With Teiid the integration between different data sources (flatfiles, web services, databases) is possible by creating a VirtualDB as one federated database, allowing to perform SQL statements (as joins f.e.) trough a JDBC connection. Let’s start learning how to create a virtual database from a text file. Read more[...]
We have implemented the cassandra-sharp client within a VB.Net 3.5 project (it would work in C# as well) in Microsoft Visual Basic 2008 Express edition. Considering you already have a Cassandra server up and running a CQL query from .Net 3.5 can be easily executed with the following example Read more[...]
This Opa tutorial shows how to perform typical operations in a database by using a web user interface. Our example it’s an application to manage a database of “Customers” where the user can read all the registers, create, update or delete them. Try the demo! Read more[...]
Trying to find new solutions or technologies to develop web applications I discovered Opa, an alternative oriented to cloud computing environments. Opa is a new web development platform available as open source that includes its own language and compiler and offers a solution for scalability, security and integration for web applications. Read more[...]
Since 2008 the cloud computing is acquiring importance, more and more enterprises are offering or adapting their solutions for a cloud computing environment. Could be an advantage for our business to use them? How will affect us the migration to the cloud? There will be pros and cons, so taking advantage of a cloud computing environment will depend on our business situation that has to be analyzed before making a decision Read more[...]
Frequently when designing our web site we assume the behaviour of our visitors, believing they will interact in a certain way. However another points of view have to be considered because not everyone has the same notion and/or knowledge of the information offered in our site. Have you ever cared about the usability on your web site? When a visitor comes to your site, does he know what to do and how do it? Read more[...]
Every day enterprises are considering digital marketing campaigns more and more as an important part (even the most one) of their marketing budgets. The online channel is changing the business models since some years. To better understand the importance of online marketing campaigns let’s analyze five facts that will help us figuring out the evolution of online users. Read more[...]
Host your blog in the cloud using an Amazon EC2 (Elastic Compute Cloud) instance as a free solution. Following this tutorial you will be able to install WordPress, Apache and MySQL in a cloud computing platform provided by Amazon Web Services (AWS). Read more[...]
Semoru.com is a blog hosted in the cloud using an Amazon EC2 (Elastic Cloud Computing) instance and WordPress. In this blog we would like to share opinions, experiences and solutions about WEB, development, mobile platforms, online marketing and data mining. Read more[...]