Bøger af Charles Bell

Tagline: Building Schema-less Database Solutions

This book introduces the problems facing Internet of Things developers and explores current technologies and techniques to help you manage, mine, and make sense of the data being collected through the use of the world's most popular database on the Internet - MySQL. The IoT is poised to change how we interact with and perceive the world around us, and the possibilities are nearly boundless. As more and more connected devices generate data, we will need to solve the problem of how to collect, store, and make sense of IoT data by leveraging the power of database systems. The book begins with an introduction of the MySQL database system and storage of sensor data. Detailed instructions and examples are provided to show how to add database nodes to IoT solutions including how to leverage MySQL high availability, including examples of how to protect data from node outages using advanced features of MySQL. The book closes with a comparison of raw and transformed data showing how transformed data can improve understandability and help you cut through a clutter of superfluous data toward the goal of mining nuggets of useful knowledge. In this book, you'll learn to:Understand the crisis of vast volumes of data from connected devicesTransform data to improve reporting and reduce storage volumeStore and aggregate your IoT data across multiple database serversBuild localized, low-cost MySQL database servers using small and inexpensive computersConnect Arduino boards and other devices directly to MySQL database serversBuild high availability MySQL solutions among low-power computing devices

Maintaining and Troubleshooting Your 3D Printer by Charles Bell is your guide to keeping your 3D printer running through preventive maintenance, repair, and diagnosing and solving problems in 3D printing.

"Learn how to make arduino and Raspberry Pi-based sensor networks."--Cover.

Server bottlenecks and failures are a fact of life in any database deployment, but they dont have to bring everything to a halt. This practical book explains replication, cluster, and monitoring features that can help protect your MySQL system from outages, whether its running on hardware, virtual machines, or in the cloud.Written by engineers who designed many of the tools covered, this book reveals undocumented or hard-to-find aspects of MySQL reliability and high availabilityknowledge thats essential for any organization using this database system. This second edition describes extensive changes to MySQL tools. Versions up to 5.5 are covered, along with several 5.6 features.Learn replication fundamentals, including use of the binary log and MySQL Replicant LibraryHandle failing components through redundancyScale out to manage read-load increases, and use data sharding to handle large databases and write-load increasesStore and replicate data on individual nodes with MySQL ClusterMonitor database activity and performance, and major operating system parametersKeep track of masters and slaves, and deal with failures and restarts, corruption, and other incidentsExamine tools including MySQL Enterprise Monitor, MySQL Utilities, and GTIDs

This 1833 study of the hand by Sir Charles Bell, a leading professor of surgery and anatomy, is one of the Bridgewater Treatises, which arose from the preoccupation of nineteenth-century Christians with interpreting God's creation in the light of contemporary scientific developments. Bell's treatise suggests that by looking in close detail at small subjects, God's role in creation can be clearly seen, whereas more general studies of the universe and the great natural cycles of astronomy and geology can obscure the intelligence behind their specific features. Bell stresses the importance of the hand in human history, the progress of society and the development of technology and design. He considers aspects of the mechanical systems of other animals, and sees their structure as a product of their function. This comparison serves to link humans with other creatures, but also defines their superiority through the sublimity of design.