BlazeDS messaging does not work on GAE.
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I remember there was a bug denoted somewhere in the documentation
(http://code.google.com/appengine/docs/java/datastore ) that JDO won't
persist properties/attributes of the parent classes. Has this been
fixed in the latest release?
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Corneliu
Hello!
I recently discovered the power of merge joins on app-engine (no more
composite indexes required! hurray!).
I am also aware that i cannot inequality filters, neither order
clauses.
But what if i generate the primary key of the entities using the
values of the field i wish to order by.
Hello!
I would like to bring in discussion a comparison between JDO and the
low level API. Google recommends using the low-level API only to
framework developers, but JDO seems to inflexible to me.
I've been using JDO for a month now and i've come across some nasty
limitations. I will mention a
Hello!
I would like to bring in discussion a comparison between JDO and the
low level API. Google recommends using the low-level API only to
framework developers, but JDO seems to inflexible to me.
I've been using JDO for a month now and i've come across some nasty
limitations. I will mention a
Hello!
I am trying to build an application in which a customer should be able
to put a reminder on a note, that he added to an entity within the
application (e.g. remind me to call this guy/company on Monday at
9:15 or note to myself: log in again at 16:00 to see it there have
been any changes
Hello again!
I was thinking of implementing a feature in my application to export
portions of my application's database into a customer's google-docs
spreadsheet, so that he can make modifications on it, download it,
print it, etc.
Also i am interested in the reverse operation: the possibility
Hello!
I have some objects in the database that have a String property called
version.
Some of them have version = '0.2', the others have '0.0'
I have an application written in java.
When i query for an object with version 0.2 with the low level api it
works (it finds 62 obejcts)
Hello,
How can i make a Query using the lowlevel API, similar to this:
select * from Entity where key certain_key ?
In JDO i would do something like this:
select * from Entity where encodedKey a_key_string
where encodedKey is my objects' primary key:
@PrimaryKey
Hello!
I've read that a keys only query is much faster than a normal query,
so I want to use this for pagination. But the setKeysOnly() is only
applicable to com.google.appengine.api.datastore.Query, not also
javax.jdo.Query.
I've been using JDO so far, so is there a way to tell JDO you're
Hello!
I ran over this problem. I was retrieving a DbContact data set
simply ordered by
encodedKey ascending, and i got this list:
[(key agljb3NpbnV4NjhyIQsSCkRiQ3VzdG9tZXIYm0gMCxIJRGJDb250YWN0GJxIDA
name EUROTRIM)
, (key agljb3NpbnV4NjhyIQsSCkRiQ3VzdG9tZXIYnUgMCxIJRGJDb250YWN0GJ5IDA
name ANCA
well in java generally, but when i tried it in an app-
engine project i got a compiler error:
java.text.Normalizer.Form is not supported by Google App Engine's
Java runtime environment
What workaround do you suggest?
Thank you,
Cornel
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