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Hit the Ground Running with MongoDB and Python
By Stephen B. Morris
Sep 16, 2014
Stephen B. Morris describes how to get started with MongoDB and Python. As usual with Python, you can get productive quickly, without worrying about complex IDEs. MongoDB has a simple data model and easy-to-understand semantics, giving you a handy on-ramp to this interesting technology.
Create Your First Arduino Program
By Richard Blum
Sep 15, 2014
Write your first program and watch it work! In this excerpt from Arduino Programming in 24 Hours, Sams Teach Yourself, learn how to use the Arduino IDE software package to create, compile, and upload an Arduino program. You then learn how to interface your Arduino with external electronic circuits to complete your Arduino projects.
An Introduction to Data Visualization in JavaScript: How to Use Data-Joins in D3
By Ritchie S King
Sep 12, 2014
Data-joins are the bread and butter of D3. This chapter from Visual Storytelling with D3: An Introduction to Data Visualization in JavaScript covers how to use data-joins to add elements to a webpage and then manipulate them with data.
Init to Winit: Building Success with Swift Class Initializers
By Erica Sadun
Sep 9, 2014
Work carefully with Swift class initializers. If Objective-C is a big, warm, fuzzy teddy bear when it comes to initializers, Swift is a bespectacled, whip-carrying, leather-clad librarian with an attitude. Learn how to use convenience methods from subclasses without enraging the Swift tiger.
Learn Ruby the Hard Way: Comments and Pound Characters
By Zed A. Shaw
Sep 8, 2014
Comments are very important in your programs. They are used to tell you what something does in English, and they are used to disable parts of your program if you need to remove them temporarily. Zed Shaw shows you how to use them in Ruby, in this excerpt from Learn Ruby the Hard Way: A Simple and Idiomatic Introduction To The Imaginative World Of Computational Thinking With Code, 3rd Edition.
The Art of Computer Programming, Volume 3: Combinatorial Properties of Permutations
By Donald E. Knuth
Sep 3, 2014
In this excerpt from Art of Computer Programming, Volume 3: Sorting and Searching, 2nd Edition, Donald E. Knuth examines several properties of permutations and considers the general case where equal elements are allowed to appear. In the course of this study you will learn a good deal about combinatorial mathematics.
Building a Game from Scratch, Part 2: Coding the Game Logic
By Timothy L. Warner
Sep 2, 2014
It’s time to take our nascent game to the next level, adding enemy sprites, collision detection, and a custom "Game Over" screen. Timothy Warner prepares you to have fun and learn a bunch about programming computer games in Swift!
Preface to Improving Software Development Productivity: Effective Leadership and Quantitative Methods in Software Management
By Randall W. Jensen
Sep 2, 2014
In this preface to Improving Software Development Productivity: Effective Leadership and Quantitative Methods in Software Management, Randall Jensen introduces his book, which will help you measure your organization's capacity and productivity, and then use that information to improve multiple facets of developer and team performance, and to build more accurate estimates and schedules.
Why Performance Engineering? Why Performance Engineers?
By André B. Bondi
Sep 1, 2014
This chapter from Foundations of Software and System Performance Engineering: Process, Performance Modeling, Requirements, Testing, Scalability, and Practice describes the importance of performance engineering in a software project and explains the role of a performance engineer in ensuring that the system has good performance upon delivery. Overviews of different aspects of performance engineering are given.
Why Do We Still Have Software Development Problems?
By Randall W. Jensen
Aug 29, 2014
Why do software problems raised at a 1968 NATO Conference on Software Engineering still persist in much of the software development industry today, some 40 years later? In this chapter from Improving Software Development Productivity: Effective Leadership and Quantitative Methods in Software Management, Randy Jensen takes a look at at the main issues that continue to plague software projects.
12 More Essential Skills for Software Architects: Technology Innovation
By Dave Hendricksen
Aug 25, 2014
This chapter from 12 More Essential Skills for Software Architects unveils one of the essential skills needed by a software architect: the ability to identify, assess, and infuse new and potentially disruptive technologies in a business-centric fashion.
Building a Game from Scratch, Part 1: Setting the Foundation
By Timothy L. Warner
Aug 25, 2014
This article is the first in a multi-part series from the author of Sams Teach Yourself Scratch 2.0 in 24 Hours in which we create an online game by using the Scratch 2.0 educational programming language.
How to Work with Variables, Data Types, and Arithmetic Expressions in the C Programming Language
By Stephen G. Kochan
Aug 21, 2014
C has a rich variety of math operators that you can use to manipulate your data. In this chapter from Programming in C, 4th Edition, Stephen G. Kochan covers the int, float, double, char, and _Bool data types, modifying data types with short, long, and long long, the rules for naming variables, basic math operators and arithmetic expressions, and type casting.
AngularJS Fundamental Concepts for Building Web Applications: Part 2
By Jesse Smith
Aug 19, 2014
In Part 2 of this series, programming expert Jesse Smith continues his discussion of AngularJS by exploring modules and services.
Managing Trust in Distributed Teams
By Pat Brans
Aug 19, 2014
With worldwide access available and relatively inexpensive via the Internet and modern technologies, many organizations are puzzling their way through learning how best to work with individuals and groups in multiple locations and time zones. Any kind of diversity in a team adds to the manager's complications, but building trust between individuals is the biggest problem of all. Pat Brans examines the unique trust issues involved in managing a distributed team.
Why We Need Another C++ Conference
By Jon Kalb
Aug 18, 2014
Jon Kalb, the conference coordinator for CPPCon, talks about how the conference came to be, and the value of meeting face to face in this age of easy digital connectivity.
Preface to The Art of Computer Programming, Volume 3: Sorting and Searching, 2nd Edition
By Donald E. Knuth
Aug 15, 2014
To mark the release of the official multi-format ebook of Donald Knuth's Art of Computer Programming, Volume 3: Sorting and Searching, 2nd Edition, we are pleased to make available the preface.
Introduction to Programming in C, Fourth Edition
By Stephen G. Kochan
Aug 14, 2014
Stephan G. Kochan provides some background about the C programming language and describes the contents and organization of the fourth edition of his book, Programming in C.
AngularJS Fundamental Concepts for Building Web Applications: Part 1
By Jesse Smith
Aug 12, 2014
In Part 1 of a two-part series, Jesse Smith gives you a solid introduction to AngularJS and how the framework is used to create simple web applications.
Preface to Foundations of Software and System Performance Engineering: Process, Performance Modeling, Requirements, Testing, Scalability, and Practice
By André B. Bondi
Aug 7, 2014
In this preface to Foundations of Software and System Performance Engineering: Process, Performance Modeling, Requirements, Testing, Scalability, and Practice, André B. Bondi talks about the scope and purpose of his book, which discusses the practice of the performance engineering of software systems and software-controlled systems.

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