A stack overflow is a programming error when too much memory is used on the call stack . Stack overflow may also refer to: Stack buffer overflow, when a program writes to a memory address on the program’s call stack outside of the intended data structure; usually a fixed length buffer.
Why is it called stack overflow?
Thus, naming the site Stack Overflow is a bit of programmer-oriented humor , indicating that this is where programmers can go when their stack has overflowed – or, in other words, when they’re out of ideas and need help.
What does stack overflow refer to Mcq?
This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Stack Operations – 1”. ... Overflow occurs when the stack is full and the user performs a push operation . Garbage Collection is used to recover the memory occupied by objects that are no longer used.
What is stack overflow used for?
Stack Overflow is a question and answer website for professional and enthusiast programmers . It is the flagship site of the Stack Exchange Network, created in 2008 by Jeff Atwood and Joel Spolsky. It features questions and answers on a wide range of topics in computer programming.
What does stack overflow and underflow mean?
Stack Underflow & Overflow
Stack underflow happens when we try to pop (remove) an item from the stack , when nothing is actually there to remove. ... Stack overflow happens when we try to push one more item onto our stack than it can actually hold.
What is stack example?
There are many real-life examples of a stack. Consider an example of plates stacked over one another in the canteen . The plate which is at the top is the first one to be removed, i.e. the plate which has been placed at the bottommost position remains in the stack for the longest period of time.
How many queues are needed to implement a stack?
Implement Stack Using Two Queues .
What happens if stack overflows?
Usually, when a stack overflow error occurs, the program crashes and can either freeze or close the program . Any unsaved data or work is lost. The stack overflow error is often caused by an infinite loop or the creation of variables larger than the size of the call stack.
Why is Stack Overflow so popular?
Stack Overflow is the leading community for developers where people are able to ask and answer programming-related questions . More than 21 million questions have been asked, more than 31 million answers have been provided, and more than 80 million comments have been made!
How does Stack Overflow make money?
On the revenue side of things, Stack Overflow is funded through two main sources: Stack Overflow Talent (job-finding) and advertising . Stack Overflow has now also added a Stack Overflow Teams product as well, which allows companies to clone the Q&A model for their own personal use.
Why is Stack Overflow free?
Our private knowledge sharing and collaboration platform , Stack Overflow for Teams, is now free for up to 50 users. No credit card is required to start your Team, and it’s free forever. Our Free plan includes ChatOps integrations to Slack and Microsoft Teams.
How much is Stack Overflow worth?
Stack Overflow just sold for $1.8 billion —but its value to job seekers is incalculable.
While social networks almost always exist within every social structure, social structures need not formalize or recognize the networks that form within them. Stack Overflow is a good example of a social structure that does not recognize the social networks that are formed within its cultivated social structure.
Which of the following is stack overflow condition?
Overflow condition: When stack is completely full (i.e. TOP= MaxSize -1 ) and we try to insert more element onto stack then this condition is called overflow condition and no further element could be inserted now until any element is deleted.
What is the overflow condition in simple queue?
The overflow condition checks if the queue is full (or more memory is available) before enqueueing any element . This prevents any error if more space cannot be allocated for the next item. if(rear == SIZE-1) // overflow condition. if(rear == SIZE-1)
Which condition checked before popping?
The underflow condition checks if there exists any item before popping from the stack. An empty one cannot be popped further. The overflow condition checks if the stack is full (or more memory is available) before pushing any element.
