Category Archives: JavaMedia
4 Times Java(Script) on the Web: Roo on GAE, Code Playground, JS1k, and Applets
Here is a look at some of the better things I’ve stumbled across on the Internet. If you like this blog, you’ll love them too: creating Spring Roo applications and deploying them on Google App Engine, Google’s Code Playground, a 1kB JavaScript contest, an electronics Java applet and a bonus.
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Spring, JDO and transactions on Google App Engine
Although I haven’t mentioned it in a while, I’m still continuing development on my Vaadin project. As with all new technology, sometimes some frustration is involved. Here’s an overview of how I’m currently using Spring’s transaction management and its JDO support. The setup seems easy enough, until you try to run it on the actual [...]
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The Perfect Programming Language
While learning Python, I’ve also been thinking about what the perfect programming language should look like. So Rob Pike’s talk at OSCON on the reasons behind Google’s Go came at the perfect time.
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GWT vs Handcrafted JavaScript
It’s something I’d been wondering for a while: how does GWT’s JavaScript code stack up to code created and optimized by hand? I hadn’t really seen any exact data, until now.
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Creating PDF File on Google App Engine
As part of an application I’m working on, I’d like to create documents in PDF format. I’ve mentioned this before, but it wasn’t until last weekend that I actually got started implementing my solution. The solution consists of generating HTML documents, exporting them to Google Docs and finally, exporting that newly created document to a [...]
Spring Security Authentication Inside a Vaadin Application
Securing Vaadin applications isn’t as straightforward as it looks. There are a few options already available: The AppFoundation add-on provides an authentication module, but it uses statics to access its functions, which I don’t like and it uses EclipseLink, a technology I have no experience with (and I don’t think it works with the Google [...]
Three jQuery Tutorials for a Perfect Photo Wall
I’ve been doing a little research into jQuery and the many many plugins and tutorials available. Vaadin and GWT can be nice if you want to create a full-blown web application, but sometimes you just need something a little lighter that just gets the job done. For instance, in this post I take a look [...]
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Google App Engine for Java Loading Requests
If you’ve been programming Java on Google App Engine, you’ll encounter them sooner rather than later: the loading request. A loading request to your application is a request that forces an initialization of the environment that runs your application. Depending on your application, the libraries you use, the size and the usage a loading request [...]
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Java Client for Google Data API, One More Step to World Domination
I’ve featured a number of Google projects before, most of them I liked. Some look strange and pointless. But I’ve always found the documentation to be outstanding. Maybe a little too technical for many, but for some reason, it’s always just right for me. The Google Data API’s are just one more example. Currently I’m [...]
Generating PDF files on Google App Engine