Getting a List of Old Files in a Directory in Java by Comparing the Files Creation Time
We can browse a list of files using Java‘s listFiles method in File Object, and then we can iterate them one by one and get the file creation Time …
Two PHP Functions to Check HTTP Response Code (Status) of a URL using Curl
Check the HTTP Reponse Status Code of a Request in PHP We can use the following PHP function to send a request to the URL and get its HTTP …
Teaching Kids Programming – Maximum Product by Splitting Integer using Dynamic Programming or Greedy Algorithm
April 12, 2021
algorithms, dynamic programming, math, teaching kids programming, youtube video
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Teaching Kids Programming: Videos on Data Structures and Algorithms Given an integer n, find two or more integers such that their sum is equal to n, where the product …
A Simple Fork Bomb in C++
The following is a simple C++ source code that can be compiled into a command line program that can bomb your OS until the OS becomes unresponsive or crashes. …
Teaching Kids Programming – Using Heap (Priority Queue) to Generate Nth Ugly Number
Teaching Kids Programming: Videos on Data Structures and Algorithms Given an integer n, return the nth ugly number. Ugly number is a positive number whose prime factors only include …
PHP Function to Check if a String is a Valid Domain Name via Regex
Given a string e.g. “domain.com” we want to find out if it is a valid domain string name. We can do this in PHP via Regx aka Regular Expression. …