Assertion: variable | /r/HasProperty | declared
Facets:
value: many times
type: TEMPORAL
value: by starting the variable name
type: MANNER
value: locally
type: LOCATION
value: according to the ways
type: OTHER
Source sentences:
text: Instance variables are declared by starting the variable name with one @ sign.
text: Try the following example, where variables have been declared at the top, but they have been defined and initialized inside the main function −
text: There are different ways variables can be described according to the ways they can be studied, measured, and presented.
text: These variables are declared by starting the variable name with neither $ nor @ , as well as not capitalizing the entire variable name.
text: To avoid wasting such space, compilers often warn programmers if a variable is declared but not used.
text: Some programming languages require variables to be declared before they can be used, while others allow variables to be created on the fly.
text: Before they are used, all variables have to be declared.
text: Variables do not have to be initialized (assigned a value) when they are declared, but it is often useful.
text: Variables may be initialized (assigned a starting value) when they are declared or not.
text: Once variables have been declared, they can be defined by setting the variable equal to the value one wishes to store with the assignment operator (single equal sign).
text: When a variable is declared, the compiler requires that the variable be defined elsewhere.
text: A variable may be declared many times, as long as the declarations are consistent with each other and with the definition (something which header files facilitate greatly).
text: Declaring twice triggers an error A variable should be declared only once.
text: When the variables in the example above are declared, they have an undetermined value until they are assigned a value for the first time.
text: When the variables in the example above are declared, they have an undetermined value until they are assigned a value for the first time.
text: From Java 10 it is possible to have the Java compiler infer the type of a local variable by looking at what actual type that is assigned to the variable when the variable is declared.
text: To avoid wasting such space, compilers often warn programmers if a variable is declared but not used.
text: In JavaScript, "Undefined" is a special value that represents a variable that was declared, to which a value has not yet been assigned.
text: While a variable or function may be declared many times, it is typically defined once
text: When a variable is specified as NOT NULL, you must initialize the variable when it is declared.
text: Hence variables of this scope can be declared, written to, and read, without any risk of side-effects to functions outside of the block in which they are declared.
text: When a variable is defined, the compiler allocates memory for that variable and possibly also initializes its contents to some value.
text: When a variable is declared, the compiler requires that the variable be defined elsewhere.
text: To show all the places where the variable is defined and used, select it.
text: As this variable is only locally defined, we can’t read it from another terminal (another parent).
text: Another variable, called file_count , is defined.
text: The value of a simply expanded variable is scanned once and for all, expanding any references to other variables and functions, when the variable is defined.
text: It does not contain any references to other variables; it contains their values as of the time this variable was defined.
text: Note that a variable set to an empty value is still defined, so `?=
text: It sometimes happens that you want to check whether a variable is defined or not.
text: If you want to check whether a variable is defined, but is empty, you can simply compare it against an empty string, like $VAR == '' or non-empty string $VARIABLE != "" .
text: {{#varexists:variablename }} returns 1 if the variable is already defined.
text: In talking about variables, sometimes you hear variables being described as categorical (or sometimes nominal), or ordinal, or numerical.