Pragmatic programmers jul 2026 (2 risultati)

Taschenbuch. Condizione: Neu. Neuware - Don't make the mistakes most people make when optimizing your database.It's easy to get something working with SQL but getting it working well requires skill and experience. Rather than learning by trial and error, let renowned database expert Bill Karwin give you the benefit of his years of experience as he shows you the mistakes people make and how to fix them.Dig into SQL language issues rarely covered in other books. Learn advanced queries such as relational division, efficient pagination, and pivoting. Explore tradeoffs in optimization, including denormalization, JSON, and choosing SQL versus NoSQL. Turn mistakes into successes by employing SQL in application design: transactions, polling, and object-relational mapping. Finally, take a deep dive into scaling out with sharded databases.This book contains fourteen all-new topics, making it a valuable complement to SQL Antipatterns Volume 1. In each chapter, you'll learn how to recognize one type of common pitfall, and how to solve it. Examples use the current popular combination of PostgreSQL and Python, but the principles apply to any modern database and language. Like the first volume, this book also includes a selection of mini-antipatterns, or brief tips you can use for quick wins.Optimize SQL the right way and graduate from journeyman to senior database developer.…

Taschenbuch. Condizione: Neu. Neuware - Write better, clearer, more focused Ruby code by becoming truly fluent in the language. As a Ruby programmer, you know how powerful and expressive it is. But do you really know how to make the most of that power, and how to use it to express your ideas succinctly and clearly. Do you know how to metaprogram; to create code that expresses your problem domain Do you use modern tools to check your style, and even to check your types Do you know the four distin ct uses of Ruby blocks Ruby is an easy programming language to learn, but to gain the fluency needed to write great Ruby code, you need to break old habits. Start thinking about code the way experienced Ruby programmers do. Grok how they solve problems. Dig below the what to the why of Ruby conventions. Thoroughly updated to reflect modern Ruby usage and with new chapters covering pattern matching and concurrency, Eloquent Ruby, Second Edition will help you take advantage of the power and flexibility of the Ruby programming language.…