Tutorial by Topics: d

VersionRelease Date1.0.02016-04-14

Proc.new(block) lambda { |args| code } ->(arg1, arg2) { code } object.to_proc { |single_arg| code } do |arg, (key, value)| code end Be careful about operator precedence when you have a line with multiple methods chained, like: str = "abcdefg" puts str.gsub(/./) do |mat...

Conditional expressions, involving keywords such as if, else if, and else, provide Swift programs with the ability to perform different actions depending on a Boolean condition: True or False. This section covers the use of Swift conditionals, Boolean logic, and ternary statements. For more in...

read.csv(file, header = TRUE, sep = ",", quote = """, dec = ".", fill = TRUE, comment.char = "", ...) read.csv2(file, header = TRUE, sep = ";", quote = """, dec = ",", fill = TRUE, comment.char = "", ....

Python provides both builtin methods and external libraries for creating, modifying, parsing, and manipulating dates and times.

VersionRelease Date0.6.0-dev2017-06-010.5.02016-09-190.4.02015-10-080.3.02014-08-210.2.02013-11-170.1.02013-02-14

Strings are objects that represent sequences of characters. The standard string class provides a simple, safe and versatile alternative to using explicit arrays of chars when dealing with text and other sequences of characters. The C++ string class is part of the std namespace and was standardized i...

Kotlin is a statically-typed object-oriented programming language developed by JetBrains primarily targeting the JVM. Kotlin is developed with the goals of being quick to compile, backwards-compatible, very type safe, and 100% interoperable with Java. Kotlin is also developed with the goal of prov...

import defaultMember from 'module'; import { memberA, memberB, ... } from 'module'; import * as module from 'module'; import { memberA as a, memberB, ... } from 'module'; import defaultMember, * as module from 'module'; import defaultMember, { moduleA, ... } from 'module'; import 'module'; ...

The built-in collections package provides several specialized, flexible collection types that are both high-performance and provide alternatives to the general collection types of dict, list, tuple and set. The module also defines abstract base classes describing different types of collection functi...

Classes and Objects are used to to make your code more efficient and less repetitive by grouping similar tasks. A class is used to define the actions and data structure used to build objects. The objects are then built using this predefined structure. class <ClassName> [ extends <Par...

RecyclerView addItemDecoration(RecyclerView.ItemDecoration decoration) RecyclerView addItemDecoration(RecyclerView.ItemDecoration decoration, int index) ParameterDetailsdecorationthe item decoration to add to the RecyclerViewindexthe index in the list of decorations for this RecyclerView. T...

#include <stdio.h> /* Include this to use any of the following sections */ FILE *fopen(const char *path, const char *mode); /* Open a stream on the file at path with the specified mode */ FILE *freopen(const char *path, const char *mode, FILE *stream); /* Re-open an existing stream on the...

See also separate topic on Overload Resolution Ambiguities can occur when one type can be implicitly converted into more than one type and there is no matching function for that specific type. For example: void foo(double, double); void foo(long, long); //Call foo with 2 ints foo(1, 2);...

A vector is a dynamic array with automatically handled storage. The elements in a vector can be accessed just as efficiently as those in an array with the advantage being that vectors can dynamically change in size. In terms of storage the vector data is (usually) placed in dynamically allocated me...

jQuery UI is a JavaScript UI library, built on top of jQuery, offering a set of user interface interactions, effects and widgets. VersionRelease Date1.7.02009-03-061.7.12009-03-191.7.22009-06-121.7.42010-05-041.8.02010-03-231.8.12010-05-041.8.22010-06-071.8.42010-08-101.8.52010-09-171.8.62010-...