architecture

Application that depends heavily on stored procedures

We currently have an application that depends largely on stored procedures. There is a heavy use of temp tables. It's an extremely large application. Facing this situation, I would like to use Entity Framework or Linq2Sql for a rewrite. I might consider using Fluent Hibernate or Subsonic, as i've used them quite extensively in the past....

How to overcome shortcomings in reporting from EAV database?

The major shortcomings with Entity-Attribute-Value database designs in SQL all seem to be related to being able to query and report on the data efficiently and quickly. Most of the information I read on the subject warn against implementing EAV due to these problems and the commonality of querying/reporting for almost all applications. ...

WCF and N-tier architecture

Hi,,, I’m working on an application which has been designed using n-tire application architecture .The application was developed in the .NET platform utilizing C#,VB.NEt, Framework 3.5, Dataset, WCF, asp.net update panel, JavaScript ,Josn, 3rd Party tools. my current proposed layout is such presentation layer -> Business Logic -> WCF ...

Using a DataSet instead of custom business entities in soa and n-tier architecture

I’m working on a large and a high volume transactional enterprise application which has been designed using n-tire application architecture .And it was developed in the .NET platform utilizing C#,VB.NEt, Framework 3.5, ObjectDataSources, DataSet, WCF, asp.net update panel, JavaScript ,JSON, 3rd Party tools. The application is supposed ...

CMS common Architecture

Hi there, I know this is a weird question to ask, but I would like to know if there is any documentation/blog-article out there that explains the architecture of a Website content management system? More particularly, I am interested to learn more about how "widgets" are implemented. I can't remember which system it was that I've seen ...

Does my API design violate RESTful principles?

Hello everybody, I'm currently (I try to) designing a RESTful API for a social network. But I'm not sure if my current approach does still accord to the RESTful principles. I'd be glad if some brighter heads could give me some tips. Suppose the following URI represents the name field of a user account: people/{UserID}/profile/fields/n...

How do I send an XML document to an ASP.NET MVC page for manipuation

I have some hierarchical data stored as an multiple XML files on the server according to a vendor's schema. In my ASP.NET MVC (2!) application, I'd like the user to choose one of these hierarchies (i.e. file -- I provide a list in my controller's Index action). When the user selects one to "edit" my edit action should return a page tha...

entity framework and custom entities

Hi,, Is the entity framework (EF) using instead of custom entities ? ...

Store html form on client or server while building?

Hi, I have a fairly complex html form enhanced via jquery. It has multiple tabs, within each one things like a html form builder, uploads, descriptions. There is lots of data, and as the user flicks around the various tabs I'm thinking of posting the data to the server. For example, the form builder, has about 10 properties for each fi...

What does ESP mean in assembly?

ESP = ? stack pointer What does E stand for here? UPDATE RSP for 64bit? What does R mean here? ...

Has anyone worked with EnergyPlus simulation software?

http://apps1.eere.energy.gov/buildings/energyplus/ I am researching about this software at the moment and I am wondering : How many people actually know how to use this software? Please identify yourself if you do. How many companies are using this to run energy saving simulations at the moment? Please list any you know. Is it integra...

Convincing Management to use WCF

I asked another question stating that the I am unable to use WCF in a new Web Service project and have come to see that it seems to be the technology to use in regards to extensibility and security. My question is a simple one: How can I persuade management (and developers for that matter) to move over to using WCF as opposed to other ...

Architecture for multiple web apps and databases.

We used to have only one web app, but now we are breaking it down into multiple ones. Each one will be packaged as separate product (web app) Some have things in common some do not. It was originally coded with php and using Postgresql 8.4 and CodeIgniter as the framework. I am looking for some good suggestions on how I should set up ...

.NET integration Framework

Is there any kind of framework that provides some generic mechanism for integration between applications or something similar? By integration I presume data exchange (import and export) between two applications via some standard interface like Web Service. ...

Is it a good idea to use MySQL and Neo4j together?

I will make an application with a lot of similar items (millions), and I would like to store them in a MySQL database, because I would like to do a lot of statistics and search on specific values for specific columns. But at the same time, I will store relations between all the items, that are related in many connected binary-tree-like ...

Reporting System architecture for better performance

Hi, We have a product that runs Sql Server Express 2005 and uses mainly ASP.NET. The database has around 200 tables, with a few (4 or 5) that can grow from 300 to 5000 rows per day and keep a history of 5 years, so they can grow to have 10 million rows. We have built a reporting platform, that allows customers to build reports based on t...

FormattedException instead of throw new Exception(string.Format(...)) in .NET

I have been thinking of a good generic exception object that would replace throw new Exception(string.Format("...",...)), to both simplify and also to speed up such objects. The formatting by slow String.Format() should be delayed until Message property is called. Serialization is also somewhat risky. Also, such object could later implem...

Could any help me in resource of how to build framework with api like facebook ?

we will develop a web site that will have some free services and we want to make it as a framework that can any build application over it or can use its api in their site .. Could any lead me in how to start it , what's the better architecture and design pattern help in that , is there any resources discuss or explain how to do like thi...

Maintain order of messages via proxies to app servers

Hi, I am receiving messages from a 3rd party via a http post, and it is important that the order the messages hit our infrastructure is maintained through the load balancers and proxies until it hits our application server. Quick Diagram. (proxies in place due to security requirements.) [ACE load balancer] -> [2 proxies] -> [Applicati...

Java - When to use Iterators?

Hi all, I am trying to better understand when I should and should not use Iterators. To me, whenever I have a potentially large amount of data to iterate through, I write an Iterator for it. If it also lends itself to the Iterator interface, then it seems like a win. I was reading a little bit that there is a lot of overhead with usi...