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Olivia has just about had it with the popular kids at school. She and her friends have done nothing to deserve evil pranks and awful name-calling, but that doesn't stop queen bee Brynne from humiliating them on a daily basis. If only Olivia's classmates were more like the adorable dogs she helps her grandmother train-poorly behaved, but improvable. Wait . . . what if her tormentors' behavior actually could be modified using the same type of training that works on dogs? Olivia and her friends are desperate enough to give it a try. But is it really possible that the underdogs of Hubert C. Frost Middle School could make it to head of the pack?
After 350 years as a Fetch, or death escort, Calder breaks his vows and enters the body of Rasputin, whose spirit causes rebellion in the Land of Lost Souls while Calder struggles to convey Ana and Alexis, orphaned in the Russian Revolution, to Heaven.
Experience the simple joy of a dog’s day at the beach in this vibrant picture book from the acclaimed author-illustrator of Nest, which the New York Times Book Review said was “certain to please aesthetically minded children and adults” and that Shelf Awareness called “a quiet masterpiece.” As with her debut picture book, Nest, “Hurley lets her bright, clean illustrations do her storytelling, limiting the text on each page to a single, evocative word” (Publishers Weekly) in this delightful depiction of a dog’s day at the beach and the joy a simple ball can bring. With minimal prose and illustrations that echo the patterns of nature, Fetch is a story of the thrill of adventure and the joy of returning home.
“The Time Fetch is a remarkable testament to the power of true friendship and a thrilling fantasy adventure about the unseen world all around us.” --R. J. Palacio, #1 New York Times bestselling author ofWonder Edward picks up what he thinks is a rock. He doesn’t know it is a sleeping Time Fetch--and touching it will release its foragers too soon and alter the entire fabric of time and space. Soon the bell rings to end class just as it has begun. Buses race down streets, too far behind schedule to stop for passengers. Buildings and sidewalks begin to disappear as the whole fabric of the universe starts to unravel. To try to stop the foragers, Edward must depend on the help of his classmates Feenix, Danton, and Brigit--whether he likes it or not. They all have touched the Fetch, and it has drawn them together in a strange and thrilling adventure. The boundaries between worlds and dimensions are blurred, and places and creatures on the other side are much like the ones they’ve always known--but slightly twisted, a little darker, and much more dangerous.
The United Nations World Water Assessment Programme (WWAP) is hosted and led by UNESCO. WWAP brings together the work of 31 UN-Water Members as well as 38 Partners to publish The United Nations World Water Development Report (WWDR) series. The annual World Water Development Reports focus on strategic water issues. UN-Water Members and Partners - all experts in their fields - contribute with latest findings on a specific theme. This edition of the World Water Development Report focuses on Water and Jobs and seeks to inform decision-makers, inside and outside the water community, about the importance of the water and jobs nexus for the social and economic development and environmental sustainability of countries, rich and poor. The importance of water for jobs across economies is such that this report could be subtitled No water - No jobs. Indeed, a great majority of jobs are dependent upon water, and therefore increasingly at risk under conditions of water scarcity. T
Household water provides the entry point for this ethnography and study of institutional change. The book discusses the political economy of poverty and presents the polyphone discourse on water and the environment. It outlines water history and water rights from the 1970s onwards, and analyzes social dynamics. It offers a critical voice in the debate on climate change by arguing that local and global perceptions are not necessarily coherent.
The emerging trends in computing have increasingly had a network-centric focus. Networked services offered through cloud computing paradigms have replaced applications that would traditionally run on local machines. In addition, the growing usage of applications such as social networking and platforms such as smartphones has resulted in greater need for ubiquitous network access. The consequent heightened demand for networked computing warrants efficient utilization of the limited network resources and more intelligent resource control algorithms, with a focus on providing an enhanced user experience. This thesis examines quality-of-service aware resource control for both wireless and wired networks. The first part of the thesis focuses on smartphones, which have become the de-facto mobile computing platform. A smartphone typically has access to multiple types of wireless networks, such as cellular networks and WiFi. Moreover, the functionality of smartphones can be expanded by installing applications. These two core characteristics of smartphones also reveal their most significant limitations: lower available bandwidth and limited computing power. Both of these limitations are addressed in this thesis. Available bandwidth on wireless networks fluctuates over time and is also shared among all users connecting to the same base station. In this work we present a dynamic bandwidth prediction model that makes short term predictions on the evolution of bandwidth. The model is dynamic and adjusts to the latest measurements provided by Zeus, a bandwidth measurement tool we designed and implemented on Nokia phones. The bandwidth predictions of our model are utilized in a novel rate control scheme, which we demonstrate to offer better performance than existing schemes. We next investigate the computing limitations of smartphones. A novel framework is considered, where computational tasks may be transferred to a central server and the results are fetched back at a later time. The central server has ample computing resources compared to the smartphones and the computing speedup outweighs the communication delays. The goal is to minimize the latency experienced by computational tasks, while judiciously utilizing the scarce memory resources available at the smartphone. Given the fluctuating nature of wireless bandwidth, there is a tradeoff between limited connectivity and congestion at the mobile. The second part of this thesis investigates resource control issues in wireline computing and more specifically in packet switches. Packet switches are essential parts of the Internet backbone and are also present in every data center. Modern data centers are severely constrained by their power consumption and power saving schemes would enable their further expansion. We propose novel power-aware scheduling algorithms for switches that offer significant power savings while sacrificing minimal performance. Finally, we examine a novel, scalable two-stage ingress memory switch architecture and we add backlog awareness to the scheduling algorithm to improve performance and fairness as perceived by the user.
Pro JPA 2, Second Edition introduces, explains, and demonstrates how to use the new Java Persistence API (JPA) 2.1 from the perspective of one of the specification creators. A one-of-a-kind resource, it provides both theoretical and extremely practical coverage of JPA usage for both beginning and advanced developers. Authors Mike Keith and Merrick Schincariol take a hands–on approach, based on their wealth of experience and expertise, by giving examples to illustrate each concept of the API and showing how it is used in practice. The examples use a common model from an overriding sample application, giving readers a context from which to start and helping them to understand the examples within an already familiar domain. After completing the book, you will have a full understanding of JPA and be able to successfully code applications using its annotations and APIs. The book also serves as an excellent reference guide during initial and later JPA application experiences. Hands-on examples for all aspects of the JPA specification Expert insight about various aspects of the API and when they are useful Portability hints to provide increased awareness of the potential for non–portable JPA code What you’ll learn How to get started with enterprise applications using JPA 2.1 Simple and advanced object–relational mapping techiques How to use the complete Entity Manager API How to create queries using the query language (JP QL) and the Criteria API Locking, concurrency, and other advanced concepts How to use XML mapping files and descriptors How to package and deploy your Java Persistence applications How to test your Java Persistence applications Who this book is for The book generally targets enterprise and persistence developers who fall in one of three categories: Those who are new to persistence; we will offer an introduction to persistence and to the basic concepts so these readers can have solid base from which to become proficient at JPA. Those who know and/or use existing ORM persistence products such as Hibernate or TopLink/EclipseLink. Those who have already used JPA and want to learn about newer features introduced by JPA 2.1, or have a good reference book to consult when they develop JPA applications. In general, we assume that the reader is knowledgeable with Java, SQL, and JDBC, and has a little knowledge of Java EE. Table of Contents Introduction Getting Started Enterprise Applications Object Relational Mapping Collection Mapping Entity Manager Using Queries Java Persistence Query Language Criteria Advanced Object Relational Mapping Advanced Queries Advanced Topics XML Mapping Files Packaging and Deployment Testing