Python Data Visualization Cookbook. Visualize data using Python's most popular libraries

Dimitry Foures, Giuseppe Vettigli, Tarek Amr, Igor Milovanovic

Python Data Visualization Cookbook will progress the reader from the point of installing and setting up a Python environment for data manipulation and visualization all the way to 3D animations using Python libraries. Readers will benefit from over 60 precise and reproducible recipes that will guide the reader towards a better understanding of data concepts and the building blocks for subsequent and sometimes more advanced concepts.Python Data Visualization Cookbook starts by showing how to set up matplotlib and the related libraries that are required for most parts of the book, before moving on to discuss some of the lesser-used diagrams and charts such as Gantt Charts or Sankey diagrams. Initially it uses simple plots and charts to more advanced ones, to make it easy to understand for readers. As the readers will go through the book, they will get to know about the 3D diagrams and animations. Maps are irreplaceable for displaying geo-spatial data, so this book will also show how to build them. In the last chapter, it includes explanation on how to incorporate matplotlib into different environments, such as a writing system, LaTeX, or how to create Gantt charts using Python.

Supercharging Productivity with Trello. Harness Trello’s powerful features to boost productivity and team collaboration

Brittany Joiner

Managing large projects and teams can be an immense challenge, but having an efficient project management system can make all the difference. Trello is one of the leading project management systems, however, it’s crucial to understand its features to leverage its full potential Supercharging Productivity with Trello is the perfect guide for you to enhance efficiency and do more in less time. You’ll start by exploring Trello's structure, including cards, boards, and lists, before diving into Trello card basics. Next, you’ll learn to use Trello views and templates to aggregate tasks and organize projects. You’ll then explore automation, including triggers and actions, to create powerful workflows that will help you prioritize tasks and organize your data effectively. Later, you’ll discover Power-Ups, an add-on that extends Trello's functionality. Throughout the book, you’ll find practical tips and real-world examples to gain practical knowledge. By the end of this book, you’ll be well-equipped to use Trello effectively for task and project management helping you stay on top of your game and deliver quick wins in no time.

PostgreSQL 9.0 High Performance. If you’re an intermediate to advanced database administrator, this book is the shortcut to optimizing and troubleshooting your PostgreSQL database. With a balanced mix of theory and practice, it will quickly hone your expertise

Gregory Smith, David Page Postgre Group

PostgreSQL database servers have a common set of problems they encounter as their usage gets heavier and requirements more demanding. You could spend years discovering solutions to them all, step by step as you encounter them. Or you can just look in here.All successful database applications are destined to eventually run into issues scaling up their performance. Peek into the future of your PostgreSQL database's problems today. Know the warning signs to look for, and how to avoid the most common issues before they even happen.Surprisingly, most PostgreSQL database applications evolve in the same way: Choose the right hardware. Tune the operating system and server memory use. Optimize queries against the database, with the right indexes. Monitor every layer, from hardware to queries, using some tools that are inside PostgreSQL and others that are external.Using monitoring insight, continuously rework the design and configuration. On reaching the limits of a single server, break things up; connection pooling, caching, partitioning, and replication can all help handle increasing database workloads.The path to a high performance database system isn't always easy. But it doesn't have to be mysterious with the right guide.

Salesforce CRM Admin Cookbook. Over 40 recipes to make effective use of Salesforce CRM with the use of hidden features, advanced user interface techniques, and real-world solutions

Paul Goodey

Salesforce CRM is a market-leading customer relationship management (CRM) application that is accessed over the Internet. It is a proven system which helps to manage large volumes of information across an organization and also improves communication between departments for exceptional customer service. The CRM application is available for the management of sales projections and orders, marketing plans, knowledge management, service and support, partner relationships, and data analytics. The application greatly enhances a company's sales performance, improves customer satisfaction, and provides a robust customer relationship management system for an organization. For optimum performance of the system, there are a lot of things for you as the Salesforce administrator to know and tackle, but there isn't a single book which focuses on the administrative aspect of Salesforce CRM.Salesforce CRM Admin Cookbook enables you to instantly extend and unleash the power of Salesforce CRM. It provides clear, comprehensive instructions along with detailed screenshots and code. Whether you are looking for solutions to enhance the core features or are looking for ideas for advanced customization techniques, this book will provide you with immediate, practical, and exciting real-world recipes.This book provides practical, step-by-step instructions that cover the use of hidden features, advanced user interface techniques, solutions for process automation, and data and systems integration in detail.This book guides you through interesting topics spanning a variety of functional areas. Recipes are provided that cover data quality and automation, approval and workflow processing, solutions to increase productivity, and the integration of Salesforce CRM with external tools and applications, such as Google and Microsoft Outlook.Salesforce CRM Admin Cookbook' provides practical, step-by-step instructions to deliver enhanced functionality and extend the power of Salesforce CRM.

Strategizing Continuous Delivery in the Cloud. Implement continuous delivery using modern cloud-native technology

Garima Bajpai, Thomas Schuetz

Many organizations are embracing cloud technology to remain competitive, but implementing and adopting development processes while modernizing a cloud-based ecosystem can be challenging.Strategizing Continuous Delivery in Cloud helps you modernize continuous delivery and achieve infrastructure-application convergence in the cloud. You’ll learn the differences between cloud-based and traditional delivery approaches and develop a tailored strategy. You’ll discover how to secure your cloud delivery environment, ensure software security, run different test types, and test in the pre-production and production stages.You’ll also get to grips with the prerequisites for onboarding cloud-based continuous delivery for organizational and technical aspects. Then, you’ll explore key aspects of readiness to overcome core challenges in your cloud journey, including GitOps, progressive delivery controllers, feature flagging, differences between cloud-based and traditional tools, and implementing cloud chaos engineering.By the end of this book, you’ll be well-equipped to select the right cloud environment and technologies for CD and be able to explore techniques for implementing CD in the cloud.

VMware vRealize Operations Essentials. Harness the power of VMware vRealize Operations to efficiently manage your IT infrastructure

Matthew Steiner

This book will enable you to deliver on the operational disciplines of Performance, Health, Capacity, Configuration, and Compliance by making the best use of solutions provided by vRealize Operations. Starting with architecture, design, and sizing, we will ensure your implementation of vRealize Operations is a success.We will dive into the utilization of a solution to manage your vSphere infrastructure.Then, we will employ out-of-the-box Dashboards and the very powerful Views and Reporting functionality of vRealize Operations to create your custom dashboards and address your reporting requirements.Next, we go through the Alerting framework and how Symptoms, Recommendations, and Actions are used to achieve efficient operations. Later you will master the topic of Capacity Planning, where we look at how important it is to craft appropriate policies to match your requirements, and we’ll consider attitude toward capacity risk, which will aid you to build future project requirements into your capacity plans.Finally, we will look at extending the solution to manage Storage, Applications, and other IT infrastructures using Management Packs from Solution Exchange, as well as how the solution can be enhanced with the integration of Log Insight.

Building Full Stack DeFi Applications. A practical guide to creating your own decentralized finance projects on blockchain

Samuel Zhou

Enter the world of Decentralized Finance (DeFi) with Building Full Stack DeFi Applications. Understand how this blockchain-based financial technology, designed to manage crypto assets, runs independently without centralized financial institutions like banks and brokerages, eliminating the fees that banks and other financial companies charge for using their services. This book will show you how DeFi solutions are built with smart contracts running on blockchains and how they allow users to gain and earn crypto assets based on the trust of the smart contracts.This book uncovers the inner workings of DeFi by guiding you through the mathematical foundations and teaching you how to build real-world DeFi products with Solidity and JavaScript. As you progress through the chapters, you’ll learn how to implement smart contracts of liquidity pools to trade cryptocurrencies and implement staking, including farming features that allow users to earn. You’ll also find out how to create asset pools that allow users to lend and borrow cryptocurrencies and generate interest. Additionally, you’ll discover how to use Web3 libraries to build the frontend of DeFi products.By the end of this book, you’ll will be well acquainted with popular tools, libraries, and design patterns for implementing a full-stack DeFi application with Web3 and Solidity.

CompTIA A+ Practice Tests Core 1 (220-1101) and Core 2 (220-1102). Pass the CompTIA A+ exams on your first attempt with rigorous practice questions

Ian Neil, Mark Birch

The CompTIA A+ exam is not only a valuable foundational certification, but also the key to unlocking a world of exciting career possibilities in the ever-dynamic IT landscape. This book combines the best-in-class practice tests for the exam, offering a substantial volume of exam-oriented practice material and mirroring the A+ exam's level of difficulty to ensure that you are not just prepared, but brimming with confidence when you sit for the A+ exam.The book begins with Core 1, delving into mobile devices, networking, hardware, virtualization, cloud computing, and troubleshooting. The chapters help you consolidate foundational knowledge essential for supporting computer software and hardware. As you progress to Core 2, you’ll review the knowledge you need to support common operating systems and software installations. This book grants you lifelong access to valuable supplementary resources available on an online platform, which include A+ flashcards and invaluable exam insights. With unlimited website access, you’ll have the freedom to practice as often as you wish, optimizing your readiness for the exam.By the end of this book, you’ll be fully prepared to confidently take both the CompTIA A+ Core 1 and Core 2 exams.

Linux Networking Cookbook. Over 40 recipes to help you set up and configure Linux networks

Gregory Boyce

Linux can be configured as a networked workstation, a DNS server, a mail server, a firewall, a gateway router, and many other things. These are all part of administration tasks, hence network administration is one of the main tasks of Linux system administration. By knowing how to configure system network interfaces in a reliable and optimal manner, Linux administrators can deploy and configure several network services including file, web, mail, and servers while working in large enterprise environments.Starting with a simple Linux router that passes traffic between two private networks, you will see how to enable NAT on the router in order to allow Internet access from the network, and will also enable DHCP on the network to ease configuration of client systems. You will then move on to configuring your own DNS server on your local network using bind9 and tying it into your DHCP server to allow automatic configuration of local hostnames. You will then future enable your network by setting up IPv6 via tunnel providers.Moving on, we’ll configure Samba to centralize authentication for your network services; we will also configure Linux client to leverage it for authentication, and set up a RADIUS server that uses the directory server for authentication.Toward the end, you will have a network with a number of services running on it, and will implement monitoring in order to detect problems as they occur.

Learning ClojureScript. Master the art of agile single page web application development with ClojureScript

Rafik Naccache, W. David Jarvis, Allen Rohner

Clojure is an expressive language that makes it possible to easily tackle complex software development challenges. Its bias toward interactive development has made it a powerful tool, enabling high developer productivity. In this book, you will first learn how to construct an interactive development experience for ClojureScript.. You will be guided through ClojureScript language concepts, looking at the basics first, then being introduced to advanced concepts such as functional programming or macro writing. After that, we elaborate on the subject of single page web applications, showcasing how to build a simple one, then covering different possible enhancements. We move on to study more advanced ClojureScript concepts, where you will be shown how to address some complex algorithmic cases. Finally, you'll learn about optional type-checking for your programs, how you can write portable code, test it, and put the advanced compilation mode of the Google Closure Compiler to good use.

Java EE 7 First Look. Discover the new features of Java EE 7 and learn to put them together to build a large-scale application

NDJOBO Armel Fabrice, Armel Fabrice NDJOBO

For several years, the development of robust, scalable, and secured applications was a headache for software companies. They had to use proprietary solutions with non-standard methods. With Java EE, many of these solutions have been standardized, simplified, adapted to the needs of the developer, and made freely available to the community. Thus, it is now possible to develop truly robust, secure, and scalable applications at a lower cost using tools such as: Eclipse, NetBeans, and GlassFish.Java EE 7 First Look is a practical guide which, through the creation of an online pre-registration website, will introduce you to the novelties of Java EE 7 and give you ideas for utilizing them.Giving you an insight on new features introduced in Java EE 7, this book begins with the objectives of Java EE 7 and then covers the new specifications added in Java EE 7. Next, you will move on to the improvements made in APIs and EJBs and how to work with them. You will also learn how to ensure that the quality of data is maintained that has been manipulated by your application and gives you the opportunity to put a small part of AOP (Aspect Oriented Programming) in action.Finally, the book will give you some ideas to realize n-tier applications using the Java EE platform and will also provide some guidance for the integration of your Java EE application to heterogeneous systems with which your application will interact.After reading Java EE 7 First Look, you'll have a good idea about the changes brought in by Java EE 7, as well as how to make the best use of these to build a large-scale application.

Untangle Network Security. Secure your network against threats and vulnerabilities using the unparalleled Untangle NGFW

Abd El Monem A Mohamed El Bawab

Kubernetes - An Enterprise Guide. Effectively containerize applications, integrate enterprise systems, and scale applications in your enterprise - Second Edition

Marc Boorshtein, Scott Surovich

Kubernetes has taken the world by storm, becoming the standard infrastructure for DevOps teams to develop, test, and run applications. With significant updates in each chapter, this revised edition will help you acquire the knowledge and tools required to integrate Kubernetes clusters in an enterprise environment.The book introduces you to Docker and Kubernetes fundamentals, including a review of basic Kubernetes objects. You’ll get to grips with containerization and understand its core functionalities such as creating ephemeral multinode clusters using KinD. The book has replaced PodSecurityPolicies (PSP) with OPA/Gatekeeper for PSP-like enforcement. You’ll integrate your container into a cloud platform and tools including MetalLB, externalDNS, OpenID connect (OIDC), Open Policy Agent (OPA), Falco, and Velero. After learning to deploy your core cluster, you’ll learn how to deploy Istio and how to deploy both monolithic applications and microservices into your service mesh. Finally, you will discover how to deploy an entire GitOps platform to Kubernetes using continuous integration and continuous delivery (CI/CD).

Learning GDScript by Developing a Game with Godot 4. A fun introduction to programming in GDScript 2.0 and game development using the Godot Engine

Sander Vanhove

In the digital landscape driven by interactive experiences, the demand for creative individuals with the skills to create captivating games has never been higher. Written by Sander Vanhove, a seasoned game developer with over 20 games to his credit, this book will serve as your entry point into game development, showing you how to leverage the powerful features of the open-source, versatile GDScript 2.0 to develop your ideas, from simple platformers to complex RPGs.Whether you're an aspiring game developer, a hobbyist seeking a creative outlet, or simply someone intrigued by the world of game programming, this book will guide you through the intricacies of the Godot 4 game engine. Starting with a primer on the fundamentals of programming, you’ll cover everything from data to logic, while familiarizing yourself with Godot’s built-in tools such as the physics engine, navigation, and cameras. As you progress, you’ll unlock deeper insights into more advanced tools that will take your programming to the next level. Aided by easy-to-follow step-by-step tutorials, examples, exercises, and experiments, you’ll seamlessly integrate this newfound knowledge to create a Vampire Survivor-like game from scratch.By the end of this book, you’ll have become proficient in leveraging the Godot 4 game engine to bring your gaming visions to life.

Extending Excel with Python and R. Unlock the potential of analytics languages for advanced data manipulation and visualization

Steven Sanderson, David Kun

– Extending Excel with Python and R is a game changer resource written by experts Steven Sanderson, the author of the healthyverse suite of R packages, and David Kun, co-founder of Functional Analytics. – This comprehensive guide transforms the way you work with spreadsheet-based data by integrating Python and R with Excel to automate tasks, execute statistical analysis, and create powerful visualizations. – Working through the chapters, you’ll find out how to perform exploratory data analysis, time series analysis, and even integrate APIs for maximum efficiency. – Both beginners and experts will get everything you need to unlock Excel's full potential and take your data analysis skills to the next level. – By the end of this book, you’ll be able to import data from Excel, manipulate it in R or Python, and perform the data analysis tasks in your preferred framework while pushing the results back to Excel for sharing with others as needed.

SwiftUI Cookbook. Discover solutions and best practices to tackle the most common problems while building SwiftUI apps

Giordano Scalzo, Edgar Nzokwe

SwiftUI is an innovative and simple way to build beautiful user interfaces (UIs) for all Apple platforms, right from iOS and macOS through to watchOS and tvOS, using the Swift programming language. In this recipe-based book, you’ll work with SwiftUI and explore a range of essential techniques and concepts that will help you through the development process. The recipes cover the foundations of SwiftUI as well as the new SwiftUI 2.0 features introduced in iOS 14. Other recipes will help you to make some of the new SwiftUI 2.0 components backward-compatible with iOS 13, such as the Map View or the Sign in with Apple View.The cookbook begins by explaining how to use basic SwiftUI components. Then, you’ll learn the core concepts of UI development such as Views, Controls, Lists, and ScrollViews using practical implementation in Swift. By learning drawings, built-in shapes, and adding animations and transitions, you’ll discover how to add useful features to the SwiftUI. When you’re ready, you’ll understand how to integrate SwiftUI with exciting new components in the Apple development ecosystem, such as Combine for managing events and Core Data for managing app data. Finally, you’ll write iOS, macOS, and watchOS apps while sharing the same SwiftUI codebase.By the end of this SwiftUI book, you'll have discovered a range of simple, direct solutions to common problems found in building SwiftUI apps.