CQRS by Example. Master CQRS: Build Efficient and Scalable Systems with Real-World Examples

Carlos Buenosvinos, Christian Soronellas, Keyvan Akbary

This course offers an in-depth exploration of the Command Query Responsibility Segregation (CQRS) pattern, a powerful architecture design that separates read and write operations to achieve greater scalability and performance in software systems. You'll begin by understanding the core principles behind CQRS and why it is essential for handling complex, high-traffic applications. Throughout the course, we’ll work through real-world examples that demonstrate how to apply CQRS to achieve a cleaner and more efficient codebase.Next, we will guide you through the practical aspects of implementing CQRS in a variety of use cases, focusing on how it enhances system maintainability and performance. You'll learn to distinguish between commands and queries effectively, and how to manage data consistency across distributed systems using techniques like event sourcing and eventual consistency.By the end of the course, you will have a comprehensive understanding of CQRS and its benefits. You'll be able to implement it in your own projects, whether you're building new applications or improving legacy systems. With a focus on scalability, maintainability, and performance, this course equips you with the skills needed to take on complex architectural challenges confidently.

Apache Solr Search Patterns. Leverage the power of Apache Solr to power up your business by navigating your users to their data quickly and efficiently

Jayant Kumar

The Music Producer's Ultimate Guide to FL Studio 21. From beginner to pro: compose, mix, and master music - Second Edition

Joshua Au-Yeung

The Music Producer's Ultimate Guide to FL Studio 21 is the essential handbook for any aspiring or professional music producer looking to take their craft to the next level.This comprehensive guide covers everything you need to make the most of FL Studio 21's powerful tools and features. You will learn the secrets to creating professional-sounding music, from creating chord progressions to tailoring your sounds to perfection with compression, equalization, and stereo width effects.You'll begin by getting up-and-running with FL Studio 21, creating a beat, and composing a melody. Once you're familiar with the piano roll and mixer console you'll learn how to use plugins to create your own instruments, explore audio width effects, and engage in sound design. You'll get insights into mixing and mastering, as well as promoting and selling your music.This new edition covers some of the most popular features and plugins in FL Studio 21, including FLEX, Luxeverb, Vintage Chorus, Vintage Phaser, Distructor, Fruity Newtime, VFX Sequencer, Pitch Shifter, Frequency Shifter, Fruity Granulizer, Multiband Delay, and Frequency Splitter.

Mastering R for Quantitative Finance. Use R to optimize your trading strategy and build up your own risk management system

Edina Berlinger (EURO), Julia Molnár, Agnes Vidovics Dancs, Barbara Dömötör, ...

Neo4j Graph Data Modeling. Design efficient and flexible databases by optimizing the power of Neo4j

Mahesh Lal, Mahesh K Lal

Mastering Proxmox. Master the skills you need to build a rock-solid virtualization environment with the all new Proxmox 4 - Second Edition

Wasim Ahmed

Proxmox is an open source server virtualization solution that has enterprise-class features to manage virtual machines, to be used for storage, and to virtualize both Linux and Windows application workloads.You begin with refresher on the advanced installation features and the Proxmox GUI to familiarize yourself with the Proxmox VE hypervisor. You then move on to explore Proxmox under the hood, focusing on the storage systems used with Proxmox. Moving on, you will learn to manage KVM Virtual Machines and Linux Containers and see how networking is handled in Proxmox. You will then learn how to protect a cluster or a VM with a firewall and explore the new HA features introduced in Proxmox VE 4 along with the brand new HA simulator. Next, you will dive deeper into the backup/restore strategy followed by learning how to properly update and upgrade a Proxmox node. Later, you will learn how to monitor a Proxmox cluster and all of its components using Zabbix. By the end of the book, you will become an expert at making Proxmox environments work in production environments with minimum downtime.

Python Data Cleaning Cookbook. Prepare your data for analysis with pandas, NumPy, Matplotlib, scikit-learn, and OpenAI - Second Edition

Michael Walker

Jumping into data analysis without proper data cleaning will certainly lead to incorrect results. The Python Data Cleaning Cookbook - Second Edition will show you tools and techniques for cleaning and handling data with Python for better outcomes.Fully updated to the latest version of Python and all relevant tools, this book will teach you how to manipulate and clean data to get it into a useful form. he current edition focuses on advanced techniques like machine learning and AI-specific approaches and tools for data cleaning along with the conventional ones. The book also delves into tips and techniques to process and clean data for ML, AI, and NLP models. You will learn how to filter and summarize data to gain insights and better understand what makes sense and what does not, along with discovering how to operate on data to address the issues you've identified. Next, you’ll cover recipes for using supervised learning and Naive Bayes analysis to identify unexpected values and classification errors and generate visualizations for exploratory data analysis (EDA) to identify unexpected values. Finally, you’ll build functions and classes that you can reuse without modification when you have new data.By the end of this Data Cleaning book, you'll know how to clean data and diagnose problems within it.

Instant SQL Server Analysis Services 2012 Cube Security. Analyze and secure cubes in the SQL Server 2012 development environment in no time using this hands-on guide

Satya SK Jayanty, Satya Shyam K Jayanty

SQL Server 2012 includes BI-specific features such as cube analytics, reporting-related features, multidimensional BI semantic models, and many more. This is a new addition that is of great use to Business Analysts, who can now build BI semantic models using the relational tables from the database engine rather than the dimensions from analysis services.Instant Microsoft SQL Server Analysis Services 2012 Cube Security is a practical, hands-on guide that provides clear, step-by-step recipes for getting started with cube security. As a Database Administrator and Data Architect, data security is of prime concern, and this book highlights the key concepts of securing cubes. By the end of this book, you will understand the SQL Server security model and how to effectively implement the same on the data platform.Security is paramount within a data platform, and thankfully, the issues surrounding data access can be fixed in the initial stages of its design. This allows you to avoid any breach of data access layers. The recipes in this book consist of the required ingredients to implement and administer OLAP & BI security management for your cubes. With this book, you will master the key aspects of implementing and managing security essentials and securing data layers.The recipes in this book incorporate best practice implementation, which include step-by-step instructions for creating models that implement security based on the currently logged on Windows user name or based on custom data passed to analysis services. The new BI platform features will help end users, business users, and technology users by providing a robust environment for IT, planning, budgeting, forecasting with scorecards, and reporting capabilities for the business users. These analytics will help end users to create a comprehensive management application to view the data with ease.