C++ Coding Reference: Filling a Range with a Value using std::fill()
The C++ fill is provided in xutility and it allows us to copy a value into a range either vector or array. The std::fill() is defined using template: template<class …
How to Get List of IP addresses in BASH using hostname and tr commands?
The hostname shows or sets the system’s hostname. The option ‘-I’ or ‘–all-ip-addresses’ list the IP addresses on one single line. -i, --ip-address Display the network address(es) of the …
C++ Coding Reference: iota() – Setting Incrementing Values to Arrays or Vectors
The C++ method iota (not to be confused with itoa which is to convert integers to string), is defined in header numeric. Its purpose is to compute increasing values …
Javascript: From Promises to Async/Await
What are Promises in Javascript? and what are the async/await? If you are using Javascript, these technologies are something that you don’t want to miss. Christmas Tree Code Let’s …
Introduction to Microbit and Javascript/Typescript Programming
Pre-requisites The Microbit project can be created in browser: https://makecode.microbit.org Alternatively, you could download the Microbit App from https://microbit.org/code/ The microbit is currently supported on Windows, Android and iOS. …
Return the Path that Sum up to Target using DFS or BFS Algorithms
Given a binary tree and a sum, find all root-to-leaf paths where each path’s sum equals the given sum. Note: A leaf is a node with no children. Example: …