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Google App Engine Articles

Mark Ivey - July 16th, 2008
If you are maintaining a successful app, you will eventually find a reason to change your schema. This article walks through an example showing the two basic steps needed to update an existing schema.

About App Engine

Google App Engine Campfire One
Text and video of the Campfire One summit on Google App Engine
Transaction Isolation in App Engine
Explanation of transaction isolation in the Google App Engine Datastore

Application Administration

Understand Application Quotas with Google App Engine
Overview on the types of quotas for your application, and how events are counted with respect to those quotas
Deploying Your Application on a Google Apps Domain
Gives instructions on how to set up your application to be deployed on a Google Apps domain

Frameworks

The Django Form Validation Framework on Google App Engine
Constructs a Shopping List application using the Django Form Validation Framework
Running Django on Google App Engine
Details how to get a simple Django project started with Google App Engine
Using the Google App Engine Helper for Django
Details how to start a larger Django project using the Google App Engine Helper for Django

How-To

Retrieving Authenticated Google Data Feeds with Google App Engine
Use the Google Data Python client library to read in your application
Uploading Data with Bulk Data Uploader
Details how to bulk upload data and make it searchable with Google App Engine
Serving Dynamic Images with Google App Engine
Details how to dynamically store and serve images with Google App Engine
Logging Events in Your Application
Details how to use the Python logging module to record application events and later review those logs in the admin console
Using AJAX to Enable Client RPC Requests
Outlines steps needed to implement RPC requests with App Engine
Modeling Entity Relationships
Explains the basics of modeling entity relationships
Configuring Eclipse on Windows to Use With Google App Engine
Takes you through the steps to configure Eclipse on Windows using PyDev
Updating Your Model's Schema
Strategies for updating your model's schema with Google App Engine

Examples

An Open Source App: Rietveld Code Review Tool
An open source app for managing Subversion code reviews