標籤:題目:Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until
標籤:import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;/** * 加密工具類 * Created by Administrator on 2015/10/21 0021. */public class EncryptUtils { /** * 字串加密使用MD5演算法 */ public final static String
標籤:import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.Date;import java.util.GregorianCalendar;/** * 日期處理工具類 * Created by Administrator on 2015/10/21 0021. */public class DateUtils { /** *
標籤:幾個基本概念Mono 是什麼鬼?Mono是一個.Net工具,包括c#編譯器和共通語言執行平台,可運行在winodws linux mac unix各種平台,其虛擬機器包含一個Just-In-Time 編譯引擎, Unity3d就是用mono這個東西實現跨平台的估計CIL(Common Intermediate Language通用中繼語言)CIL可以在任何支援CLI(Common Language
標籤:通過web介面修改某個服務時報錯例如對某個服務進行臨時安排其執行時間,或者不讓它發警告,web頁面上都有這樣的設定.但是常常會有錯誤資訊如下:Could not open command file ‘/usr/local/nagios/var/rw/nagios.cmd‘ for update!The permissions on the external command file and/or directory may be incorrect. Read the FAQs on