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How To: Solve an algebraic equation

Math can be tricky, especially when you're trying to decipher algebra. It's a love-hate thing; if you don't love math, then you hate it, and there's no in-between. But it doesn't have to be a pain to solve a few problems. It's actually quite simple once you figure it out. An algebraic equation is an equation that includes one or more variables. These equations can be solved as long as the number of variables does not exceed the number of equations.

News: Null Byte's First White Hat Award for Technical Excellence Contest Has Closed

The first White Hat Award for Technical Excellence tutorial contest ended last night at midnight! We had many excellent articles submitted, once again re-affirming what an incredible community we have here at Null Byte! We had quite a flurry of great articles in the last few days. Thanks to all of you who submitted such high quality material to our community. Your efforts are appreciated and you have the undying gratitude of our community. We will not forget your efforts. I'll be reading and ...

How To: Build a Directory Brute Forcing Tool in Python

While attempting to hack a web app, there may come a point where the attacker may have to escape the default directory in order to access unauthorized files. This is known as a directory traversal attack. Much as the name implies, this attack involved traversing the servers directories. But in order to move to an unauthorized directory, we need to know where those directories are. Today we'll be building a tool to brute force these directory locations based on HTTP response codes. Before we g...

How To: Compare golf club shaft stiffness

Need help choosing the right club for a particular shot? This video will teach you how to compare and evaluate golf club shafts for stiffness and flexibility. When considering golf shaft stiffness, the thinner the diameter of the wall of the shaft, the more flexible the shaft is going to be. Find out about common weights of golf club shafts with this free video golfing lesson.

News: Standard Testing Frequently Misses UTIs — But Now We Have a Better Way

Have you ever had a burning sensation when you urinate? Low fever, back pain, and maybe cloudy urine? Male or female, it could have been a urinary tract infection. If it lasted long enough, the chances are good you went to the doctor for help. For about 20% of women, standard testing for a UTI does not reveal the presence of infection-causing bacteria, even though bacteria may be causing their symptoms. Well, a new test may provide better answers.

News: Livestock Antibiotic Use Increases Threat of Resistant Microbes to Humans

Antibiotics used to prevent diseases in livestock are creating a world of hurt for humans and the soil we depend on for food. Bacterial resistance to antibiotics is a global health issue. The overuse, underuse, and poor use of these life-saving drugs is rapidly removing them as a treatment option for serious infections in humans—plus bacteria are naturally adaptive.

How to Train Your Python: Part 4, Basic User Input

In the last iteration of how to train your python, we covered basic string manipulation and how we can use it to better evaluate user input. So, today we'll be covering how to take user input. User input is very important to scripting. How can we do what the user says if we can't tell what the user wants? There are multiple ways to take input, we can give the user a prompt and take input from them directly, or we could use flags/switches, and take their input before the script is even execute...

Hack Like a Pro: The Basics of the Hexadecimal System

Welcome back, my novice hackers! It has become clear from some of your questions that quite a few of you are unfamiliar with the hexadecimal system, or simply, hex. The hexadecimal system is used throughout computing and if you have never studied this Base16 numering system, it may appear relatively opaque.

News: Apple Just Released the First iOS 12.1.1 Beta to Developers

Apple wastes no time with betas. Right on the heels of the official release of iOS 12.1, Apple released the first beta for iOS 12.1.1 to developers on Wednesday, Oct. 31. The update comes just one day after iOS 12.1, which itself was in beta development for 43 days this year. The denotation for 12.1.1 indicates it's a minor update over 12.1, and there are only a few things in its release notes.