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Spreadsheets are used daily by millions of people for tasks that range from organizing a list of addresses to carrying out complex economic simulations. Spreadsheet programs are easy to learn and convenient to use because they have a clear visual model and a simple efficient underlying computational model. Yet although the basic spreadsheet model could be extended, improved, or otherwise experimented with in many ways, there is no coherently designed, reasonably efficient open source spreadsheet implementation that is a suitable platform for such experiments. This book fills the gap, teaching users how to experiment with and implement innovative spreadsheet functionality and introducing two software platforms for doing so. Along the way, it draws on and illustrates software technologies and computer science topics that range from object-oriented programming to compiler technology. Spreadsheet Implementation Technology surveys a wide range of information about spreadsheets drawn from user experience, the scientific literature, and patents. After summarizing the spreadsheet computation model and the most important challenges for efficient recalculation, the book describes Corecalc, a core implementation of essential spreadsheet functionality suitable for practical experiments, and Funcalc, an extension of Corecalc that allows users to define their own functions without extraneous programming languages or loss of efficiency. It also shows the advantages of automatic function specialization and offers a user's manual for Funcalc. The Corecalc and Funcalc software is downloadable free of charge.

Electronic spreadsheets --- Functional programming (Computer science) --- Object-oriented methods (Computer science) --- Computer programs. --- COMPUTER SCIENCE/Programming Languages --- COMPUTER SCIENCE/General

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Object-Oriented Analysis and Design for Information Systems clearly explains real object-oriented programming in practice. Expert author Raul Sidnei Wazlawick explains concepts such as object responsibility, visibility and the real need for delegation in detail. The object-oriented code generated by using these concepts in a systematic way is concise, organized and reusable. The patterns and solutions presented in this book are based in research and industrial applications. You will come away with clarity regarding processes and use cases and a clear understand of how to expa

Application software -- Development. --- Computer software -- Development. --- Object-oriented methods (Computer science). --- UML (Computer science). --- Object-oriented methods (Computer science) --- Engineering & Applied Sciences --- Computer Science --- Object development methods (Computer science) --- Object orientation (Computer science) --- Object-oriented development (Computer science) --- Object technology (Computer science) --- System design

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This book is designed for people with some experience in basic programming practices. It is also assumed that they have some basic experience using R and are familiar using the command line in an R environment. Our primary goal is to raise a beginner to a more advanced level to make him/her more comfortable creating programs and extending R to solve common problems.

Object-oriented programming (Computer science) --- R (Computer program language) --- Computer programming --- Object-oriented methods (Computer science) --- Document Object Model (Web site development technology) --- GNU-S (Computer program language) --- Domain-specific programming languages

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Written as a workbook with a set of guided exercises that teach by example, this book gives a practical, hands-on guide to using UML to design and implement embedded and real-time systems. A review of the basics of UML and the Harmony process for embedded software development: two on-going case examples to teach the concepts, a small-scale traffic light control system and a large scale unmanned air vehicle show the applications of UML to the specification, analysis and design of embedded and real-time systems in generalA building block approach: a series of progr

Embedded computer systems -- Programming. --- Object-oriented methods (Computer science). --- Real-time data processing. --- UML (Computer science) --- Real-time programming --- Embedded computer systems --- Engineering & Applied Sciences --- Computer Science --- Programming --- Object-oriented methods (Computer science) --- Programming. --- Object development methods (Computer science) --- Object orientation (Computer science) --- Object-oriented development (Computer science) --- Object technology (Computer science) --- System design --- Fast-response data processing --- High-speed data processing --- Electronic data processing --- 681.3*D47 --- 681.3*D47 Organization and design: batch processing systems; distributed systems; hierarchical design; interactive systems; real-time systems (Operating systems) --- Organization and design: batch processing systems; distributed systems; hierarchical design; interactive systems; real-time systems (Operating systems)

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Need a quick and easy to understand introduction to MongoDB and NoSQL databases? MongoDB Basics, from The Definitive Guide to MongoDB, 2E, shows you how a document-oriented database system differs from a relational database, and how to install and get started using it. You'll also learn MongoDB design basics, including geospatial indexing, how to navigate, view, and query your database, and how to use GridFS with a bit of Python.

Open source software. --- Object-oriented databases. --- MongoDB. --- Free software (Open source software) --- Open code software --- Opensource software --- Computer software --- Object-oriented data bases --- Databases --- Object-oriented methods (Computer science) --- Database management. --- Database Management. --- Data base management --- Data services (Database management) --- Database management services --- DBMS (Computer science) --- Generalized data management systems --- Services, Database management --- Systems, Database management --- Systems, Generalized database management --- Electronic data processing