There’s a post over at PM Student by Dr Paul Giammalvo comparing project management certifications. I have some more to say about this article later, but I just wanted to put out a quick post about how the PRINCE2 qualifications score in this.Full
Website speed is a major part of optimizing your websites for users and search engines. The faster your website loads, the less the users have to wait, which will reduce your site’s bounce rate. If your website loads slower, most users will not
This is an extremely important and yet simple to implement SEO tip about those “w’s” you often see in a web address. This will seem basic to many people, but it is shocking how often it is misunderstood, handled incorrectly, or overlooked. If you do
This is Part II in a two-part series. Part I covers the Trade Me application architecture.Tim’s second lot of questions are about our dev tools and process:Q: Any third party tools in the software or the dev/management process?Q: What source control
NaN 表示 0.0/0.01. NaN = not a number 2. NaN =! NaN 就這樣的哇 我感覺這種東西沒有什麼大的意思的 理解就好啦 還有null 和 undefined 另外 null 未定義或Null 字元串 undefined 對象屬性不存在 OR 聲明了變數但從未賦值。 java裡邊的,不是js這樣比較肯定是不行的。 NEGATIVE_INFINITY、POSITIVE_INFINITY、NaN只是一個固定的標誌值NaN不是一個數,所以用<,<
舉個例子:Data Object:public class Book { private int id; private String name; private int categoryId; }public class Category { private int id; private String name;}JSP:<s:doubleselect list="categoryList"