Daniel EichhornMotivation Continuous Deployment is nice: you roll out new versions of your software all the time and not only three, four times a year with your mayor release. And everything automatically. Of course this requires a good coverage of automated unit, integration and UI tests …
Tag: Google App Engine
Live reload with appengine-maven-plugin
Google’s appengine-maven-plugin is cool. Especially for deploying your app to the cloud. But for developing it can be cumbersome, since the hot deploy mechanism is not very stable and you often have to restart the devserver. Since I wanted to get more into the whole …
Exporting your App Engine Data with a Sitemap of Sitemaps
Daniel EichhornCurrently there are about 200’000 archived items available in the Feederator database. In the hope to attract more traffic I wanted to make this data available to search engines. But how to make this data available to search engines without putting too much burden on …
Speeding up data store queries with self-merge joins
For a while now Feederator allows some kind of full text queries. When items are read for the first time into the datastore an index will be created. This index is currently a break down of the single words in the title, but can be …
Sending XMPP messages from Google App Engine with html
Since this took me a while to figure out I’d like to share with you. I wanted to extend Feederator to send incoming news items to the users XMPP client. What worked pretty fast was sending plain text messages: XMPPService xmpp = XMPPServiceFactory.getXMPPService(); JID jid …
How to delete index on App Engine for Java
At the time of this writing there is no function to delete (unused) your datastore indexes directly with the Java tool set. But there is a way around: the python SDK has a function called vacuum_indexes. This is how your can do it, step by …