삽질은 내친구

<%

    ServletContext ctx = application.getContext("/context-1");

    Integer counter = (Integer)ctx.getAttribute("counter");

    if (counter == null) {

        counter = 0;

    }

    counter++;

    

    request.setAttribute("counter", counter);

    ctx.setAttribute("counter", counter);

%>

<h1>Context-1</h1>

<h1>현재 카운터는 ${counter}입니다.</h1>

<%

    ServletContext ctx = application.getContext("/context-1");

    Integer counter = (Integer)ctx.getAttribute("counter");

    if (counter == null) {

        counter = 0;

    }

    counter++;

    

    request.setAttribute("counter", counter);

    ctx.setAttribute("counter", counter);

%>

<h1>Context-1</h1>

<h1>현재 카운터는 ${counter}입니다.</h1>

$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/user/.ssh/id_rsa):
Enter passphrase (empty for no passphrase): (일단 아무것도 입력하지 않음)
Enter same passphrase again:
Your identification has been saved in /home/user/.ssh/id_rsa.
Your public key has been saved in /home/user/.ssh/id_rsa.pub.
The key fingerprint is:
64:09:73:19:9e:ac:a0:f7:aa:c3:08:f9:0e:5a:fe:61 user@hostname

$ vi authorized_keys
클라이언트의 id_rsa.pub 파일의 내용 복사 후 저장
$ chmod 644 authorized_keys
$ chmod 755 ../.ssh

$ ssh user@remote_server

파이어폭스 플러그인으로 Firebug와 Adblock plus를 설치한 경우 발생

export NLS_LANG='KOREAN_KOREA.AL32UTF8'

-- 현재 설정 조회
select * from nls_database_parameters;

-- 캐릭터셋 업데이트
update sys.props$ set value$='AL32UTF8' where name='NLS_CHARACTERSET';

update sys.props$ set value$='AL32UTF8' where name='NLS_NCHAR_CHARACTERSET';

update sys.props$ set value$='KOREAN_KOREA.AL32UTF8' where name='NLS_LANGUAGE';

-- DB 캐릭터셋 반영
sql> startup mount;
sql> alter system enable restricted session;
sql> alter system set job_queue_process=0;
sql> alter system set aq_tm_processes=0;
sql> alter database open;
sql> alter database character set AL32UTF8;
sql> shutdown immediate;
sql> startup;