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Can you find a good tutorial or documentation about achieving a good pagination in a Google App Engine Objectify world?
I found some posts:
http://groups.google.com/group/objectify-appengine/browse_thread/thread/b640b5d377b620b4
But nothing seems to help me. Is there some sort of LIMIT query?
The post you linked to describes the correct way to do pagination: Using cursors. You can fetch using offsets and limits, but it's inefficient and should be avoided.
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I'm storing some data and I want to use it to plot a round-robin chart on a web page and I thought that RRDB4J could be a good fit. Unfortunately it’s not much documented, so I’m asking for advice.
I was thinking to use RRD4J+mongoDB for storing the data in round robin fashion, then query and show the data with Chart.js and https://github.com/adessoAG/wicked-charts and apache wicket.
Suggestions? Tutorials?
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I made a long search but failed to find good example of using libraries like: mvp4g + gin on gwt.
Can anyone share some links with an example ?
Or post your little project where you training with these libraries ?
Have you already seen this tutorial?
https://github.com/mvp4g/mvp4g/wiki/08.-GIN-Integration
Following are few reference sites.
http://mvp4g.blogspot.nl/2011/04/mvp-pattern-associated-with-event-bus.html
https://cambiatablog.wordpress.com/2010/12/04/gwt-and-mvp4g-tutorial-1/
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I would like to create CMS in JavaEE. I want use graph database. Which graph database is good for this purpose? What do you recommend? I seek free/open source graph database.
I can personally encourage you to use neo4j - http://neo4j.com/. It's new, quite simple, easy to use on Java and has quite good documentation. Although be aware of some minor issues (like an application crashing occasionaly when used heavily).
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what is the best Java library for manipulating graphs (specifically, for social network analysis)? I've seen Jung, but I was wondering if you knew anything better (I don't need to visualize networks, only computation).
Thank you
I've found jgrapht pretty useful - it has all the major algorithms (e.g. Bellman-Ford, ...)
neo4j is the choice
And here is a video
If you are aiming for high efficiency
http://grph.inria.fr/
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I'm looking for a blog engine or a framework for implementing a simple blog in Java. The application should be deployable on the Google App Engine platform.
Are there any suggestions?
You should definitely check out vosao. I'm using it some time and it's really great.
Check out bloggart
https://github.com/Arachnid/bloggart
And use it together with https://github.com/garethr/appengine-image-host
To upload photos for your blog post.
It gets very frequent updates contributors. I'm using it for my own website.
http://honcheng.com