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Turn your R code into packages that others can easily download and use. This practical book shows you how to bundle reusable R functions, sample data, and documentation together by applying author Hadley Wickham’s package development philosophy. In the process, you’ll work with devtools, roxygen, and testthat, a set of R packages that automate common development tasks. Devtools encapsulates best practices that Hadley has learned from years of working with this programming language. Ideal for developers, data scientists, and programmers with various backgrounds, this book starts you with the basics and shows you how to improve your package writing over time. You’ll learn to focus on what you want your package to do, rather than think about package structure. Learn about the most useful components of an R package, including vignettes and unit tests Automate anything you can, taking advantage of the years of development experience embodied in devtools Get tips on good style, such as organizing functions into files Streamline your development process with devtools Learn the best way to submit your package to the Comprehensive R Archive Network (CRAN) Learn from a well-respected member of the R community who created 30 R packages, including ggplot2, dplyr, and tidyr
Python Packages introduces Python packaging at an introductory and practical level that’s suitable for those with no previous packaging experience. Despite this, the text builds up to advanced topics such as automated testing, creating documentation, versioning and updating a package, and implementing continuous integration and deployment. Covering the entire Python packaging life cycle, this essential guide takes readers from package creation all the way to effective maintenance and updating. Python Packages focuses on the use of current and best-practice packaging tools and services like poetry, cookiecutter, pytest, sphinx, GitHub, and GitHub Actions. Features: The book’s source code is available online as a GitHub repository where it is collaborated on, automatically tested, and built in real time as changes are made; demonstrating the use of good reproducible and clear project workflows. Covers not just the process of creating a package, but also how to document it, test it, publish it to the Python Package Index (PyPI), and how to properly version and update it. All concepts in the book are demonstrated using examples. Readers can follow along, creating their own Python packages using the reproducible code provided in the text. Focuses on a modern approach to Python packaging with emphasis on automating and streamlining the packaging process using new and emerging tools such as poetry and GitHub Actions.
Vols. 13-62 include abridged annual reports and proceedings of the annual meetings of the American Missionary Association, 1869-1908; v. 38-62 include abridged annual reports of the Society's Executive committee, 1883/84-1907/1908.
'Fitzek's thrillers are breathtaking, full of wild twists' HARLAN COBEN Emma's the one that got away. The only survivor of a killer known in the tabloids as 'the hairdresser' – because of the trophies he takes from his victims. Or she thinks she was. The police aren't convinced. Nor is her husband. She never even saw her tormentor properly, but now she recognises him in every man. Questioning her sanity, she gives up her job as a doctor in the local hospital and retreats from the world. It is better to stay at home. Quiet. Anonymous. Safe. No one can hurt her here. And all she did was take a parcel for a neighbour. She has no idea what she's let into her home. 'Sebastian Fitzek is without question one of the crime world's most evocative storytellers. He always serves up an intense, impossible to put down thriller and The Package is no exception. A gripping read with a surprising twist, this one is not to be missed' KARIN SLAUGHTER 'Sebastian Fitzek is simply amazing. I truly hope that one day I will be able to create suspense and plot twists in the way only Sebastian can. A true Master of his craft' CHRIS CARTER Sebastian Fitzek is Germany's most successful author. His books have sold 13 million copies, been translated into more than thirty-six languages and are the basis for international cinema and theatre adaptations. Sebastian Fitzek was the first German author to be awarded the European Prize for Criminal Literature. He lives with his family in Berlin. Coming soon: PASSENGER 23
Apply design principles to your classes, preparing them for reuse. You will use package design principles to create packages that are just right in terms of cohesion and coupling, and are user- and maintainer-friendly at the same time. The first part of this book walks you through the five SOLID principles that will help you improve the design of your classes. The second part introduces you to the best practices of package design, and covers both package cohesion principles and package coupling principles. Cohesion principles show you which classes should be put together in a package, when to split packages, and if a combination of classes may be considered a "package" in the first place. Package coupling principles help you choose the right dependencies and prevent wrong directions in the dependency graph of your packages. What You'll LearnApply the SOLID principles of class designDetermine if classes belong in the same packageKnow whether it is safe for packages to depend on each other Who This Book Is For Software developers with a broad range of experience in the field, who are looking for ways to reuse,share, and distribute their code