Tutorial by Topics: i

Functions and subroutines, in conjunction with modules, are the tools to break down a program into units. This makes the program more readable and manageable. Each one of these units can be thought of as part of the code that, ideally, could be compiled and tested in isolation. The main program(s...

We all know them, but these practices are far less obvious to someone starting to program in VBA.

A pointer is a type of variable which can store the address of another object or a function. <Data type> *<Variable name>; int *ptrToInt; void *ptrToVoid; /* C89+ */ struct someStruct *ptrToStruct; int **ptrToPtrToInt; int arr[length]; int *ptrToFirstElem = arr; /* For <C99...

Bluemix is a platform as a service (PaaS) developed by IBM, to build, run, deploy, and manage applications on the cloud. Bluemix offers a large catalog of services to integrate with your applications. Supported programming languages and runtimes include Java, Node.js, Swift, Go, PHP, Python, and R...

Conditional expressions, involving keywords such as if, elif, and else, provide Python programs with the ability to perform different actions depending on a boolean condition: True or False. This section covers the use of Python conditionals, boolean logic, and ternary statements. <expressi...

Microsoft Dynamics CRM SDK allows developers to extend the Microsoft Dynamics CRM product, add new functionalities and meet requirements. The SDK allows you to operate and communicate with the platform programmatically through web service messages, as well as to add custom code components like pl...

HTTP for Humans Requests is the only Non-GMO HTTP library for Python, safe for human consumption. Requests allows you to send organic, grass-fed HTTP/1.1 requests, without the need for manual labor. There's no need to manually add query strings to your URLs, or to form-encode your POST data. K...

$response = wp_remote_get( $url, $args ); $response = wp_remote_post( $url, $args ); $response = wp_safe_remote_post( $url, $args ); ParameterDetails$url(string) (Required) Site URL to retrieve.$args(array) (Optional) Request arguments. Returns (WP_Error | array) The response as an ar...

String functions perform operations on string values and return either numeric or string values. Using string functions, you can, for example, combine data, extract a substring, compare strings, or convert a string to all uppercase or lowercase characters. CONCAT ( string_value1, string_value...

NGINX is pronounced like "engine x" and is commonly used as a high performance server for protocols HTTP, HTTPS, SMTP, POP3 and IMAP. It can be used as a reverse proxy server, HTTP cache or load balancing. It is an open source project with source available here. VersionOriginal rele...

This section provides an overview of what Azure Service Bus is, and why a developer might want to use it. It should also mention any large subjects within Azure Service Bus, and link out to the related topics. Since the documentation for Azure Service Bus is new, you may need to create initial ve...

This topic covers matching string patterns, as well as extracting or replacing them. For details on defining complicated patterns see Regular Expressions. grep("query", "subject", optional_args) grepl("query", "subject", optional_args) gsub(&...

The Option<T> type is Rust's equivalent of nullable types, without all the issues that come with it. The majority of C-like languages allow any variable to be null if there is no data present, but the Option type is inspired by functional languages which favour 'optionals' (e.g. Ha...

XSLT (XSL Transformations, Extensible Stylesheet Language Transformations) is a programming language that is based on XML and whose purpose is to manipulate and transform XML. It is a functional programming language and a W3C standard. Using XSLT you can transform one or more XML documents into a ...

The official Retrofit page describes itself as A type-safe REST client for Android and Java. Retrofit turns your REST API into a Java interface. It uses annotations to describe HTTP requests, URL parameter replacement and query parameter support is integrated by default. Additionally, it provides ...

A run is a consecutive sequence of repeated values or observations. For repeated values, R's "run-length encoding" concisely describes a vector in terms of its runs. Consider: dat <- c(1, 2, 2, 2, 3, 1, 4, 4, 1, 1) We have a length-one run of 1s; then a length-three run of 2s; the...

This section provides an overview of what racket is, and why a developer might want to use it. It should also mention any large subjects within racket, and link out to the related topics. Since the Documentation for racket is new, you may need to create initial versions of those related topics. ...