목록분류 전체보기 (1764)

develog

Object.toString(), System.identityHashCode()

Object obj = new Object();System.out.println("1. " + obj.toString()); System.out.print("2. ");System.out.print(obj.getClass().getName());System.out.print("@");System.out.print(Long.toHexString(System.identityHashCode(obj)));System.out.println(); // console1. java.lang.Object@1c78e572. java.lang.Object@1c78e57
Dev/Java 2013. 7. 2. 13:19
진수 변환

Long num = 29855319L;System.out.println("10진수: " + num);System.out.println(" 2진수: " + Long.toBinaryString(num));System.out.println(" 8진수: " + Long.toOctalString(num));System.out.println("16진수: " + Long.toHexString(num)); // console10진수: 29855319 2진수: 1110001111000111001010111 8진수: 16170712716진수: 1c78e57
Dev/Java 2013. 7. 2. 13:17
vi tab size 변경

[dev@dev01 ~] cd[dev@dev01 ~] vi ~/.exrcset ts=4:wq[dev@dev01 ~]
OS & Shell/Linux 2013. 7. 2. 11:05
log4sql

- log4sql, stable 버전 다운로드 http://sourceforge.net/projects/log4sql/files/log4sql/ - log4sql.jar 라이브러리에 추가 - driverClassName 변경 driverClassName="core.log.jdbc.driver.OracleDriver"
Dev/Java 2013. 6. 28. 18:02
ls 용량 정렬

용량 내림차순ls -lhS 용량 오름차순ls -lhSr
OS & Shell/Linux 2013. 6. 27. 18:16
spring pointcut expression syntax

http://static.springsource.org/spring/docs/2.5.x/reference/aop.html execution(modifiers-pattern? ret-type-pattern declaring-type-pattern? name-pattern(param-pattern) throws-pattern?)
Dev/Java 2013. 6. 27. 16:07
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