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    <p>Pitfalls that we've run into:</p> <ul> <li><p>While you can get a lot of mileage from using something like GWT EXT, any time you use this sort of thin veneer on top of a JavaScript library, you lose the ability to debug. More than once I've bashed my head on the desk because I cannot inspect (inside my IntelliJ debugger) what's happening in the GWT EXT table class... All you can see is that it's a JavaScriptObject. This makes it quite difficult to figure out what's gone wrong...</p></li> <li><p>Not having someone on your team who knows CSS. From my experience, it didn't matter that the person wasn't expert...it's enough that he has some good working knowledge, and knows the right terms to google when necessary.</p></li> <li><p>Debugging across browsers. Keep an eye on Out of Process Hosted Mode[<a href="http://code.google.com/p/google-web-toolkit/wiki/DesignOOPHM" rel="nofollow noreferrer">1</a>][<a href="http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/4a62dd27602d822d/c37fece9c24f3715?lnk=gst&amp;q=noserver" rel="nofollow noreferrer">2</a>][<a href="http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/1203bb0f1eb36ad5" rel="nofollow noreferrer">3</a>], hopefully coming in GWT 1.6... For now, you just have to get things good with hosted mode, then use the "Compile/Browse" button, where you can play with other browsers. For me, working on Windows, this means I can view my work in FireFox, and use FireBug to help tweak and make things better.</p></li> <li><p>IE6. It's amazing how different IE 6 will render things. I've taken the approach of applying a style to the outermost "viewport" according to the browser so that I can have CSS rules like:</p> <pre><code>.my-style { /* stuff that works most everywhere */ } .msie6 .my-style { /* "override" so that styles work on IE 6 */ } </code></pre></li> </ul> <p>Finally, make sure you use an editor that helps you. I use IntelliJ -- it's got lots of GWT smarts. E.g., If I try to use a class that isn't handled by the JRE emulation, it lets me know; if I specify a style for a widget, and I haven't defined that style yet, the code gets the little red squiggly... Or, when looking at the CSS, it will tell me when I've specified conflicting attributes in a single rule. (I haven't tried it yet, but I understand that version 8 has even better GWT support, like keeping the "local" and "async" RPC interfaces and implementations in sync.)</p>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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