Two approaches are:
Echo $$
Ps
Answer:
1. 5
2. Because they let us quickly process the contents of an array, which have many values.
Explanation:
In a file extension, it tells what type of file it is and tells what compiler to run the code.
Answer:
inFile.open("progdata.dat");
Explanation:
This command opens the file which is passed to it as an argument. We are quite used to the C++'s cin and cout functions contained in iostream library for reading and writing data, however, when working will real-life stuff, we find ourselves working with huge data saved as separate files and require our programs to read them, manipulate them and possibly write back to the files... The first operation usually carried out before a file can be read or written to is open
