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javascript的superclass继承
<script> function A(a){ this.x = a; } function B(a,b){ alert(a); this.superclass(a); this.y = b; } B.p...
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Star Schema
http://www.orafaq.com/node/2286A Layman's Understanding of Star Schemas.Submitted by Kevin Meade on Sat, 2009-09-26 22:34 WarehousingStar Schemas are proliferating with warehouses these days....
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Oracle Model Clause
SELECT country,prod, YEAR,sales FROM sales_view WHERE country IN ('Italy','Japan')MODEL RETURN UPDATED ROWS PARTITION BY (country)DIMENSION BY (prod, YEAR)MEASURES (sale sales)RULES( sales['Bounc...
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Javascript window.open
最近项目当中遇到了一个javascript浏览器的兼容问题使用window.open打开新的窗口。以下是代码： function openMenuUrl(url, windowId){ if(windowId){ windowId = windowId ...
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Web应用程序优化
http://developer.yahoo.com/performance/rules.htmlBest Practices for Speeding Up Your Web SiteThe Exceptional Performance team has identified a number of best practices for making web pages fast. The...
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Merge语法限制
1. unable to get a stable rows 2. 在update语句中无法使用on中出现过的字段
