Which of the following is NOT a key component of a social network?
A) Most profile pages include some form of blog, discussion forum, or chat room so that friends can communicate with the person profiled.
B) For most social networks, the user's profile page serves as the "home base" for most activities.
C) Many social networks include various means of user-to-user communication, including private email and one-to-one instant messaging.
D) Social networks constantly use new technology or means of communication to stay competitive.
D
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If the name of a file to open is in the string variable name fileName, which of the following will correctly open the file for output?
a. out_file.open(fileName); b. out_file.open("fileName"); c. fileName.open(outfile); d. out_file.open(fileName.c_str());
You can use the ____ method to remove any spaces that appear before and after the data in the variable.
A. Trim B. Left C. Right D. RmPad
Which of the following is false?
a. A static method must be used to access private static instance variables. b. A static method has no this reference. c. A static method can be accessed even when no objects of its class have been instantiated. d. A static method can call instance methods directly.
Patents last for ________.
(a) 20 years (b) 75 years (c) the life of the author (d) the life of the author plus 70 years