trends Tutorials

Data Analytics - Which programming language to learn. R vs Python

  • 2017-09-24
  • Comments
  • Ashley J
  • 877

Often people ask which one is better to learn? R or Python. Python is better for for data manipulation and repeated tasks, while R is good for ad hoc analysis and exploring datasets. For example, take text analysis, where you want to deconstruct paragraphs into words or phrases and then identify patterns. In this use case R is better suited and makes it simple. On the other hand, take for example, pulling the data, to running automated analyses over and over, to producing visualizations like maps and charts from the results then Python is better suited.
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Overview and History of R

  • 2018-04-12
  • Comments
  • Karthik Janar
  • 877

In the world of data science, two popular programming languages are used today. R and Python. For a good comparison of R and Python read this tutorial. Personally I prefer R over Python because of its rich set of freely available packages and its visualization capabilities. R is based on an older language named S. S was originally developed at Bell Labs by John Chambers in 1976 as an internal statistical analysis environment using fortran libraries. In 1988 it was rewritten in C.
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What is SaaS?

  • 2009-03-28
  • Comments
  • William Alexander
  • 878

Typically a Software is either an Application software or a system software. An application software is meant for humans and is developed to solve a specific problem or a purpose. For example Microsoft Word is an application that is meant for Data Processing. System software on the other hand is a software that is meant for machines and is developed to interact with machines. Application softwares usually work with system software to form an useful solution. For example a printer driver is a system software and interacts with a printer and a computer processor. An application software such as Microsoft Word uses these drivers to print a document.
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What is cloud computing?

  • 2009-04-03
  • Comments
  • William Alexander
  • 877

If you have seen any system architecture diagrams, which I guess you should have, you couldn't have missed the cloud in the center of any system diagrams. The cloud usually means "Internet". So it goes without saying that the cloud in "cloud computing" simply means the Internet. However when computing is added to it, there is a whole new meaning. As with any upcoming technology buzzwords, "cloud computing" is bound to have many definitions. It simply means any service that is available over Internet.
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What is Google Apps?

  • 2009-04-30
  • Comments
  • William Alexander
  • 877

Google Apps is a set of office productivity tools provided by Google for the enterprise market. It all started with the launch of google's version of free email, the GMAIL. The pure email platform has slowly evolved as google continued to add more features to it. Chat was embedded with the launch of Google Talk. Audio as well as Video chat was later supported. Google Docs provided the ability to upload, share and organise documents. Calendaring was supported.
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Android Basics - An Introduction to Android

  • 2009-05-12
  • Comments
  • Ramarajan
  • 877

Android is a software stack for mobile devices that includes an operating system, middleware and key applications. The Android SDK provides the tools and APIs necessary to begin developing applications on the Android platform using the Java programming language.
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Google Wave - Get Ready for the next big wave from Google

  • 2009-06-01
  • Comments
  • William Alexander
  • 877

The next big wave from Google is the Google Wave. In the recent Google I/O event, Google showed a demo of its latest upcoming project, the Google Wave. From the looks of it, Google Wave is the convergence of Email, Instant Messaging, Collaboration and Social Networking.
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Introduction to Amazon Web Services

  • 2010-07-03
  • Comments
  • Clay Loveless, Chief Architect, Mashery
  • 877

While Amazon Web Services (AWS) may seem like an unusual service for an online retailer, AWS is actually a natural progression for a company as seasoned at providing rock-solid internet applications as Amazon. Over the years, Amazon has cultivated a tremendous amount of knowledge around what it takes to build and maintain a successful, highly scalable web application. Fortunately for the rest of us, they've made this knowledge available to all developers via AWS.
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What is Windows Azure?

  • 2010-08-13
  • Comments
  • Emiley J
  • 877

The Windows Azure™ Platform is an Internet-scale cloud services platform hosted through Microsoft data centers. The platform includes the Windows Azure operating system and a set of rich developer services.
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What is IAAS?

  • 2010-12-09
  • Comments
  • William Alexander
  • 877

IASS stands for Infrastructure As A Service. Wasn't that easy to understand? Infrastructure here means all the servers, the switches, the storage, the ups, the firewalls, the routers and any network equipment that normally sits in your "server room".
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HA and DR in a cloud environment such as Amazon EC2

  • 2012-10-20
  • Comments
  • William Alexander
  • 877

When you have decided to move your application hosting to the cloud such as amazon ec2 instances, the common question is how can High Availability and Disaster Recovery can be achieved in a cloud environment.
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Archived Comments

1. I want full information about Java & Data Stru
View Tutorial          By: s.karthick at 2015-05-07 05:32:24

2. Good ,I like here! I send gmail with j
View Tutorial          By: jackhexl at 2009-04-02 03:29:44

3. gooooooodddddddd
View Tutorial          By: arya tandon at 2015-02-23 09:08:05

4. the default construrctor does not give the defalut
View Tutorial          By: muhammad abdullah at 2011-04-11 13:16:20

5. Hi Andrew,

I have a java applicatio

View Tutorial          By: kumar at 2010-10-06 10:42:55

6. good
View Tutorial          By: Devil vampire at 2009-03-23 12:20:03

7. its a good example
View Tutorial          By: Sonal at 2009-03-25 08:35:10

8. hi all i receive below error can any one help me p
View Tutorial          By: Purushothaman at 2009-04-03 17:38:42

9. Could you somehow use the substring method to pars
View Tutorial          By: Eric at 2009-04-26 19:20:26

10. Looks good, but don't use gets(). gets() is respon
View Tutorial          By: Luke at 2011-11-21 09:03:38