes, which are a collection of static members, are not meant to be instantiated. Even abstract utility classes, which can be extended, should not have public constructors. Java adds an implicit public constructor to every class which does not define at least one explicitly. Hence, at least one non-public constructor should be defined. Noncompliant Code Exampleclass ..

꼬꼬마 2017. 5. 23. 13:25

parameterType="map" 이고, <selectKey></selectKey>를 쓰고 insert into table values(#{id}, ....) 를 쓰셨나요? 이럴때는 <selectKey> 말고 insert into table values(nextval('seq'), ....) 이렇게 바로 써줘야합니다ㅠㅠ map이라서 #{id} 라고 했을때 그냥 null로 알아먹는 듯ㅠ 두시간 짜리 삽질 ㅠ

꼬꼬마 2017. 3. 15. 22:06