When you use progressive enhancement, newer CSS features enhance the basic content

A. for users of older browsers only
B. for users of modern browsers only
C. for users of all browsers
D. for users of mobile browsers only

Answer: B

Computer Science & Information Technology

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Given the class definition and associated code.

a) Modify the code implementing the operator[] to throw an int exception if the index is out of the declared array range. The exception object is to have the value of the out-of-range index. Be sure you add an exception specification to the operator function. b) Modify the code in main that calls operator[] to catch the exception and terminate the program using exit(1). ``` #include using namespace std; class intVec { public: intVec(); intVec(int n); // other members int& operator[](int index); private: int* v; int size; }; intVec::intVec(int n): v(new int[n]) { for (int i=0; i < n; i++) v[i] =0; } int& intVec::operator[](int index) { return v[index]; } int main() { intVec myVec(10); { //Block enclosing "for" is because VC++ does not //define for loop control variables inside the //"for" loop block as the C++ Standard requires for(int i = 0; i < 10; i++) myVec[i] = (i-5)*(i-5); } { for(int i = 0; i < 10; i++) cout << myVec[i] << " "; cout << endl; } int i = -1; cout << "accessing myVec[" << i << "]" << endl; cout << myVec[i] << endl; return 0; } ```

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Computer Science & Information Technology

Using the concept of dynamic method invocation, where would the program first look for a method?

A. The current class B. The superclass C. The root class D. The program must explicitly state which class to check first

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Computer Science & Information Technology

Movie clip symbols are Flash movies that are nested within another movie.

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

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Computer Science & Information Technology

Which of the following steps in an extract-transform-load (ETL) process updates an existing data warehouse with the data obtained from the extract and transform steps?

a. Transform b. Compress c. Load d. Extract

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Computer Science & Information Technology