標籤:概述本文講述GreenDao對關係資料的支援。分別為ToOne, ToMany.雙向關聯Tree RelationsTo-One相當於外鍵關係。// The variables "user" and "picture" are just regular entitiesProperty pictureIdProperty = user.addLongProperty("pictureId").getProperty();
標籤:leetcode c++ 問題描述Trapping Rain Water Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.For
標籤:修鍊-------------Android TabHost,TabWidget選項卡總結Android之TabHostTabHost,個人理解為選項卡的容器,是一種特殊的FrameLayout布局(幀布局)根據SDK文檔,Container for a tabbed window view. This object holds two children: a set of tab labels that the user clicks to select a specific tab,
標籤: 前一天準備下載VS2015預覽版,到VisualStudio官網一看,發現微軟發布了VisualStudio2013的外掛程式——Visual Studio Tools for Apache Cordova,實現跨平台的開發。官網:http://www.microsoft.com/en-us/download/details.aspx?id=42675,下面是: 點擊下載擴充外掛程式,雙擊開始安裝,第一次開啟出現如下錯誤: 這個是缺少了Windows Management
標籤:1、js 判斷IOS版本號碼先來觀察 iOS 的 User-Agent 串:iPhone 4.3.2 系統:Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_2 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8H7 Safari/6533.18.5iPone 5.1 系統:Mozilla/5.0 (iPhone; U;