Thomas,
it is possible to pre-determine the solution list for given lower and upper
bounds x and y. But there can be enormous rows for a given (x,y) pair. And
there will be enormous rows containing (x,y) pairs. So I can not keep a
predetermined list.
Regards
Romesh
On Mon, May 3, 2010 at 5:52
I've created a Java GQL parser which allows you to quote kind and
property names, so your query would be written:
SELECT * FROM 'my.package.myEntity'
The description of the parser and link to download source or binary is
here:
http://audao.spoledge.com/doc-gae-features.html#gqlparser
An example
How to integrate paypal with app engine??
i have got many errors when integrating this. main exceptions are
org.xml.sax.SAXNotSupportedException:
http://xml.org/sax/features/external-general-entities
at
org.apache.xerces.framework.XMLParser.setExternalGeneralEntities(XMLParser.java:
Hi romesh:
Datastore allows multi-value property. So you can have each (x,y,
list of possible z) in only one row and the filter is as simple as
where z=some-value. The only limitation is that list-of-z can not
exceed 5000 elements.
Thomas
On 5月3日, 下午2時02分, romesh soni soni.rom...@gmail.com
I'm not sure how this mitigates use of the _ah_session records that are
created. Anytime you set an attribute, it will use this. If you're worried
about _ah_session getting out of control, a better way would be to use
Memcache for session data and associate it with a cookie. Stale, unused
session
HTTP and XMPP are two different ways of doing so. Just be sure you're in
compliance with the Terms of Service:
http://code.google.com/appengine/terms.html
http://code.google.com/appengine/terms.html4.4. You may not develop
multiple Applications to simulate or act as a single Application or
Hi Ikai,
the way you are managing session is not good. actually you are using cookies
for managing session, which is not a good thing.
instead session management is done at server side, not client side.
On Mon, May 3, 2010 at 1:18 PM, Ikai L (Google) ika...@google.com wrote:
I'm not sure how
You'll want to ask your question here in the Google Web Toolkit groups:
https://groups.google.com/group/Google-Web-Toolkit?pli=1
https://groups.google.com/group/Google-Web-Toolkit?pli=1This is the list
for questions and discussions about Google App Engine.
On Sun, May 2, 2010 at 5:58 PM,
Hi Thomas,
the possible value of x and y can be 2020 and 203204206207.
do you see that it is possible to make such thing in 5000 element
limitation. Are you talking of ArrayList?
Your solution is good for small list, but I am afraid that it will not suit
my requirement..
On Mon, May 3,
I'd advise against rolling your own User class on the grounds that it's more
work than you think compared to using OpenID. The most compelling reason not
to do this, however, is that many internet users are suffering from new
account fatigue and will simply not try to remember one more account if
Indexes don't work the same way they do in relational databases. If you can
fetch a value with a query, that likely means an index exists on that
property. In a relational database, when an index is not present, the
database will do a full table scan.
A fetch by Key is always fast. Have you
Hey Ikai, sorry I referred you by mistake.. My msg was for lembas
On Mon, May 3, 2010 at 1:23 PM, romesh soni soni.rom...@gmail.com wrote:
Hi Ikai,
the way you are managing session is not good. actually you are using
cookies for managing session, which is not a good thing.
instead session
Hi!
It looks like this mail didn't got through, please ignore this repost if the
original has already reached you.
Am 25. April 2010 15:08 schrieb Patrick Cornelißen corne...@pcornelissen.de
:
Hi!
I have just subscribed to this list, so please be gentle. ;-)
I am trying to build a portal
Hi everybody
Ehcach announced recently their AppEngine support. I'm using version
2.0.1 (latest stable release) with Ehcache Web Module. I'm using
SimpleCachingHeadersPageCachingFilter to cache page results.
When I run my application, I'm getting an AccessControlException
because Ehcache Web is
Hello,
I looked into google-checkout, but it is currently for US Europe only.
I am looking to be able to bill the customer in Rupees, and hence would like
to integrate with indian payment gateway systems into the appengine app.
Any experiences on this
Thanks
-Aswath
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Hi
I am trying to implement a many-to-many relationship as mentioned in
the example mentioned in the GAE/J
I am using the following object
public class Person implements IsSerializable
{
@Persistent
ArrayListString addresses = new ArrayListString();
@Persistent
private int age;
I just felt that I wanted to manage the references (keys) myself, so I
could have more control over when and how those references are
instantiated - Twig seems to do that for you (great in many ways), but
I have some situations with my application where I think that could
have a performance
We saved between 5-10 seg by switching from XML to Spring 3 java-based
configuration:
listener
listener-
classorg.springframework.web.context.ContextLoaderListener/listener-
class
/listener
context-param
param-namecontextClass/param-name
Yep, many to many relationships work well. They can also be
polymorhic and use inheritance with no problems.
On May 3, 12:09 am, Michael Shtelma mshte...@gmail.com wrote:
Hi all,
I have looked at twig, I liked it a lot, but there is one issue about many
to many relationships. Does Twig
On May 2, 2:40 pm, jtuchscherer jtuchsche...@gmail.com wrote:
John, are you saying that Twig, Objectify, SimpleDS, Slim3 and Siena
don't have this problem?
I can only definitivly speak for Twig but I am certain that the others
also would not suffer this problem or many many of the other
Hi,
do you have some sort of example or tutorial for the many to many relations
?
When I have tried using them, I got really strange exception.
Twig was not able to determine the key for some dependent entities...I think
I was doing smth wrong...
I will describe the problem in with more details
Hi all
i deployed my application on appengine, set my domain name to point to
it through google apps as described and now google apps also manage my
email addresses such as i...@my-domain.com
so, is it possible to use this address to send emails using the mail
api
currently i got
I know that utilities for backup and restore are in the GAE future
roadmap, but until then I need to do some backup/restore operations on
the data store of my GAE/J application.
I found some info on how to enable the remote API for GAE/J
applications by setting up the RemoteServlet in the
There is an AppEngine plug-in for Apache Commons VFS that lets you
store files in the Datastore.
http://code.google.com/p/gaevfs/
/dmc
http://turbomanage.wordpress.com
On May 1, 11:48 pm, m seleron seler...@gmail.com wrote:
Hi,
I think that it is possible
by using memcache or datastore.
Hey, so I've been thinking about the problem description... you mentioned
that there will ever only be one solution for the query, but that doesn't
seem like a valid constraint. For example, let x = 4 and y = 10, let x2 = 5
and y2 = 11. The value of z = 6 will result in two solutions.
The reason
Anyone interested in a more native backup/restore solution ? Please
vote for this issue :
http://code.google.com/p/googleappengine/issues/detail?id=776
On 3 mai, 15:52, Mihai Campean mihai...@gmail.com wrote:
I know that utilities for backup and restore are in the GAE future
roadmap, but
I suspect that this is due to the way we make
javax.servlet.jsp.JspApplicationContext available to application code but do
not currently make javax.el.* available. Thus, the javax.el.ELResolver
class that you are providing in your application is not the same class that
your JspApplicationContext
Thanks for response Don, very much appreciated.
I don't know how to give you the war. It's a basic demonstration of Spring +
freemarker.
The class in concern is from freemarker. The size of war is 47 MB.
I will try to reproduce the issue with a simple servlet+freemarker setup.
and attach the war
Thanks, Ikai.
On Apr 30, 5:19 pm, Ikai L (Google) ika...@google.com wrote:
Yes, Memcache uses LRU to expire elements:
http://en.wikipedia.org/wiki/Memcached
Romain, this stands for Least Recently Used and refers to Memcache
automatically throwing items out of the cache if they have not been
Hi
I'm really new to the whole GAE stuff. I've used Java, but always for
desktop stuff, so for the past couple years I was mostly doing PHP for
all my Web programming. Well, I decided to see how Java does and the
GAE seemed just a really nice playground, but here come the problems.
No clue of the
Hello,
I am new on Google App Engine;
I wrote some code which accesses a Google Spreadsheet through the
provided GData Java API;
everythings works well running in the Eclipse local Environment or
running the code on a local Apache Tomcat Server;
nevertheless, running the code on the Google App
Hello everyone,
I am trying to make an HTTP request (to a non-Wave server) containing
an Authorization header using a Wave Robot. The header is already
present and proved to be correct (by a separate PHP script). For the
request itself, I am using the low-level Fetch URL API. However, when
I set
Hi Don,
thanks for chiming in.
Yeah, a feature of FreeMarker is that we provide a mechanism for JSP
tag libraries to appear as native FreeMarker macros in the templates.
The way we do it is that we emulate a JSP container environment for
them so we do implement a lot of javax.servlet.jsp.*
Hi, I can't understand why my app which runs on 1.2.1 doesn't run on
1.3.3.1 .
I keep getting the following error message when I run my app:
com.google.appengine.tools.info.RemoteVersionFactory getVersion
INFO: Unable to access
hi can any one tell me how to develop online exam and online quiz in google
app engine using javabean, jsp, servlet.
thank you,
with,
k.swathi.
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To post to this group, send email to
Hi,
How do we make an entity group with a parent that has an encoded or
raw string for its primary key? The examples in the docs use Key (I
can get those to work). I need something like:
class User {
@PrimaryKey
private String username;
}
class FavAnimal {
@PrimaryKey
Hi!
2010/5/3 k.jansi rani k.jansirani@gmail.com
hi can any one tell me how to develop online exam and online quiz in google
app engine using javabean, jsp, servlet.
thank you,
There are a few example projects out there. One is a guestbook. You can use
this as a start. The most
Hi
Are there anyone using some kind of server-side page cache using
memcached?
I'm thinking in a Filter that put page results in memcache when first
accessed, and then getting that result in former accesses.
The idea is simple but the implementation is not. (how to get the
first request
I have a query that runs and works as expected and sometimes throws
JDODetachedFieldAccessException if I run it fast in succession. has
this been seen before?
public User readUser() {
User qUser = null;
PersistenceManager pm =
PMF.instance().getPersistenceManager();
I'm trying to use SWFUpload for uploading images in my application but
either this particular component or Flash does not like empty
responses.
Is it possible somehow to get any content in the response-body from
uploadUrl?
Regards
J. Záruba
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You received this message because you are
On May 4, 12:02 am, Michael Shtelma mshte...@gmail.com wrote:
When I have tried using them, I got really strange exception.
Twig was not able to determine the key for some dependent entities...I think
I was doing smth wrong...
Ah yes, when you have circular references and you use auto
Thank you, yes, now I have found out this too :))) I had just to do some
more experiments
Twig is working great with many to many relationships, I will defenitely use
it :)).
Sincerely,
Michael Shtelma
On Tue, May 4, 2010 at 12:05 AM, jd jdpatter...@gmail.com wrote:
On May 4, 12:02 am,
Hi Tristan,
You got a good catch. But the code which populates the data will never let
this happen. If there is a pair x = 4 and y = 10, then there will be no such
other pair which consist values between 4 and 10. there will be one and only
one set for values 4,5,6,7,8,9,10 and that will be
i use struts2 in google app engine
i meetsome problem
struts2 result 'null' not found
who can help me
^_^o(∩_∩)o...^_^ :-)
:-)音问久疏，唯愿一切康适。
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To
in that case the solution to your dilemma is as follows
query.addFilter(x, FilterOptions.LESS_THAN, z);
query.addSort(x, SortOrder.DESC);
then execute the query with a limit of 1
that is the answer you seek
in other words...
assume you have two intervalsx1 = 4 y1 = 70 and x2 = 71 y2
Hi!
2010/5/3 Joe Fawzy joewic...@gmail.com:
Hi all
i deployed my application on appengine, set my domain name to point to
it through google apps as described and now google apps also manage my
email addresses such as i...@my-domain.com
so, is it possible to use this address to send emails
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