Most of the enterprise customers we, at 8KMiles, talk to are warming up to the possibilities and the business value they can derive from the public cloud (scalability, high availability to name a few). But one question that we face often is what do enterprises do with all the existing investments made into on-premise...
Read more →Cloud computing in simplest terms involves providing compute resources based on the application needs and data stores on Internet scalable data centers instead of storing them on on-premise hardware. With Cloud a developer need to concentrate only on the business logic as most of the infrastructure heavy lifting required to make the application scalable...
Read more →Mobile App development is big business and everyone from graduate students to large corporations are making huge investments. The key to good app development – is engagement. One of the ways to keep users engaged is to keep data fresh at all times, which requires a strong mobile backend that is both scalable and always...
Read more →In this post, I have explained how to setup mahout (CDH3). Its pretty simple to install mahout using CDH3. If you want to setup apache mahout, follow the instructions in this link. OS & Tools used in this setup: OS: Ubuntu – 11.04 JVM: Sun JDK – 1.6.0_26 Hadoop: CDH3 (Cloudera’s Distribution – Apache...
Read more →Problem: We have a set of 1000 items on server. Getting all the items from the server is very costly for slow data connections, hence on the first request we need to get just say 100 items and as the user scrolls, the application can make further request and get the next set of...
Read more →Touch Event is probably one of the most basic activities that any smartphone app will have in iOS devices. It basically senses the user’s touch on the screen of the iPhone or iPod Touch. When the user touches the screen, the View or View Controller fires a series of events that you can handle....
Read more →Introduction : The purpose of this tutorial is to show the Image Masking technique in IOS, its pretty simple .. Step 1: Create Two UIImage UIImage *img = [self maskImage:[UIImage imageNamed:@"Flower1.png"]]; UIImage *img1 = [UIImage imageNamed:@"blackMug.png"]; Step 2: Create UIImageView for Background image UIImageView *imgView1 = [[UIImageView alloc] initWithImage:img1]; imgView1.backgroundColor = [UIColor...
Read more →Introduction The important contribution of smartphone to users other than making calls is presenting data in forms of dashboard. Not to say the benefit, it gives users clear understanding of the presentation. This article explains how to present the data in charts (Vertical Bar diagram) in iOS. Solution The simplest solution for drawing the...
Read more →The following code snippet takes the screen shot and crops the area for a particular area. //Create a bitmap-based graphics context and makes it the current context. UIGraphicsBeginImageContext(contectRect.size); //Render the receiver and its sublayers into the specified context(self.view.layer). ; //Create an image based on the contents of the current bitmap-based graphics context....
Read more →Introduction : To store and retrieve any amount of data using Amazon S3. This article demonstrates to upload image to Amazon S3 from iphone device and how to make that available to the web and how to download all the files in a specific bucket without naming them individually from Amazon S3. Amazon S3...
Read more →For an overview of Hive, please refer Hive – A Petabyte Scale Data Warehouse using Hadoop Installation As mentioned in the overview, Hive runs on top of Hadoop. It is sufficient to install Hive only on the Hadoop master node. Before installing Hive, ensure that Hadoop is installed in any of the modes. For the...
Read more →To install Mahout on a Hadoop cluster, please refer Apache Mahout – Installation on Hadoop cluster. Clustering These techniques attempt to group a large number of things together into clusters that share some similarity. It’s a way to discover hierarchy and order in a large or hard-to-understand data set, and in that way reveal interesting...
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