storage

Can a CDN be beneficial over a DEDICATED SERVER when there seems to be no CDN in our region?

I am considering trying out Amazons CloudFront CDN, which utilizes their S3 service for file storage and springs data to servers closest to the browser, however, we have a dedicated server in South Africa, Johannesburg to be exact, so my question is this: Amazons CloudFront seems to give you the option to have your base server in EU, Am...

Class or Container to store heterogenous items in C++

Is there any structure or class or container which i can use to store heterogenous items which is serializable. For example say i have a int,float and another class object. I want to store all of them in a particular container at runtime and pass it across classes. Does C++ give any such options. ...

What is the maximum physical table size in Oracle?

Is there some limit on the maximum total amount of data that can be stored in a single table in Oracle? I think there shouldn't be because tables are anyways stored as a set of rows and rows can be chained as well. Does such a limit exist? ...

How can one download the contents of an HTML5 web database to the client?

I am looking for a way to save the contents of an HTML5 web database to a local file for persistence and for loading back into the web application. I'm using Firefox 3.6.8 with the HTML5 features to use a local web database. I can upload a file and read it's contents but am unable to find an elegant way to save the contents of the databa...

Postgresql vs. MySQL: how do their data sizes compare to each other?

For the same data set, with mostly text data, how do the data (table + index) size of Postgresql compared to that of MySQL? Postgresql uses MVCC, that would suggest its data size would be bigger In this presentation, the largest blog site in Japan talked about their migration from Postgresql to MySQL. One of their reasons for moving aw...

BlackBerry persistent storage problem,

Hi, I need to store several promos in the persistant storage. Here's the class: import net.rim.device.api.util.Persistable; public class FavoritePromo implements Persistable{ public static String id; public static String merchantName; public static String title; public static String expireDate; public static String...

Memory, File or Session for ASP.NET Charting Tools

Which storage method should I use when using ASP.NET Charting Tools? I'm currently using memory, because it seems like the most straight-forward and easy to implement option. Is there any reasons I should be aware of why I should choose one of the other options? The charts generated will be useful only for an overview kind of purpose ...

Preventing Amazon S3 Bandwidth Stealing?

I have a Image Hosting Site that is using Amazon S3 as a main source for bandwith and storage. I have a few option here to prevent other sources from stealing my bandwith, but I am hoping there are more or other alternatives. Query String Authentication Url Rewrite Are there better ways to prevent thieves from hot-linking to my Amaz...

HTML5 Sequential execution

Hi, I have created a web storage for product details (productId, name, quantityonhand) and have populate records into it from the server. I have to validate whether the required quantity is available to accept the order. The Product form has checkboxes (with name="product") for every product available in the web storage and a corresp...

Internal memory vs. external storage in Android

I've started seeing some apps that offer to read/write data to the internal phone memory (like Super KO Boxing 2, which offers to save a whopping 52MB to the phone memory). I suppose this is because newer Android devices have a lot of internal storage, as opposed to my devices, which have very little. I would like to support internal s...

What is the best database/storage to store statistic data ?

I'm having a system that collects real-time Apache log data from about 90-100 Web Servers. I had also defined some url patterns. Now I want to build another system that updates the time of occurrence of each pattern based on those logs. I had thought about using MySQL to store statistic data, update them by statement: "Update table s...

what is the most challenge for mail storage system serving 100million user?

now our mail system can server 500 user, but we plan to make it avaiable to more users. if you have build a mail storage system which can server millions users, can you tell me what is the most challenge? ...

Unused Database Table Effects

In our SQL Server Database we have at least 25-35 lookup / empty tables that are never used. Is there any negative effect for keeping them in our database (performance, storage etc) Basically, would deleteing them have any positive impact on queries etc. ...

What are my options for photo/video/audio encoding and storage APIs?

Hi chaps Users of my web application will upload video and audio clips and photographs. The media needs to be private within the web application, which I imagine rules out using YouTube for encoding and storage. I don't want to be responsible for storing the data on my servers, so some kind of pay-by-the-gb API seems appropriate. Amazon...

Caching a large number of images in a jQuery/HTML5 application

I am building a web application in jQuery/HTML5 which will run in Webkit-based browsers on touchscreen kiosks. There are a large (thousands) number of images which the application uses, which I need cached to each browser. At first I thought a HTML5 cache manifest would be the best option (with the thousands of image URLs listed), but ...

Best way to manage an S3 Bucket?

I have been trying for a month and a half now to transfer files and update ACL permissions. My bucket in question is 28gigs, and has over 45,000 objects in it. It generally takes three days to do it. I've tried the following : Bucket Explorer CloudBerry s3sync s3cmd s3 organizer s3fox And quite frankly, none of them can handle it. ...

How can I get HBA information using C#? HBAAPI?

I see something interesting when I install the Exchange 2003 Best Practice Analyzer. It installs something called HBA API. Does anyone know what this is, or how I can use something similar to access HBA information of local and remote servers? ...

Single-file storage for a Python application

I'm starting the development of a Python application that provides a GUI for editing various graphical and numerical entities (it's a configuration and management tool for mobile robots, if you must know). One of the questions is how to store the data for a project (meaning, for a robot). The data quantity will be low (about 10MB max) an...

SQL Server nullable values storage impact

In SQL server, do null values occupy less space than non-null values, or is null represented as a flag indicating that no value is stored (and thus actually requiring MORE space to store null values). The comparisons would not be null values vs. not null values stored in the same column, but null values stored in a nullable column and a...

Can you rely on the browser for flv/swf datastore?

Is there any way to download/preload 500mb-1gb of flvs/swfs for a flash application running on a website? I have 15 flvs and 15 swfs and I want to preload all of them together(before my app begins) so that they load instantly(as if it were local) when I call each, after I have preloaded. Since we're in the browser, isn't the only thing...