answersLogoWhite

0

Several programming languages use a pointer value of Nil to indicate that the pointer does not point to anything.

While the internal coding for Nil is usually not relevant to the programmer, it is typically the number 0 (but any value that would not be a valid memory address for storing such data structures at could be used).

User Avatar

Wiki User

7y ago

What else can I help you with?

Continue Learning about Engineering

Null in programming?

in Russian Null means zero. in some languages Null is a macro for zero. in others Null is a single-tone object which referes to the value Null and thus could be compared to other values. Null has many names from nill Nill nil in diffrent languages. most of the time, Null is used to indicate, no value is set to a variable.


Write the algorithm for in order traversal?

Inorder(p) { If p = nil return; Inorder(p.left) process(p.data) Inorder(p.right) }


Is tube light run without choke?

No it will not. If you need increase the supply voltage and remove the choke.


What is the difference between pre and post processing incrementation?

To increment a value by 1, you have 4 choices:value++;++value;value += 1;value = value + 1;Pre and post processing incrementation/decrementation refers to the first two: ++value and value++.Both do exactly the same, as both will increase the value of 'value' by one.If we have a situation like this:int value = 0;int value1 = 0;value1 = value++;This essentially means:value1 = value;value = value + 1;Where ++value means:value = value + 1;value1 = value;


How can you disable a particular part in the source code of CSS?

Put /* block comments */ around it, for example: style { attribute: value; attribute: value; attribute: value; } style { /* attribute: value; */ attribute: value; attribute: value; } or style { /* attribute: value; attribute: value; */ attribute: value; } or /* style { attribute: value; attribute: value; attribute: value; } */ And while this won't validate, attribute renaming uses a lot less typing (and I use it myself): style { xattribute: value; attribute: value; attribute: value; }