這裡有一個老外的blog,其中對AndroMDA是否真正的MDA提出了疑問:http://andrej.racchvs.com/archives/2003/08/10/is-andromda-really-a-mda-tool/內容如下:Is Andromda really a MDA tool?The Andromda project just released version 2 of their tool. According to their website Andromda is
轉自 http://www.modelbased.net/MDA工具列表(最新!)Below are some open source tools of different character: MOFScript , an model to text transformation tool, based on one of the OMG MOF Model to Text Transformation submissions. The IBM Model Transformation
在使用~~~~進行簽名時日期後面是亂碼。 解決辦法:從EditPage.php追究到includes/Parser.php檔案中第2876行。 /* Note: This is the timestamp saved as hardcoded wikitext to * the database, we use $wgContLang here in order to give * everyone the same signiture and use the default one
Collections類中提供了多個synchronizedXxx方法,該方法返回指定集合對象對應的同步對象,從而可以解決多線程並發訪問集合時的安全執行緒問題。集合架構中經常使用的三個實作類別:HashSet、ArrayList、HashMap都是線程不安全的。如果有多個線程訪問它們,而且有超過一個線程試圖修改它們,則可能出現並發錯誤。Collections提供了多個靜態方法用於建立同步集合。eg://建立四個同步的集合對象Collection c =
UML2中的十三種圖:結構圖:Structure Diagram(又稱靜態圖)包括Class, Composite structure,Component, Deployment, Object和Package六種圖行為圖:Behavior Diagram(又稱動態圖)包括Activity, State machine, Use Case Diagrams及四種Interaction圖:Communication, Interaction,Overview, Sequence and
先是這樣一個新聞: 轉自 http://www.umlchina.com/News/Content/231.htm========================================http://home.businesswire.com/portal/site/google/index.jsp?ndmViewId=news_view&newsId=20060118005939&newsLang=en January 18, 2006 03:38 PM US
繼續糾纏MDA的定義 轉自 http://www.sciences.univ-nantes.fr/info/lrsg/Recherche/mda/index.htmlModel-Driven ArchitectureWhat is MDA-omg-omg?We are presently witnessing an important paradigm shift occurring in the area of information system construction, namely
前兩天研究了一下Mediawiki。涉及到使用者的密碼加密,在原始碼中找到了加密的辦法如下:在GlobalFunctions.php中:/** * Encrypt a username/password. * * @param string $userid ID of the user * @param string $password Password of the user * @return string Hashed password */function
轉自steve的blog。其實說得也很簡單,轉載以備忘。更詳細的可以去看Keith Short的這本書:Adapted from Models, Frameworks and Tools,網上有下載。Graphical languages – semantics vs syntaxRecent postings have talked about “semantics” of graphical languages. When I was involved in UML
日前和IBM大牛談到什麼是MDA,有所感,記錄下來吧。* Key standards that make up the MDA-omg suite of standards include Unified Modeling Language (UML); Meta-Object Facility (MOF); XML Meta-Data Interchange (XMI); and Common Warehouse Meta-model (CWM).