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Chapter 7 Transforming XML with XSLT In this chapter: XSLT Processing Mechanics Single-Template Stylesheets Understanding Input and Output Options Improving Flexibility with Multiple Templates We've used XSLT stylesheets in previous chapters to transform database-driven XML into HTML pages, XML datagrams of a particular vocabulary, SQL scripts, emails, and so on. If you're a developer trying to harness your database information to maximum advantage on the Web, you'll find that XSLT is the Swiss Army knife you want permanently attached to your belt. In a world where the exchange of structured information is core to your success, and where the ability to rapidly evolve and repurpose information is paramount, Oracle XML developers who fully understand how to exploit XSLT are way ahead of the pack. XSLT 1.0 is the W3C standard language for describing transformations between XML documents. It is closely aligned with the companion XPath 1.0 standard and works in concert with it.
The Exceptional Performance team has identified a number of best practices for making web pages fast. The list includes 35 best practices divided into 7 categories. Minimize HTTP Requests tag: content 80% of the end-user response time is spent on the front-end. Most of this time is tied up in downloading all the components in the page: images, stylesheets, scripts, Flash, etc.
AWS Free Usage Tier (Per Month): Elastic Compute Cloud (EC2) 750 hours of Amazon EC2 Linux † Micro Instance usage (613 MB of memory and 32-bit and 64-bit platform support) – enough hours to run continuously each month * 750 hours of Amazon EC2 Microsoft Windows Server ‡ Micro Instance usage (613 MB of memory and 32-bit and 64-bit platform support) – enough hours to run continuously each month * 750 hours of an Elastic Load Balancer plus 15 GB data processing* 30 GB of Amazon Elastic Block Storage , plus 2 million I/Os and 1 GB of snapshot storage *