What type of CentOS 7 system-related tasks is the /proc file system used for?
What will be an ideal response?
You can use the /proc file system for the following types of system-related tasks:
* Performance and memory information
* Viewing and modifying run-time parameters
* Viewing hardware information
* Viewing and modifying network parameters
* Viewing statistical information
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Which one of the following would correctly complete the class definition above?
``` Class Matrix { public: Matrix() {} private: int rows; int cols; // Completion goes here } ``` a. int mat[][]; b. int mat[rows][cols]; c. int mat[][cols]; d. int mat[6][6];
What happens at line 2?
``` 1 string s = “math is fun!”; 2 int f = s.at(0) 3 int t = s.size(); 4 int n = s.at(5); 5 int y = s.at(s.5); ``` A. The value of f is m. B. The value of f is [] (empty set). C. The program will not compile. D. The program crashes when it runs.
Why don't we see red, green, and blue spots at each position in our picture?
What will be an ideal response?
x/4 =2x/ 8
Use cross multiplication to • determine the value(s) of x that will make the equation true, or • determine that any value of x will make the equation true, or • determine that any value of x, except zero, will make the equation true, or • determine that no value of x will make the equation true. x/4 =2x/ 8