Why joiner doesn't have not equal to operator in Informatica?

Why doesn\'t Informatica\'s joiner transformation support !=, >=, <= operators? Why should they come up with a conce开发者_高级运维pt like lookup?Joiner transformation is used for vertical consoli

What is the label attribute of <option> really used for?

According to the w3 XHTML specification, the label attribute specifies a shorter label for the option. However (using the try-it tool with FF3.5), I ca开发者_高级运维n\'t see any effect. Hence my ques

楚乔传元淳公主举行笄礼是什么 古代笄礼多少岁举行？