Wednesday, April 23, 2014

Ruminating on Network Port Mirroring

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For any network sniffer (analyzer) or Network Intrusion Detection Systems to work, the concept that is applied behind the scenes is ' N...
Monday, April 14, 2014

Updating content in an iOS app

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Any mobile app needs to have a design strategy for updating content from the server. We were exploring multiple options for retrieving cont...
Thursday, March 20, 2014

Mobile Device Management Products

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My team was helping our organization to evaluate different Mobile Device Management (MDM) tools for enterprise level deployment. The follow...
Monday, March 17, 2014

Ruminating on Distributed Logging

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Of late, we have been experimenting with different frameworks available for distributed logging. I recollect that a decade back, I had writ...
Sunday, March 16, 2014

Calling a secure HTTPS webservice from a Java client

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Over the last decade, I have seen so many developers struggle with digital certificates when they have to call a secure webservice. A lot o...
Wednesday, February 19, 2014

MongoDB support for geo-location data

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It was interesting to learn that FourSquare uses MongoDB to store all its geo-spatial data. I was also enlightening to see JSON standards f...

Ruminating on SSL handshake using Netty

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I was again amazed at the simplicity of using Netty for HTTPS (SSL) authentication. The following sample examples are a good starting point...
Tuesday, February 18, 2014

Ruminating on IoT Security

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The Internet of Things (IoT) is going to be the next big investment area for many organizations as the value of real-time data keeps on i...
Monday, February 17, 2014

How are hash collisions handled in a HashMap/HashTable?

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In my previous post , I had explained how HashMap is the basic data-structure used in many popular big data stores including Hadoop HBase. ...

HashSet vs HashMap

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Today, one of my developers was using a HashMap to store a white-list of IP addresses. He was storing the IP address as both the key and va...
Wednesday, February 12, 2014

Ruminating on Star Schema

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Sharing a good YouTube video on the basic concepts of a Star Schema. Definitely worth a perusal for anyone wanting a primer on DW schemas. ...

Ruminating on Column Oriented Data Stores

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There is some confusion in the market regarding column oriented databases (aka column-based). Due to the popularity of NoSQL stores such as...

Ruminating on BSON vs JSON

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MongoDB uses BSON   as the default format to store documents in collections. BSON is a binary-encoded serialization of JSON-like documents....

Ruminating on HBase datastore

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While explaining the concept of HBase to my colleagues, I have observed that folks that do NOT have the baggage of traditional knowledge on...
Tuesday, February 11, 2014

Examples of Real Time Analytics in Healthcare

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The Healthcare industry has always been striving for reducing the cost of care and improving the quality of care. To do this, Payers are fo...

Ruminating on Decision Trees

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Decision trees are tree-like structures that can be used for decision making, classification of data, etc. The following simple example  (...

When to use a Rule Engine?

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The following article on JessRules.com is a good read before we jump on using a RuleEngine for each and every problem. http://www.jessr...
Friday, February 07, 2014

Ruminating on Netty Performance

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Recently we had again used Netty for building a Event Server from grounds-up and we were amazed at the performance of this amazing library....
Wednesday, February 05, 2014

Ruminating on Apple Passbook

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The Apple ' Passbook ' is an iOS application that allows users to store coupons, boarding passes, event tickets, gift cards (or any...
Wednesday, January 29, 2014

A/B testing vs. Multivariate testing

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The following articles give us a good overview of the differences between A/B testing and multivariate testing. http://visualwebsiteoptim...
Tuesday, January 28, 2014

Ruminating on Information Architecture

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Information Architecture is both an art and science of organizing and structuring your content in such a way that it is very intuitive for ...
Monday, January 27, 2014

Ruminating on Liferay CMS

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It had been a few years since I had last used Liferay portal. Today my team members demonstrated the simplicity of the CMS (content managem...
Thursday, January 23, 2014

Three Rules for Making a Company Truly Great

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Interesting HBR article: http://hbr.org/2013/04/three-rules-for-making-a-company-truly-great/ http://www.thethreerules.com/rules

What do Custodians do?

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A custodian is responsible for the safekeeping and safeguarding of investments & securities on behalf of the owners. Owners could be mu...
Thursday, January 16, 2014

Advanced search options in Windows Search

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I had always been a fan of Google Desktop and it's ability to surface any information hidden under folders. Recently my friend mentione...
Monday, November 18, 2013

Twitter bootstrap has come a long way !

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The latest version of bootstrap (version 3) really rocks ! I was mighty impressed with the default JavaScript controls available and the ea...

Aah! It's Lorem ipsum

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It's interesting to learn something new everyday. Today I learned about ' Lorem ipsum '. I had seen such text so many times a...

Ruminating on Agile and Fixed Price Contracts

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Fixed Price Contracts have become a necessary evil for all agile practitioners to deal with. Over the last few years, I am seeing more and ...
Wednesday, November 13, 2013

Beautiful REST API documentation

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InfoQ has published a list of tools that can be used for creating some cool documentation for our Web APIs. I was particularly impresse...
Thursday, October 24, 2013

Ruminating on HIE (Health Information Exchange)

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The healthit.gov site gives a very understanding on HIE. This is not to be confused with HIX (Health Insurance Exchange). Snippet from th...