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Can one pointer subtracted from another pointer?
yes
What is generic pointer in C?
When a variable is declared as being a pointer to type void it is known as a generic pointer. Since you cannot have a variable of type void, the pointer will not point to any data and therefore cannot be dereferenced. It is still a pointer though, to use it you just have to cast it to another kind of pointer first. Hence the term Generic pointer.
How many type of pointer in c?
A pointer is a pointer to something else. One way to look at it is that there is only one pointer type - an address to something else. Another way to look at it is to see how many different types there are, such as int, char, float, struct, double, etc. and to realize that you can build a pointer to any of them, as well as a pointer to a pointer to any of them, etc., etc., etc. Bottom line, is there are an unlimited number of types of pointers.
What is triple pointer?
Example: int x; -- integer int *px= &x; -- pointer to integer int **ppx= &px; -- pointer to pointer to integer int ***pppx= &ppx; -- pointer to pointer to pointer to integer
What is thread pointer?
It is a pointer.You can pass a smart pointer from one thread to another, and the two threads are free to use their smart pointers just as they were native pointers. They can copy them, assign them, and do whatever they want with them, and the smart pointer will not get you into trouble.
Where would you see the least number of circumpolar stars?
At the equator, you will see no circumpolar stars.
How many circumpolar stars would you see if standing on the equator?
Standing on the equator, you would not see any circumpolar stars. Circumpolar stars are those that never dip below the horizon, and they can only be seen from latitudes above a certain threshold, typically around 25 degrees (North or South) or higher. The closer you are to the poles, the more circumpolar stars you can see.
Do circumpolar stars rise in the east?
No they do not. By definition circumpolar stars do not "rise". They are above the observer's horizon at all times.
If you were standing on the north pole how many circumpolar stars would you see?
If you were standing on the North Pole, you would be able to see all the circumpolar stars in the sky. Circumpolar stars are the stars that never set and orbit around the celestial pole. At the North Pole, they would constantly circle around Polaris, the North Star, without dipping below the horizon.
How is a circumpolar stars different from other stars?
They are always visible in the sky. (Unless it's cloudy). They don't "rise" and "set" at the latitudes where they are circumpolar.
Can circumpolar stars be included in the zodiac?
No. The Zodiac are 12 constellations that lie in the plane of the ecliptic; circumpolar ("moving around the pole") stars are well above or below the ecliptic.
What did ancient egyptians believe about astronomy?
They believed that when Paraohs died they would become one of the circumpolar stars
From the northern hemisphere circumpolar stars appear to be circling what?
From the northern hemisphere, circumpolar stars appear to be circling around the North Star, also known as Polaris. This is because the North Star is located near the North Celestial Pole, making it a fixed point in the sky around which the circumpolar stars appear to revolve.
Where are circumpolar constellations located?
For example, if you live at a latitude of 50° north, the circumpolar stars will be all stars that are up to 50° around the celestial north pole. As another example, if you live at a latitude 30° south of the equator, the circumpolar stars will be all those that are in a circle up to 30° around the celestial south pole.
The pointer stars in the bowl of the Big Dipper point toward?
The Big Dipper is one of the most recognizable groups of stars in the sky. The pointer stars in the bowl of the dipper point toward the North Star.
What is special about circumpolar stars?
Circumpolar stars are stars that never dip below the horizon for an observer at a certain latitude, making them visible year-round. They appear to rotate around the celestial pole without setting, unlike other stars that rise and set each day. This unique characteristic makes them useful for navigation and timekeeping.
Define pointer star?
Pointer Stars are stars that are used to pinpoint other areas in the sky, such as constellations.
