You can improve the efficiency of a program by leaving a loop as soon as a match is found in the array.
Answer the following statement true (T) or false (F)
True
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The [:alpha:] in the expression indicates:
``` preg_match("/\b(car[[:alpha:]]+)\b/i", $string) ``` a. the pattern searched for must be in the alphabet b. the search is in the alphanumeric character class c. the search is only for lowercase letters d. all of the above are true
The intersection of each row and column is called a(n) ____.
A. place holder B. object C. cell D. box
_____ are used to store data that can be used, modified, or displayed during the execution of a procedure.?
A. ?Variables B. ?Constructs C. ?Arguments D. ?Dimensions
_____ measures actual system performance under specific circumstances and is affected by network loads and hardware efficiency.
A. Throughput B. Resolution C. Dimensionality D. Latency