datastore
file I/O with google app engine
I want to provide a field in my html file so that people can upload their XML files to be imported to the datastore. How can I read and process this file inside the app e开发者_StackOverflow中文版ngin[详细]
2023-02-21 20:43 分类：问答Holding different instances of the same class in GAE Datastore
Extremly confusing title, i know. Hello, i am facing some funky issues here. I have a property-class, like this[详细]
2023-02-21 20:32 分类：问答how to get the data in the datastore of App Engine by url
in Google Ap开发者_如何学Cp Engine,after using the makePersistent() to store the data in the datastore,i know how to get the data content by the key using getObjectById().[详细]
2023-02-21 06:14 分类：问答ExtJS Search Datastore for value
How do I search a datastore for a specific record?I\'ve tried find() and findBy(), but both return -1.[详细]
2023-02-21 02:08 分类：问答Generating id in the low level API
I have to use the low level API to persist an entity of type Value in Google App Engine. I\'ve been searching and I have only found a examples in this way:[详细]
2023-02-18 18:06 分类：问答Store array of numbers in database field
Context: SQL Server 2008, C# I have an array of integers (0-10 elements). Data doesn\'t change often, but is retrieved often.[详细]
2023-02-17 23:30 分类：问答ipad: Running a local website and storing data
I\'m trying to run a web form on an ipad that has no web connection. So far i\'ve successfully been able to load the form into safari through the use of an app that takes a html file and displays it i[详细]
2023-02-17 05:36 分类：问答Can I specify an Entity as a Datastore property to achieve join-like functionality?
For example, I have the entity Parent and the entity Child. Since the Datastore does not allow joins, I cannot specify parentKey as a property in Child. I mean, I can but that won\'t do me any good.[详细]
2023-02-16 13:57 分类：问答Is there a significant difference in performance between low-level datastore API and JDO/JPA?
Should I expect a noticeable performance boost after switching from JDO/JPA to low开发者_C百科-level datastore API? Also, are there any things I should be aware of before switching?The difference is s[详细]
2023-02-15 09:49 分类：问答Sproutcore Datastore Local Storage sync
I was wondering if it is possible to sync the Sproutcore Da开发者_运维问答tastore (in-memory) with a choice of browser storage mechanisms such as WebSQL, localStorage etc.[详细]
2023-02-14 06:59 分类：问答
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