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C++ Basics
By Peter Gottschling
Feb 5, 2016
Learn the fundamental features of C++, including variables, operators, expressions and statements, functions, error handling, I/O, arrays, pointers, and references, and structuring software projects.
Video: OBIEE 11g Reports and Dashboards: Define the Data Sources and Create the Data Model
By Dan Hotka
Feb 5, 2016
In this excerpt from OBIEE (Oracle Business Intelligence Enterprise Edition) 11g Reports and Dashboards LiveLessons, Dan Hotka shows you how to configure data sources for your BI report.
Getting Your Feet Wet with Swift: Variables, Constants, and Loops
By Jacob Schatz
Feb 4, 2016
This chapter from Learning Swift 2 Programming, 2nd Edition covers the basic building blocks of Swift. It starts with variables and constants. With this knowledge, you will be able to store whatever you’d like in memory. This chapter also goes over how Swift handles loops and if/else statements.
Multi-Mode Data Structures in R
By Andy Nicholls, Aimee Gott, Richard Pugh
Feb 4, 2016
This chapter from R in 24 Hours, Sams Teach Yourself focuses on two key data structures that allow you to store "multi-mode" data: lists and data frames. Learn the ways in which these structures can be created and managed, with a focus on how to extract data from them. Also learn how these two data structures can be effectively used in your day-to-day work.
Understanding Python Basics
By Richard Blum, Christine Bresnahan
Feb 3, 2016
In this chapter from Python Programming for Raspberry Pi, Sams Teach Yourself in 24 Hours, 2nd Edition, you will learn some Python basics, such as using the print function to display output. You will read about using variables and how to assign values to variables, and you will gain an understanding of their data types. By the end of this chapter, you will know how to get data into a script by using the input function and write your first Python script!
Video: OBIEE 11g Reports and Dashboards: Build Another Analysis Using Formatting and Column Properties
By Dan Hotka
Feb 3, 2016
In this excerpt from OBIEE (Oracle Business Intelligence Enterprise Edition) 11g Reports and Dashboards LiveLessons, Dan Hotka shows you formatting techniques and column properties.
Getting Started with Data Science: Hypothetically Speaking
By Murtaza Haider
Feb 2, 2016
This chapter from Getting Started with Data Science: Making Sense of Data with Analytics introduces the basic concepts of random numbers and probability distributions. It provides a formal introduction of Normal and t-distributions, which are commonly used for statistical models. Finally, it explores hypothesis testing for the comparison of means and correlations.
How to Negotiate a Job Offer
By Pat Brans
Feb 2, 2016
Unless you're a professional athlete or a movie star, you're unlikely to get a job offer with payment expectations beyond your wildest dreams. But you also shouldn't approach a potential employer with hat in hand. If you want the job and you're qualified for it, you have something to offer in exchange. Pat Brans explains how to approach the bargaining table with confidence and walk away satisfied—and hired.
Peripherals and Custom Computing
By David L. Prowse
Feb 2, 2016
Learn about the devices and peripherals we add on to the computer, the ports they connect to, as well as some custom PC configurations you will undoubtedly encounter in the field.
Learning Core Data for iOS with Swift: Managed Object Model Migration
By Tim Roadley
Feb 1, 2016
This chapter from Learning Core Data for iOS with Swift: A Hands-On Guide to Building Core Data Applications, 2nd Edition shows how to add model versions and model mappings, and it demonstrates different migration techniques you can choose when upgrading a model.
The Swift Developer's Cookbook: Optionals?!
By Erica Sadun
Feb 1, 2016
Learning how to recognize and use optionals is an essential step in mastering the Swift language. This chapter from The Swift Developer's Cookbook introduces optionals and surveys the supporting constructs you need to create, test, and successfully use optionals in your code.
Video: OBIEE 11g Reports and Dashboards: Add Narrative Views and Custom Formulas
By Dan Hotka
Feb 1, 2016
In this excerpt from OBIEE (Oracle Business Intelligence Enterprise Edition) 11g Reports and Dashboards LiveLessons, Dan Hotka shows you how to work with narrative displays and utilize custom formulas.
Video: OBIEE 11g Reports and Dashboards: A Course Introduction
By Dan Hotka
Jan 29, 2016
In this excerpt from OBIEE (Oracle Business Intelligence Enterprise Edition) 11g Reports and Dashboards LiveLessons, Dan Hotka introduces himself and his video course, which covers how to create, modify, run, and refine ad hoc queries.
Social Media Analytics: Whose Comments Are We Interested In?
By Matthew Ganis, Avinash Kohirkar
Jan 28, 2016
During the definition of a typical social media analysis project, requesters should specify whose opinion are they interested in. This chapter from Social Media Analytics: Techniques and Insights for Extracting Business Value Out of Social Media explores how important it is to determine whose comments we are interested in.
Summarizing Data Results from a Query in SQL
By Ron Plew, Ryan Stephens, Arie D. Jones
Jan 28, 2016
Aggregate functions can be useful and are quite simple to use. In this chapter from SQL in 24 Hours, Sams Teach Yourself, 6th Edition, you learn how to count values in columns, count rows of data in a table, get the maximum and minimum values for a column, figure the sum of the values in a column, and figure the average value for values in a column.
Navigating Your File System in Linux
By Scott Granneman
Jan 27, 2016
After you learn the commands in this chapter from Linux Phrasebook, 2nd Edition, you can start controlling your shell and finding out all sorts of interesting things about your files, folders, data, and environment.
Using ARIA Roles to Make Your Websites More Accessible
By Jennifer Kyrnin
Jan 27, 2016
Jennifer Kyrnin, author of Sams Teach Yourself Responsive Web Design in 24 Hours, considers ARIA roles to be an important accessibility tool for every website. Learn about the most useful ARIA roles and how to include them relatively painlessly in your pages.
Customizing Your Galaxy Note 5
By Craig James Johnston, Guy Hart-Davis
Jan 26, 2016
This chapter from My Samsung Galaxy Note 5 shows you how to use wallpapers and live wallpapers, replace the keyboard, adjust sound and display settings, set the region and language, and use the fingerprint scanner.
Cisco Video Surveillance
By Brian Morgan, Jason Ball
Jan 25, 2016
This chapter from CCNA Collaboration CIVND 210-065 Official Cert Guide offers a high-level overview of the solution Cisco offers in IP surveillance. The first section reviews legacy closed-circuit TV (CCTV) video-surveillance architecture and how it has evolved into what is available today. The subsequent sections cover Cisco’s physical security offering, the components involved with their solution, and the architectural design of how all the different elements work together.
Dependency Management with Apache Ivy
By Stephen B. Morris
Jan 25, 2016
Looking to get started with a simple dependency-management tool? The combination of Ant and Ivy is a solid proposition in this space, and this toolset may save you more than just time. Stephen B. Morris provides some clues.

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