The null coalescing operator is a binary operator that is part of the syntax for a basic conditional expression in several programming languages, such...

hairstyle. A similar operator is the null coalescing operator, where the boolean truth(iness) check is replaced with a check for non-null instead. This is...

navigation operator (also known as optional chaining operator, safe call operator, null-conditional operator, null-propagation operator) is a binary operator that...

supports Null coalescing operator (??). $a = $b ?? $c; /* Equivalent to */ $a = isset($b) ? $b : $c; Since version 7.4 PHP also supports Null coalescing operator...

Visual Studio 2005). The ?? operator is called the null coalescing operator and is used to define a default value for nullable value types as well as reference...

SQL function that selects the first non-null from a range of values Null coalescing operator, a binary operator that is part of the syntax for a basic...

for null values, thereby freeing code that uses them from ever having to do so. Note that the example below uses the C# Null coalescing operator to guarantee...

Elvis operator, ?:, or sometimes ?., as a shorthand binary operator IIf, inline if function McCarthy Formalism Multiplexer Null coalescing operator, ??...

non-null foo()?.bar()?.baz() ?: (the null coalescing operator) is a binary operator that returns the first operand, if non-null, else the second operand. It is...

matched regular expression the logical defined-or operator in Perl, called the null coalescing operator in other programming languages the authority indicator...

languages, string concatenation is a binary infix operator, and in some it is written without an operator. This is implemented in different ways: Overloading...

the nil value and NilClass type. Null coalescing operator Semipredicate problem Union type Unit type "Nullable Types (C#)". Msdn.microsoft.com. Retrieved...

modifier is used to handle nullable data types and ?? is the null coalescing operator. In the POSIX syntax for regular expressions, such as that used in...

virtual machine (VM) as of 2012. Don't-care term Null coalescing operator Ternary conditional operator Edsger W. Dijkstra "On a somewhat disappointing...

value is considered true, and its right operand if not Null coalescing operator, an operator in computer programming Onion routing, anonymous networking...

a number of scenarios. For example, the nullsafe operator is similar to the null coalescing operator ??, but used when calling methods. The following...

A symbol indicating a blunder in chess annotation symbols The null coalescing operator, in some programming languages Question mark (disambiguation) This...

returned. C# 8.0 introduces null-coalescing assignment, such that variable ??= otherwiseValue; is equivalent to if (variable is null) variable = otherwiseValue;...

trigraph which represents the number sign in C and C++ The null coalescing assignment operator, in some programming languages Search for "??=" on Wikipedia...

is Null. The following example demonstrates the Null result returned by using Null with the SQL || string concatenation operator. 'Fish ' || NULL || 'Chips'...

literals are null-terminated; that is to say, a trailing null character as an end-of-string sentinel: const char *p; p = "the rain in Spain"; /* null-terminated...

0 (integer types), 0.0 (floating-point types), false (boolean type), or null (reference types)... #include <iostream> class Student { public: Student(int...

length arrays. This feature leads to possibly non-compile time sizeof operator. void foo(size_t x, int a[*]); // VLA declaration void foo(size_t x, int...

Object-oriented constructors Operators Ternary conditional operator Null coalescing operators Safe navigation operators Modulo operators Evaluation strategy List...

an OutOfMemoryError, but this rarely happens. The solution to this is to null out object references. A second common reason for memory leak is the use...

compound operators so that longer lines like: variable = variable + 1 can now be written as: variable += 1 However, increment and decrement operators are not...

languages. Different languages use different symbols for the concatenation operator. Many languages use the "+" symbol, though several deviate from this. AWK...

lifted*operator propagates the null value of the operand; in Java, unboxing the null reference throws an exception. Not all C# lifted operators have been...

Object-oriented constructors Operators Ternary conditional operator Null coalescing operators Safe navigation operators Modulo operators Evaluation strategy List...

Object-oriented constructors Operators Ternary conditional operator Null coalescing operators Safe navigation operators Modulo operators Evaluation strategy List...