Random-number

How To : Generate random numbers (with decimals) in Excel

This video shows you how to generate random numbers with decimals in Microsoft Excel.When generating random numbers you must have a lower and upper limit, so that your number will be generated between the two limits. For a number without decimals, you only have to use the "=ra ...more

How To : 20 Google Home Easter Eggs & Fun Commands

With the holidays over, a lot of people with shiny new Google Homes are getting their first chance to explore the new Google Assistant. Before the Google Home's release, the Assistant was only available for the Google Pixel and Pixel XL, or in a text-based form with Google All ...more

How To : Build a Stealth Port Scanner with Scapy and Python

As we're all aware, recon is vital to a successful hack. We need to know everything we can about the target in order to perform the best possible attack. Port scanning is a basic recon concept that is introduced very early in learning proper reconnoissance. The issue with port ...more

How To : Build a working slot machine in Minecraft

Bring a little bit of the excitement of Las Vegas to your Minecraft world. Watch this video to learn how to build a working slot machine, based on a random number generator, in your Minecraft map. Luck be a mob tonight. Part 1 of 2 - How to Build a working slot machine in Mine ...more

How To : Guess a random number using a math trick

Though impressive, reading minds in person has been done and overdone. Revamp this tired sport by learning how to mind read over the phone and even on Twitter. Watch this video for Scam School's method on reading minds over social media mediums. So whether you're at the bar o ...more

News : Encrypting Passwords With an Old-School Tabula Recta

Have an old-school tabula recta lying around? No? Then just print out the chart below. Nothing ensures better password security than this centuries-old cipher technique. Here's how it works, via Wikipedia: "Using a tabula recta, each alphabet is shifted one letter to the left ...more

How To : Generate random numbers (integers) in Excel

1.Here 10-50 and 300-400 numbers are taken for example to generate the random numbers within the limit in Excel. We using the command of "randbetween" for generate the random numbers and we won't get the decimal or fraction values.2.Now type "=randbetween(10,50)" which means t ...more

How To : Introduction to Modern Cryptography

Cryptography is the science of keeping secrets, or more specifically, the science of disguising them. As a point of fact, cryptography has progressed quite a bit farther and now encompasses file and message integrity, sender authentication, and pseudo-random number generators. ...more

News : Beat the claw crane. Win the little piggy!

Sick of losing quarters to machines that promise you toys? Wanna win the stuffed piggy once and for all? Our guy Matt has won loads of stuffed piggies and he's going to show you how! Matt's an arcade game fanatic. So obsessed, he's purchased his very own claw machine just to ...more

How To : Choose a safe password

In this tutorial, we learn how to make a safe password. Passwords are essential, and need to be safe for when browsing around the internet. Other people aren't meant to be able to nose around your information, so protect your information with an indecipherable password. Don't ...more

How To : Advanced Cryptography - Total Guide

Hello people again, I wrote my last post about crypto about 10 months ago, now I will introduce something not fresh for the science, but fresh for the people who wants to learn. In my http://null-byte.wonderhowto.com/forum/cryptography-0161538/ post of crypto concepts, there i ...more

How To : Clear data & cell contents in Excel using a macro

In order to clear the cell content in Excel, using a macro, you will first need to have a table. If you don't already have a spreadsheet, you will need to create one with random numbers. Next, highlight some numbers, by clicking one box and dragging in order to select a number ...more

How To : Find the diagonal sum in Excel

In this how to video, you will learn how to create a diagonal sum in Microsoft Excel 2007. First, open the program and make a large selection. Type in =int(rand()*500) and then press control enter. This will create random numbers for the cells in the selection. From here, clic ...more

How To : Remove All Bloatware on Your Galaxy Note 9

Although the Galaxy Note 9 is an amazing phone, many members of the Android community won't even look at it. This isn't just because of the Samsung Experience skin, but the large amount of bloatware that comes with this device. However, with a little work, you can remove all o ...more

Sorting (Part 6.0) : Quick Sort [Sorta Efficient]

Greetings, fellow NBers! Welcome to my sixth iteration of my sorting series. Today, we'll be discussing a personal favorite: Quicksort, or Quick Sort. Quick Sort: The Algorithm Under the Hood Quick Sort is what's called a "divide and conquer" sorting algorithm. It takes a p ...more

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