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Advanced Hadoop MapReduce Administration

by Srinath Perera Thilina Gunarathne | April 2013 | Cookbooks Open Source

In this article by Srinath Perera and Thilina Gunarathne, authors of Hadoop MapReduce Cookbook, we will cover:

  • Tuning Hadoop configurations for cluster deployments

  • Running benchmarks to verify the Hadoop installation

  • Reusing Java VMs to improve the performance

  • Fault tolerance and speculative execution

  • Debug scripts – analyzing task failures

  • Setting failure percentages and skipping bad records

  • Shared-user Hadoop clusters – using fair and other schedulers

  • Hadoop security – integrating with Kerberos

  • Using the Hadoop Tool interface

Read Advanced Hadoop MapReduce Administration in full

Creating a website with Artisteer

by Jakub Sanecki | April 2013 | Joomla! WordPress

The article, Creating a website with Artisteer, helps you develop a good-looking, professional website using Artisteer without the need to learn programming languages. This article by Jakub Sanecki, author of Creating Templates with Artisteer, explains the process of designing templates for websites using Artisteer.

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Getting started with Modernizr using PHP IDE

by Chip Lambert | April 2013 | Open Source

This article by Chip Lambert, author of Instant RESS Implementation How-to will explain how to get started with the feature detection library, Modernizr.

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Creating weapons for your game using UnrealScript

by Dave Voyles | April 2013 | Cookbooks Games

In this article by Dave Voyles, author of UnrealScript Game Programming Cookbook, we will learn how we can create a gun that fires homing missiles, a gun that heals pawns, and a weapon that can damage over time.

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Querying and Selecting Data

by Eric Pimpler | April 2013 | Cookbooks

Selecting features from a geographic layer or rows from a standalone attribute table is one of the most common GIS operations. Queries are created to enable these selections, and can be either attribute or spatial queries. Attribute queries use SQL statements to select features or rows through the use of one or more fields or columns in a dataset. An example attribute query would be "Select all land parcels with a property value greater than $500,000". Spatial queries are used to select features based on some type of spatial relationship. An example might be "Select all land parcels that intersect a 100 year floodplain" or perhaps "Select all streets that are completely within Travis County, Texas". It is also possible to combine attribute and spatial queries. An example might be "Select all land parcels that intersect the 100 year floodplain and have a property value greater than $500,000".

In this article by Eric Pimpler, author of Programming ArcGIS 10.1 with Python Cookbook, we will cover the following recipes:

  • Constructing proper attribute query syntax

  • Creating feature layers and table views

  • Selecting features and rows with the Select Layer by Attribute tool

  • Selecting features with the Select by Location tool

  • Combining spatial and attribute queries with the Select by Location tool

Read Querying and Selecting Data in full

SciPy for Computational Geometry

by Francisco J. Blanco-Silva | April 2013 | Open Source

In this article by Francisco J. Blanco-Silva, the author of Learning SciPy for Numerical and Scientific Computing, we will cover the routines in the scipy.spatial module that deal with the construction of triangulations of points in spaces of any dimension, and the corresponding convex hulls. The procedure is simple; given a set of m points in the n-dimensional space (which we represent as an m x n NumPy array), we create the scipy.spatial class Delaunay , containing the triangulation formed by those points.

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Installing and customizing Redmine

by Andriy Lesyuk | April 2013 | Open Source

In this article by Andriy Lesyuk, author of Instant Google Drive Starter, you will learn how to install and customize Redmine.

For installing Redmine from a package we will use Ubuntu Server 12.04 LTS. Why Ubuntu? Because it's one of the most popular Linux distributions nowadays and Ubuntu is widely used along with Redmine (for example, the TurnKey Linux is also based on Ubuntu).

Read Installing and customizing Redmine in full

Getting Started with PrimeFaces

by Mert Çalışkan Oleg Varaksin | April 2013 | Cookbooks Java Open Source

The purpose of the article, PrimeFaces—the rapidly evolving, JSF component suite, is to address a wide audience interested in modern, trend-setting Java or JEE web development. In this article by Mert Çalışkan and Oleg Varaksin, authors of PrimeFaces Cookbook, we will be provided with a sneak preview on some of the prime features of PrimeFaces, such as the AJAX processing mechanism and resource handling with Internationalization and Localizaiton, along with the necessary steps to implement a simple web application using PrimeFaces, which will give a head start to the user.

In this article  we will cover:

  • Setting up and configuring the PrimeFaces library

  • AJAX basics with Process and Update

  • Internationalization (i18n) and Localization (L10n)

  • Improved resource ordering

  • PrimeFaces scaffolding with Spring Roo

Read Getting Started with PrimeFaces in full

Creating a Lazarus Component

by Roderick Person | April 2013 | Open Source

In this article by Roderick Person, author of Getting Started with Lazarus IDE, we are going to look at creating new components for Lazarus. We will do this by:

  • Creating a message-logging component

  • Adding properties to the components that appear in the Object Inspector window when a component is used in design time

  • Adding events of the components that appear in the Object Inspector window when a component is used in design time

  • Learning the basics of creating a Property Editor window

  • Learning the basics of creating a Component Editor window and looking at the TCheckListBoxComponentEditor component are some examples

So let's begin.

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Creating your first VM using vCloud technology

by Daniel Langenhan | April 2013 | Enterprise Articles

This article by Daniel Langenhan, author of Instant VMware vCloud Starter [Instant] explains how we can create our first VM in vCloud using VMware vCloud Director.

We first have to get vCloud Director installed then we can start playing with it. Our first aim is obviously to deploy a VM inside our vCloud. To do that, we have to assign resources (CPU memory and disk) to vCD for consumption. In step 1 we will learn about all the different types of resources, and in steps 2 to 5, we will build them. Step 6 finally builds a vApp. Last but not least, I will give you some ideas about what to explore next.

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So, what is ForgedUI?

by Joseandro Luiz | April 2013 | Web Development

In this article by Joseandro Luiz, author of Instant ForgedUI Starter, we will introduce ForgedUI and explain how it makes cross-platform app development easier.

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Building a London Travel Guide with iBooks Author

by Zeeshan Chawdhary | April 2013 | Enterprise Articles

This article by Zeeshan Chawdhary, author of Instant Apple iBooks How-to, helps us create a full working book with iBooks Author titled London CityGuide. This will incorporate all the widgets and functions available within iBooks Author as well as a case study for layout/design.

The content will be travel-specific for London, sourced from www.WikiTravel.org, Wikipedia, and other open sources. Images will be from Creative Commons wherever possible, or free to use, depending on licenses from original owners.

The finished book is available for download via the iTunes store at https://itunes.apple.com/us/book/london/id593298852?ls=1.

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Creating a Custom HUD

by John P. Doran | April 2013 | Games

In this article by John P. Doran, the author of the book, Mastering UDK Game Development, we will guide us in creating a HUD that can be used within a Medieval RPG and will fit nicely into the provided Epic Citadel map making use of Scaleform and ActionScript 3.0 using Adobe Flash CS6.

We can have the most fun game in the world, but if the player has no idea what's going on it is next to impossible for that fun to be experienced by anyone other than the creator. One of the main tools that we use within the game industry to pass on information to the user is a heads—up display, more commonly referred to as a HUD.

The tool that most modern—day games use for doing user—interface (UI) work, such as HUDs, is Scaleform. Scaleform has been used with great success in Unreal games such as Borderlands 2, Mass Effect 3, XCOM: Enemy Unknown, and Bioshock Infinite.

Scaleform allows users to bring in Flash animation files to UDK to be rendered directly on the screen or rendered onto textures that can be used within the game world. We can interact with these movies using both Kismet and UnrealScript to create whatever kind of interface you can dream of.

 

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Line, Area, and Scatter Charts

by Joe Kuan | April 2013 | Open Source

In this article by Joe Kuan, the author of the book Learning Highcharts, we will cover the following topics:

  • Introducing line charts

  • Sketching an area chart

  • Mixing line and area series

  • Combining scatter and area series

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Inventorying Servers with PowerShell

by Ed Goad | April 2013 | Cookbooks Enterprise Articles Microsoft

This article explains how to inventory the hardware and software configurations of Windows 8 Servers and create a detailed inventory and configuration report. Additionally, this article will cover methods to track configuration changes over time, export the configuration report via Word. This article should cover everything necessary to create a centralized hardware and software inventory of all servers in the enterprise.

This article by Ed Goad, author of Windows Server 2012 Automation with PowerShell Cookbook, covers the following topics:

  • Inventorying hardware with PowerShell

  • Inventorying the installed software

  • Inventorying system configuration

  • Reporting on system security

  • Creating a change report

  • Exporting a configuration report to Word

Read Inventorying Servers with PowerShell in full
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