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Defining models in GAE
I'm learning to work in GAE. I'm so used to SQL, but transform my way of think the last 20 years to NoSQL is a little hard for me.
I have the next simple structure:
BOOKS than can have CHAPTERS
...
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Caching and indexing before persisting to DB [closed]
I'm quite in need for ideas for implementing indexing and caching on this code:
http://bit.ly/13SiKpW
Basically what I did was a proof-of-concept java.util.Map interface to the datastore and that ...
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2answers
149 views
Getting Country Based on IP - Java
Im using Struts2, Google App Engine. Below is my program for getting the country based on IP of the visitor of the website.
In my Struts2 action:
HttpServletRequest request = ...
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2answers
63 views
Refactorize my python code for GET and POST
I'm newbe with Python and GAE, but years of procedural programming. I have this code, but I know that there must be some better solution to avoid retyping code.
The first and last section of code are ...
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2answers
134 views
Aggregation on List - Java
Im using the following technologies: Google App Engine, GAE Datastore, Struts2. Common lang java library were also used.
Because of the limitation on aggregation for datastore, im using jagg for ...
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0answers
167 views
App engine Java: Sum difference two arrays - How to improve performance?
I have a function in App Engine java where I compare two patterns stored in an int array.
Below is the code:
public static int patternMatch(int [] pattern1, int [] pattern2, int range) {
int ...
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2answers
112 views
Session in Struts2 and Google App Engine
Im using Struts2 running in google app engine.
User can use their google and facebook account to login to the site. When a user login, i have:
session.put("email", email);
When a user log-out, I ...
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2answers
204 views
Checking if entity exist in Google App Engine Datastore using JPA 1
Below is my method in checking if entity already exist.
public boolean isExist(String genreName) throws PersistenceException{
EntityManager em = EMF.get().createEntityManager();
boolean flag ...
1
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1answer
69 views
How to verify if value already added to the list and if so, then update the value?
I use 3 lists to store field name, its value and score. If field name is already added to according list, then I just need to update other 2 lists. If it is not there, then I need to add it. I do the ...
