How To: Hook Web Browsers with MITMf and BeEF
Do you remember the last time we used BeEF? Well, now we get to use it again, but this time with MITMf! We are going to auto-inject the hooking script into every webpage the victim visits!
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How To: Create and use your own functions when programming in Python
Functions allow you to repeat particular actions without having re-code them for every instance. This tutorial shows you how to set up and use your own functions when you're writing a program using Python. Make sure all your functions are well defined before you start using them!
How To: Determine if you have a function
In this tutorial, we learn how to determine if you have a function. You will start off with two functions and their points. The 'x' values make up the domain of the function and the 'y' values make up the range. The input values are the domain and the output are the range. If you're checking to see if you have a function, you will need one 'y' for every 'x'. This means that each value has another one that goes with it. Each of the points need to have one partner with them, no more and no less...
How To: Use Excel's SUMIF, RANK & IF functions
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 30th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use the SUMIF function to add with one criteria, the RANK function to rank highest values to lowest values (one to five) and the IF function to assign a bo...
How To: Graph a quadratic function in factored form
This video deals with solving quadratic functions. It does not involve the use of the quadratic equation; rather, only factored equations are used. The speaker starts out with a factored quadratic equation. The speaker goes on to do the mathematical steps necessary to find both the x and y intercepts of the quadratic function at hand. The author then continues on with the example to find the function's minimum. Next all of the points that have been solved for are plotted and the function is s...
How To: Use the Chain Rule for finding derivatives
JustMathTutoring This video shows the procedure of finding derivatives using the Chain Rule. The Chain Rule states that the derivative of a composition of functions is the derivative of the outside function evaluated at the inside multiplied by the derivative of the inside. This can be stated as if h(x) = f[g(x)] then h'(x)=f'[g(x)]g'(x). This is explained by two examples. In the first example we find the derivative of the sine of square of 'x'. We take the derivative of sine at square of 'x'...
How To: Use batch files for various functions
This video tutorial is an introduction to some of the basic functions of batch files. Part 1 of 2 - How to Use batch files for various functions.
How To: Use void functions with C++
Watch this video to learn how to use void functions with C++. The video also covers the use of more than one return statement, immediate return, and variable scope/visibility.
How To: Use function definitions is C++
Watch this video to learn how to use function definitions in C++. The topics of declaration order and calling/returning are also covered.
How To: Utlize the different functions of your BlackBerry Bold PDA
The BlackBerry Bold is a nifty new PDA, with a lot of hidden functionality. This tutorial shows you how you can use keyboard shortcuts to navigate, in addition to using applications, managing your contacts and customizing the appearance of your screen.
How To: Use the LARGE and SMALL functions in Microsoft Excel
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 616th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the LARGE and SMALL functions to retrieve the 1st, 2nd, and 3rd largest values from a list. You'll also see how to do each of the following:
How To: Find the sides of a right triangle with trig functions
Learn how to use trigonometric functions to calculate the sides of a right triangle. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to ...
How To: Build and use array formulas in Microsoft Excel
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 36th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn most everything there is to know about working with array formulas in Microsoft Excel.
How To: Force a function to becom an array in Microsoft Excel
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 39th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how if an array or range is put into a function argument that is expecting a single value, the function becomes an array and delivers an array of values instead o...
How To: Use differential equations to represent growth
This video shows the method to use differential equations to represent growth. Consider the function y=multiple of C & e raised to kx or Ce^(kx). Differentiating it with respect to x, we get dy/dx=kCe^(kx) or ky. So, the solution of the differential equation dy/dx=ky is Ce^(kx). There are two possibilities in the function y=e^(kx). It can be exponentially growth or decay function. This depends on the value of k. If k is greater than 0 or k>0, we get an exponential growth function. On the othe...
How To: Use precision number rounding in Microsoft Excel
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 237th installment in their series of digital spreadsheet magic tricks, you'll learn how to
How To: Convert degrees to radians with Excel's trig functions
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 234th installment in their series of digital spreadsheet magic tricks, you'll learn how to convert between degrees and radians in Excel with trigonometric functions and formulas. Rad!
How To: Use the SUMIF & SUMPRODUCT functions in MS Excel
New to Excel? Looking for a tip? How about a tip so mind-blowingly advanced as to qualify as a magic trick? You're in luck. In this Excel tutorial from ExcelIsFun, the 315th installment in their series of digital spreadsheet magic tricks, you'll learn how (and when) to use the SUMIF & SUMPRODUCT functions.
How To: Blacklist websites across all browsers on your computer with Any Weblock
You may wish to block websites from being accessed on your computer for any number of reasons. Maybe you're a concerned parent who wants their kids to browse the internet safely. Maybe you're an employer who wants to secure office computers or blacklist innapropriate websites.
How To: Use defensive abilities while playing Fight Night Champion on the Xbox 360
If you're interested in learning how all of the defensive moves and attributes function in Fight Night Champion, take a look at this video that provides information the defensive functions of the game. If you're enjoying it on the Xbox 360, you'll be able to learn what buttons allow you to block and play defensively.
How To: Use a function generator to make waveforms for electronics projects
A function or signal generator is an electronic device that can create different types of waves and send them through a circuit without building oscillators. This video will teach you how they work and how to build a basic LED dimmer that uses one as an example.
How To: Use all the functions of a Canon 60D camera
The Canon 60D is a very popular, powerful, and cheap camera for those looking to get into high-end digital photography. If you've got one and need some help on using it's many functions, check out this video for a tutorial on the many buttons and tools in your camera.
How To: Create a liquid Flash website which changes based on screen size
Code your Flash-based website so that your content can remain the same, no matter if visitors are viewing your site on a computer screen, smartphone display or even a high-definition TV. This tutorial shows how you can code your fluid website to achieve the true fit effect.
How To: Build your own website using WYSIWYG Flash editors
What You See Is What You Get, or WYSIWYG, is a useful type of web builder which allows new users or beginning coders create their own websites by using a type of plug and play interface. This tutorial shows you how to build an entire website using a WYSIWYG Flash-based editor.
How To: Use best practices for indicating breadcrumbs on your website
Google is the biggest and best search engine on Earth, and if you are a webmaster and want your website to be a big success it would really behoove you to know as much about how it works as possible. The Google Webmasters series of videos and website were created to teach webmasters, SEO professionals, and others how Google works by answering their questions and giving them insights into how they can best integrate and utilize Google's functionality to improve their business. This video will ...
How To: Use the TODAY and NOW functions in Microsoft Excel 2010
Learn how to make time-based calculations with the TODAY and NOW functions in MS 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 sure to be well served by this video tutorial. For more information, including step-by-step instructions, take a look.
How To: Use the DATEDIF function in Microsoft Excel 2007
Looking for a primer on how to use the DATEDIF function in MS Excel 2007? You're in luck. 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 2007 workflow, you're sure to be well served by this video tutorial. For more information, including step-by-step instructions, take a look.
How To: Use the TODAY and NOW functions in Microsoft Excel 2007
Need an introduction to Excel's useful TODAY & NOW time functions? You're in luck as this clip provides just that. 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 2007 workflow, you're sure to be well served by this video tutorial. For more information, including step-by-step instructions, take a look.
How To: Ignore hidden rows with MS Excel's AGGREGATE function
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 662nd installment in their series of digital spreadsheet magic tricks, you'll learn how to add or average while ignoring values in hidden rows. In addition you can ignore both Hidden Rows and Error Value.
How To: Use AGGREGATE instead of SUBTOTAL in MS Excel 2010
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 the new Excel 2010 AGGREGATE function that can calculate these 19 different functions depending on what number you put into the 1st argument of the AGGREGATE function. This is an improvement over the SUBTOTAL function wh...
How To: Ignore filtered values making calculations in MS Excel
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 AGGREGATE function to make calculations on filtered data. The SUBTOTAL function only has 11 functions, whereas the AGGREGATE has 19 plus options to ignore errors, hidden rows and nested SUBTOTAL or AGGREGATE functions.
How To: Use the jQuery Javascript framwork to make websites
jQuery is a very popular and easy-to-use Javascript framework that allows you to make very interactive websites quickly and easily. This video introduction will show you how to use the basics of jQuery and explains why you should be learning how to use it in the first place. If you want to make really smooth user interfaces for websites, watch this video. You really need to know jQuery.
How To: Use HipHop for PHP to improve website performance
HipHop for PHP is a source code transformer that allows you to optimize your PHP code easily, which will allow you website to run faster on less server space. This video is a record of a seminar on using HipHop done by a Facebook employee who had a hand in it's development. If you make websites using PHP, this will be very good stuff for you to learn.
How To: Make an accordion on your website with jQuery
jQuery is a very powerful and easy-to-use Javascript library that you can use to make websites. If you're here, you probably already know that and want some help doing so. This video will show you how to create a simple accordion in jQuery. An accordion is the part of a website, usually along the side, where links to other parts of the website are grouped under headings that expand when clicked or moused over. Do this, and your website will be much more professional and easy-to-navigate.
How To: Customize AF functions on the Canon EOS 7D
The Canon EOS 7D can be fine-tuned to adjust its auto focus to suit nearly any subject. See how you can customize your AF functions to get the best focusing options needed for your desired result. This video breaks down everything.
How To: Make a timeline for your website in Flash CS4
Making your own website from scratch is one of the most challenging and rewarding ways that you can take advantage of the internet. This mammoth 60-part video series walks you through the process of doing just that in Adobe Flash CS4. This is chapter 3 of that series, and covers the timeline of your website. If you haven't watched the previous chapters, do some now and come back. After you watch all of these videos, making your own site in Flash should be a cinch.
How To: Integrate exponential functions in calculus
Looking for a primer on how to integrate exponential functions? This free video calculus lesson will teach you how. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test).
How To: Graph trigonometric functions
Learn how to graph the amplitude and periods of sine and cosine functions in basic trigonometry. Learn how to use trigonometric functions to calculate the sides of a right triangle. Need to know how to solve a matrix-form linear equation in algebra? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your h...
How To: Use VLOOKUP function formulas in Microsoft Excel
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 7th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to work with VLOOKUP function formulas in MS Excel. Specifically, you'll see the following:
How To: Use names in formulas and functions in Microsoft Excel
Looking for a primer on how to create and work with names in Microsoft Office Excel? You've come to the right place. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 1st installment in his series of Excel name tricks, you'll learn to use names in formulas and functions as well as how to edit them. See how to name a cell or range of cells with this free video lesson.