Tutorial by Topics: ls

lm(formula, data, subset, weights, na.action, method = "qr", model = TRUE, x = FALSE, y = FALSE, qr = TRUE, singular.ok = TRUE, contrasts = NULL, offset, ...) ParameterMeaningformulaa formula in Wilkinson-Rogers notation; response ~ ... where ... contains terms corresponding to v...

:symbol :'symbol' :"symbol" "symbol".to_sym %s{symbol} Advantages of using symbols over strings: 1. A Ruby symbol is an object with O(1) comparison To compare two strings, we potentially need to look at every character. For two strings of length N, this will requir...

In the basic case, a model is Python class that maps to a single database table. The attributes of the class map to columns in the table and an instance of the class represents a row in database table. The models inherit from django.db.models.Model which provides a rich API for adding and filtering ...

Visual Studio is an Integrated Development Environment (IDE) from Microsoft. It enables the developer to work project orientated with various types of projects, including Windows Forms, Console Applications, Office Plug-Ins, and Windows Universal Apps. The IDE supports various programming languag...

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...

IdentifierName [arguments] Call IdentifierName[(arguments)] [Let|Set] expression = IdentifierName[(arguments)] [Let|Set] IdentifierName[(arguments)] = expression ParameterInfoIdentifierNameThe name of the procedure to call.argumentsA comma-separated list of arguments to be passed to the p...

structure: /* code */ endstructure; When mixing the alternative structure for switch with HTML, it is important to not have any whitespace between the initial switch($condition): and first case $value:. Doing this is attempting to echo something (whitespace) before a case. All control stru...

sails.js is an MVC (Model View Controller) web framework for node.js that emulates familiar MVC frameworks like Ruby on Rails. sails.js is based on Express and provides websocket support via socket.io. sails.js provides a set of conventions and default configurations to quickly get a new website ...

const IDENTIFIER: type = constexpr; static [mut] IDENTIFIER: type = expr; lazy_static! { static ref IDENTIFIER: type = expr; } const values are always inlined and have no address in memory. static values are never inlined and have one instance with a fixed address. static mut values a...

A channel contains values of a given type. Values can be written to a channel and read from it, and they circulate inside the channel in first-in-first-out order. There is a distinction between buffered channels, which can contain several messages, and unbuffered channels, which cannot. Channels are...

This section provides an overview of what google-chrome-devtools is, and why a developer might want to use it. It should also mention any large subjects within google-chrome-devtools, and link out to the related topics. Since the Documentation for google-chrome-devtools is new, you may need to c...

Grails is a very powerful rapid application development (RAD) framework, for the Java platform aimed at multiplying developers’ productivity thanks to a Convention-over-Configuration, sensible defaults and opinionated APIs. It integrates smoothly with the JVM and the Groovy language allowing you t...

Set - The operator used to set a reference to an object, such as a Range For Each - The operator used to loop through every item in a collection Note that the variable names r, cell and others can be named however you like but should be named appropriately so the code is easier to underst...

import itertools

For more information, visit the official documentation at http://getbootstrap.com/javascript/#carousel, where the basic HTML and Javascript usage examples and information are derived from. It should be noted that carousels do not function correctly in IE 9 and earlier due to the use of CSS3 trans...

Android has a dedicated XML namespace intended for tools to be able to record information in XML file. The namespace URI is : http://schemas.android.com/tools and is usually bound to the tools: prefix.