VMware Performance and Capacity Management. Click here to enter text. - Second Edition

Iwan 'e1' Rahabok

Performance management and capacity management are the two top-most issues faced by enterprise IT when doing virtualization. Until the first edition of the book, there was no in-depth coverage on the topic to tackle the issues systematically. The second edition expands the first edition, with added information and reorganizing the book into three logical parts.The first part provides the technical foundation of SDDC Management. It explains the difference between a software-defined data center and a classic physical data center, and how it impacts both architecture and operations. From this strategic view, it zooms into the most common challenges—performance management and capacity management. It introduces a new concept called Performance SLA and also a new way of doing capacity management. The next part provides the actual solution that you can implement in your environment. It puts the theories together and provides real-life examples created together with customers. It provides the reasons behind each dashboard, so that you get the understanding on why it is required and what problem it solves.The last part acts as a reference section. It provides a complete reference to vSphere and vRealize Operations counters, explaining their dependencies and providing practical guidance on the values you should expect in a healthy environment.

Supercharging Node.js Applications with Sequelize. Create high-quality Node.js apps effortlessly while interacting with your SQL database

Daniel Durante, Sascha Depold

Continuous changes in business requirements can make it difficult for programmers to organize business logic into database models, which turns out to be an expensive operation as changes to the database may result in errors and incongruity within applications. Supercharging Node.js Applications with Sequelize helps you get to grips with Sequelize, a reliable ORM that enables you to alleviate these issues in your database and applications.With Sequelize, you'll no longer need to store information in flat files or memory. This book takes a hands-on approach to implementation and associated methodologies for your database that will have you up and running in no time. You'll learn how to configure Sequelize for your Node.js application properly, develop a better sense of understanding of how this ORM works, and find out how to manage your database from Node.js using Sequelize. Finally, you'll be able to use Sequelize as the database driver for building your application from scratch.By the end of this Node.js book, you'll be able to configure, build, store, retrieve, validate, and associate your data from a database to a Node.js application.

Oracle JDeveloper 11gR2 Cookbook. Using JDeveloper to build ADF applications is a lot more straightforward when you learn through practical recipes. This book has over 85 of them to take you beyond the basics and raise your knowledge to a new level

Nick Haralabidis

Oracle's Application Development Framework (ADF) for Fusion Web Applications leverages Java EE best practices and proven design patterns to simplify constructing complex web solutions with JDeveloper, and this hands-on, task-based cookbook enables you to realize those complex, enterprise-scale applications. With the help of real-world implementations, practical recipes cover everything from design and construction, to deployment, testing, debugging and optimization. This practical, task-based cookbook takes you, the ADF developer, on a practical journey for building Fusion Web Applications. By implementing a range of real world use cases, you will gain invaluable and applicable knowledge for utilizing the ADF framework with JDeveloper 11gR2. Oracle JDeveloper 11gR2 Cookbookù is a task-based guide to the complete lifecycle of Fusion Web Application development using Oracle JDeveloper 11gR2 and ADF.You will get quickly up and running with concepts like setting up Application Workspaces and Projects, before delving into specific Business Components such as Entity Objects, View Objects, Application Modules and more. Along the way you will encounter even more practical recipes about ADF Faces UI components and Backing Beans, and the book rounds off by covering security, session timeouts and exceptions.With Oracle JDeveloper 11gR2 Cookbookù in hand you will be equipped with the practical knowledge of a range of ready to use implementation cases which can be applied to your own Fusion Web ADF Applications.

Moodle 2.0 First Look. Discover what's new in Moodle 2.0, how the new features work, and how it will impact you

Mary Cooch, Moodle Trust

Moodle is currently the world's most popular E-learning platform. The long-awaited second version of Moodle is now available and brings with it greatly improved functionality. If you are planning to upgrade your site to Moodle 2.0 and want to be up-to-date with the latest developments, then this book is for you.This book takes an in-depth look at all of the major new features in Moodle 2.0 and how it differs from previous Moodle versions. It highlights changes to the standard installation and explains the new features with clear screenshots, so you can quickly take full advantage of Moodle 2.0. It also assists you in upgrading your site to Moodle 2.0, and will give you the confidence to make the move up to Moodle 2.0, either as an administrator or a course teacher.With its step-by-step introduction to the new features of Moodle 2.0, this book will leave you confident and keen to get your own courses up and running on Moodle 2.0. It will take you on a journey from basic navigation to advanced administration, looking at the changes in resource management and activity setup along the way. It will show you new ways tutors and students can control the pace of their learning and introduce you to the numerous possibilities for global sharing and collaborating now available in Moodle 2.0

.NET MAUI for C# Developers. Build cross-platform mobile and desktop applications

Jesse Liberty, Rodrigo Juarez, Maddy Montaquila (Leger)

While UI plays a pivotal role in retaining users in a highly competitive landscape, maintaining the same UI can be tricky if you use different languages for different platforms, leading to mismatches and un-synced pages. In this book, you'll see how .NET MAUI allows you to create a real-world application that will run natively on different platforms. By building on your C# experience, you’ll further learn to create beautiful and engaging UI using XAML, architect a solid app, and discover best practices for this Microsoft platform.The book starts with the fundamentals and quickly moves on to intermediate and advanced topics on laying out your pages, navigating between them, and adding controls to gather and display data. You’ll explore the key architectural pattern of Model-View-ViewModel: and ways to leverage it. You’ll also use xUnit and NSubstitute to create robust and reliable code.By the end of this book, you’ll be well-equipped to leverage .NET MAUI and create an API for your app to interact with a web frontend to the backend data using C#.

Transformers for Natural Language Processing and Computer Vision. Explore Generative AI and Large Language Models with Hugging Face, ChatGPT, GPT-4V, and DALL-E 3 - Third Edition

Denis Rothman

Transformers for Natural Language Processing and Computer Vision, Third Edition, explores Large Language Model (LLM) architectures, applications, and various platforms (Hugging Face, OpenAI, and Google Vertex AI) used for Natural Language Processing (NLP) and Computer Vision (CV).The book guides you through different transformer architectures to the latest Foundation Models and Generative AI. You’ll pretrain and fine-tune LLMs and work through different use cases, from summarization to implementing question-answering systems with embedding-based search techniques. You will also learn the risks of LLMs, from hallucinations and memorization to privacy, and how to mitigate such risks using moderation models with rule and knowledge bases. You’ll implement Retrieval Augmented Generation (RAG) with LLMs to improve the accuracy of your models and gain greater control over LLM outputs.Dive into generative vision transformers and multimodal model architectures and build applications, such as image and video-to-text classifiers. Go further by combining different models and platforms and learning about AI agent replication.This book provides you with an understanding of transformer architectures, pretraining, fine-tuning, LLM use cases, and best practices.

Microsoft System Center Data Protection Manager 2012 R2 Cookbook. Over 100 recipes to build your own designs exploring the advanced functionality and features of System Center DPM 2012 R2

Robert Hedblom

LMMS: A Complete Guide to Dance Music Production

David Earl

You've scoured the forums, watched the tutorial videos, and done everything you can to learn the secrets of the art of making dance music. Everyone is saying something different about how to get into producing your own projects. This book will help connect the dots and lay a solid foundation of knowledge so you can get beats banging out of LMMS.This book will show you the ins and outs of making Dance music with LMMS. Do you make house, trance, techno or down-tempo? After this book you'll be able to make a song that stands out from the masses, using time honoured tricks of the trade. From inception to conception, this book will help give you a workflow to channel your muse using LMMS.Readers will be given a brief lesson on the best of dance music history, then learn how to recreate it using the Open Source digital workstation - LMMS. The reader will be guided through creating a project from start to finish. By the end of this book, the reader will know how to create a full dance track in LMMS and make it ready for distribution.Along the way, readers will take short stops into music theory, song arranging, recording, and other related information to give them a good foundation for making dance music with depth as well as power. Reading LMMS: A Complete Guide to Dance Music Production will not just teach the reader how to use LMMS, but also how good dance music is crafted. The reader will not just be taught how to make decisions in LMMS, but when and why. After devouring this book, the reader should be able to focus on his or her creativity, with LMMS as a co-conspirator in the process of making great dance music.

Building Analytics Teams. Harnessing analytics and artificial intelligence for business improvement

John K. Thompson, Douglas B. Laney

In Building Analytics Teams, John K. Thompson, with his 30+ years of experience and expertise, illustrates the fundamental concepts of building and managing a high-performance analytics team, including what to do, who to hire, projects to undertake, and what to avoid in the journey of building an analytically sound team. The core processes in creating an effective analytics team and the importance of the business decision-making life cycle are explored to help achieve initial and sustainable success.The audiobook demonstrates the various traits of a successful and high-performing analytics team and then delineates the path to achieve this with insights on the mindset, advanced analytics models, and predictions based on data analytics. It also emphasizes the significance of the macro and micro processes required to evolve in response to rapidly changing business needs.The audiobook dives into the methods and practices of managing, developing, and leading an analytics team. Once you've brought the team up to speed, the audiobook explains how to govern executive expectations and select winning projects.By the end of this audiobook, you will have acquired the knowledge to create an effective business analytics team and develop a production environment that delivers ongoing operational improvements for your organization.

Drupal 8 Theming with Twig. Master Drupal 8’s new Twig templating engine to create fun and fast websites with simple steps to help you move from concept to completion

Chaz Chumley

Drupal 8 is an open source content management system and powerful framework that helps deliver great websites to individuals and organizations, including non-profits, commercial, and government around the globe. This new release has been built on top of object-oriented PHP and includes more than a handful of improvements such as a better user experience, cleaner HTML5 markup, a new templating engine called Twig, multilingual capabilities, new configuration management, and effortless content authoring. Drupal 8 will quickly become the new standard for deploying content to both the web and mobile applications. However, with so many new changes, it can quickly become overwhelming knowing where to start and how to quickly.Starting from the bottom up, we will install, set up, and configure Drupal 8. We’ll navigate the Admin interface so you can learn how to work with core themes and create new custom block layouts. Walk through a real-world project to create a Twig theme from concept to completion while adopting best practices to implement CSS frameworks and JavaScript libraries. We will see just how quick and easy it is to create beautiful, responsive Drupal 8 websites while avoiding the common mistakes that many front-end developers make.

Mastering Xamarin.Forms. Build rich, maintainable, multi-platform, native mobile apps with Xamarin.Forms - Second Edition

Ed Snider

Discover how to extend and build upon the components of the Xamarin.Forms toolkit to develop effective, robust mobile app architecture. Starting with an app built with the basics of the Xamarin.Forms toolkit, we'll go step by step through several advanced topics to create a solution architecture rich with the benefits of good design patterns and best practices.We'll start by introducing a core separation between the app's user interface and the app's business logic by applying the MVVM pattern and data-binding. Then we will focus on building out a layer of plugin-like services that handle platform-specific utilities such as navigation and geo-location, as well as how to loosely use these services in the app with inversion of control and dependency injection. Next we'll connect the app to a live web-based API and set up offline synchronization. Then, we'll dive into testing the app logic through unit tests. Finally, we will setup Visual Studio App Center to automate building, testing, distributing and monitoring the app.

Building Impressive Presentations with impress.js. Design stunning presentations with dynamic visuals and 3D transitions that will captivate your colleagues

Impressjs, Rakhitha Nimesh Ratnayake

Everyone has had to present during their lifetime. We've all spent agonizing hours trying to make those PowerPoint presentations engaging. Well now there is a tool that will make those presentations look like child's play.Impress.js is a powerful library that eases the task of creating presentations with smooth animations without depending on a software tool. You are no longer limited to desktop tools as these presentations run on any supported browser anywhere on the Internet.Building Impressive Presentations with impress.js is a quick guide to creating professional presentations using the best aspects of CSS3. It will also guide you through several practical examples which go beyond the conventional slide-based presentations, covering each aspect of the Impress library.From simple presentations to your own personal website this handy practical guide will ensure you get the most out of Impress.JS as quickly as you can. Starting with a simple slide-based presentation we move quickly on adding in sliders, galleries and portfolios to utilize this amazing tool. 3D transitions, rotations, scaling, and transforms are also covered to give your presentations that something extra. The final step is bringing all this together to create a personal website that is viewable on all impress supported browsers.Building Impressive Presentations with impress.js gives you the chance to stand out from the competition and engage with audiences in a way you never have before.

The Ansible Workshop. Hands-On Learning For Rapid Mastery

Aymen El Amri

The Ansible Workshop offers a comprehensive journey through the world of Ansible, guiding readers from foundational concepts to advanced applications in automation. Readers delve into creating and managing inventories, an essential aspect of organizing systems for automation.As the journey progresses, the book covers the creation and use of playbooks, providing step-by-step instructions and practical examples. Readers learn how to gather and utilize Ansible facts, debug issues effectively, and manage sensitive data with Ansible Vault. The exploration of Ansible blocks, modules, plugins, and filters further enhances the reader's ability to customize and extend Ansible's functionality.The book then introduces the concept of Ansible roles, enabling readers to structure and reuse their automation tasks efficiently. Performance optimization techniques are also discussed, ensuring that automation workflows are both fast and reliable. The practical applications of Ansible are showcased through chapters on managing Docker and Docker Compose, as well as automating Kubernetes, highlighting Ansible's versatility in modern IT environments. To provide a quick reference and reinforce learning, an Ansible cheat sheet is included, summarizing key commands and concepts.

Ethical Hacking Workshop. Explore a practical approach to learning and applying ethical hacking techniques for effective cybersecurity

Rishalin Pillay, Mohammed Abutheraa

The Ethical Hacking Workshop will teach you how to perform ethical hacking and provide you with hands-on experience using relevant tools.By exploring the thought process involved in ethical hacking and the various techniques you can use to obtain results, you'll gain a deep understanding of how to leverage these skills effectively.Throughout this book, you'll learn how to conduct a successful ethical hack, how to use the tools correctly, and how to interpret the results to enhance your environment's security. Hands-on exercises at the end of each chapter will ensure that you solidify what you’ve learnt and get experience with the tools.By the end of the book, you'll be well-versed in ethical hacking and equipped with the skills and knowledge necessary to safeguard your enterprise against cyber-attacks.

OpenStack Sahara Essentials. Integrate, deploy, rapidly configure, and successfully manage your own big data-intensive clusters in the cloud using OpenStack Sahara

The Sahara project is a module that aims to simplify the building of data processing capabilities on OpenStack.The goal of this book is to provide a focused, fast paced guide to installing, configuring, and getting started with integrating Hadoop with OpenStack, using Sahara.The book should explain to users how to deploy their data-intensive Hadoop and Spark clusters on top of OpenStack. It will also cover how to use the Sahara REST API, how to develop applications for Elastic Data Processing on Openstack, and setting up hadoop or spark clusters on Openstack.

pfSense 2 Cookbook. This book is unique in its coverage of all the features of pfSense, empowering you to exploit the firewall’s full potential. With clear instructions and detailed screenshots, it helps you configure even the most advanced features

Matt Williamson, Matthew D Williamson

pfSense is an open source distribution of FreeBSD-based firewall that provides a platform for flexible and powerful routing and firewalling. The versatility of pfSense presents us with a wide array of configuration options, which makes determining requirements a little more difficult and a lot more important, compared to other offerings. Through this book you will see that pfSense offers numerous alternatives to fit any environment's security needs.pfSense 2.0 Cookbook is the first and only book to explore all the features of pfSense, including those released in the latest 2.0 version. With the help of step-by-step instructions and detailed screenshots of the pfSense interface you will be able to configure every general and advanced feature from creating a firewall rule to configuring multi-WAN failover. Each recipe includes tips and offers advice on variations of the topic or references to other related recipes and additional information that can be found from other sources.pfSense 2.0 Cookbook covers the gamut of available features and functionality. The first three chapters will take you from a non-existent system to a basic pfSense firewall. The next chapter focuses on configuring any number of the VPN services available, a very important and sought-after feature for anyone implementing a firewall. The following two chapters describe how to configure the most advanced features available in pfSense; features that may only be relevant to the most experienced network admins. Chapter 7 is dedicated to understanding and configuring the grab-bag of features that are available in pfSense, but are often stand-alone options and unrelated to each other. The first appendix explains how to use the status monitoring tools available for many of the features. The second appendix wraps up with helping you to decide how and where pfSense may be incorporated into your system and what type of hardware is required based on your throughput needs.

VMware Horizon View High Availability. Design, develop and deploy a highly available vSphere environment for VMware Horizon View

Oracle VM Manager 2.1.2. Manage a Flexible and Elastic Data Center with Oracle VM Manager using this book and

Tarry Singh

Virtualization is taking the technology world by storm and dramatically helping organizations save money. Oracle VM is free and forked from the open source Xen hypervisor, which brings down your upfront costs for an agile data center. The robust capabilities and easy-to-use web interface of Oracle VM Manager helps administrators manage their Internal Data Center from anywhere in the world, helping us come closer to ubiquitous computing.This practical book will give you hands-on experience on how to manage your Virtual Machines using Oracle VM Manager. Equipped with step-by-step installation and management information you will not only learn to manage your Virtual Data Center but also will include this guide among the books you consider most essential.This book will take you into the various methods of importing Virtual Machines. You will learn to import VMs through HTTP/FTP, Repository servers, and even import other VM formats such as VMware VMs. You will also learn about the Xen utilities such as xm, xentop, and virsh. You will learn to manage your VMs through the simple and intuitive web interface of Oracle VM Manager. No matter how compact it may seem, this book covers all the essentials while keeping your learning experience to the point. The book has been deliberately written in a conversational manner so that you feel at home while learning Oracle VM Manager.

Managing the New Generation. A practical guide for understanding and meeting workplace expectations of Generation Y

Innovative techniques and practices for managing and engaging the new generation of workers.As the new generation of employees enters the workforce, they bring with them a distinctive set of attitudes, behaviors and expectations. Coupled with rapid changes to social and business life, this has created a situation of fast transformation in workplace and organizational culture. For some it may be troubling, and difficult to contend with, but the creativity and energy of Generation Y presents should be regarded as an opportunity, not a challenge. When managed and cultivated in the right way, Generation Y can play a key role in your organization and can push you forward towards future success.This engaging guide, thoughtful and practical in equal measure, takes the mystery and confusion out of managing and working with Generation Y. Carolin Munro, Associate Professor at the Faculty of management at Royal Roads University, BC., offers an unconventional roadmap to navigate through the uncultivated terrain of attracting, engaging, and retaining Generation Y talent in your organization. Carolin addresses the burning questions you have about Generation Y and proposes specific strategies that you can use to build collaborative working relationships with a new generation of employees. From attracting Generation Y to your organization, dealing with any multi-generational differences, to inspiring and coaching new employees towards success, Caroliun draws on her expertise in management and leadership to demonstrate that the future will be safe in the hands of Generation Y.

Learning OpenCV 3 Application Development

Samyak Datta

Computer vision and machine learning concepts are frequently used in practical computer vision based projects. If you’re a novice, this book provides the steps to build and deploy an end-to-end application in the domain of computer vision using OpenCV/C++. At the outset, we explain how to install OpenCV and demonstrate how to run some simple programs. You will start with images (the building blocks of image processing applications), and see how they are stored and processed by OpenCV. You’ll get comfortable with OpenCV-specific jargon (Mat Point, Scalar, and more), and get to know how to traverse images and perform basic pixel-wise operations. Building upon this, we introduce slightly more advanced image processing concepts such as filtering, thresholding, and edge detection. In the latter parts, the book touches upon more complex and ubiquitous concepts such as face detection (using Haar cascade classifiers), interest point detection algorithms, and feature descriptors. You will now begin to appreciate the true power of the library in how it reduces mathematically non-trivial algorithms to a single line of code!The concluding sections touch upon OpenCV’s Machine Learning module. You will witness not only how OpenCV helps you pre-process and extract features from images that are relevant to the problems you are trying to solve, but also how to use Machine Learning algorithms that work on these features to make intelligent predictions from visual data!

Oracle Coherence 3.5. Create Internet-scale applications using Oracle’s high-performance data grid

Patrick Peralta, Mark Falco, Aleksandar Seovic

Scalability, performance, and reliability have to be designed into an application from the very beginning, as there may be substantial cost or implementation consequences if they need to be added down the line. This indispensible book will teach you how to achieve these things using Oracle Coherence, a leading data grid product on the market.Authored by leading Oracle Coherence authorities, this essential book will teach you how to use Oracle Coherence to build high-performance applications that scale to hundreds of machines and have no single points of failure. You will learn when and how to use Coherence features such as distributed caching, parallel processing, and real-time events within your application, and understand how Coherence fits into the overall application architecture. Oracle Coherence provides a solid architectural foundation for scalable, high-performance and highly available enterprise applications, through features such as distributed caching, parallel processing, distributed queries and aggregations, real-time events, and the elimination of single points of failure.However, in order to take full advantage of these features, you need to design your application for Coherence from the beginning. Based on the authors' extensive knowledge of Oracle Coherence, and how to use it in the real world, this book will provide you with all the information you need in order to leverage various Coherence features properly. It contains a collection of best practice-based solutions and mini-frameworks that will allow you to be more productive from the very beginning.The early chapters cover basics like installation guidelines and caching topologies, before moving on to the domain model implementation guidelines, distributed queries and aggregations, parallel processing, and real-time events. Towards the end, you learn how to integrate Coherence with different persistence technologies, how to access Coherence from platforms other than Java, and how to test and debug classes and applications that depend on Coherence.

Hands-On Microservices with JavaScript. Build scalable web applications with JavaScript, Node.js, and Docker

Tural Suleymani

Keep up with the ever-evolving web development landscape by mastering JavaScript microservices with expert guidance from Tural Suleymani—a full-stack software engineer, architect, software development teacher, Microsoft MVP, and three-time C# Corner MVP. He distills over a decade of experience crafting high-performance, scalable solutions into this guide. He’ll walk you through the fundamentals of microservices, providing a solid foundation in architecture, design principles, and the necessary tools and technologies. From beginners to seasoned developers, this book offers a clear pathway to mastering microservices with JavaScript.With the help of hands-on tasks that simulate real-world scenarios, you’ll learn how to build reliable and scalable microservices. You’ll explore synchronous and asynchronous communication, real-time data streaming, and how to secure and monitor your services. The book’s emphasis on a design-first approach ensures that your microservices are maintainable and future-proof. Detailed case studies from industry experts will enhance your learning experience and provide practical insights into building microservices in production environments.By the end of this book, you'll be ready to create cloud-ready, high-performing microservices using cutting-edge JavaScript frameworks and tools and tackle real-world challenges, ensuring your applications are secure and efficient.

Microsoft Azure Machine Learning. Explore predictive analytics using step-by-step tutorials and build models to make prediction in a jiffy with a few mouse clicks

Sumit Mund, Christina Storm

Yii 1.1 Application Development Cookbook. Over 80 recipes to help you master using the Yii PHP framework

Alexander Makarov, Qiang Xue (Project)

When Alex told me he was about to write a Yii cookbook about a year ago, I was wondering how original it would be, considering the fact that there was already an online user-contributed cookbook (aka. Yii wiki). It turned out Alex produced a book that is not only full of wisdom about how to use Yii effectively, but also presented in such a systematic way that it can be taken as an essential companion book to the definitive guide to Yii. In fact, Alex has successfully intrigued the interest of every member in the Yii developer team when he asked for review and comments on his newly finished book chapters.As the founder and the lead developer of the Yii framework, I feel this book is a must-read for every Yii programmer. While this book does not describe directly the rules set by Yii, it shows how to program with Yii from a practical perspective. People who are driven by tight project schedules will find this book very handy as it gives ready-to-use solutions to many problems they may face in their projects; people who are already familiar with Yii will also find this book very informative as most problem solutions given in the book can be considered as officially recommended because they have undergone thorough review of every Yii developer team member. Alex, through this book and his active participation in the Yii project, proved himself to be a great programmer as well as a good writer.Qiang XueLead developer of the Yii frameworkYii framework is a rapidly growing PHP5 MVC framework often referred to as Rails for PHP. It has become a solid base for many exciting web applications such as Stay.com and Russia Today's meetfriends.rt.com and can be a good base for your developments. Yii is an object-oriented, high-performance, component-based PHP web application framework. Yii is pronounced as Yee and is an acronym for Yes It Is!.Familiar with Yii and want to exploit it to its full potential, but do not know how to go about it? Yii 1.1 Application Development Cookbook will show you how to use Yii efficiently. You will learn about implementing shortcuts using core features, creating your own reusable code base, using test-driven development, and many more topics that will escalate your knowledge in no time at all!Yii 1.1 Application Development Cookbook will help you learn more about Yii framework and application development practices in general with demonstrations of shortcuts and information about dangerous things you should not do.Grouped in 13 chapters, the recipes will assist you to write your applications exploiting Yii core functionality to its full potential. The chapters are generally independent of each other and you can start reading from the chapter you need most, whether it is AJAX and jQuery, Database, Active Record and Model Tricks or Extending Yii. The most interesting topics include Yii application deployment, a guide to writing your own extensions, advanced error handling, debugging and logging, application security, and performance tuning.Yii 1.1 Application Development Cookbook will help you utilize Yii functionalities completely and efficiently.