If you embed a Tweet on a page that already includes a Tweet button, why do you delete thescriptelement that's part of the embedded tweet code?

A. Twitterscriptelements are never needed.
B. You only need the Twitterscriptelement once per page.
C. You can achieve the same effect with a bit of CSS code.
D. It's more efficient to manually download and link the JavaScript file.

Answer: B

Computer Science & Information Technology

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______________ testing is used to test the interactions between different functions in a program.

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Show the output of the following code.

``` #include using namespace std; class Parent { public: virtual void f() { cout << "invoke f from Parent" << endl; } }; class Child: public Parent { public: void f() { cout << "invoke f from Child" << endl; } }; void p(Parent a) { a.f(); } int main() { Parent a; a.f(); p(a); Child b; b.f(); p(b); return 0; } ```

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The Themes group is located on the ________ tab

A) Edit B) Format C) Insert D) Design

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The ____________________ order imposes an order on elements based on any criterion you choose.

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