Category: code

node.js (http://nodejs.org) starts to gain its popularity these days. It is a Javascript-based event-driven, non-blocking IO, lightweight Server side toolkit, which can be easily used to build e.g. web …

Quick Sort is a comparison sorting method, on average, the complexity is . In worst cases, e.g. when the array of elements are already sorted, it is degraded into …

Brainfuck is a mini programming language that has only 8 keywords, i.e. 8 types of operations expressed by 8 characters. In , the Brainfuck is introduced and a python …

Q: List and compare the methods to compute where a, b, n are positive integers. A: We have four methods. The first one is to naively compute the value …

Rot13 and Rot5 are two ASCII rotation scheme that are made for alphabetic and digits respectively. The Rot13, namely, rotates the letter by 13 places, ‘A’ to ‘N’, ‘B’ …