Why do we need Deque data structures in the real world?
A Deque is a double ended queue, allowing inserting and removing from both ends. In real scenario we can attached it to a Ticket purchasing line, It performs like a queue but some time It happens that …
c++ - What really is a deque in STL? - Stack Overflow
A deque, short for "double-ended queue," is a versatile data structure in the C++ Standard Template Library (STL). It allows for efficient insertion and deletion of elements at both the front and back ends.
python - queue.Queue vs. collections.deque - Stack Overflow
I need a queue which multiple threads can put stuff into, and multiple threads may read from. Python has at least two queue classes, queue.Queue and collections.deque, with the former seemingly usi...
java - Why should I use Deque over Stack? - Stack Overflow
Deque<Integer> stack = new ArrayDeque<>(); I definitely do not want synchronized behavior here as I will be using this datastructure local to a method . Apart from this why should I prefer Deque over …
How to "convert" a dequed object to string in Python?
Answer to your question: Since a deque is a sequence, you can generally use str.join to form a string from the ordered elements of that collection. str.join works more broadly on any Python iterable to …
Iterate over deque in python - Stack Overflow
Since a deque is a doubly linked list, I should be able to iterate through it in order without any performance cost compared to a list. However, the following will be much slower than iterating thr...
Python deque: difference from list? - Stack Overflow
A deque is more efficient for pushing and popping from the ends. Read on, and below the list of methods you'll find: Indexed access is O (1) at both ends but slows to O (n) in the middle. For fast random …
What is the best way to access deque's element in C++ STL
6 An STL deque is usually implemented as a dynamic array of fixed-size arrays, so indexed access is perfectly efficient.
c# equivalent for c++ vector or deque - Stack Overflow
What should I use in C# to replace C++ vector and deque efficiently. That is I need a structure that supports direct indexing effieciently and also supports delete from one or both ends (depending on …
python - Converting a deque object into list - Stack Overflow
Currently, I fetch "list" data from my storage, "deque" it to work with that data. After processing the fetched data, I have to put them back into the storage. This won't be a p...