Böcker av John Whitington

In Python from the Very Beginning John Whitington takes a no-prerequisites approach to teaching a modern general-purpose programming language. Each small, self-contained chapter introduces a new topic, building until the reader can write quite substantial programs. There are plenty of questions and, crucially, worked answers and hints.Python from the Very Beginning will appeal both to new programmers, and to experienced programmers eager to explore a new language. It is suitable both for formal use within an undergraduate or graduate curriculum, and for the interested amateur.Chapters: Getting ReadyStarting OffNames and FunctionsAgain and AgainMaking ListsMore with Lists and StringsPrettier PrintingArranging ThingsWhen Things Go WrongMore with FilesThe Other NumbersThe Standard LibraryBuilding Bigger ProgramsProject 1: Pretty PicturesProject 2: Counting CaloriesProject 3: Noughts and CrossesProject 4: Photo FinishAnswers to QuestionsHints for QuestionsThe book has recently (2023) been updated with all errata and for the latest version of Python.

In Haskell from the Very Beginning John Whitington takes a no-prerequisites approach to teaching the basics of a modern general-purpose programming language. Each small, self-contained chapter introduces a new topic, building until the reader can write quite substantial programs. There are plenty of questions and, crucially, worked answers and hints.Haskell from the Very Beginning will appeal both to new programmers, and to experienced programmers eager to explore functional languages such as Haskell. It is suitable both for formal use within an undergraduate or graduate curriculum, and for the interested amateur.Chapters: Getting ReadyStarting OffNames and FunctionsUsing ScriptsCase by CaseMaking ListsTwo Ways of ThinkingSorting ThingsFunctions upon Functions upon FunctionsWhen Things Go WrongLooking Things UpMore with FunctionsNew Kinds of DataGrowing TreesThe Other NumbersBeing LazyIn and OutBuilding Bigger ProgramsThe Standard Prelude and BaseAnswers to QuestionsHints for QuestionsCoping with ErrorsIndex

At last, heres an approachable introduction to the widely used Portable Document Format. PDFs are everywhere, both online and in printed form, but few people take advantage of the useful features or grasp the nuances of this format. This concise book provides a hands-on tour of the worlds leading page-description language for programmers, power users, and professionals in the search, electronic publishing, and printing industries. Illustrated with lots of examples, this book is the documentation you need to fully understand PDF.Build a simple PDF file from scratch in a text editor Learn the layout and content of a PDF file, as well as the syntax of its objectsExamine the logical structure of PDF objects, and learn how pages and their resources are arranged into a documentCreate vector graphics and raster images in PDF, and deal with transparency, color spaces, and patternsExplore PDF operators for building and showing text stringsGet up to speed on bookmarks, metadata, hyperlinks, annotations, and file attachmentsLearn how encryption and document permissions work in PDFUse the pdftk program to process PDF files from the command line