Data Processing with Optimus. Supercharge big data preparation tasks for analytics and machine learning with Optimus using Dask and PySpark

Dr. Argenis Leon, Luis Aguirre

Optimus is a Python library that works as a unified API for data cleaning, processing, and merging data. It can be used for handling small and big data on your local laptop or on remote clusters using CPUs or GPUs.The book begins by covering the internals of Optimus and how it works in tandem with the existing technologies to serve your data processing needs. You'll then learn how to use Optimus for loading and saving data from text data formats such as CSV and JSON files, exploring binary files such as Excel, and for columnar data processing with Parquet, Avro, and OCR. Next, you'll get to grips with the profiler and its data types - a unique feature of Optimus Dataframe that assists with data quality. You'll see how to use the plots available in Optimus such as histogram, frequency charts, and scatter and box plots, and understand how Optimus lets you connect to libraries such as Plotly and Altair. You'll also delve into advanced applications such as feature engineering, machine learning, cross-validation, and natural language processing functions and explore the advancements in Optimus. Finally, you'll learn how to create data cleaning and transformation functions and add a hypothetical new data processing engine with Optimus.By the end of this book, you'll be able to improve your data science workflow with Optimus easily.

Instant Handlebars.js. Learn how to create and implement HTML templates into your projects using the Handlebars library

Gabriel Manricks

Handlebars is one of the leading JavaScript templating engines and is quickly gaining widespread adoption by developers, as well as with frameworks like Ember.js and Meteor.Instant Handlebars.js is a complete guide to the Handlebars library filled with internal concepts and practical examples that will help illustrate what's going on and take you from a complete beginner to a Handlebars expert.Instant Handlebars.js begins with the very basics, requiring no previous knowledge about templating engines. Throughout the course of this book, you get a thorough tour of all the features available in Handlebars.js and you will learn how to organize your websites for both development and production.In this book, we will cover how to create templates with both placeholders and helpers. We will then go into organizing your projects for rapid -development using Require.js and how to optimize and compile your projects for production. To finish off, you will learn how to annotate your code and leave debug points so that you can easily maintain and troubleshoot your code in the future.Handlebars is a small library;, it is meant to fill a specific need and it does this well. Instant Handlebars.js takes a very methodical approach to cover every aspect of this amazing library with practical examples provided every step of the way.

Edit without Tears with Final Cut Pro. Elevate your video editing skills with professional workflows and techniques

Bruce G. Macbryde

Edit Without Tears with Final Cut Pro is your essential guide to overcoming challenges in video editing using Final Cut Pro, simplifying complex procedures and workflows and providing a structured approach for efficient and impressive video editing. This book will change how you approach editing, guiding you to create professional-grade videos with ease and confidence.Throughout the book, you'll enhance your efficiency and speed, while also learning unique workflows for common tasks. The comprehensive coverage spans planning video narratives, crafting preliminary edits and refining them, improving audio quality, setting up and editing multicam sequences, leveraging the inspector's controls, and working with both built-in and third-party plugins. You’ll then advance to animating objects using keyframes, utilizing color scopes for advanced color correction, and troubleshooting common issues confidently.By the end of this Final Cut Pro book, you’ll have developed an efficient editing style, unlocking the full power of this video editing software for your creative endeavors.

Microservices with Go. Building scalable and reliable microservices with Go

This book covers the key benefits and common issues of microservices, helping you understand the problems microservice architecture helps to solve, the issues it usually introduces, and the ways to tackle them.You’ll start by learning about the importance of using the right principles and standards in order to achieve the key benefits of microservice architecture. The following chapters will explain why the Go programming language is one of the most popular languages for microservice development and lay down the foundations for the next chapters of the book. You’ll explore the foundational aspects of Go microservice development including service scaffolding, service discovery, data serialization, synchronous and asynchronous communication, deployment, and testing. After covering the development aspects, you’ll progress to maintenance and reliability topics. The last part focuses on more advanced topics of Go microservice development including system reliability, observability, maintainability, and scalability. In this part, you’ll dive into the best practices and examples which illustrate how to apply the key ideas to existing applications, using the services scaffolded in the previous part as examples.By the end of this book, you’ll have gained hands-on experience with everything you need to develop scalable, reliable and performant microservices using Go.

Mastering Python for Finance. Implement advanced state-of-the-art financial statistical applications using Python - Second Edition

James Ma Weiming

The second edition of Mastering Python for Finance will guide you through carrying out complex financial calculations practiced in the industry of finance by using next-generation methodologies. You will master the Python ecosystem by leveraging publicly available tools to successfully perform research studies and modeling, and learn to manage risks with the help of advanced examples.You will start by setting up your Jupyter notebook to implement the tasks throughout the book. You will learn to make efficient and powerful data-driven financial decisions using popular libraries such as TensorFlow, Keras, Numpy, SciPy, and scikit-learn. You will also learn how to build financial applications by mastering concepts such as stocks, options, interest rates and their derivatives, and risk analytics using computational methods. With these foundations, you will learn to apply statistical analysis to time series data, and understand how time series data is useful for implementing an event-driven backtesting system and for working with high-frequency data in building an algorithmic trading platform. Finally, you will explore machine learning and deep learning techniques that are applied in finance.By the end of this book, you will be able to apply Python to different paradigms in the financial industry and perform efficient data analysis.

Oracle Application Express 4.0 with Ext JS. Deliver rich desktop-styled Oracle APEX applications using the powerful Ext JS JavaScript library

Mark Lancaster

Modern web-based applications are moving rapidly away from simple HTML pages, with users expecting desktop styled rich internet applications. Oracle Application Express includes multiple built-in interfaces especially designed for adding JavaScript libraries and components. Ext JS is a polished, high performance set of customizable UI widgets with a well designed and extensible Component model. Combining Ext JS components with the well engineered server side processing provided by Oracle APEX is a recipe for success. Written by Oracle ACE, Mark Lancaster, this book is a complete practical guide to building robust desktop-styled web applications using Oracle Application Express and the powerful Ext JS JavaScript library This book starts off by setting up a productive environment for Oracle APEX and Ext JS, preparing you to get ready to code, and then gradually introducing you to the Ext JS API. You then create a theme based on Ext JS into APEX from scratch, starting with integrating the Ext JS library into the page template, then covering all the template types. You further enrich your interface by integrating Ext JS form components and Ext JS layout elements. You are shown how to integrate components including tab panels, toolbars and menus. Existing components are also enhanced, transforming select lists into auto-completing combo boxes and text-areas auto-sizing as you type.Using exciting new Plug-ins feature, you will learn how to develop custom APEX components that can be used declaritively. This book extends native APEX functionality by integrating Ext JS widgets and components with integrated server-side JavaScript generation, AJAX processing and validation.The book then covers integrating Plug-ins with APEX provided Dynamic Actions JavaScript. You proceed further to build advanced interactive components using AJAX enabled trees and grids. Then you will see how to use the iFrames component along with page templates to build a multi-page interface and also deal with JavaScript communication between iFrames. Finally, you will integrate Ext JS with jQuery using the Ext jQuery adaptor. This book also covers examples of jQuery functionality interacting with Ext JS. By the end of this book you will also learn to improve the performance of your JavaScripts.

Cybersecurity and Privacy Law Handbook. A beginner's guide to dealing with privacy and security while keeping hackers at bay

Walter Rocchi

Cybercriminals are incessantly coming up with new ways to compromise online systems and wreak havoc, creating an ever-growing need for cybersecurity practitioners in every organization across the globe who understand international security standards, such as the ISO27k family of standards.If you’re looking to ensure that your company's data conforms to these standards, Cybersecurity and Privacy Law Handbook has got you covered. It'll not only equip you with the rudiments of cybersecurity but also guide you through privacy laws and explain how you can ensure compliance to protect yourself from cybercrime and avoid the hefty fines imposed for non-compliance with standards.Assuming that you're new to the field, this book starts by introducing cybersecurity frameworks and concepts used throughout the chapters. You'll understand why privacy is paramount and how to find the security gaps in your company's systems. There's a practical element to the book as well—you'll prepare policies and procedures to prevent your company from being breached. You’ll complete your learning journey by exploring cloud security and the complex nature of privacy laws in the US.By the end of this cybersecurity book, you'll be well-placed to protect your company's data and comply with the relevant standards.

Backbone.js Testing

Ryan Glenn Roemer