C Reference Book

Heterogeneous aggregate data types (the struct in C) allow related data elements to be combined and manipulated as a unit. This guide provides a useful look at the standard C programming language. Arduino language reference manual pdf. The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. How to write good modern C++: Much C++ code is writting in achaic styles, missing out on elegance, safety and performance. Herb Schildt (Mahomet, IL) is a leading authority on C and C++ and a best-selling author whose books have sold more than 2 million copies. General rules for formatting the reference list page. A complete reference to the Standard C programming language and library, including official clarifications, corrections, and amendments to the C Standard through 1995. View the PDF or the ISSUU version. C Sharp Programming is a featured book on Wikibooks because it contains substantial content, it is well-formatted, and the Wikibooks community has decided to feature it on the main page or in other places. These notes are part of the UW Experimental College course on Introductory C Programming. This document is intended for developers who want to write applications that can interact with the Google Books API. MLA Style is commonly used in the Arts and Humanities, which is why it is frequently taught in English classes. Along with dietary reference values for the intakes of nutrients by Americans and Canadians, this book presents recommendations for health maintenance and the reduction of chronic disease risk. Swift is a programming language for creating iOS, macOS, watchOS, and tvOS apps. The book is designed for programmers who already have some experience of using a modern high-level procedural programming language. This is one of the cheapest and best C/DOS programming book to Indian intellectuals who cannot afford to buy costlier books. Example: Jackson often studied mammals while in Africa (2013a, 2013b). This reference guide is marked up using AsciiDoc from which the finished guide is generated as part of the 'site' build target. C++ Programming Find out what C++ books are good and what books to avoid; C Programming There are some great books in this list, and some books for beginners. Check out CamelPhat on Beatport. These notes are part of the UW Experimental College course on Introductory C Programming. FREE delivery to your door on all orders over R350. The GNU C Library Reference Manual Sandra Loosemore with Richard M. It took three years to write and was critiqued by 12 technical reviewers and the author took every one of their comments seriously. Strunk, W, Jr, 2011, The elements of style, rev. Use Ruby, and you'll write better code, be more productive, and enjoy programming more. CSE Style Guide: End Reference Examples The Council of Science Editors (CSE) style guide is designed for the natural and physical sciences. The database contains 55,000 signature examples by 50,000. Welcome to the Sony Online Reference Book This manual is a part of Sony’s eco-friendly initiatives to hel p reduce the consumption of natural resources. Cengage leads affordable learning: digital learning platforms, college textbooks, ebooks, and an unlimited subscription to over 22,000 digital products for one price. pdf Find file Copy path mohitsshetty986 Add files via upload ee74fec Jul 9, 2016. The complete C run-time libraries for all C versions. Scientology is a twenty-first-century religion. Enjoy millions of the latest Android apps, games, music, movies, TV, books, magazines & more. Ritchie Bell Telephone Laboratories Murray Hill, New Jersey 07974 1. He spelled out the scenario in his 1980 book, Overshoot: The Ecological Basis of Revolutionary Change. The books cover all major programming languages: Ada, Assembly, Basic, C, C#. This is the index of all code examples of the book The C++ Standard Library - A Tutorial and Reference by Nicolai M. The Table of Contents summarizes the Bookmarks Menu and provides links to each chapter. By reading it you'll get in-depth coverage of the C language as well as all new features of C. I use these two book as a reference in grads very frequently. Strings are objects that represent sequences of characters. 40 years of exam preparation expertise, easy to use continuing education options, code based apprenticeship training, and effective in-house training solutions for individuals, companies, and schools. VA » Veterans Benefits Administration » Web Automated Reference Material System » 38 CFR Book C, Schedule for Rating Disabilities Web Automated Reference Material System 38 CFR Book C, Schedule for Rating Disabilities. Please try again later. The C book The Craft of Text Editing or A Cookbook for an Emacs - Craig A. In this new edition, the text has been fully revised and updated to reflect the latest developments in the field. Books related to R. This book is a very interesting reflection on the choices that were made in the creation of the language and also serves as a reference for the C++ programming language and STL and also reveals the reasons that you should use the. The conversation continues at the January 24-28, 2020 ALA Midwinter Meeting & Exhibits in Philadelphia, PA. Each reference used in your paper should be represented in the reference list (with some exceptions) Text should be 12 pt. New features included multiple inheritance, abstract classes, static member functions, const member functions, and protected members. San Diego: Baseball Press Books, 1998, 446 pp. Search the Baseball-Reference. C The Complete Reference 4th Ed Herbert Schildt[www. This quick reference book is a condensed guide to the essential data structures, algorithms, and functions provided by the C++17 Standard Library. In our opinion a typical $20. Click here to download Learn to Code with C; While C is a big step up from Python, we can’t think of a better tour guide than this plain-speaking book. Medical Reference Books for You and Your Vet. 45 CFR Chapter. Illustrations by Jean-Pierre Hébert. Serious owners and vets (especially those unfamiliar with guinea pigs) should consider purchasing one or more reference books. figure drawing reference Figure Drawing (conte stick, B) (½) Notice the boots on the first few poses. Books related to R. Head Start Program Performance Standards. You can use the Google Books API to search content, organize an authenticated user's personal library and modify it as well. While C does not support reference data types, you can still simulate passing-by-reference by explicitly passing pointer values, as in your example. His programming books have sold more than three million copies worldwide and have been translated into all major foreign languages. All Modules. The author surveys the compiler's features and tools (including a reference to every available menu option) and discusses the basics of installing it and getting it up and running. The Concise Dictionary of Art Terms is an accessible and useful A-Z, covering a wide range of terms from the visual art world, including materials, techniques, and important styles and periods. The Reader’s Digest of Books. Note that this does not correspond to the final text of any published standard, but it can be used for general unofficial reference to answer basic questions about C++. The C Programming Language (sometimes termed K&R, after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie, the latter of whom originally designed and implemented the language, as well as co-designed the Unix operating system with which development of the language was closely intertwined. property of their owners and not Sports Reference LLC. Shop our technical reference, design, and engineer books. Textbook Solutions Master the problems in your textbooks. Kudos for FreePrintable. C probably has been the most influential programming language during the last 25 years. Nmap (“ Network Mapper ”) is an open source tool for network exploration and security auditing. If you have a question about language usage, first search the hundreds of thousands of previous questions. ctypes is a foreign function library for Python. Biggest Comeback Wins in Baseball History ⚽ FBref. The Pathfinder Reference Document contains all errata to the Roleplaying Game line of products as of 9/30/2015, and errata from the Pathfinder Campaign Setting: Technology Guide as of 12/16/2014. " -- central kentucky book supply @ KY. Different compilers implement different binary layouts for classes, exception handling, function names, and other implementation details. For over 90 years people have relied on this reference work in their daily study of God's Word. "Professional C++" is the advanced manual for C++ programming. This is the online version of The C Book, second edition by Mike Banahan, Declan Brady and Mark Doran, originally published by Addison Wesley in 1991. Attention! the reference for the Arduino language. Although it is not as big a step as C++11, it contains a large number of small and valuable language and library features, which again will change the way we program in C++. Reference definition is - the act of referring or consulting. Manywords in this document are shown initalics. Books are available in the U/C Library. Whether it’s a data format like JSON, a network protocol like SMTP, a server configuration file for Apache, a PostScript/PDF file, or a simple spreadsheet macro language—ANTLR v4 and this book will demystify the process. Ebooks can be viewed on your computer and mobile devices. The ref keyword indicates a value that is passed by reference. Catholic Online is a Project of Your Catholic Voice Foundation, a Not-for-Profit Corporation. Fortunately, there are much better references available now. The 4th part describes object-oriented programming. San Diego: Baseball Press Books, 1998, 446 pp. The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should be applied. Reply Delete. IRSC students writing in these disciplines can use this guide. Member Credits: Buy Member Credits during the first 10 days of the month for only $ each and redeem them for any book on the site. Your Catholic Voice Foundation has been granted a recognition of tax exemption under Section 501(c)(3) of the Internal Revenue Code. Microsoft-specific. 3 Release 3. The C POSIX library is a language-independent library (using C calling conventions) that adds functions specific to POSIX systems. The MetaQuotes Language 4 (MQL4) is an object-oriented high-level programming language intended for writing automated trading strategies, custom technical indicators for the analysis of various financial markets. It is truly a reference - not a book which you read from cover to cover as a text. * Elsevier is a leading publisher of health science books and journals, helping to advance medicine by delivering superior education, reference information and decision support tools to doctors, nurses, health practitioners and students. Dickson, Paul, ed. Searching 3,595,398 full text articles in 4,236 titles from 131 publishers. A book, as we are defining it here, is distinguished from an edited book in that the entire text of the work is written by the same author, group of authors, or institution. To place an order or to receive additional ordering information, please call the Order Department at 1-800-374-2721. Whether it’s a data format like JSON, a network protocol like SMTP, a server configuration file for Apache, a PostScript/PDF file, or a simple spreadsheet macro language—ANTLR v4 and this book will demystify the process. It may be declared first and defined later. Easy-to-browse and ideal as a quick reference, this guide will help experienced C#, Java, and C++ programmers get up to speed with the latest version of the C# language. For example: + is an operator to perform addition. " -- central kentucky book supply @ KY. The HTML version of IUPAC "Blue Book" Nomenclature of Organic Chemistry, Pergamon Press, Oxford, 1979 and A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993), 1993, Blackwell Scientific publications. Who is InformIT. GLib provides the core application building blocks for libraries and applications written in C. Baseball Players with Last Names Starting with C. In this tutorial, you will learn about different C operators such as arithmetic, increment, assignment, relational, logical, etc. fullfreedownload. In functional programming, you will define something like: books. Also maintained here are links to some legacy information about the first edition of the book. Practical C++ Programming Teacher's Guide Introduction This guide is designed to help with the classroom presentation of the material in Pracctical C++ Programming. Great if you want to write C extensions or contribute to Ruby’s development. Welcome to the Amazon. While this book is no longer in print, its content is still very relevant today. News, Status & Discussion about Standard C++ Follow All Posts All Posts RSS. It comprises a vast body of knowledge extending from certain fundamental truths, and prime among those truths: Man is a spiritual being endowed with abilities well beyond those which he normally envisions. This ‘old version’ of the Bahá’í Reference Library will be replaced at a later date. Usborne creates engaging, innovative, accessible books for children of all ages. I guess people who is an absolute beginner will find it a little bit more advance (try getting one of those "Learning C in X days" books). In mid-2010 a change in policy by the distributors of PDR resulted in the non-renewal of the licence and the removal of Physician's Desk Reference Consumer Drug Information from the Drugs. h) C Diagnostics Library (header) (ctype. As one reviewer put. A black-and-white PDF version of this article is available in Overload 111. I set this up before there was Google or Amazon and when Yahoo was king. C Cheat Sheets C. "call by reference" Looks like there is a great book about C++ available for free. Nurses can quickly access evidence-based point-of-care resources while viewing a patient’s medical record and can link from documents within their EMR system directly to Nursing Reference Center resources. The book's organization is based on the ANSI C standard (sometimes referred to as C89) with additional material on the Microsoft extensions to the ANSI C standard. Your Catholic Voice Foundation has been granted a recognition of tax exemption under Section 501(c)(3) of the Internal Revenue Code. The C Programming Language by Brian W. The book has been made both simpler and more relevant to the programming challenges of today, such as Web search and ecommerce. Get FREE delivery to all EXCLUSIVE BOOKS stores nationwide. loading 15% Complete. Practical C++ Programming Teacher's Guide Introduction This guide is designed to help with the classroom presentation of the material in Pracctical C++ Programming. Reference works are usually referred to for particular pieces of information, rather than read beginning to e. SAGE Reference The complete guide for your research journey. [citation needed] Once someone is included in Who's Who he or she remains in it for life, so for example MPs are not removed when they leave. 5” or 15” PixelSense Display • High-speed Intel processors (dual-core and quad-core available) • Up to 1060 NVIDIA GeForce GTX graphics • Up to 17 hours of battery life • Powerful enough to run professional-grade software and play PC games • New USB-C port • Starting at 3. It may be declared first and defined later. Refdesk is a free and family friendly web site indexing and reviewing quality, credible, and current Internet reference resources. American armies and battlefields in Europe :a history, guide, and reference book /prepared by the American Battle Monuments Commission by Washington, D. This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data Program. Passing a pointer is passing an address by value. The C Standard Library is a reference for C programmers to help them in their projects related to system programming. Privacy policy; About cppreference. Function parameters and return values may be of any type. Cisco IOS Configuration Fundamentals Command Reference. Find anything that can be improved? Suggest corrections and new documentation via GitHub. Note that this does not correspond to the final text of any published standard, but it can be used for general unofficial reference to answer basic questions about C++. In general most users should not need this book as the compiler reference manual and the C programming language book cover the essentials. CRC Press is a premier global publisher of science, technology, and medical resources. To help you save even more time and effort when citing websites, books, and journal articles, Cite This For Me will automatically find reference information and fill out some of the form for you. Founded in 1883 by teachers and scholars, the Modern Language Association (MLA) promotes the study and teaching of language and literature. The Reader’s Dictionary of Authors. This book is an official publication of the State of California. This section provides reference material about C# keywords, operators, special characters, preprocessor directives, compiler options, and compiler errors and warnings. Oliphant’s book Guide to NumPy (which generously entered Public Domain in August 2008). Can't Follow ALL of the Baseball News? Try our Stathead newsletter. How to use reference in a sentence. The C book The Craft of Text Editing or A Cookbook for an Emacs - Craig A. Supreme Court Reporter (S. Musser, Gillmer J. Please note that this excludes all international deliveries. "Thinking in C++" 2/E does not pass the buck to another book. Unreal Engine 4 (UE4) is a powerful C++ engine with a full range of features used to create top-notch, exciting games by AAA studios, making it the fun way to dive into learning C++17. This reference guide is marked up using AsciiDoc from which the finished guide is generated as part of the 'site' build target. I cannot point to a single commentary with which I agree entirely. Order Your Law Books Directly from this Page! You need to learn the law before you need to use it. For help with other source types, like books, PDFs, or websites, check out our other guides. Borchet, Donald M. The Reference Library provides site visitors with effective guidance and useful resources. Among his publications, he has written two editions of a widely read book on telephone survey methodology (1987, 1993) and served as the lead editor for three books on election polling, the news media, and democracy (1991, 1995, 1999), as well as co-authoring four editions of The Voter's Guide to Election Polls (1996, 2000. In the final analysis this book is very much not worth $59. Note: Some English usage rules vary among authorities. These are usually excellent starting points for additional research. This book is a proven tutorial for those new to C++, an authoritative discussion of core C++ concepts and techniques, and a valuable resource for experienced programmers, especially those eager to. Fractured/ Retellings Fairytales. This was a compilation of thousands of ancient books by hundreds of authors. The National Academies Press (NAP) publishes authoritative reports issued by The National Academies of Science, Engineering, and Medicine (NASEM). Duker remains your go-to reference for. Harbison & G. The authors describe the C language more clearly and in more detail than in any other book. Instant and free! Create your citations, reference lists and bibliographies automatically using the APA, MLA, Chicago, or Harvard referencing styles. Eng Review books are essential aids and materials that are used by the reviewees in order for them to pass the Civil Engineering Board Examinations given by the Professional Regulations Commission. The C Book — Table of Contents This is a PDF version of a page on the GBdirect web site. com covers both C and C++ in-depth, with both beginner-friendly tutorials, more advanced articles, and the book Jumping into C++ , which is a highly reviewed, friendly introduction to C++. For example, the Associated Press (AP) Stylebook is a guide specific for news media and journalists while The Chicago Manual of Style (CMS) is used by many book publishers and writers. It is not intended to be a substitute for the exercise of professional judgment. Reply Delete. In 1985, the first edition of The C++ Programming Language was released, providing an important reference to the language, as there was not yet an official standard. This site provides values and information on firearms in a convenient online pricing guide format, and allows you to find out what your used guns are worth. The book is designed for programmers who already have some experience of using a modern high-level procedural programming language. The publications provide information about the Department of Veterans Affairs benefits policies. 11/04/2016; 2 minutes to read +1; In this article. The NIST Chemistry WebBook contains:. Leave out the URL unless the source cannot be located without it. If you are unfamiliar with (C) source code, however, this can be a daunting experience at first. Last name first, followed by author initials. Below are a few books to generate ideas and help start your research process. FREE delivery to your door on all orders over R350. Universal References in C++11. I have finally deleted my list of C++ sites. You can trust that our selection of books offers the latest on machine shop techniques and information. The C book The Craft of Text Editing or A Cookbook for an Emacs - Craig A. C also has the following specific properties:. Buy The C Programming Language (2nd Edition) 2nd by Brian W. This report provides quantitative recommendations for the intake of vitamin C, vitamin E, and selenium. Note that a range is defined as [first, last) where last refers to the element past the last element to inspect or modify. And programming books are no exception. Reference Book. It is a popular book among all other books written by Herbert Schildt. 20 — 65,815. The Reader’s Digest of Books. This authoritative reference manual provides a complete description of the C language, the run-time libraries, and a style of C programming that emphasizes correctness, portability, and maintainability. Offering warmth, protection, symbolic meaning, and personal significance, quilts have always conveyed a sense of comfort. The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should be applied. FitzGerald is published by University of Chicago Press. My library. searching, sorting, counting, manipulating) that operate on ranges of elements. This book is a proven tutorial for those new to C++, an authoritative discussion of core C++ concepts and techniques, and a valuable resource for experienced programmers, especially those eager to. Herbert Schildt is a leading authority on C#, C++, C, and Java. The book is designed for programmers who already have some experience of using a modern high-level procedural programming language. Gale's scholarly resources include databases and primary sources, as well as learning resources and products for schools and libraries. Reference definition is - the act of referring or consulting. Baseball Players with Last Names Starting with C. The Dinkum C Library Reference P. It has companies in London, New York, Sydney and Delhi. Oliphant’s book Guide to NumPy (which generously entered Public Domain in August 2008). Frequently Recommended C and C++ Books. Swift is a programming language for creating iOS, macOS, watchOS, and tvOS apps. Summary: APA (American Psychological Association) style is most commonly used to cite sources within the social sciences. This manual is strictly a reference, not a tutorial. His programming books have sold more than 3. All QML Types. His books have sold millions of copies worldwide and have been widely translated. This is the index of all code examples of the book The C++ Standard Library - A Tutorial and Reference by Nicolai M. The emphasis is on the overall design goals, practical constraints, and people that shaped C++. It holds a good deal of significance because preparing for the Class 11 exams helps pave a way towards preparing for and performing well in Class 12. fullfreedownload. The book covers most of C in detail, and does an excellent job teaching. DETAIL Reference Books, DETAIL Online Shop, Architecture Books, reference books on architecture, As indispensible reference books all construction manuals provide planners and designers with key information necessary at all stages of the work from the drafting of the design to completion of the project, including history, basic principles, technology and a selection of building examples. There must be total agreement between the two. LEGAL ENCYCLOPEDIA. Reference Books (A Sample) The Test Instruments Area is located in Doheny Library , in the Times Reading Room, near the Reference Desk. C++17 was officially standardised in December 2017, giving us - developers - a wealth of new features to write better code. The Wall Street Journal has said that an entry in Who's Who "really puts the stamp of eminence on a modern British life", and the Daily Mail has described it as "Britain's most famous reference book". Chapter Title. 0 language specification. The Arduino language is based on C/C++. As every C++ programmer knows, the language has many powerful features, but this power brings with it complexity, which in turn can make code more bug-prone and harder to read and maintain. Fortunately, there are much better references available now. It was designed to rapidly scan large networks, although it works fine against single hosts. A Virtual Reference Book Robert F. data system. Please try again later. 0 KB) View with Adobe Reader on a variety of devices. The C++ Quick Syntax Reference is a condensed code and syntax reference to the C++ programming language. All QML Basic Types. This is the home of Version Control with Subversion, a free book about the ubiquitous Apache™ Subversion® version control system and written by some of the developers of Subversion itself. GCC, the GNU Compiler Collection. Kernighan, Dennis M. Borchet, Donald M. Groups and organizations. In our opinion a typical $20. National Library of Medicine Recommended Formats for Bibliographic Citation. Elements for a reference for an image within a publication are: Person/s responsible for the image, date the image was created, Title in Italics, format, date viewed (if electronic),. Nam ut odio enim. The C Programming Language by Brian W. William Catton focussed on what follows a boom in the human population. Find anything that can be improved? Suggest corrections and new documentation via GitHub. Value and Reference Semantics; C++ function "call by value" vs. About the Language Reference¶. Use Ruby, and you'll write better code, be more productive, and enjoy programming more. You know the one, that old-book smell. Cricket reference book, published since 1864 crossword clue? Find the answer to the crossword clue Cricket reference book, published since 1864. Steele, C: A Reference Manual (5th edition), Prentice Hall, 2002. In 1985, the first edition of The C++ Programming Language was released, providing an important reference to the language, as there was not yet an official standard. The Dinkum C Library Reference P. Books are very personal things. Learn to write to the best of your ability with the industry’s best writing books covering fiction writing, nonfiction writing, professional advice on writing novels, poetry writing and more. com The Nevins version topped the pop charts in many countries, Background - Track listing. This is one of the cheapest and best C/DOS programming book to Indian intellectuals who cannot afford to buy costlier books. Mary Gibson is Professor of History at John Jay College of Criminal Justice and the Graduate Center of the City University of New York. POSIX (and the Single Unix Specification) specifies a number of routines that should be available over and above those in the C standard library proper. Need the best book to learn C#? We have now short listed for you the 10 best C# books to learn programming. It is truly a reference - not a book which you read from cover to cover as a text. Please note: the sample reference list below is only in single line spacing to conserve room on this page for display. All Namespaces. The best way to truly understand the C-API is to read the source code. In 1989, Release 2. Programmers run into parsing problems all the time. Authors who take advantage of Trafford’s Gold Seal Opportunity get their books externally critiqued by the highly respected book reviewers in the industry such as Kirkus, ForeWord Clarion, and the US Review of Books. Baseball Players with Last Names Starting with C. Each reference used in your paper should be represented in the reference list (with some exceptions) Text should be 12 pt. This part of the book describes the formal grammar of the Swift programming language. 5 million copies worldwide and have been translated into all major foreign languages. LibXL online documentation: Book class reference. (shelved 1321 times as reference) avg rating 4. 0 of C++ was released. Note that a range is defined as [first, last) where last refers to the element past the last element to inspect or modify. It presents the essential C++ syntax in a well-organized format that can be used as a handy reference. Somewhere on my bookshelf is an old book I bought which is full of images of faces in different expressions (many look very cheesy and fake). Steele, C: A Reference Manual (5th edition), Prentice Hall, 2002. 0 version - Templates, exceptions, namespaces and new casts were not yet introduced. The Citation Builder is based on the following citation manuals: American Psychological Association 6th edition; Modern Language Association 7th edition. Written by the original designers of the language. Learn to write to the best of your ability with the industry’s best writing books covering fiction writing, nonfiction writing, professional advice on writing novels, poetry writing and more. If you have a question about language usage, first search the hundreds of thousands of previous questions. "call by reference" Looks like there is a great book about C++ available for free. It contains a bounty of technical programming information, including sample code, documentation, technical articles, and reference guides. The Definitive C++ Book Guide and List. If you have any questions regarding best reference books for Class 11 CBSE, feel free to ask the question in the comment section below. This is a timeline for novels, young adult books, and eBooks in the Expanded Universe/Legends continuity. VitalSource Bookshelf is the world’s leading platform for distributing, accessing, consuming, and engaging with digital textbooks and course materials. Use the printed Operating Instructions, the Quick Setup Guide, and this online Reference Book to fully enjoy your TV. This page gives a partially annotated list of books that are related to S or R and may be useful to the R user community. Christian PDF Books. As every C++ programmer knows, the language has many powerful features, but this power brings with it complexity, which in turn can make code more bug-prone and harder to read and maintain. In addition to this document, you will want to refer to a copyofthe UNIX User Reference Manual. The home page of the National Library Service for the Blind and Physically Handicapped (NLS), U. Active 2 years, 3 months ago. By reading it you’ll get in-depth coverage of the C language as well as all new features of C. For example, the following if statement is invalid in C#:. IRSC students writing in these disciplines can use this guide. Telecom, Datacom and Networking for Non‑Engineers is the Study Guide for the TCO Certified Telecommunications Network Specialist (CTNS) telecommunications certification, and the companion reference textbook for Teracom online CTNS training courses.