Free pascal에서 SQLite 사용하기
Free Pascal이나 Lazarus에 기본으로 있는 sqlite 관련 컴포넌트를 리눅스 환경에서 사용할 경우 Close나 Free를 호출할 경우 알…
Peak Detection
Introduction Musical instrument signals generally consist of a transient portion and steady state or quasi-periodic portion. The…
각종 데이터베이스의 JDBC 다운로드 링크
DB2 UDBMySQLOraclePostgreSQLSQL ServerSQL Server (open source driver)SQLiteSybase 출처: http://www.smithproject.org/smith_download.cfm
TCP TIME-WAIT 상태 이해하기
TIME-WAIT 상태란, 연결 종료 시 마지막 패킷 전송 실패를 대비하기 위한 상태이다. TCP 연결 종료과정은 four-way handshaking을…
날짜 비교 콘솔 프로그램 – DateCompare
파일을 주기적으로 백업하는 배치 파일 등을 작성하다 보면 날짜를 계산하거나 특정 파일에 저장된 날짜를 읽어들여 그 날짜를…
tomcat 재시작 쉘스크립트
tomcat pid를 찾아서 강제 종료시키고, 다시 시작시키는 쉘 스크립트입니다. 간혹 shutdown.sh로 종료가 안되는 경우가 있는데.. 이럴 경우에…
X connection to localhost:10.0 broken (explicit kill or server shutdown).
X connection to localhost:10.0 broken (explicit kill or server shutdown). Starting RapidMiner using the non-GUI script named…
java.io.File.renameTo fails on a NFS mounted location
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package some.package;<br /><br />import java.io.BufferedInputStream;<br />import java.io.BufferedOutputStream;<br />import java.io.File;<br />import java.io.FileInputStream;<br />import java.io.FileOutputStream;<br />import java.io.FileNotFoundException;<br />import java.io.IOException;<br /><br />/**<br /> * This class contains static methods that perform <br />operations on files<br /> * Due to limitations of File objects across NFS mounted <br />filesystems<br /> * this class provides a workaround<br /> *<br /> */<br /><br />public final class FileUtils<br />{<br /> /** Private constructor to prevent instantiation.<br /> * All of the methods of this class are static.<br /> */<br /> private FileUtils()<br /> {<br /> //prevent instantiation;<br /> }<br /><br /> /** Copy a File<br /> * The renameTo method does not allow action across NFS <br />mounted filesystems<br /> * this method is the workaround<br /> *<br /> * @param fromFile The existing File<br /> * @param toFile The new File<br /> * @return <code>true</code> if and only if the renaming <br />succeeded;<br /> * <code>false</code> otherwise<br /> */<br /> public final static boolean copy (File fromFile, File toFile)<br /> {<br /> try<br /> {<br /> FileInputStream in = new FileInputStream(fromFile);<br /> FileOutputStream out = new FileOutputStream(toFile);<br /> BufferedInputStream inBuffer = new BufferedInputStream<br />(in);<br /> BufferedOutputStream outBuffer = new <br />BufferedOutputStream(out);<br /><br /> int theByte = 0;<br /><br /> while ((theByte = inBuffer.read()) > -1)<br /> {<br /> outBuffer.write(theByte);<br /> }<br /><br /> outBuffer.close();<br /> inBuffer.close();<br /> out.close();<br /> in.close();<br /><br /> // cleanupif files are not the same length<br /> if (fromFile.length() != toFile.length())<br /> {<br /> toFile.delete();<br /> <br /> return false;<br /> }<br /> <br /> return true;<br /> }<br /> catch (IOException e)<br /> {<br /> return false;<br /> }<br /> }<br /><br /> /** Move a File<br /> * The renameTo method does not allow action across NFS <br />mounted filesystems<br /> * this method is the workaround<br /> *<br /> * @param fromFile The existing File<br /> * @param toFile The new File<br /> * @return <code>true</code> if and only if the renaming <br />succeeded;<br /> * <code>false</code> otherwise<br /> */<br /> public final static boolean move (File fromFile, File toFile)<br /> {<br /> if(fromFile.renameTo(toFile))<br /> {<br /> return true;<br /> }<br /><br /> // delete if copy was successful, otherwise move will fail<br /> if (copy(fromFile, toFile))<br /> {<br /> return fromFile.delete();<br /> }<br /><br /> return false;<br /> }<br />}<br /><br /><br />http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4073756<br /> |
jQuery Vs Prototype
출처: http://www.chazzuka.com/blog/index.php?p=47&t=jquery-vs-prototype-javascript-framework.html