Steven Keller

This book is an exploration of JavaScript Standard Object Notation (JSON). Most of you might have heard about it, and it is used for displaying data on web browsers. JSON supports conversions. This means that we are able to convert data from one format to another format. For instance, we can convert JSON objects into some JavaScript strings, and the vice versa is true.This book guides you on how to do this. You can also do conversions between Java and JSON, that is, convert Java code to JSON and JSON code to Java code. This can be accomplished by use of the GSON tool. This book guides you on how to use this tool for that purpose. When programming in Python, you will often need to retrieve data. In such a case, you can make use of JSON so as to accomplish this purpose. This book also explores this in detail. The Model-View-Controller model is also supported in JSON. This book guides you on how to implement such architecture with JSON in your applications. We can also work with views, using both XML and JSON. You will learn how to do this. You will also learn how to combine JSON with Android and Go. The following topics are discussed in this book: - Conversions in JSON- Storage and Retrieval of Data in Python with JSON- The Model-View-Controller (MVC)- JSON Web Service- XML and JSON Views- Android and JSON- JSON and G

This book is an exploration of the R programming language. It begins by explaining to you the main uses of the R programming language and where it is normally applied. You are then guided on how to setup the programming environment, both on Windows and Linux. The various data types available in R are discussed, and you will learn how to define and use all of these. Variables, which are of great utility in any programming language are explored, thus, you will learn how to define variables in R. The R programming language supports decision-making. The various decision-making statements which are supported in this language are examined. Loops are also of great importance when we are drawing graphs and charts in R. They specify a section of code which is to be executed a number of times. These have been explored in this book in detail. Functions, which are good for the grouping of code are explored, along with order strings, vectors, and lists, which are the data types of great importance in R. Matrices represent a data type which can be used for storing data in a number of dimensions. This book explores the use of matrices in R, thus, you will know how to work with these. Arrays, which are more advanced than matrices have also been discussed. The book also guides you on how to work with factors and data frames.The following topics are discussed in this book: -A Brief Overview of R Programming-Setting up the Environment-Data Types in R-Variables-Decision Making-Loops-Functions-Strings-Vectors-Lists-Matrices-Arrays-Factors-Data Frame

This guide is an exploration of the Go programming language version 1.6. It begins by explaining to the user about the Go programming language so that they can learn the purposes for which it can be used, as well as where it originated from. Go 1.6 supports a feature known as concurrent programming in which several tasks can be carried out simultaneously. This book guides you on how to fetch URLs concurrently in Go 1.6. In this case, you will learn how to fetch more than one URL at the same time in Go programming language. The HTTP/2 protocol which is now supported in Go programming language is explored. You will learn how to create a HTTP/2 server in Go programming and establish a connection to it from the Go client. Template blocks, which are very useful when programming in Go programming language have been explored in detail, thus, you will learn how to work with them. The feature known as "Language Matching" in Go is also examined. The process of sorting has been advanced in Go 1.6, thus, you will learn the new techniques which are employed. The following topics are discussed: -Overview-Fetching URLs Concurrently-HTTP/2 and Go-Template Blocks-Language Matching -Sorting-Package Reflect-Tools