The reference to the root of the tree should be set to null
<h3>Can the root of a binary tree be null?</h3>
- Only the subtrees are nulled out, the root always remains and will never be set to null.
<h3>What is null root?</h3>
- null-, root. -null- comes from Latin, where it has the meaning "none; not one.
- '' This meaning is found in such words as: annul, null, nullify.
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One way to tell if a website is secure is by looking at the web address in the address bar of the Internet browser to see what letters the web address starts with.
Most sites start with http://. These letters stand for “Hypertext Transfer Protocol,” which is the basic way that information is transferred on the Internet. A secure web address starts with https://. This stands for Hypertext Transfer Protocol Secure. When a website starts with https:// it means that the information that is being transferred between your computer and the website is encrypted and secure.
Answer:
Explanation:
In video editing programs we can use the timeline in different ways, for example:
- Speed/Duration command
- Rate Stretch tool
- Time Remapping feature
We can modify the speed of the clip making it faster or slower, or we can modify the duration, shortening or lengthening the video frame by frame, this method can be used in the audio too.
Answer:
The answer is "except IOError:"
Explanation:
It is part of the exception handling, that stands for input/ output operation fails, this exception aeries when we attempting to access an anti-existent file, in the program so, it will give the program related errors.
- This type of error is handled in the try block, it also allows you to prepare the deal with the exceptional block.
- It also helps you to hide the bugs by using code, if you handle an unexpected error.