LeetCode,leetcodeoj題目:Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted from left to right.The first integer of each row is greater than the last
Windows8下通過IPv4地址訪問Tomcat,windows8ipv4最近在做Android開發,手機用戶端需要通過IPv4地址訪問電腦啟動的Web應用服務。在Windows 7不需要做什麼設定,localhost,127.0.0.1或者192.168.0.100都可以訪問,但是在Windows8下如果不做設定,不能通過IPv4地址訪問。需要通過以下幾步設定: 1、依次選擇:控制台---管理工具---進階安全 Windows 防火牆。2、在進階安全 Windows
LeetCode,leetcodeoj題目:Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.Follow up: Did you use extra space?A straight forward solution using O(mn) space is probably a bad idea.A simple improvement uses O(m +
如何在RCP程式中添加一個banner欄,rcp添加banner欄前言:這段時間還算比較空閑,我準備把過去做過的有些形形色色,甚至有些奇怪的研究總結一下,也許剛好有人用的著也不一定,不枉為之抓耳撓腮的時光和浪費的電力。以前有個客戶提出要在RCP程式中添加一個banner欄,研究了很久才搞定。代碼是基於eclipse4.3.2的。先看一下效果預覽:public class CustomTrimmedPartLayout extends TrimmedPartLayout { public
Java並發和多線程2:3種方式實現數組求和本篇示範3個數組求和的例子。例子1:單線程例子2:多線程,同步求和(如果沒有計算完成,會阻塞)例子3:多線程,非同步求和(先累加已經完成的計算結果)例子1-代碼package cn.fansunion.executorservice;public class BasicCaculator {public static long sum(int[] numbers){ long sum = 0; for(int