Need to make a custom, digital clock that will run in all major desktop and smartphone browsers? This tutorial shows you how to employ Javascript functions to communicate in real time with web page elements to get a slick CSS animated clock. Cool, eh? Learn some excellent Jav ...more
Learn how to add numbers using the SUM and AutoSUM functions within Microsoft Excel 2010. Whether you're new to Microsoft's popular digital spreadsheet application or a seasoned business professional just looking to better acquaint yourself with the Excel 2010 workflow, you're ...more
Assign custom shortcut keys to your most commonly used Adobe Photoshop CS4 functions to help speed up your workflow. Whether you're new to Adobe's popular graphic editing program or a seasoned design professional looking to better acquaint yourself with the new features and fu ...more
Some cell phones have so many functions, they're almost more like mini-computers and can thus, be somewhat tricky to use. This instructional video slide show explains the different functions and features on a Nokia E71 mobile phone. Click around this tutorial and learn how to ...more
Some cell phones have so many functions, they're almost more like mini-computers and can thus, be somewhat tricky to use. This instructional video slide show explains the different functions and features on a Palm Centro mobile phone. Click around this tutorial and learn how t ...more
Some cell phones have so many functions, they're almost more like mini-computers and can thus, be somewhat tricky to use. This instructional video slide show explains the different functions and features on a Palm Treo 650 mobile phone. Click around this tutorial and learn how ...more
Some cell phones have so many functions, they're almost more like mini-computers and can thus, be somewhat tricky to use. This instructional video slide show explains the different functions and features on a BlackBerry Curve 8330 mobile phone. Click around this tutorial and l ...more
Welcome back! In our last training session, we covered some advanced list topics. We'll be going deeper into the advanced list rabbit hole today with lambda and lambda operators! (And I'm not talking about Gordan Freeman) We'll start by explaining lambda and giving an example ...more
Welcome back! Sorry for being so quiet, I've been rather busy with this project lately! Anyways, in the last iteration of how to train your python, we covered lists. Today we'll be introducing iteration and the two loops python has to offer, for and while. Also, we'll be cover ...more
Pygame! And what you can accomplish with it. Another python article... (Blame Alex for getting me hooked on yet another coding language...) This little article will cover "Pygame", the set of modules that were designed with game developers in mind. Specifically ones who code ...more
As Android's de facto virtual assistant, Google Now lets us speak directly to our phones in plain English to answer our questions and perform many basic tasks. With the app open, just say "Okay Google," then wait for the beep, and ask almost any question. But several Google N ...more
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 664th installment in their series of digital spreadsheet magic tricks, you'll learn how about how ...more
There are countless tutorials online that show how to use Netstat and Tasklist to find an intruder on your computer. But with a few PowerShell functions, it's possible for a hacker to evade detection from the almighty command line. Before we dive into the technical sections, ...more
It's been a while since I wrote up an article for this series but I did say that I'd be covering some WinAPI. So if you're interested in programming for the Windows platform, hop aboard and follow along. Note: This is an extension of the standard C that the previous material ...more
Your Mac's Finder is an essential tool to doing all kinds of useful things, but as all the other functions on OS X get more and more complex, it seems like the Finder pretty much stays the same. It does have a simple, intuitive interface, but many users wish it could do more. ...more
The Home button on an iPhone does a lot. That's not necessarily news for anyone who's ever owned an iPhone with a Home button, but what you might not know is that it's capable of so much beyond the standard everyday functions. So if you have an iPhone 7, 8, or the new SE model ...more
Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of sk ...more
How's it goin'? In this tutorial, we will learn about the security issues of the popen and system functions. I've seen a few people attempting to run command line utilities or whatever it is they require with calls to these two functions but may not know the security implicati ...more
Hi I am a new member of null byte(although I am reading this website from the beginning) and this is going to be my first post. Let me introduce myself first ! I am from Greece, I am working as a network engineer and I am into system and network administration but definitely ...more
Welcome back everyone. I apologize for the lack of training articles, but I've been rater busy lately. I've recently picked up a second job and my college courses are now back in session, so I'm a bit strapped for time. FTP is a very important protocol. It's not only importan ...more
When it comes to automation apps on Android, Tasker is still the king of the hill. For a price of $2.99 on the Google Play Store, it's a great buy for any would-be tinkerer that would like to get into automating actions on their Android device. Then, when you consider that the ...more
Excel 2008 for Mac makes it easy to create formulas for cells. You could always do it before, but now with the new Formula Builder feature, building formulas just got one step closer to simple. The Microsoft Office for Mac team shows you just how to build formulas by using the ...more
Learn the Basics of Shooting in "Manual" Mode on your DSLR In this first installment of Photography Basics, we will be exploring and explaining the basics of shooting with a DSLR in various shooting modes. This first webisode is intended to familiarize the user with the basic ...more
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 679th installment in their series of digital spreadsheet magic tricks, you'll learn how to summari ...more
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 665th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the ...more
In this video tutorial, viewers learn how to access every Windows 7 setting at once. Users will need to download the Windows 7 in a Box program provided in the video. Once downloaded, simply click on one of the functions (Functions, Folders, Internet Settings, Programs, Tools ...more
For 3D artists new to 3DS Max, learning your way around this massive piece of software can take a long time. It need not do. This video will teach you how to use some of the many hotkeys in the program to navigate it like a pro, easily accessing all of the most popular tools a ...more
Your BIOS, or Basic Input Output System, is the firmware on your motherboard responsible for initializing your computer's hardware when it is first powered on. It probes for video adapters, RAM, the whole works. The BIOS provides a small library of basic input/output functions ...more
Introduction In this post we will look at how to access a PosgreSQL database in your C/C++ application. It's not as hard as you might think, but you need to understand the procedure and the functions used. Functions and method that will be used To access the database from y ...more
In this tutorial, we learn how to graph a parabola. Quadratic functions are parabolas. To graph these, you will first need to look at the function, which is the set of outputs for a set of inputs. Write this out on a t-chart to find what your 'x' and 'y' values are. Once you f ...more
Are you a newbie when it comes to Gmail? Watch this video and learn. It starts of with a brief overview of the registration procedure. Then proceeds to explain the welcome screen and then the main interface. The functions of the various folders viz Inbox, Spam, Drafts, All M ...more
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 684th installment in their series of digital spreadsheet magic tricks, you'll learn how to do sing ...more
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 11th installment in his "Highline Excel Cla ...more
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 90th installment in their series of digital spreadsheet magic tricks, you'll learn how to write a ...more
return a descending sorted list of country names based on the values in a row using an array formula that itself makes use of Excel's INDEX, MATCH, RANK, COLUMN and COLUMNS functions. Using an array formula, return a descending sorted list of country names based on the values ...more
New to Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 574th installment in their series of digital spreadsheet magic tricks, you'll learn how to streamline filtering ...more
Brightstorm explains how to use definite integrals to find area. There are two basic area problems: one in which the area lies between the function and the x-axis, and one where the area lies between the two functions. In the first case, if the curve lies above the x-axis for ...more
This video was made to help users with disabilities use Windows XP more efficiently in their lives. Starting with entering the control panel the and clicking on the accessibility options the user will have an array of options to help customize their settings to their needs. Th ...more
In this video, one teacher talked in detail about how to solve absolute value functions and how to translate different absolute value functions from one point in the matrix to another one horizontally and vertically. If the function is y=A|x-h|+k, generally, the diagram is sym ...more
In this Excel magic trick video the tutor shows how to use the years worked formula using Yearfrac, Int and Datedif functions. He says that using this trick you can find out how many years some one has worked if we know his starting date and ending date i.e. he shows how to ex ...more
This video describes how to use excel basics formulas to do math. Shows how to create new formulas so that you can complete math functions and how many formulas in excel work. Each step is displayed step by step with an explanation on what is going on so it may be understood. ...more
The Panasonic HVX-200 video camera is capable of high definition recording, but how do you even use it? This how-to video demonstrates the basic functions you'll need to master to operate this advanced piece of electronic equipment. Follow along and learn how to change and cha ...more
For SQL injection, the next step after performing reconnaissance and gathering information about a database is launching an attack. But something seems off .. in the real world, it's usually not quite as simple as passing in a few fragments of SQL code to an input field and se ...more
German groups ZF Friedrichshafen AG and HELLA are collaborating to add to their autonomous portfolios with camera and radar development. In a press release issued by the companies, Stefan Sommer, CEO of ZF Friedrichshafen AG said of the partnership: This strategic partnershi ...more
The HoloToolkit offers a great many, simple ways to add what seems like extremely complex features of the HoloLens, but it can be a bit tricky if you're new to Windows Holographic. So this will be the first in an ongoing series designed to help new developers understand what e ...more
The Moto X and Moto Z have a set of features that let you launch common shortcuts by shaking your phone in one direction or another. For instance, there's a chop gesture that turns on the LED flashlight, and a wrist-twist gesture that instantly opens the camera app. We've cov ...more
Hey readers! This tutorial will be the entry point for the introduction of buffer overflows. Something like requesting user input is a very common place for vulnerabilities to pop up and we will definitely have fun while trying to make programs crash. But for now, let's start ...more
What Is IPython? IPython is a richly featured replacement for the standard python interpreter. It offers a wider range of functionality, that the standard interpreter, which generally ships with python, sorely lacks. It's a great tool for learning Python faster than you would ...more
Lock screen apps are a dime a dozen, but every now and then one pops up that defies expectations. We've already covered some good ones for the Samsung Galaxy S4, including Picture Password Lockscreen (which gives you secret unlock gestures), SlideLock (which improves notificat ...more
Via Jeff's Arduino Blog, the Princess and the Pea Alarm Clock: "No ordinary alarm clock: the Princess and the Pea Alarm Clock ('PPAC') leaves no room for snoozing, inflating a green 'pea' between the mattress and box spring, making it impossible to stay in bed. In the tin can ...more
Whether your palate runs to domestic or imported, a piece of cheese can be a real treat for the senses. Its smell, taste, and texture are all parts of its appeal. A big part of what makes that savory wonderfulness comes from the microbes in and on the cheese. Thanks to a team ...more
Today I will show you how to create a simple keylogger in Visual C# Sharp, which will start up hidden from view, and record anything the user types on the keybord, then save it into a text file. Great if you share a PC and want to track what someone else is writing. You Will ...more
Do you think playing guitar is that easy? It takes time and effort to learn the basic to extreme skills for playing a guitar! But you're lucky, simply because I will make everything easy for you by teaching you how to play guitar, my friend! Anatomy of a Guitar Let's start! ...more
The Cloud Security Alliance (CSA), a leading IT trade association, has published its first report on risks and recommendations for connected-vehicle security, ahead of when driverless cars are about to see volume production in the near future. The main idea behind the Observa ...more
Step 1: What Exploit Development Is and Why Should I Be Interested on About This Topic An exploit is a piece of software, a chunk of data, or a sequence of commands that takes advantage of a bug or vulnerability in order to cause unintended or unanticipated behavior to occur ...more
This video tutorial will show you the Neutrophil Isolation Protocol. Neutrophil polymorphonuclear granulocytes (PMN) are the most abundant leukocytes in humans and among the first cells to arrive on the site of inflammatory immune response. Due to their key role in inflammati ...more
Bash (Shell) Scripting for Beginners Intro I am an occasional Linux user currently playing around in CrunchBang and loving it. Prior to this, I used to dual-boot Windows and xfce-buntu (or xubuntu) at work, and due to some unforeseen circumstances, my screen always went fuzz ...more
When it comes to graphing and comparing functions, the TI-83 graphing calculator is the end-all device for math and science students. But one of the most entertaining aspects of Texas Instruments' powerful algebraic and trigonometric calculator is not the equations themselves, ...more
Are you much for science? Cytoplasm. Nucleus. Endoplasmic reticulum. Organelle. These words might sound alien, but breaking down the parts of a cell and their functions will help you remember. This is one of the best ways for cell identification, and it's perfect for science c ...more
Among a treasure trove of new developer information on the Lumin OS that Magic Leap recently published on its Creator Portal appears to be the official confirmation of the Magic Leap Mobile Companion App. The app was alluded to in job postings previously reported by Next Real ...more