Wei-Meng Lee - Böcker

The rapid proliferation of mobile networks for both public use and private has made connectivity-on-the-go a desirable, if not absolutely essential, condition. Nor is this mobility limited to laptops: everywhere you look, people are downloading email and other information directly to their cell phones and PDAs. For developers, this means an increased demand to create applications for mobile devices. Microsoft's .NET Compact Frameworks provides a full suite of powerful tools to help them get the job done. The .NET Compact Framework--a scaled down version of Microsoft's .NET Framework--offers a powerful programming environment for designing rich applications for the Pocket PC or Windows Mobile-based Smartphones. If you're familiar with the .NET Framework, you'll feel right at home in the .NET Compact Framework. You'll find the perfect way to jumpstart your productivity in our new .NET Compact Framework Pocket Guide. As with all of our popular Pocket Guides, this concise book delivers just the information you need without all the fluff. The .Net Compact Framework Pocket Guide provides a brief introduction to the framework and includes several projects to get you up to speed quickly.In this book you'll learn: The basics of programming for the .NET Compact Framework using Visual Studio .NET 2003; you'll be up and running with Hello, World in no time at all, User interface design considerations for the Pocket PC, Pocket PC Phone Edition, and Windows Mobile-based Smartphone, How to consume web services from .NET Compact Framework applications, How to cache on-line data for use when the mobile device is out of range of a network, How to write applications that use Bluetooth. Whether you're new to mobile programming or new to Visual Studio .NET 2003, the .NET Compact Framework Pocket Guide will teach what you need to know to get started developing mobile applications.

DuckDB is an open source in-process database created for OLAP workloads. It provides key advantages that separate this database from more mainstream OLAP solutions, including embeddability, compatibility with SQL, optimization for fast and efficient analytics, and integration with Python. This practical book shows you how DuckDB leverages Python libraries and tools for data analytics, machine learning, and AI.Author Wei-Meng Lee shows developers, data engineers, data analysts, and data scientists how to get started. You'll learn the primary features and functions of DuckDB, explore use cases and best practices, and examine practical examples of how DuckDB can be used for a variety of data analytics tasks. You'll also dive into specific topics including how to import data into DuckDB, work with tables, perform exploratory data analysis, visualize DuckDB data, perform spatial analysis, and use DuckDB with JSON files, Polars, and JupySQL.You'll also explore:The purpose of DuckDB and its main functionsHow to conduct data analytics tasks using DuckDBMethods for integrating DuckDB with pandas, Polars, and JupySQLHow to use DuckDB to query your dataWays to perform spatial analytics using DuckDB's spatial extensionHow to work with a diverse range of data including Parquet, CSV, and JSONWei-Meng Lee is a technologist and founder of Developer Learning Solutions, a company that provides hands-on training on the latest technologies.

Python makes machine learning easy for beginners and experienced developersWith computing power increasing exponentially and costs decreasing at the same time, there is no better time to learn machine learning using Python. Machine learning tasks that once required enormous processing power are now possible on desktop machines. However, machine learning is not for the faint of heart—it requires a good foundation in statistics, as well as programming knowledge. Python Machine Learning will help coders of all levels master one of the most in-demand programming skillsets in use today.Readers will get started by following fundamental topics such as an introduction to Machine Learning and Data Science. For each learning algorithm, readers will use a real-life scenario to show how Python is used to solve the problem at hand. Python data science—manipulating data and data visualizationData cleansingUnderstanding Machine learning algorithmsSupervised learning algorithmsUnsupervised learning algorithmsDeploying machine learning modelsPython Machine Learning is essential reading for students, developers, or anyone with a keen interest in taking their coding skills to the next level.

The simplest way to create world-class appsHave a unique app idea but worried you don't quite have the coding skills to build it? Good news: You can stop fretting about someone beating you to market with the same idea and start work right now using SwiftUI. SwiftUI is a gateway app development framework that has become one of the best ways for fledgling developers to get iOS apps off the ground without having to become a coding expert overnight.SwiftUI For Dummies makes that process even faster, providing a friendly introduction to the SwiftUI and Swift programming language and helping you feel right at home creating and building with playgrounds. The book also covers the frameworks and APIs that make it so easy to create smooth, intuitive interfaces—just dive right in and have fun! Combine projects into workspacesEmploy Xcode editing toolsUse constants and variablesTest your code on iOS SimulatorTime is of the essence, and with SwiftUI For Dummies, it's also on your side. Get going with this friendly guide today, and you'll be celebrating the successful launch of your app way before you thought possible!

Ready, set, program with Go! Now is the perfect time to learn the Go Programming Language. It’s one of the most in-demand languages among tech recruiters and developers love its simplicity and power. Go Programming Language For Dummies is an easy way to add this top job skill to your toolkit. Written for novice and experienced coders alike, this book traverses basic syntax, writing functions, organizing data, building packages, and interfacing with APIs. Go—or GoLang, as it’s also known—has proven to be a strong choice for developers creating applications for the cloud-based world we live in. This book will put you on the path to using the language that’s created some of  today’s leading web applications, so you can steer your career where you want to Go!  Learn how Go works and start writing programs and modules Install and implement the most powerful third-party Go packages Use Go in conjunction with web services and MySQL databases Keep your codebase organized and use Go to structure data With this book, you can join the growing numbers of developers using Go to create 21st century solutions. Step inside to take start writing code that puts data in users’ hands.

Use this book to write an Ethereum blockchain smart contract, test it, deploy it, and create a web application to interact with your smart contract. This new edition has been expanded and updated to cover web3.js APIs, additional Consensus Protocols, non-Fungible Tokens (NFTs), developing NFT tokens using ERC-721, and more!Beginning Ethereum Smart Contracts Programming, second edition is your fastest and most efficient means of getting started if you are unsure where to begin and how to connect to the Ethereum blockchain. The book begins with a foundational discussion of blockchain and the motivation behind it. From there, you will get up close and personal with the Ethereum blockchain, learning how to use an Ethereum client (geth) to create a private Ethereum blockchain to perform transactions such as sending Ethers to another account on another node. You will learn about smart contracts without having to wade through tons of documentation. Author Lee’s “learn-by-doing” approach will allow you to be productive and feel confident in your ability in no time. The last part of this book covers tokens, a topic that has taken the cryptocurrency market by storm.Sample code in Python, Solidity, and JavaScript is provided in the book and online.What You'll LearnUnderstand the basic premise of blockchain and “record keeping” in a peer-to-peer networkExperience blockchain in action by creating your own blockchain using PythonKnow the foundation of smart contracts programming and how to deploy and test smart contractsWork on a case study to illustrate the use of blockchainBe familiar with tokens, and how to create and launch your own ICO digital tokenWrite smart contracts that transact using tokensWho This Book Is ForThose who want to get started quickly with Ethereum smart contracts programming. Basic programming knowledge and an understanding of Python or JavaScript is recommended.

Sudoku is a wildly popular puzzle game. Sudoku puzzles are 9x9 grids, and each square in the grid consists of a 3x3 subgrid called a region. Your goal is to fill in the squares so that each column, row, and region contains the numbers 1 through 9 exactly once. And some squares already contain numbers or symbols, which lend clues toward the solution.Programming Sudoku provides you with great approaches to building and solving Sudoku and other similar puzzles. Using ingenious artificial intelligence and game theory techniques, you'll learn how to get a computer to solve these puzzles for you.This is a fun, intriguing read, whether you're a novice or advanced programmer. It acknowledges the .NET platform as a base, but you'll find this book interesting whatever your programming background. The core techniques in the book enable you to solve Sudoku on any programming platform.

Practical .NET 2.0 Networking Projects demonstrates some of the key networking technologies that are being made easily accessible through .NET Framework 2.0. It discusses communication between wired machines and between networks and mobile devices. The book teaches you about the technologies by walking you through sample projects in a straightforward and direct way.The book begins by discussing background theory so you'll get comfortable with the layout of the .NET Framework and Compact Framework from a networking perspective. Then you'll use the APIs within these frameworks to build a variety of cutting-edge networking applications that cover everything from Bluetooth and RFID communication to sockets programming and chat servers. You'll build working examples for each project, which you can also customize and use for your own purposes. The featured projects cover:Basic introduction to network programming in .NET 2.0 Sockets programming Serial communication Bluetooth and GPS Infrared networking to mobile devices RFID

AI libraries evolve weekly and tutorials rarely keep pace. Need a reliable playbook that simply works? Hugging Face in Action turns cutting-edge models into clear, runnable Python projects you can launch today. Inside you’ll find:  Utilizing Hugging Face Transformers and Pipelines for NLP tasks: Produce accurate NLP results without deep math or custom training. Applying Hugging Face techniques for Computer Vision projects: Detect objects and classify images using pretrained models that save months.  Manipulating Hugging Face Datasets for efficient data handling: Share data efficiently, eliminating fragile, one-off scripts. Training Machine Learning models with AutoTrain functionality: Train custom models with almost no code, accelerating experiments and proofs of concept.  Autonomous AI agents: Implement AI agents to automate tasks and integrate them into your applications.  Developing LLM-based applications using LangChain and LlamaIndex: Build retrieval-augmented chatbots that answer from your private knowledge bases.  Hugging Face in Action by Wei-Meng Lee delivers a step-by-step, project-based roadmap in print and eBook. Each chapter adds one layer of the modern Hugging Face ecosystem, reinforcing concepts through hands-on builds. Clear tips, checklists, and complete code samples help you avoid pitfalls and stay productive. You will start with simple text generation and progress to image classification, retrieval-augmented generation (RAG), and autonomous AI agents. Clear tips, checklists, and performance notes help you avoid common pitfalls while staying productive. By the end of this book, you will be ready to fine-tune models, manage datasets, and release AI features. Your solutions will remain maintainable as libraries evolve. Ideal for Python developers comfortable with NumPy or Pandas who want a fast, practical entry into applied AI.

XML Programming Using the Microsoft XML Parser is written for programmers interested in XML development using Microsoft technologies. Coupling valuable discussion of the Microsoft XML parser, Windows platform, and XML development software with the numerous core XML technologies, including XSLT, XPATH, SAX, DOM, XML Schema, and SOAP, this book steps beyond the mainstream focus on the theoretical aspects of XML and actually demonstrates the concepts in a real-world development environment. Veteran authors and trainers Soo Mee Foo and Wei Meng Lee intersperse this survey of XML technologies with discussion of topics sure to interest any budding XML developer, providing timely information regarding Web services, ActiveX Data Objects (ADO), and Microsoft SQL Server 2000 XML support. A chapter is also devoted to the Wireless Markup Language (WML), one of the most visible applications of XML technology. No question, XML is one of the rising stars in information technology. XML Programming Using the Microsoft XML Parser offers you what you need to know to get acquainted with the concepts necessary to begin development with this exciting technology.

Go ist eine der neueren Programmiersprachen, die Softwareentwickler in ihrer Werkzeugkiste haben sollten. Die Sprache wurde mit dem Ziel entwickelt, besonders gut lesbar, benutzerfreundlich und effizient zu sein, und ist eine gute Wahl für Entwickler, die Anwendungen für die Cloud erstellen. Dieses Buch zeigt Ihnen die ersten Schritte in Go. Steigen Sie ein und beginnen Sie mit dem Schreiben von Code, der Daten aus der Cloud holt und sie in die Hände der Benutzer legt.