29 января 2009

Y Pipes & YQL

Yahoo Pipes сделали огромнейший прыжок вперед:

We just added a new source module: YQL.

YQL complements Pipes by allowing you to fetch, aggregate and mash up data from many sources using a SQL-like SELECT syntax. To find out more about YQL click here.

To use YQL, simply enter a YQL statement (select * from feed where url='http://digg.com/rss/index.xml') into the textarea. To drill down further into the result set you can use either the Pipes Sub-element module or by using projection in a YQL statement. For example: select title from feed where url='http://digg.com/rss/index.xml' returns only the titles from the Digg RSS feed.

Примеры запросов

select * from feed where url='http://rss.news.yahoo.com/rss/topstories'

select * from html where url="http://finance.yahoo.com/q?s=yhoo" and xpath='//div[@id="yfi_headlines"]/div[2]/ul/li/a'

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What to do?

Problem:
you have site designed in a dark theme, saying dark background, white font.
By default google toolbar autocomplete cracks html for inputs or selects containg "email" "name" "address" and other buzzwords and changes background to yellow. As a result when visitor fills form, he enters text as white on yellow and can not easy validate his input
What to do?

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item http://www.voronenko.com/2009/01/y-pipes-yql.html