datastore

HELP Retrieving the url parameter from a JSON store from a EXTJS ComboBox

Hi everyone... I am having a problem retrieving the parameters from the url section of a json store for a combobox in EXTJS from my code behind page in c#. The following is the code in the store: var ColorStore = new Ext.data.JsonStore( { autoLoad: true, url: '/proxies...

Advanced JavaScript data store & grid widget

We have written a data store / grid widget system in JavaScript that automatically updates all widgets associated with a data store whenever some of the data changes. Its nice features are: it supports sorting by multiple attributes (for example, by status, then priority descending, then date ascending, or whatever) the sort order is...

Visual Basic - How do I store strings permanently? After the app is closed?

Hi, I'm trying to figure out how to do this as I'm not sure what's the proper way of doing this. I've got several strings that I want to store/save permanently, even after the application is closed. How should I proceed? Do I read or write from a textfile? ...

Store values in client computer permanently?

Is there a way to store values on client side permanently? I have a site, flash game (the game is not developed by me, of course), after you registered, it will recognize you even after u close browser, clear cache and cookies, and even restart computer and modem. Where do they store the values? Why the flash game can recognize me after...

Blackberry - application settings save/load

Hi! I know two ways to save/load application settings: use PersistentStore use filesystem (store, since SDCard is optional) I'd like to know what are you're practicies of working with application settings? Using PersistentStore to save/load application settings The persistent store provides a means for objects to persist acros...

Are Operational Data Store Still Leveraged

Our company has always struggled in terms of accurate and timely reporting. The primary reason is that our principal operational system has evolved over the past 20 years and is in an archaic flat file structure. We have had a few attempts at developing a Data Warehouse, but they have only been mildly successful, due mainly to the busi...

key - > value store with binary attachments

An extra requirement is that the attachments can be stored as a stream, as there might be potentially very large binaries that has to be saved. Videos etc. I have looked at Voldemort and other key value stores, but they all seem to expect byte arrays, which is completely out of the question. This should, preferrably, be written in Java...

Are there any stable and production quality nosql datastores ?

Are there are production quality nosql stores that I can use on a production system. I have looked at cassandra, tokyodb, couchdb etc but none of them seem to be ready for deployments on production like environments. I am talking thousands of requests per minute and lots of reads/writes/updates. My only concern is speed and service times...

Basic examples of InfoGrid applications

I am trying to use this software called InfoGrid for a project that I am building. Can someone please point me to some basic getting started articles. I don't see any documentation on the site. Peopl with enough reputations, please edit the question and add the tag InfoGrid to this question. ...

strategy for persisting data in blackberry app

I've been looking through the Blackberry documentation and they outline 3 different mechanisms for persisting application data: Persistent Store API MIDP RMS API File System API I'm wondering about the following things... What are the pros/cons of each approach Is there a maximum size of data that can be stored? I'm not so concern...

Blackberry - data persistence O.S 4.5

I am new to blackberry development. I want to do data manipulation (CRUD) for a small project. Can you help me understand different options that can be used for blackberry data persistence for O.S 4.5? I want to know and explore all possible data persistence models for blackberry O.S 4.5. I did some searching and found blackberry dat...

Column names in dynamically generated datawindows

When I dynamically create a datastore using SyntaxFromSQL (in order to generate datastore source code, based on a SQL SELECT statement), with syntax like this string ERRORS, sql_syntax, dwsyntax_str, presentation_str dwsyntax_str = trans_object.SyntaxFromSQL ( sql_syntax, presentation_str, ERRORS) ds_1.Create( dwsyntax_str, ERRORS) ho...

Ext JS ComboBox Dynamic Behaviour

Hi All, I am trying to load/show completely different set of values in a combobox(this one resides as a editor within an EditorGridPanel) based on the valueField of another combobox(this one resides outside the grid in top bar). I have already seen a tutorial(http://www.extjs.com/learn/Tutorial%3ALinked%5FCombos%5FTutorial%5Ffor%5FExt%5...

QueryReadStore loads JSON into DataGrid, but JsonRestStore does not (from the same source)

I'm building a Dojo DataGrid from JSON data provided by my REST interface. The DataGrid loads the data fine using a QueryReadStore, but doesn't seem to work with the same same data piped into a JsonRestStore. I'm using the following Dojo libs with Dojo 1.4.1: dojo.require("dojox.data.JsonRestStore"); dojo.require("dojox.grid.DataGrid")...

Design Solution For Storing-Fetching Images

This is a design doubt am facing, I have a collection of 1500 images which are to be displayed on an asp.net page, the images to be displayed differ from one page to another, the count of these images will increase in the time to come, a.) is it a good idea to have the images on the database, but the round trip time to fetch the images...

Another option instead for MS Access Table

I have a desktop form application that currently uses and Microsoft Access MDB file to store the data. If the users computer does not have access installed on their computer they have to download the MS Access Runtime to run the application or they get errors. Is their a better option than using MDB files to store the data? Should I u...

.Net friendly, local, key-value pair, replicatable datastore

I am looking for a key/value type datastore with very specific requirements. Anyone know anything that will work? Needs to be a component of some sort. No additional installation needed. The datastore needs to be on the local hard drive. I am using VB.Net for a desktop app running Windows XP through 7 so it needs to callable by that en...

Multiple inequality conditions (range queries) in NoSQL

Hi, I have an application where I'd like to use a NoSQL database, but I still want to do range queries over two different properties, for example select all entries between times T1 and T2 where the noiselevel is smaller than X. On the other hand, I would like to use a NoSQL/Key-Value store because my data is very sparse and diverse, a...

Last inserted row with sqlite3 and C

Hi folks, I wrote a kind of key/value store using sqlite3 and C. my put_pair(key, value) function accepts an empty key as a correct key, and in my INSERT query I use lower(hex(randomblob(16))) to generate a good key for this inserted row. The problem now is how to retrieve this key and return it by my function? ...

How should I share and store data in a small multithreaded python application?

Hi all, I'm writing a small multithreaded client-side python application that contains a small webserver (only serves page to the localhost) and a daemon. The webserver loads and puts data into a persistent "datastore", and the daemon processes this data, modifies it and adds some more. It should also takes care of the synchronization w...