Node.js Express : Insert JSON from POST request into MongoDB

A simple web app created with Node.js and Express framework to retrieve JSON data from a POST request and insert that in to a MongoDB collection.

Using PowerShell to change timestamp of files and folders

PowerShell Tip : View and Modify Access time, Modification Time and Creation times of Windows files and folders using PowerShell

PowerShell script for incremental backup using modified time

PowerShell script to take incremental backups. Only files modified in the last N days will be copied while creating the necessary folder structures

Enable Last Access timestamp for files and folder in Windows

Last Access time of files in Windows are disabled by default to improve NTFS performance but you can enable last access time updates using fsutil tool

Flatten a nested or multi dimensional array in PHP

Program to convert a multidimensional array to single dimension using RecursiveArrayIterator(), RecursiveIteratorIterator() and iterator_to_array()

How to copy a database table

How to clone a table, copy some or all of the data from one table to another or copy just the table structure using SQL.

Java program to print N Fibonacci numbers using recursion

Java program to print the first N Fibonacci numbers using the recurssive method. This is a popular question for Java and C programming interviews

Windows 10 IoT Blinky background app in VB.NET

In this tutorial we create the blinky app in VB.NET that run as background service in Raspberry Pi 2 or 3, MinnowBoard Max or DragonBoard

Setup Wifi on Rapberry Pi from command line

How to setup and configure USB WiFi adapter on Raspberry Pi running Raspbian. Connnecting raspberry pi to a wifi network.

How to play flash on Android tablet or phone

This article explains the various ways on how to play flash on Android Tablets and Phones