O'REILLY NETWORK'S ONJava.com NEWSLETTER
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The Independent Source for Enterprise Java
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Are You a Maker?
Introducing Make: Technology on Your Time
For those of us who just can't stop tinkering, disassembling, re-creating,
and inventing cool new uses for the technology in our lives, later this
month O'Reilly will unveil the premier volume of MAKE -- the first
do-it-yourself magazine dedicated to the incorrigible and chronically
incurable technology enthusiast in all of us. Become a charter subscriber
and O'Reilly will send you the fifth volume -- a $14.99 value -- free just
for being one of the first to say "yes" to MAKE.
Go to https://www.pubservice.com//MK/Subnew.aspx?PC=MK&PK=M5ZJAVA and
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Greetings...
It's a new year, but has that much changed? Lots of us are still working
on websites, and the two things most people want from their web
applications are more features and more speed. We can't help you with the
features--that's your job--but the performance we may be able to help
with.
Andrei Cioroianu writes, "Content caching is one of the most common
optimization techniques used in web applications, and it can be
implemented easily. For example, you can use a custom JSP tag--let's call
it <jc:cache>--to wrap every page fragment that must be cached between
<jc:cache> and </jc:cache>. Any custom tag can control when its body (i.e.
the wrapped page fragment) is executed, and the dynamic output can be
captured. The <jc:cache> tag lets the JSP container (e.g. Tomcat) generate
the content only once, storing each cached fragment as a JSP variable in
the application scope. Every time the JSP page is executed, the custom tag
inserts the cached page fragment without re-executing the JSP code that
generated the output." In Caching Dynamic Content with JSP 2.0, he takes
this a step further, allowing the cached content to be customized for each
request or each user.
http://www.onjava.com/pub/a/onjava/2005/01/05/jspcache.html
ONJava's second reader survey of 2004 recently concluded, and the article
Results from the Second 2004 ONJava Reader Survey compiles the responses.
Did dominant tools tighten their grip on developers' loyalty, or are there
new tools that demand your attention? Where do developers expect the Next
Big Thing to come from? What kinds of articles do you want to see on
ONJava in 2005? The answers to these questions and more are in the survey
summary, so please have a look and contribute any ideas and opinions in
the talkback section.
http://www.onjava.com/pub/a/onjava/2005/01/05/2004-survey-2-results.html
One topic that we got a lot of requests for is Hibernate, and in that
spirit, we're re-running the article Working with Hibernate in Eclipse by
James Elliot, author of Hibernate: A Developer's Notebook. In it, he
investigates the "Hibernate Synchronizer," an Eclipse plug-in that lets
you create and edit your object-relational mapping in an Eclipse GUI, and
then manages several implementation classes for you, changing them
automatically as you change the mapping, ensuring that the mapping class
exposed to you won't suddenly change out from under you.
http://www.onjava.com/pub/a/onjava/2005/01/05/hibernate.html
Please join us again next week.
Chris Adamson, editor
ONJava.com
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Register for the 4th annual O'Reilly Emerging Technology Conference
March 14-17, 2005, San Diego, California
http://conferences.oreillynet.com/etech/
Come immerse yourself in a network of like minds. This year's theme is
"Remix," dedicated to finding new ways to further the hacker spirit,
extend the architecture of participation, and uncover unconventional
innovations. Be there to see what the buzz is all about. Be there and
Remix with the best of the best!
For all the scoop on tutorials, featured speakers, and conference events,
check out http://conferences.oreillynet.com/etech/ Register before Jan.
31, 2005 to take advantage of great early bird discounts.
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