Author Archive

Sparse Vectors in Apache Spark

What is a Sparse Vector

A vector is a one-dimensional array of elements. So in a programming language, an implementation of a vector is as a one-dimensional array. A vector is said to be sparse when many elements of a have zero values. And when we write programs it will not be a good idea from storage perspective to store all these zero values in the array.

So the best way of representation of a sparse vector will be by just specifying the location and value.
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10 New Amazon Web Services Tools Recently Added to the Arsenal

Cloud and cloud based services have really changed thet way solutions are developed these days.

There are multiple players providing cloud services but there is no doubt that amazon web services excel in this domain.

The suite of services that come bundled with amazon web services is getting richer everyday. With frequent updates and new releases AWS definitely has something for every business and domain.

Today, I’d like to share with you some of the new tools added in amazon web services.
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Quick Zookeeper Tutorial from a Developer’s Perspective

All of us love zookeeper and whenever we have to pick up choosing a coordination service this has really become the default choice for almost all of us.

A zookeeper is a lot like a file system (but is not one) with hierarchical structure. Every node in the zookeeper tree is called a znode (pronounced as zee-node). It contains data and can also have children.

I’m listing down some of the key characteristics of Zookeeper which all of us should know before using it.
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Online Cloud Storage with Mozy by EMC

Whether you’re an individual user or an enterprise, keeping the data safe is your biggest concern and should be one of your topmost priorities.

You can either use a backup disk to transfer your data regularly to back it up, or now with cloud computing get rid of all such botheration. The rule of the game has changed now and you can use the power of the cloud and take backups on the fly and upload it online.
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What is 5g Technology in Mobile Phones ?

What is 5G networkIt’s not been long since 4G technology in mobile phones is being adopted by telecom companies and now we’re hearing a lot of buzz about 5G networks.

Let’s what is this 5G technology for mobile phones is, and what we know about it so far.

With the increasing number of mobile devices everyday telecom companies are forced to develop appropriate infrastructure. Users of smartphones and tablets consume more and more data every day.
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The History of Sony Walkman: See how it all changed

Sony-Walkman-NWD--W273-2014We all love the Walkman and it has always been in our wish list since its launch. Here is a recap on the long journey our favorite device, the Sony Walkman.

1. Sony Walkman TPS-L2 (1979)

This was the first model of the Walkman, which went on the market exactly 35 years ago with the price of $ 150. Initially it did not do well, but over time its sales suddenly increased and eventually became an icon of the 80s
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What is Adobe Creative Cloud

Adobe, the world-renowned manufacturer of software for creating and editing all kinds of media, released the next version of Adobe Creative Cloud service recently.

What is Adobe Creative Cloud(CC) ?

This service allows you to work from virtually anywhere on your favorite software and store and access your creative files on the cloud.
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Pro Tips & Tricks for Your Browser

In today’s world web browser is no longer an application to surf internet, but it offers users so much more. Web browsers now offer themes, applications, toolbars, applets and much more.

If you are looking forward to enhancing your web browsing experience then you better try these tricks with your browser.

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7 Best Web Analytics Tools for Website Owners and Bloggers

web analyticsWeb analytics tools are a great help for all of us who wish to keep their sites updated and be aware of the visitor statistics, which can help in defining goals and eventually result in growth of the website. A good statistics package will let you know significant information about the visitors visiting your website, which when interpreted wisely can help you understand which trends work for your site and which don’t.

Here is a quick review of 7 Best Web Analytics tools which can assist you in keeping your website updated.
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10 Tools to Create Customized Ringtones for iPhone

iphone ringtoneMost people would love to have customized ringtones for their iPhones, but the problem is that customized ringtones are hard to come by. But, by using some special software, you could create whatever ringtone you’d love to have on your iPhone.

Here is a list of some of the softwares that could be used for creating customized ringtones are listed here. You have to pay to use some of them while others are free.

1. Xilisoft iPhone Ringtone Maker

This Mac-compatible software can be used to create M4R iPhone ringtone from MP3, WAV, WMA, RA and M4A. Other formats that can be converted to M4R iPhone ringtone format are: MOV, 3GP, MKV, RM, MPEG, AVI, DivX, WMV, MP4, H.264/AVC, AVCHD and XviD. The ringtones can then be transferred to your iPhone and you are good to go.
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