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  1. Jan 18, 2017 · The new ICQ has end-to-end encryption on all calls, making it the first messenger in the world to provide encrypted video communication for all countries. Going into detail, voice and video...

  2. DSA is about finding efficient ways to store and retrieve data, to perform operations on data, and to solve specific problems. By understanding DSA, you can: Decide which data structure or algorithm is best for a given situation. Make programs that run faster or use less memory.

  3. Feb 28, 2023 · Chat architecture refers to the design and structure of a chat application, including the client-side and server-side components. A well-designed chat architecture should be reliable, scalable, and easy to maintain, while also providing a seamless and intuitive user experience.

  4. Data structures. Structures allow programmers to store more than one item or value together. While STRING is regarded as a data type, it is also a data structure. The STRING...

    • Array: Search, insert and delete in an unsorted array. Search, insert and delete in a sorted array. Write a program to reverse an array. Leaders in an array. Given an array A[] and a number x, check for pair in A[] with sum as x.
    • Matrix: Search in a row wise and column wise sorted matrix. Print a given matrix in spiral form. A Boolean Matrix Question. Print unique rows in a given boolean matrix.
    • Linked List: Singly Linked List: Introduction to Linked List. Linked List vs Array. Linked List Insertion. Linked List Deletion (Deleting a given key) Linked List Deletion (Deleting a key at given position)
    • Stack: Introduction to Stack. Infix to Postfix Conversion using Stack. Evaluation of Postfix Expression. Reverse a String using Stack. Implement two stacks in an array.
  5. Jul 30, 2024 · What is Stack Data Structure? A stack is a linear data structure that follows the Last-In-First-Out (LIFO) principle. It behaves like a stack of plates, where the last plate added is the first one to be removed. Think of it this way: Pushing an element onto the stack is like adding a new plate on top.

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  7. en.wikipedia.org › wiki › ICQICQ - Wikipedia

    For other uses, see ICQ (disambiguation). ICQ was a cross-platform instant messaging (IM) and VoIP client. The name ICQ derives from the English phrase "I Seek You". [ 1 ] Originally developed by the Israeli company Mirabilis in 1996, the client was bought by AOL in 1998, and then by Mail.Ru Group (now VK) in 2010.

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