我有位小書友,經常和我交流有什麼好書值得一看,但她看書的速度驚人地快,我經常會覺得自己是龜,她是兔。
這個人,是我的太太。
A Gift to My Children: A Father’s Lessons For Life And Investing 是她最近最欣賞的作者 Jim Rogers 的作品之一, Jim Rogers 的書她已經
天之道,損有餘而補不足,是故虛勝實,不足勝有餘,有餘而力虧,破滅之道也。
全句抄一下老子,加點金庸,補上一句,是想講上一個道理。
豐年有食,人不足儉,災年沒米,無以糊口,家有餘財,富不過三。
講的都是,有餘
import java.io.File
public static long filesize(File file){ long size = 0L; if (file.isFile()){ size = file.length(); } else if (file.isDirectory()){ File[] nFiles = file.listFiles(); for (File nFile : nFiles){ size += filesize(nFile); } } return size;}import java.util.Comparator;import java.io.File;
public class FileComparator implements Comparator{ public static final int NAME = 1; public static final int SIZE = 2; public static final int TYPE = 3; public static final int MODIFY = 4; public static final char ASCENDING = 'A'; public static final char DESCENDING = 'D'; private int method; private char order; public FileComparator(){ this.setMethod(FileComparator.NAME); this.setOrder
投資之王Jim Rogers留給孩子的禮物
我有位小書友,經常和我交流有什麼好書值得一看,但她看書的速度驚人地快,我經常會覺得自己是龜,她是兔。
這個人,是我的太太。
A Gift to My Children: A Father’s Lessons For Life And Investing 是她最近最欣賞的作者 Jim Rogers 的作品之一, Jim Rogers 的書她已經
The impact of single-disk slow writes on mirrors (and other RAID arrays)
We had a performance problem today that we fairly rapidly determinedcame from our mail spool filesystem somehow being too slow. This waspretty impressive, because our mail spool sits on a four-way mirror on our fileservers and we could easilysee that our IO rate on its fileserver wasn't particularly large, wellbelow what we knew things could manage.
(Using NFS with a single interface makes IO rate easy to measuredirectly, no matter how complex your IO system; just look at the networktraffic volume.)
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