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If any of the parameters in the chain of fallback values (in the first construct) have been set to an empty value (or only whitespace) in the template call, then that empty value will be used instead of "falling back" to the next parameter in the chain. So, for example, if the template is called in either of these two ways:
If-then-else flow diagram A nested if–then–else flow diagram. In computer science, conditionals (that is, conditional statements, conditional expressions and conditional constructs) are programming language constructs that perform different computations or actions or return different values depending on the value of a Boolean expression, called a condition.
The detailed semantics of "the" ternary operator as well as its syntax differs significantly from language to language. A top level distinction from one language to another is whether the expressions permit side effects (as in most procedural languages) and whether the language provides short-circuit evaluation semantics, whereby only the selected expression is evaluated (most standard ...
The biconditional is true in two cases, where either both statements are true or both are false. The connective is biconditional (a statement of material equivalence), [2] and can be likened to the standard material conditional ("only if", equal to "if ... then") combined with its reverse ("if"); hence the name. The result is that the truth of ...
In logic and mathematics, necessity and sufficiency are terms used to describe a conditional or implicational relationship between two statements.For example, in the conditional statement: "If P then Q", Q is necessary for P, because the truth of Q is guaranteed by the truth of P.
Two Republicans who were thought to be wavering on Gabbard’s nomination, Sens. Mitch McConnell (R-Ky.) and John Curtis (R-Utah), both voted to advance her nomination on the Senate floor Monday.
Lowe was then placed on life support for two months, during which a feeding tube was inserted, according to court documents obtained by PEOPLE. "I had tubes everywhere," she recalled to FOX6 ...
In other words, someone could interpret the previous statement as being equivalent to either of the following unambiguous statements: if a then { if b then s1 } else s2 if a then { if b then s1 else s2 } The dangling-else problem dates back to ALGOL 60, [1] and subsequent languages have resolved it in various ways.