useRef allows referencing values not needed for rendering. Returns ref object with current property initialized to initialValue. InitialValue parameter is ignored after initial render
Pointers hold memory addresses and are denoted by asterisk (*). References provide aliases to variables and are declared with ampersand (&). Dereference operator (*), and address-of operator (&), are fundamental in C++
Essays should be typed on 8.5" x 11" paper with 1" margins. Use 12 pt Times New Roman font. Include page header with page numbers and "TITLE OF YOUR PAPER". Page header should be flush left with "TITLE OF YOUR PAPER"
CV references help recruiters verify candidate character and skills. 85% of employers have caught applicants lying on CVs. References provide information about relationship and work performance
1" margins across all sides. Acceptable fonts: 12pt Times New Roman, 11pt Arial/Calibri/Georgia, 10pt Lucida. Left-aligned text throughout. Double spacing throughout. First line indented 1/2" or .5 from left margin
Composition is a "belongs-to" relationship where one object contains another. Containing object owns its members and their lifecycles are tied. UML shows composition with diamond symbol at containing object. Java uses non-static inner classes to model composition