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5 Cards in this Set
- Front
- Back
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What does the sleep command do in the compiler program for C |
Stops the calling function from running sleep(3); Sleep for 3 seconds |
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What is the Frame |
A frame is the place in memory where the local variables for a function are stored. When function is finished executing the frame is discarded. |
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Static Variable |
A static variable is like a global variable in that it is declared outside of any function. However, a static variable is only accessible from the code in the file where it was declared. So you get the non-local, “exists outside of any function” benefit while avoiding the “you touched my variable!” issue.
Hillegass, Aaron (2011-11-22). Objective-C Programming: The Big Nerd Ranch Guide (Big Nerd Ranch Guides) (p. 39). Big Nerd Ranch Guides. Kindle Edition. |
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What is the difference between a literal string and a string |
A literal string is not stored in a variable |
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How would we say about float *ptr |
We say that ptr is a variable that is a pointer to a float. It doesn’t store the value of a float; it points to an address where a float may be stored.
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