Is QBasic good for Teaching Kids Programming?
Teaching Kids Programming: Videos on Data Structures and Algorithms QBasic was popular in the late 80s and early 90s. It was the programming language for MSDOS. Not many of …
Category: programming languages
Finding the Predecessor and Successor Node of a Binary Search Tree
August 31, 2020
algorithms, Binary Tree, c / c++, C/C++, code, data structure, interviews, Java, programming languages, Python
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A Binary Search Tree (BST) is a commonly used data structure that can be used to search for an item in O(LogN) time. A BST has the following characteristics: …
Tutorial: How to Set Up a API Load Balancer by Using CloudFlare Worker?
August 29, 2020
API, cloud, CloudFlare, cloudflare, network, Node.Js, nodejs, Serverless, System Design
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The CloudFlare Worker is a Serverless Service (similar to Amazon Lambda, Google Function) that we can use to deploy functions in the edge network. The serverless is the future …
How to Remove Items/Entries with Specific Values from Map/HashMap Object in Java?
In Java, you can usually remove items or entries with some specific value from Map or HashMap object using traditional method: public Map<String, String> removeItemByValue(Map<String, String> data, String value) …
Algorithms to Compute the Math Power(a, n) in logarithm Complexity
Implement pow(x, n), which calculates x raised to the power n (xn). Example 1: Input: 2.00000, 10 Output: 1024.00000 Example 2: Input: 2.10000, 3 Output: 9.26100 Example 3: Input: …