According to the Wikipedia article on Google App Engine: The where clause of select statements can perform >, >=, <, <= operations on one column only. Therefore, only simple where clauses can be constructed. What does this mean? ...
According to this Wikipedia article on Google App Engine: Developers have read-only access to the filesystem on App Engine. I have heard of App Engine apps that allow uploads and Google also sells additional storage - if so, wouldn't this statement appear to be incorrect? ...
Answering this question and searching for references I have this doubt my self: *How much data could be stored into a Google App Engine, application? If I'm reading well this table: Resources | Free daily | Free Max Rate | Daily Billing enable | Max Rate Billing --------------------------------------------------------...
According to this Wikipedia article, you are allowed 3,000 files per app but I was reading a thread on Google Groups that someone's Java app received a warning when it tried to upload more than 1,000 files - he got around it by bundling some files inside jars. Which is correct? ...
I am writting a Twitter web app by using Twitter4J on GAE/J. I am saving Twitter and Request Token objects in session so that to be used after call back. I have two servlets. IndexServlet sets session and HomeServlet get from session (hits on call back by twitter oAuth). If I comment out session handling lines in both servlets then c...
Below is a class I have written in a web application I am building using Java Google App Engine. I have written Unit Tests using TestNG and all the tests pass. I then run EclEmma in Eclipse to see the test coverage on my code. All the functions show 100% coverage but the file as a whole is showing about 27% coverage. Where is the 73% unc...
I'm working on a (Python) App Engine project for Blogger, and I want to be able to specify what I believe is called bloggerLink, the field that Blogger provides to specify where the subject of your post links to. Has anyone found a way to use the API to fill out the bloggerLink field? You can see what I'm talking about here: post ...
Hi folks! :) I'd like to run an appengine app on a subdomain like something.no-ip.org instead of something.appspot.com is this doable? If so, can you please help me understand? :) Thank you so much for your help! ...
I've been searching and can't find an answer anywhere. I also haven't had time to try it out either. Is it possible, using java in the Google App Engine (GAE), to connect to a remote database. Whether it MySql, SQLServer, etc. Will it be allowed to make calls outside of it's domain? Is it possible to even use the required libraries ...
When I update an entity, the entity needs to change parent, is there any way to do that? ...
I like Spring MVC because you can unit test your controllers. But testing controllers that oauth is another thing. For instance if I want to get the authorization url because I want to Oauth to GData, I would have to deploy the web-app because Google will only accept authorization requests from my domain (the url of my web app), not my...
I've started using Eclipe+PyDev as an environment for developing my first app for Google App Engine. Eclipse is configured according to this tutorial. Everything was working until I start to use memcache. PyDev reports the errors and I don't know how to fix it: Error: Undefined variable from import: get How to fix this? Sure, it is ...
import cgi from google.appengine.api import users from google.appengine.ext import webapp from google.appengine.ext.webapp.util import run_wsgi_app from google.appengine.ext import db class Greeting(db.Model): author = db.UserProperty() content = db.StringProperty(multiline=True) date = db.DateTimeProperty(auto_now_add=True) cla...
Hi all, I would like to ask how to use the Google Apps Account instead of a Google Account if I use the users.create_login_url() function to generate the login page. Google automatically ask me to login with a Google Account. If I am running my application with a Google Apps for a specific domain, I have created users within that d...
Hello, Is it possible to call ghostscript on an App Engine project? I'd like to be able to perform some document conversion using gs (pdf to tiff in particular), and I am not seeing any specific documentation that either rules out this possibility or states how to pull it off. Thanks! Shaheeb R. ...
When I run Google App Engine likeso: from google.appengine.ext import db from google.appengine.ext.db import polymodel class Father(polymodel.PolyModel): def hello(self): print "Father says hi" class Son(Father): def hello(self): print "Spawn says hi" When I run, e.g. s = Son() s.put() son_fr...
I have a table called Mytable in home/models.py and using django aep I reference is as Mytable.all(). It shows up in the Data Viewer as home_mytable Now, for some urls within app.yaml I have a separate handler that processes these requests. (This is in fact a google wave robot handler). Within this handler I want to reference the tabl...
I'm on the google appengine, and trying to resize images. I do : from google.appengine.api import images image = images.resize(contents, w, h) And for some images I get a nice transparent resize, and others I get a black background. How can I keep the transparency for all images? Original : http://www.stdicon.com/g-flat/application...
After thinking quite a while about how to make a fast and scalable web application, I am almost decided to go for a combination of Google App Engine, Python+Django, and app-engine-patch. But I came across a comment in the app-engine-patch FAQ that made me think that perhaps the combination is not quite as mature as I thought: it may take...
Given a Polymodel in Google App Engine, likeso: from google.appengine.ext import db from google.appengine.ext.db import polymodel class Base(polymodel.PolyModel): def add_to_referer(self): Referer(target=self).put() class Referer(db.Model): target = db.ReferenceProperty() @classmethod def who_referred(cls): for ...