Rajan's View

Posted by Rajan Manickavasagam December 26th, 2011 News 360 Rating: 4 out of 5 I think, one of the habits we all have is reading news or other articles on the net. Generally people use their browser to read the news. This year has seen a lot of mobile and tablet apps launched in the market. One of the leading apps is of course, Flipboard. But it's available only in the iOS platform for now. In the other mobile platforms, we have apps like Pulse, Feedly and the latest entrant - Google Currents. For me, the one app that stands out is News360. Depending on your platform, download the app from your respective app store. When it starts, it shows all the latest news across various categories like World, Politics, Technology etc. But here comes the interesting part, you can personalize it by connecting your online profiles like Facebook, Google Reader, Evernote and Twitter. The app analyses all your activity and other information and then personalizes the news for ...

Image: Salvatore Vuono / FreeDigitalPhotos.net Ever since the launch of Siri on the new iPhone 4S, there has been a lot of talk about it being a competition for search engines and therefore Google. However, I hope and wish Google and Apple treat the two differently. And, here is why. I see Google largely as an 'information broker'. The search is brilliant and gets you to what you are looking for. And, if you are signed in, Google then makes the search experience more personalized and contextual. As a natural extension of the search capability, voice is already there but obviously not at the same level as Siri. With more information being created each day as well as the variety of devices being used to access the information, Google should continue to improve the core search. I think there is still a lot more to be done in the search algorithm, incorporating social signals and the different user experiences. For example, if I search for 'data visualization', ...

Here is a simple sample program for accessing a MongoDB database. In order to run the sample, you will need the following - PHP server 5.x running on IIS/Apache  MongoDB database  MongoDB driver for PHP  You could easily write the same program using .NET program and driver too. Hopefully, the comments in the program are self-explanatory. Happy coding and exploring!

Simply prawns It's been a while since I made any sea food. I thought a I will try a quick prawn curry. The ingredients are quite basic and somehow they just seem to be good enough for the prawns. Contributed by Rajan Manickavasagam . Published 01. Dec 2011 Ingredients 4   tablespoons  vegetable oil 3 sliced green chillies 1 teaspoon of ginger and garlic paste 1 sliced onion 2 chopped tomatoes 1/2 teaspoon of turmeric powder 1 teaspoon of chilli powder 300 gm prawns 1-2 teaspoon of salt (or to taste) Instructions Heat the oil in pan. Add green chillies, onions and saute them. Once the onions are golden brown, add the ginger garlic paste. Add the tomatoes to the pan. Add the turmeric and chilli powder to the pan. Keep frying the ingredients until they become like a paste. Add more oil if required. Add the prawns and reduce the heat. Cook the prawn in medium heat for a few minutes. Serve with naan/c...

A simple curry Here is a simple curry recipe for the busy week days. There are no particular vegetables or ingredients that you need for this recipe, just put together any set of vegetables or spices that you may have. Contributed by Rajan Manickavasagam . Published 27. Nov 2011 Ingredients 2 diced potatoes 2   diced  carrots 1 cup of green peas 1 sliced green beans 2 sliced green chillies 1 teaspoon of ginger garlic paste 1 sliced onion 4 tablespoon vegetable oil 1 handful of coriander leaves 1 clove 1 cardamom 1  teaspoon of cumin seeds 1/2 teaspoon of turmeric powder 1/2 teaspoon of chilli powder 1 cup of fresh single cream 1-2 teaspoon of salt (or to taste) Instructions Heat the oil in pan. Add cumin seeds, green chillies and onions and saute them. Once the onions are golden brown, add the ginger garlic paste and the remaining spices. Add the turmeric and chilli powder to the pan. Add...

Surprise, I am writing this post on a Friday. It all started post lunch in the office with someone singing as they were working. Suddenly, the question of someone's age came up. And, then someone else was nominated the 'Daddy' of the group, by virtue of being the oldest! A few quips and laughs and people were quickly back to work. It's just once of those 'Friday' moments in work places all over the world. It's certainly something you don't see on a Monday. While I prefer a quiet work atmosphere, office banter keeps the spirits going and helps people bond. And, probably it will be good if every day were a 'Friday'. Nevertheless, happy weekend.

​As promised, here are the results of the database shoot out between MongoDB and SQL Server. Before we get into the results, a few things worth noting. The objective of the performance test is a simple use case - search data based on some keys. I have a few self imposed principles to ensure that the test is fair and square - Use the standard configuration for the databases so that it's a fair comparison. Exactly the same data loaded into both the databases, including creating the same kind of indexes too. Exactly the same queries and parameters used for both the databases. Exactly the same client used to execute the queries against both the databases. The same kind of OS and underlying hardware (CPU, RAM etc). There are 3 separate database servers that have been used here. They are - Server 1 - Windows 2008 R2 (64 bit) physical server running MongoDB (64 bit). Server 2 - Windows 2008 R2 (64 bit) virtual server running MongoDB (64 bit). Server 3 - Windows 2008 R2 (...

I started looking at various NOSQL databases like Hbase, CouchDB and MongoDB. I finally settled on MongoDB, mainly because it was easy to setup in Windows. The name Mongo is derived from 'humongous', interesting name! For more details, you can refer - http://www.mongodb.org . As it says on the website, it is very easy to setup and highly scalable. Here are my first set of statistics - Time to download the software (64 bit edition) - 2 minutes Time to setup the database - 2 minutes Time to get the database up and running - 1 minute And, this is where I found the database to be refreshing. It is quick, even to setup, leave alone processing of data! Overall, I found these to be key features of this database - Light foorprint. Easy to setup either single or replicated instances and to administer. Schema-free data storage. In other words, there is no need to define any data structure. Incredibly quick for reads and writes. Map Reduce (with Javascript). Very ...

Several people and organizations have cited the growing size and consumption of data in the current digital age. I have deliberately used the word 'digital' instead of 'internet'. There is growing convergence of internet, media (video, audio) and devices. One can today, browse a newspaper on a Smart TV and conversely view a movie on a phone or tablet. There is of course the 'social' chatter on sites such as Facebook, Flickr and Twitter to name a few. The implication of all this is of course transmission and storage of data. I am going to cover the latter aspect in this series of articles. I have worked on various RDBMS starting from databases like SQL Server, Oracle and right up to DB2 and Teradata. I have always been curious about how data and it's application. So, I have been researching on some of the technologies that power large scale data. A key component has been the rising use 'NOSQL' databases. The NO - doesn't stand for No as in Dr...

Just read about the Google Blogger Dynamic Views. It is about changing the look and feel of a blog with new templates. I think blogging just became a whole lot more eye candy! For now the templates are simple and do not offer a lot of customizations, so a lot of my old clutter is gone. I like all the new templates. I have enabled the 'Magazine' template as default on this site now. Of course the readers can modify the layout (on the top left menu) to what they like. For those who are technically inclined, welcome to the world of HTML5. I think in the past few years we have seen a lot of hype around mobile apps, now looks like slowly HTML5 is gaining  momentum. The advantage of course being that you don't have to keep building separate apps for each mobile platform. I tried this site on the iPad, but currently it looks like only the desktop browsers are supported for now. On the mobiles, this site is set for simplified a mobile experience. I have chosen dark theme for...