To refer to a single element of a hash, you use the $ character before the variable name, followed by the key associated with the value in ____.

A. parentheses
B. curly brackets
C. square brackets
D. angle brackets


Answer: B

Trades & Technology

You might also like to view...

_______________ _______________ occurs when there is high impeller speed and low turbine speed.?

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

The sending unit in a typical fuel gauge uses which of these devices?

A) Zener diode B) Diaphragm C) Float D) Fixed resistor

Trades & Technology

In order for combustion to occur, there must be _____

a. fuel, CO2, and ignition b. radiation, conduction, and convection c. fuel, oxygen, and aldehyde d. fuel, heat, and oxygen

Trades & Technology

The production of portland cement involves only one simple process.

Answer the following statement true (T) or false (F)

Trades & Technology