GXT: tooltips on individual TreeItems

In the series: “how to lose time by fixing GXT stuff that should work but doesn’t“, today we address tooltips on individual TreeItems. If you ever tried to set a tooltip on a TreeItem and got frustrated because it didn’t work, you might find this post interesting: http://extjs.net/forum/showthread.php?p=329305#post329305 As usual, a lot of time is
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DSLs and non-programmatic ways of expressing requirements

I’ve known about DSLs for a while, but a very interesting presentation by Neal Ford at the TSSJS in Prague last year made me reconsider the subject. Before, I considered DSLs were applicable only in very specific situations, like where there existed a huge number of requirements that were expressed very formally. Think rocket launching
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Oracle acquires Sun – what’s at stake for Java?

The announced acquisition of Sun by Oracle leaves us Java developpers wondering about the future of this platform. Indeed, Oracle has always been supportive of Java, and an Oracle backend is definitely a natural piece in a JEE architecture, but there will be consequences for the Java world. To start with, there are the databases:
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Google App Engine – Where Does It Fit?

In an interesting article about GAE, Dmitriy Setrakyan points out several limitations of the new Java support in the Google App Engine. Most importantly: 1. You have no control over number of deployment instances. 2. You have no control over load balancing 3. You cannot use any of the existing clustering infrastructure you have What
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Google App Engine: killing many birds with one stone

An interesting fact about the new support for Java in the Google App Engine, is that it supports real, standards based Java; in other words it runs JVM bytecode. It might sound like something trivial, but it’s not. In fact, before the announcement many people had speculated that the Java support in GAE would be
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Google Web Toolkit Blog: Introducing GWT 1.6 and friends

Bruce Johnson: Starting today, there is a simpler way to use the JavaTM language to develop and deploy world-scalable web applications. We are very happy to announce today: – Google Web Toolkit 1.6, – An early look at Google App Engine for Java, and the brand-new – Google Plugin for Eclipse that supports a productive
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