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Zum Einfluss von Computeralgebrasystemen auf mathematische Grundfertigkeiten: Eine empirische Bestandsaufnahme (Essener Beiträge zur Mathematikdidaktik)

by Robert Neumann

Mit einer empirischen Studie untersucht Robert Neumann, ob sich Leistungsunterschiede von Studienanfängern im Bereich mathematischer Grundfertigkeiten auf den in der Schule verwendeten Taschenrechnertyp zurückführen lassen. Auf der Basis von Leistungstests mit über 450 Studierenden liefert der Autor einen empirisch gestützten Beitrag zu den Langzeitauswirkungen verschiedener Computeralgebrasysteme, die im Mathematikunterricht verwendet wurden. Dabei kann der Autor im Bereich der Interpretation von Funktionsgraphen signifikante Unterschiede feststellen. Seine Ergebnisse weisen darauf hin, dass es eine Gruppe von Schülern und Schülerinnen gibt, die bisher nicht im erhofften Maße von Rechnertechnologien profitieren. ​

Zum Einfluss digitaler Werkzeuge auf die Konstruktion mathematischen Wissens (Studien zur theoretischen und empirischen Forschung in der Mathematikdidaktik)

by Michael Rieß

Michael Rieß untersucht die qualitativen Unterschiede in der Konstruktion mathematischen Wissens nach einem Unterricht mit digitalen Werkzeugen. Dazu erarbeitet er zunächst auf der Basis allgemeiner Lerntheorien ein Wirkungsmodell für den Einfluss der im Mathematikunterricht verwendeten Werkzeuge auf individuelle mathematische Konzepte. Das Modell bildet die Grundlage für das Design der empirischen Studie, deren Ergebnisse im Kontext der entwickelten Theorie Einblicke in die mögliche Beantwortung der Fragestellung liefern. Der Autor identifiziert unterschiedliche Denkweisen, Lösungsstrategien und Verwendungen mathematischer Darstellungen und zeigt, dass insbesondere die beobachteten Differenzen Charakteristika aufweisen, die über die Verwendung unterschiedlicher Handlungsschemata hinausgehen. Dies stützt die Annahme, dass der Umgang mit verschiedenen Werkzeugen zu fundamentalen Änderungen individueller mathematischer Konzepte führen kann.

ZK Developer's Guide: Developing Responsive User Interfaces For Web Applications Using Ajax, Xul, And The Open-source Zk Rich Web Client Development Framework

by Jurgen Schumacher Markus Stauble

ZK is an open-source web development framework that enables web applications to have the rich user experiences and low development costs that desktop applications have had for years. ZK includes an Ajax-based event-driven engine, rich sets of XML User Interface Language (XUL) and XHTML components, and a markup language. The ZK rich client framework takes the so-called server-centric approach: the content synchronization of components and the event pipelining between clients and servers are automatically done by the engine and Ajax plumbing codes are completely transparent to web application developers. Therefore, the end users get rich user interfaces with similar engaged interactivity and responsiveness to that of desktop applications, while for programmers, development remains similar in simplicity to that of desktop applications. This book is a Developer's Guide that steps you through the ZK framework with examples. It starts with installing and configuring ZK and takes you on to integrate it with other frameworks. By the time you are through the book you will be able to build an application on your own.

Zip Drive and Disk (UEB uncontracted)

by Rnib

This page shows images of a Zip disk and a Zip drive. They are separated by a thin vertical line. There is a locator dot shown, which will be at the top left of the page when the image is the right way up. On the left is a top view of a Zip disk and to the right is a drive viewed from the top. Zip disk: This top view of a disk shows a cover at the top of the image. It slides to the left to give access to the magnetic disk inside the casing. There is a label at the bottom for listing the contents of the disk. Zip drive: On the right of the page is an image of the drive seen from the top. At the top of the image is the casing of the drive. Down the page is a clear window with part of a disk visible through it. At the bottom of the page is the remaining portion of the disk with an arrow to the left of it to show the disk being inserted. To the right of the disk are two indicator lights and an eject button. On the right hand edge of the image, at the top and bottom, are two rubber feet to stand the drive on.

Zip Drive and Disk (UEB contracted)

by Rnib

This page shows images of a Zip disk and a Zip drive. They are separated by a thin vertical line. There is a locator dot shown, which will be at the top left of the page when the image is the right way up. On the left is a top view of a Zip disk and to the right is a drive viewed from the top. Zip disk: This top view of a disk shows a cover at the top of the image. It slides to the left to give access to the magnetic disk inside the casing. There is a label at the bottom for listing the contents of the disk. Zip drive: On the right of the page is an image of the drive seen from the top. At the top of the image is the casing of the drive. Down the page is a clear window with part of a disk visible through it. At the bottom of the page is the remaining portion of the disk with an arrow to the left of it to show the disk being inserted. To the right of the disk are two indicator lights and an eject button. On the right hand edge of the image, at the top and bottom, are two rubber feet to stand the drive on.

Zip Drive and Disk (large print)

by Rnib

This page shows images of a Zip disk and a Zip drive. They are separated by a thin vertical line. There is a locator dot shown, which will be at the top left of the page when the image is the right way up. On the left is a top view of a Zip disk and to the right is a drive viewed from the top. Zip disk: This top view of a disk shows a cover at the top of the image. It slides to the left to give access to the magnetic disk inside the casing. There is a label at the bottom for listing the contents of the disk. Zip drive: On the right of the page is an image of the drive seen from the top. At the top of the image is the casing of the drive. Down the page is a clear window with part of a disk visible through it. At the bottom of the page is the remaining portion of the disk with an arrow to the left of it to show the disk being inserted. To the right of the disk are two indicator lights and an eject button. On the right hand edge of the image, at the top and bottom, are two rubber feet to stand the drive on.

Zimbra: Implement, Administer And Manage; Get Your Organization Up And Running With Zimbra, Fast

by Joshue O Connor

This book is a fast and easy read, taking the reader from the inception of an idea, to a fully working cash-generating website built on Joomla! This book is suitable for business people with a medium level of technical skill who need a good primer on how to implement a cash-generating website. Those unfamiliar with Joomla! Would benefit from reading Building Websites with Joomla! 1.5 Beta 1.

ZeroMQ

by Faruk Akgul

A practical, step-by-step example-rich tutorial. If you are a C developer who wants to learn about ZeroMQ, this book is for you. It is assumed that the reader has C experience at some level but prior ZeroMQ knowledge is not expected.

Zero Outage: Putting ICT Quality First in the Digital Era (Management for Professionals)

by Ferri Abolhassan Stephan Kasulke Jasmin Bensch

This reference book shows how the Zero Outage method leads to more stability in operations, more reliability in projects and, ultimately, to greater customer satisfaction. It explains why clear standards for platforms, processes and personnel are essential for ensuring high ICT quality from end to end and what to look out for during changes – the most common cause of IT outages. Readers also learn how to resolve errors as quickly as possible and permanently eliminate them, and why industry-wide collaboration will only be possible with a shared standard of quality. This book is a practical introduction to making your ICT world even more failsafe and efficient. The authors share key knowledge in quality management and offer an exclusive insight into their extensively tested and continually enhanced formula for success: the Zero Outage approach.

Zero Outage: Kompromisslose Qualität in der IT im Zeitalter der Digitalisierung

by Ferri Abolhassan Stephan Kasulke Jasmin Bensch

Das Fachbuch zeigt, wie die Zero-Outage-Methode zu mehr Stabilität im Betrieb, mehr Zuverlässigkeit in Projekten und letztlich zu einer größeren Kundenzufriedenheit führt. Es verdeutlicht, weshalb klare Standards bei Plattformen, Prozessen und Personal unverzichtbar sind, um eine hohe ICT-Qualität von Ende zu Ende sicherzustellen und worauf es bei Changes – den häufigsten Ursachen für IT-Ausfälle – ankommt. Zudem erfahren die Leser, wie man Störungen schnellstmöglich behebt und dauerhaft abstellt und warum die Zusammenarbeit von ICT-Anbietern künftig nur mit einem gemeinsamen Qualitätsstandard gelingen kann. So dient dieses Buch als praxisnahe Anleitung, die eigene ICT-Welt noch ausfallsicherer und leistungsfähiger zu machen. Dazu teilen die Autoren ihre wichtigsten Erkenntnisse im Qualitätsmanagement und geben einen exklusiven Einblick in ihr – über viele Jahre erprobtes und kontinuierlich weiterentwickeltes – Erfolgsrezept: den Zero-Outage-Ansatz.

Zenoss Core Network and System Monitoring: Michael Badger

by Michael Badger

The book starts by covering installation and configuration, before moving onto administration and dashboard usage.The book contains step-by-step instructions for setting up and using a working, capable Zenoss system. From small business to a large enterprise, this books helps organizations collect data, monitor, and report on their IT assets. Zenoss Core offers a feature-rich, accessible solution to organizations that lack the financial resources to purchase a proprietary monitoring solution or the technical resources. This book makes no distinction about your existing systems management knowledge or lack; thereof and assumes everyone is new to Zenoss Core. The emphasis is on configuring and administering a monitoring environment from the comforts of a graphical web interface.

Zenoss Core 3.x Network and System Monitoring

by Michael Badger

The book starts by covering installation and configuration, before moving on to administration and dashboard usage. It contains step-by-step instructions for setting up and using a working, capable Zenoss system. This book is written primarily for network and systems administrators who are monitoring their IT assets with Zenoss Core or who plan to monitor them. In reality, this book will benefit anyone, regardless of job title, who recognizes the importance of proactively monitoring the servers, routers, computers, websites, and devices that connect companies to customers.

Zend Framework 2 Cookbook

by Josephus Callaars

This book is written in a practical, cookbook style with numerous examples and recipes. This style allows you to go both directly to your topic of interest or follow topics throughout a chapter to gain an in-depth knowledge of certain areas.'Zend Framework 2 Cookbook" is for PHP developers who are fairly advanced in programming in PHP. It will also be useful for developers who have a keen interest in expanding their knowledge outside the boundaries of simply scripting pages together. As unit testing and MVC will be discussed, it is beneficial for the reader to know what these technologies are, although experience with developing applications is not necessarily essential.

Zend Framework 2 Application Development

by Christopher Valles

The book is really pragmatic, focusing on the key aspects you usually need to create an application. We skip the boring theory and jump straight to the action. Also, the examples don't try to be perfect, they just show the topic in question or the tool/components we are using. Here the focus is on the framework itself not on how to architect applications. The book will spend a lot of time reviewing the examples and each chapter is created around the example used to explain the topics so the example is first, then the explanation.This book is great for you if you are new to Zend Framework 2 and are looking to get a practical approach in how to use the framework. This book will be also really helpful if you are a Zend Framework 1 user but you want to adapt you knowledge to the new version of the framework. It's assumed that you will have good experience using PHP and specially with the Object Oriented programming paradigm.

Zend Framework 2.0 by Example: Beginner's Guide

by Krishna Shasankar V

Zend Framework 2.0 by Example: Beginner's Guide is a step-by-step guide that aims to empower you to build web applications packed with some really exciting features using Zend Framework 2.0.If you are a PHP Developer who is new to Zend Framework, but you want to get hands-on with the product quickly, this book is for you. Basic knowledge of object oriented programming with PHP is expected.

Zend Framework 1.8 Web Application Development: Design, Develop, And Deploy Feature-rich Php Web Applications With This Mvc Framework

by Keith Pope

This book is an example-driven tutorial that takes you through the process of building Model-View-Controller-based web applications. You will create and develop a storefront application. It also covers common mistakes and best practices that will be helpful for developers. This book is for PHP web developers who want to get started with Zend Framework. If you are already using this framework, you will learn how to use it in the best way and produce better applications. Basic knowledge of Object Oriented design will be helpful.

Zen Cart: E-commerce Application Development : A Step-by-step Developer's Guide

by Suhreed Sarkar

This is a highly practical book that can act as a reference material to which you will want to return again and again. The discussion in the book is right up-to-the point and it is filled with ample practical examples. This book is primarily for professional developers interested in building, enhancing, or extending Zen Cart sites for customers. It is also a useful reference for those who have got Zen Cart running on their own store, and want to improve it. It will also benefit those who want to migrate from osCommerce or other engines to Zen Cart.

Zeichen und Grafik: Logo - Infografik - 2D-/3D-Grafik (Bibliothek der Mediengestaltung)

by Peter Bühler Patrick Schlaich Dominik Sinner

Dieser Band der „Bibliothek der Mediengestaltung“ behandelt die Gestaltung von Zeichen wie Piktogramme, Icons und Logos sowie von Infografiken. Außerdem thematisiert der Band die Erstellung von 2D- und 3D-Grafiken. Für diese Bibliothek wurden die Themen des Kompendiums der Mediengestaltung neu strukturiert, vollständig überarbeitet und in ein handliches Format gebracht. Leitlinien waren hierbei die Anpassung an die Entwicklungen in der Werbe- und Medienbranche sowie die Berücksichtigung der aktuellen Rahmenpläne und Studienordnungen sowie Prüfungsanforderungen der Ausbildungs- und Studiengänge.Die Bände der „Bibliothek der Mediengestaltung“ enthalten zahlreiche praxisorientierte Aufgaben mit Musterlösungen und eignen sich als Lehr- und Arbeitsbücher an Schulen sowie Hochschulen und zum Selbststudium.

ZBrush 4 Sculpting for Games Beginner's Guide: Beginner's Guide

by Manuel Scherer

In DetailZBrush is a fantastic tool for creating models for use in computer games. Using a wide range of powerful tools you can create models for vehicles, props, environments, and characters.This book makes creating game art in ZBrush fast and easy. It covers everything you need to create models of all kinds for your game projects, even if you've never used ZBrush before.Built around four complete ZBrush projects, the book gives you everything you need to sculpt props, vehicles, and creatures in ZBrush. You'll start by creating a "spooky tree" model, mastering the sculpting, texturing, and decoration skills that are essential for all ZBrush topics. Next you'll move to man-made objects with a sci-fi drone. Next you'll see how to sculpt monsters and other creatures, deal with cloth and other soft materials, and prepare the model to become an animated, controllable character in a game. The final project returns to machines, building a complete, detailed spaceship for use in your sci-fi games.The only book to teach you everything about the best diagramming software for the MacintoshApproachThis guidebook is built around four complex example projects with clear step-by-step instructions followed by useful explanation, advice, and handy reference material. It is richly illustrated with a friendly, informal writing style. If you want to get started fast using ZBrush for games then this is the book for you.Who this book is forThis book is for all digital artists or game developers who want to create their own 3D sculptures in ZBrush. No experience with ZBrush is required - it's suitable for complete beginners and intermediate users.

Zabbix Performance Tuning

by Luciano Alves

This book is aimed at Zabbix administrators who want to learn how to improve the performance of the Zabbix system. Basic knowledge of Zabbix's components and features is assumed.

Zabbix Network Monitoring - Second Edition

by Rihards Olups

Gather detailed statistics and data while monitoring the performance and availability of network devices and applications using the all-new Zabbix 3.0About This BookMonitor your network and deploy impressive business solutions with Zabbix 3.0Manage hosts and system maintenance to keep your network performing for the people who use itA step-by-step guide to smarter network monitoringWho This Book Is ForIf you're new to Zabbix look no further than this book. It will show you how to put your sysadmin knowledge to work with Zabbix 3.0 so you can experience the full impact of this useful and increasingly popular tool.What You Will LearnGet to grips with the fundamentals of ZabbixFind out how Zabbix's features let you monitor your network with confidence and precisionLearn how to monitor SNMP devicesManage hosts, users, and permissions while acting upon monitored conditionsVisualize data with the help of ad-hoc graphs, custom graphs, maps, and reportsSimplify complex configurations and learn to automate themMonitor everything from web pages to IPMI devices and Java applications to and VMware statsTroubleshoot any network issue - fastIn DetailThis book is a perfect starting point for monitoring with Zabbix. Even if you have never used a monitoring solution before, this book will get you up and running quickly, before guiding you into more sophisticated operations with ease. You'll soon feel in complete control of your network, ready to meet any challenges you might face.Beginning with installation, you'll learn the basics of data collection before diving deeper to get to grips with native Zabbix agents and SNMP devices. You will also explore Zabbix's integrated functionality for monitoring Java application servers and VMware.Beyond this, Zabbix Network Monitoring also covers notifications, permission management, system maintenance, and troubleshooting - so you can be confident that every potential challenge and task is under your control. If you're working with larger environments, you'll also be able to find out more about distributed data collection using Zabbix proxies.Once you're confident and ready to put these concepts into practice, you'll find out how to optimize and improve performance. Troubleshooting network issues is vital for anyone working with Zabbix, so the book is also on hand to help you work through any technical snags and glitches you might face. Network monitoring doesn't have to be a chore - learn the tricks of the Zabbix trade and make sure you're network is performing for everyone who depends upon it.Style and approachThis book is a detailed and practical guide that starts from the fundamentals of Zabbix and takes you all the way to building a network monitoring solution that is capable of gathering data from range of different systems. With tips on low-level details that will boost any Zabbix users confidence and fluency, it's an unmissable resource for anyone interested in what's possible with Zabbix.

Zabbix Network Monitoring Essentials

by Andrea Dalle Vacche Stefano Kewan Lee

If you are an experienced network administrator looking for a comprehensive monitoring solution that will keep a watchful eye on networks, then this book is for you.

Zabbix Cookbook

by Patrik Uytterhoeven

If you have some experience with Zabbix and wish to take your infrastructure to the next level, then this book is for you. Before you start with Zabbix, or monitoring in general, it is best to have some basic Linux knowledge and a good understanding of snmp, virtualization, and scripting.

Zabbix 1.8 Network Monitoring: Monitor Your Network's Hardware, Servers, And Web Performance Effectively And Efficiently

by Rihards Olups

This is a hand-on step-by-step book in a tutorial style. All configuration steps that are required to reach goals are explained in detail that should leave no reader stuck. Exact commands are provided for setting up and testing the configuration and screenshots of the user interface allow you to be sure that you are using the correct interface section. The author's experience with Zabbix enables him to share insights on using Zabbix effectively, in a clear and friendly way. This book assumes no experience with Zabbix and minimal experience with Linux. Knowledge provided by this book, will be useful if: you are responsible for managing in-house IT infrastructure such as network hardware, servers, and web pages, you are responsible for managing non-IT infrastructure that provides data such as temperature, flow, and other readings, you have clients with strict accessibility requirements and want to monitor hardware that provides services to them, you are a system administrator who wants to monitor the network hardware, servers, and web performance

YUI 2.8 Learning the Library: Develop Your Next-generation Web Applications With The Yui Javascript Development Library

by Dan Wellman Daniel Barreiro

In DetailThe YUI Library is a set of utilities and controls written in JavaScript for building Rich Internet Applications, across all major browsers and independently of any server technology. There's a lot of functionality baked into YUI, but getting to and understanding that functionality is not for the faint of heart. This book gives you a clear picture of YUI through a step-by-step approach, packed with lots of examples.YUI 2.8: Learning the Library covers all released (non-beta) components of the YUI 2.8 Library in detail with plenty of working examples, looking at the classes that make up each component and the properties and methods that can be used. It includes a series of practical examples to reinforce how each component should/can be used, showing its use to create complex, fully featured, cross-browser, Web 2.0 user interfaces. It has been updated from its first edition with the addition of several chapters covering several new controls and enriched with lots of experience of using them.You will learn to create a number of powerful JavaScript controls that can be used straightaway in your own applications. Besides giving you a deep understanding of the YUI library, this book will expand your knowledge of object-oriented JavaScript programming, as well as strengthen your understanding of the DOM and CSS. The final chapter describes many of the tools available to assist you the developer in debugging, maintaining, and ensuring the best quality in your code. In this new edition, all the examples have been updated to use the most recent coding practices and style and new ones added to cover newer components. Since the basic documentation for the library is available online, the focus is on providing insight and experience.The authors take the reader from beginner to advanced-level YUI usage and understanding.The beginner to advanced-level guide for understanding the YUI libraryApproachThe book is a tutorial, leading the reader first through the basics of the YUI library before moving on to more complex examples involving the YUI controls and utilities. The book is heavily example driven, and based around an approach of tinkering and extending to improve.Who this book is forThis book is for web developers comfortable with JavaScript and CSS, who want to use the YUI library to easily put together rich, responsive web interfaces. No knowledge of the YUI library is presumed.

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