Pro SQL Server Wait StatisticsPro SQL Server Wait Statistics is a practical guide for analyzing and troubleshooting SQL Server performance using wait statistics. Whether you are new to wait statistics, or already familiar with them, this book will help you gain a deeper understanding of how wait statistics are generated and what they can mean for your SQL Server's performance.
Besides the most common wait types, Pro SQL Server Wait Statistics goes further into the more complex and performance threatening wait types. The different wait types are categorized by their area of impact, and include CPU, IO, Lock, and many more different wait type categories. Filled with clear examples, Pro SQL Server Wait Statistics helps you gain practical knowledge of why and how specific wait times increase or decrease, and how they impact your SQL Server's performance. ...
Professional PythonProfessional Python goes beyond the basics to teach beginner- and intermediate-level Python programmers the little-known tools and constructs that build concise, maintainable code. Design better architecture and write easy-to-understand code using highly adoptable techniques that result in more robust and efficient applications. Coverage includes Decorators, Context Managers, Magic Methods, Class Factories, Metaclasses, Regular Expressions, and more, including advanced methods for unit testing using asyncio and CLI tools. Each topic includes an explanation of the concept and a discussion on applications, followed by hands-on tutorials based on real-world scenarios. The "Python 3 first" approach covers multiple current versions, while ensuring long-term relevance.
Python offers many tools and techniques for writing better code, but often confusing documentation leaves many programmers in the dark about how to use them. This book shines a light on these incredibly useful met ...
Program the Internet of Things with Swift for iOSProgram the Internet of Things with Swift and iOS is a detailed tutorial that will teach you how to build apps using Apple's native APIs for the Internet of Things, including the Apple Watch, HomeKit, and Apple Pay. This is the second book by Ahmed Bakir (author of Beginning iOS Media App Development) and his team at devAtelier LLC, who have been involved in developing over 20 mobile projects.
Written like a code review, this book presents a detailed "how" and "why" for each topic, explaining Apple-specific design patterns as they come up and pulling lessons from other popular apps. To help you getting up and running quickly, each chapter is framed within a working project, allowing you to use the sample code directly in your apps.
The Internet of Things is not limited to Apple devices alone, so this book also explains how to interface with popular third-party hardware devices, such as the Fitbit and Raspberry Pi, and generic interfaces, like Restful API's and ...
Programmable Logic ControllersWidely used across industrial and manufacturing automation, Programmable Logic Controllers (PLCs) perform a broad range of electromechanical tasks with multiple input and output arrangements, designed specifically to cope in severe environmental conditions such as automotive and chemical plants.
Programmable Logic Controllers: A Practical Approach using CoDeSys is a hands-on guide to rapidly gain proficiency in the development and operation of PLCs based on the IEC 61131-3 standard. Using the freely-available* software tool CoDeSys, which is widely used in industrial design automation projects, the author takes a highly practical approach to PLC design using real-world examples. The design tool, CoDeSys, also features a built in simulator / soft PLC enabling the reader to undertake exercises and test the examples. ...
Programming Google Glass, 2nd editionThis is your all-inclusive guidebook for programming Glassware. You'll learn the nuances of the Mirror API and the recently released GDK as you build example applications: a restaurant finder, blogging app, Glass stats monitor, party animator, QR code reader, video game, and more.
You'll jump right in with a fun application that leverages the power of the Mirror API web service, Google's server-side interface for creating Glassware. You'll deploy and support users with OAuth, managing their timelines with cards and menu items. You'll create callable services for geolocation tracking, change notifications, and custom menu options. You'll also learn some optical-display design basics.
In Part 2, new in this edition, you'll learn how to program a more immersive experience using the GDK, Google's extension to Android for Glass. You'll populate the Glass timeline with static and live cards, where you can richly interact with the Glass hardware. You'll create an animation application ( ...
Raspberry Pi Home Automation with Arduino, 2nd EditionRevolutionize the way you interact with your home and become part of the rapidly growing group of hobbyists and enthusiasts by combining the powerful Raspberry Pi with an Arduino board.
Starting with an introduction to the Raspberry Pi and Arduino boards you will set up your very own home automation system through a series of exciting projects, making your life a lot easier.
Build a thermostat, a Raspberry Pi control device, a parcel delivery detector, and a water and damp detector, and then move on to more complex projects including a motor mechanism to control your curtains.
By the end of this practical guide, you will be a confident user who can program, set up, and run a wide range of applications using both the Raspberry Pi and the Arduino. ...
Raspberry Pi LED BlueprintsBlinking LED is a popular application when getting started in embedded development. By customizing and utilising LED-based modules into the Raspberry Pi board, exciting projects can be obtained. A countdown timer, a digital clock, a traffic light controller, and a remote light controller are a list of LED-based inspired project samples for Raspberry Pi.
An LED is a simple actuator device that displays lighting and can be controlled easily from a Raspberry Pi. This book will provide you with the ability to control LEDs from Raspberry Pi, starting from describing an idea through designing and implementing several projects based on LEDs, such as, 7-segments, 4-digits 7 segment, and dot matrix displays.
Beginning with step-by-step instructions on installation and configuration, this book can either be read from cover to cover or treated as an essential reference companion to your Raspberry Pi. Samples for the project application are provided such as a countdown timer, a digital clock ...
Real-World HadoopIf you're a business team leader, CIO, business analyst, or developer interested in how Apache Hadoop and Apache HBase-related technologies can address problems involving large-scale data in cost-effective ways, this book is for you. Using real-world stories and situations, authors Ted Dunning and Ellen Friedman show Hadoop newcomers and seasoned users alike how NoSQL databases and Hadoop can solve a variety of business and research issues.
You'll learn about early decisions and pre-planning that can make the process easier and more productive. If you're already using these technologies, you'll discover ways to gain the full range of benefits possible with Hadoop. While you don't need a deep technical background to get started, this book does provide expert guidance to help managers, architects, and practitioners succeed with their Hadoop projects. ...
Robot Building for Beginners, 3rd EditionRobot Building for Beginners, 3rd Edition provides basic, practical knowledge on getting started in amateur robotics. There is a mix of content: from serious reference tables and descriptions to personal stories and humorous bits.
The robot described and built in this book is battery powered and about the size of a lunch box. It is autonomous; that is, it isn't remote controlled.
The book is broken up into small chapters, suitable for bedtime (or bathroom) reading.
The characteristics and purposes of each major component (resistor, transistor, wire, and motor) are described, followed by a hands-on experiment to demonstrate. Not only does this help the reader to understand a particular piece, but it also prepares them with processes to learn new parts on their own. An appendix offers an introduction to 3D printing and parts of the robot can, as an alternative, be "printed" using a 3D printer. ...
SAS Programming and Data Visualization TechniquesSAS Programming and Data Visualization Techniques: A Power User's Guide brings together a wealth of ideas about strategic and tactical solutions to everyday situations experienced when transferring, extracting, processing, analyzing, and reporting the valuable data you have at your fingertips. Best, you can achieve most of the solutions using the SAS components you already license, meaning that this book's insights can keep you from throwing money at problems needlessly.
Author Philip R. Holland advises a broad range of clients throughout Europe and the United States as an independent consultant and founder of Holland Numerics Ltd, a SAS technical consultancy. In this book he explains techniques - through code samples and example - that will enable you to increase your knowledge of all aspects of SAS programming, improve your coding productivity, and interface SAS with other programs. ...