Just like normal variables, pointers can be declared constant. There are two different ways that pointers and const can be intermixed, and they are very easy to mix up. To declare a const pointer, use the const keyword between the asterisk and the po…
C# 7 out variables, tuples & other new features C# 7 is available on new Visual Studio 2017 and comes with some new features. I wouldn’t call them ‘revolutionary’ features, but they add on the language very well and some of them can be very helpful.…
Functions are first-class objects and they provide scope. • Can be created dynamically at runtime, during the execution of the program • Can be assigned to variables, can have their references copied to other variables, can be augmented, and, except…
This is a quick guide covering nearly all of Nemerle's features. It should be especially useful to anyone who is already familiar with C# or a similar language: Table of Contents Variables Operators Logical Operators Bit Operators Type Casts/Conversi…
Declaration of variables C++ is a strongly-typed language, and requires every variable to be declared with its type before its first use. This informs the compiler the size to reserve in memory for the variable and how to interpret its value. The s…
Classes are an expanded concept of data structures: like data structures, they can contain data members, but they can also contain functions as members. An object is an instantiation of a class. In terms of variables, a class would be the type, and…
Scopes Named entities, such as variables, functions, and compound types need to be declared before being used in C++. The point in the program where this declaration happens influences its visibility: 1. global scope:An entity declared outside any bl…
What is a namespace? A namespace defines an area of code in which all identifiers are guaranteed to be unique. By default, all variables and functions are defined in the global namespace. For example, take a look at the following snippet: 1 2 3 4 5 i…
php.net Class member variables are called "properties". You may also see them referred to using other terms such as "attributes" or "fields", but for the purposes of this reference we will use "properties". 类的变量成员叫做…
