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• Upload and parse csv file with "universal newline" in python on Google App Engine

  - by greg

  Hi, I'm uploading a csv/tsv file from a form in GAE, and I try to parse the file with python csv module. Like describe here, uploaded files in GAE are strings. So I treat my uploaded string a file-like object : file = self.request.get('catalog') catalog = csv.reader(StringIO.StringIO(file),dialect=csv.excel_tab) But new lines in my files are…

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• Google App-Engine Java Group By and Count(*) queries

  - by Manjoor

  I am able to insert, filter and order records but can't use a simple count!! I am wondering if there a way to get no of total rows in a table?? Is there a way to use GROUP BY in query?

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• How to get app install time from android

  - by jezz

  i try some method,but not success,help me.

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• Illegal Argument Exception in Google Wave App

  - by Yoenhofen

  I'm writing a Google Wave robot and I just messed something up. It was working just fine but now I'm getting an IllegalArgument exception on the line that includes query.execute. Am I doing something stupid? I've seen several code samples very similar to what I'm doing. I can include the code of the WaveUpdate class if necessary. The intent…

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• Test iPhone in-app purchases on a different bundle?

  - by Andrew Johnson

  We have a group of beta testers for iPhone app. Recently, we added in-app purchases to the app. Before this, we would send out ad hoc builds to beta testers using a separate bundle ID and name so that they could have the store build and the ad hoc build on their phones. However, it seems like we have to build the ad hoc copy with the same…

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• Running Multiple Google App Engine Apps from one Domain

  - by awegawef

  I would like to have the following: myrootsite.appspot.com myrootsite.appspot.com/app1 myrootsite.appspot.com/app2 etc. Is this possible? I know I could just make /app1 be handled by app1, but then the redirects and everything wouldn't work unless I explicitly used redirect('/app1') instead of the current redirect('/'). Is there a way I…

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• Google App Engine and SQL LIKE

  - by jb

  Is there any way to query GAE datastore with filter similar to SQL LIKE statement? For example, if a class has a string field, and I want to find all classes that have some specific keyword in that string, how can I do that? It looks like JDOQL's matches() don't work... Am I missing something? Any comments, links or code fragments are…

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• Extract text from PDF (google app engine)

  - by Miroslav Bajtoš

  Is there any free Java library for extracting text from PDF, that is compatible with Google Application Engine? I've read about PDFJet, but it can't read PDF, can it? Is there perhaps other way how to extract text from PDF? I tried http://www.pdfdownload.org/, unfortunately they don't handle non-English characters correctly.

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• Google app engin, python: Google, Facebook, Twitter, OpenID account

  - by user342284

  Dear all, Do anyone know if there are alternatives of Django-SocialAuth which support Google, Facebook, Twitter and OpenID account. I prefer webapp version instead of Django. Or if you have done once would you mind sharing it? Thanks in million.

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• Google App Engine - What exception does Transaction.commit() throw when there is a concurrency probl

  - by Spines

  What exception does com.google.appengine.api.datastore.Transaction.commit() throw when there is a concurrency problem? I want to retry if there is a concurrency issue, but I don't know what exception to catch.

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• Google app engine error when I login.

  - by zjm1126

  i am using http://code.google.com/p/gaema/source/browse/#hg/demos/webapp, and this is my traceback: Traceback (most recent call last): File "D:\Program Files\Google\google_appengine\google\appengine\ext\webapp\__init__.py", line 510, in __call__ handler.get(*groups) File "D:\gaema\demos\webapp\main.py", line 31, in get …

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• Showing value of UISlider inside App Prefs?

  - by Garrett H

  I have a settings bundle, working perfectly, that I would like to customize a bit. I have, among other things, a PSSliderSpecifier and a PSTitleValueSpecifier. What I would like to do is change the value of the PSTitleValueSpecifier to show the current value of the slider, preferably updating every time the slider's value changes…

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• Google App Engine python - Self is not defined

  - by sdasdas

  I have a request that maps to this class ChatMsg It takes in 3 get variables, username, roomname, and msg. But it fails on this last line here. class ChatMsg(webapp.RequestHandler): # this is line 239 def get(self): username = urllib.unquote(self.request.get('username')) roomname =…

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• Custom User Management for Google App Engine Java

  - by Gopi

  I am using GAE Java for a multi-user application. There are multiple users with different roles. Each user can login, do some operations and logout. The business restricts me from using Google User Service and I need to implement my own for authentication and session management. Can anyone please…

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• Static files in (Java) App Engine not accessible.

  - by fiXedd

  The example documentation says that you simply need to place your files in war/ (or a subdirectory) and they should be accessible from the host (as long as they aren't JSPs or in WEB-INF). For example, if you place foo.css in war/ then you should be able to access it at…

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• app engine - How fast is the blobstore?

  - by Sam

  How fast is the blobstore? If I wanted to create an image hosting solution, would the blobstore work for that? Would it be able to respond with a requested image really fast, like as if it was just a static file?

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• Exception Handling in google app engine

  - by Rahul99

  i am raising exception using if UserId == '' and Password == '': raise Exception.MyException , "wrong userId or password" but i want print the error message on same page class MyException(Exception): def __init__(self,msg): …

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• Google app engine: query that return entity ID using python

  - by Peter

  hi how do I return the entity ID using python in GAE? Assuming I have following class Names(db.Model): name = db.StringProperty()

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• Google App Engine - DELETE JPQL Query and Cascading

  - by Taylor Leese

  I noticed that the children of PersistentUser are not deleted when using the JPQL query below. However, the children are deleted if I perform an entityManager.remove(object). Is this expected? Why doesn't the JPQL query below also perform a…

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• Google App Engine - Cannot See Children in Datastore Viewer

  - by Taylor L

  I have the following kinds/relationships in my datastore: UserAccount 1-to-1 PersistentLogin 1-to-many PersistentLogins They are all in the same entity group and UserAccount is the parent. Should I expect to see the other kinds in the…

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• Parent Included in Google App Engine Entity Groups

  - by Cameron

  Short question: Is the parent of an entity group included in that entity group (i.e. can a transaction affect the parent of an entity as well as the entity itself)? Thanks.

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• Best full-text search for google-app-engine..

  - by zjm1126

  did you know the best full-text search on gae ? thanks

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• Google App Engine PersistenceManager can process multiple objects ?

  - by Frank

  I have some code like this : PersistenceManager pm=PMF.get().getPersistenceManager(); String query="select from "+PayPal_Message.class.getName()+" where processed == false order by time desc"; …

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• Google App Engine django model form does not pick up BlobProperty

  - by Wes

  I have the following model: class Image(db.Model): auction = db.ReferenceProperty(Auction) image = db.BlobProperty() thumb = db.BlobProperty() caption = db.StringProperty() item_to_tag =…

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• Google App Engine Application Error 5

  - by Sam

  I frequently get this Application error. What does this mean ? File "/base/data/home/apps/0xxopdp/10.347467753731922836/matrices.py", line 215, in insert_into_db obj.put() File…

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