Website Functions Search Results

How To: Use the ADDRESS function in Microsoft Excel

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 98th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use the ADDRESS function to make labels in templates easier for users to understand.

How To: Look up formulas in Excel with the CHOOSE 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 557th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the CHOOSE function look up a formula or function depending on your drop-down selection. See also how to create combo box form controls and data validation lists with the VLOOKUP function.

How To: Hack websites using cross-site scripting (XSS)

In this episode of Full Disclosure we are explaining the website attack known as Cross-Site Scripting (XSS). Cross-Site Scripting is a type of security vulnerability that affects web applications that do not sanitize user input properly. This kind of vulnerability allows an "attacker" to inject HTML or client side script like JavaScript into the website. Cross-Site Scripting is most commonly used to steal cookies. Cookies are used for authenticating, tracking, and maintaining specific informa...

How To: Write an XSS Cookie Stealer in JavaScript to Steal Passwords

JavaScript is one of the most common languages used on the web. It can automate and animate website components, manage website content, and carry out many other useful functions from within a webpage. The scripting language also has many functions which can be used for malicious purposes, including stealing a user's cookies containing passwords and other information.

How To: Make Your Own Battery-Saving 'Lite Apps' for Android

Several major web services—most notably Facebook—have horrendous Android apps that occupy way too much space and drain battery life at an alarming rate. Such issues have led to a new trend where third-party developers create minimalist "lite" apps that are essentially the mobile website bundled into a native Android wrapper, freeing up storage space and saving battery life without sacrificing many features at all.

How to Train Your Python: Part 10, Making Our Own Functions

Welcome back! In the last iteration of how to train your python, we covered error detection and handling. Today we'll be diverging from this and discussing functions. More specifically, we'll be creating our own functions. First we'll need to understand exactly what a function is, then we'll get on to making our own! So, let's get started!

How To: Graph a rational function using limits

Need help figuring out how to graph a rational function with limits? Learn how to graph a rational function using limits to find discontinuities and functional asymptotes with this free video lesson. 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).

How To: Do normal probability calculations on a calculator

Probability computation is a complex process and even using a calculator can be difficult. But normal probability calculations can be performed quickly with the help of calculator once you know how to use it. So when you have to calculate a probability from a normal distribution you can use the functions on your scientific calculator. You can use the normal CDF function from you calculator to compute the area under a normal curve. The function requires lower band and upper band values, the me...

How To: Use the IF function with letter grades in Excel

This six-minute tutorial shows you how to use the logical IF function with letter grades in Excel. The video features a sample table with a sample assigned grading scheme ranging from A to F, which is a common application of the logical IF statement in Excel. After the data is added to your Excel table, use the IF function in the respective cell or column by inputting the logical test, the value if the test is true, and the value if the test is false. In addition to showing you how to use the...

How To: Solve operations on rational functions (f o g)(x)

YAYMATH In order to use rational functions in intermediate algebra, Robert Ahdoot begins by setting values to the functions f(x) and g(x). He then adds these functions together, with the equation (f+g)(x). After addition comes subtraction, using the equation (f-g)(x). And finally multiplication, which is (ftimesg)(x). This is a little more complicated, requiring distribution of a binomial across a polynomial, but it's clearly demonstrated and explained. This video explains what to do with add...

How To: Create a table for the VLOOKUP function in Excel

In this video tutorial, viewers will learn how to create a table for the VLOOKUP function in Excel. Create a dynamic table for the VLOOKUP function as well as a dynamic lookup area so that as you add new data or columns to the Lookup table. Create dynamic ranges using the Excel Table feature and Table Formula Nomenclature for the Data Validation drop-down list, the VLOOKUP table and the MATCH table. See an IF function formula that creates new labels as new columns are added to the lookup tabl...

How To: Find the x & y intercepts of rational functions

In this tutorial the instructor shows how to find the x and y intercepts of rational functions. Finding the intercepts of a rational function is similar to finding the intercepts of other normal equations. You can find the x intercept of the equation by setting the value of y to zero and solving the equation. Similarly you can solve the y intercept by setting the value of x to zero and solving the equation. Now while solving this rational function for intercepts if you face a situation where ...

How To: Find the equation of a tangent line

This is the video about how to find the equation of a tangent line. As you may recall, a line which is tangent to a curve at a point a, must have the same slope as the curve. Therefore, the slope of the tangent is m = lim f(a + h) - f(a) h-->0 h Since the slope equation of the tangent line is exactly the same as the derivative definition, an easier way to find the tangent line is to differentiate using the rules on the function f. For example, Find the slope of a line tangent to the function ...

How To: Submit your website to various search engines

In this video tutorial the instructor shows how to submit your website to Google and its search engines. To do this first you need to have an account with Google. If you do not already have one go ahead and sign up for an account with Google. Now search Google for the webmaster tool. Then it opens the Google webmaster website which you can enter with your Google user name and password. Now inside there is an option to add a new website. You can type in the URL of the website and submit. Now G...

How To: Use YEARFRAC, INT, and DATEDIF in Excel

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 extract the difference in years directly by using formula to calculate it. He shows how to use Yearfrac function which gives the number of years in decimal form. He also shows how to extract integer from the decimal using ...

How To: Use the QUOTIENT and MOD functions in Microsoft Excel

Microsoft Office Excel 2007 spreadsheet manager is a powerful tool that enables information workers to format spreadsheets, as well as analyze and share information to make more informed decisions. In this MS Excel video tutorial, you'll learn about the QUOTIENT and MOD functions. Note that, in urder to use these functions, you'll need to install the analysis ToolPak. For more information, watch this Excel how-to.

How To: Find the equation of trig functions by their graphs

Need to know how to determine the equations of trigonmetric functions by inspecting their graphs? Learn how. 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 f...

How To: Chart data & use Excel's SUMIFS & AVERAGEIF 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 nth installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to create and use simple charts in MS Excel as well as see how to use Excel's SUMIFS & AVERAGEIFS functions. Specifically, this video covers the following topics:

How To: Use the WORKDAY & WORKDAY.INTL functions in Excel 2010

This video tells us the method to use the WORKDAY & WORKDAY.INTL functions in Excel. These functions are used to find a workday after a finite number of workdays in the future. WORKDAY uses Saturday and Sunday as off days. Its syntax is WORKDAY(start date, days, [holidays]). 'days' refers to the number of days in the future and holidays is the list of holidays written below each other in the same column. If Saturday and Sundays are not your off days, use WORKDAY.INTL. Its syntax is WORKDAY.IN...

How To: Calculate days with Microsoft Excel's INT 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 300th installment in their series of digital spreadsheet magic tricks, you'll learn how to use date and time functions together. Specifically, you'll see how to use the INT function to calculate total days worked and the TEXT function to calculate total hours worked.

How To: Use conditional IF formulas in Microsoft Office 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 334th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the IF function. This video starts with IF function basics and then shows 12 different examples of how the IF function can be used in formulas. Also see how to use AND, OR, SUM, AVERAGE, STDEVP and VLOOKUP functions.

How To: Graph radical functions in college 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 study for that next big test). With this two-part installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to graph a rational function in college-level algebra.

How To: FTP from a local computer to a website

In this video tutorial, viewers learn how to create a FTP from a local computer to a website. In this video, viewers are shown (once you've chosen a web host) how to perform FTP file transfers from your local computer to your website. FTP (File Transfer Protocol) is a process that you can use to transfer files from your local computer to a remote computer (your website). Once you've set up a hosting account, your hosting company will provide you with FTP login credentials. Using an FTP softwa...

How To: Use AJAX with jQuery to create websites

AJAX (Asyncronous Java and XML) is one of the most important parts of web design, allowing web designers to create much more dyanmic and interactive websites then they could in the past. This video for beginners will show you how to get started using AJAX with jQuery, an easy-to-use but powerful Javascript library, to make websites. It won't walk you all the way through creating a website, but is a good place to get started.

How To: Submit your website to the Google search engine

Learn how to submit your website to the Google search engine in simple steps. 1. First go the Google home page and type in the address bar '/addurl'. 2. Now type the URL of your website in the text box correctly and enter some details about your website in the Comments area. 3. Now type in the verification code to finish and add your website to Google. 4. You can even submit your website to many other search engines like Google.

How To: Beginner's Guide to OWASP Juice Shop, Your Practice Hacking Grounds for the 10 Most Common Web App Vulnerabilities

Web application vulnerabilities are one of the most crucial points of consideration in any penetration test or security evaluation. While some security areas require a home network or computer for testing, creating a test website to learn web app security requires a slightly different approach. For a safe environment to learn about web app hacking, the OWASP Juice Shop can help.

How To: Create a free website from scratch

You can create a free website using HTML. HTML is hyper text mark up language. Create a folder "my webpage" with all of the images and information for the webpage. Use notepad to write the HTML for the website. Notepad plus is the best which can be found on Sourceforge. Open the browser and the notepad and begin to construct. These codes will help in the creation of the page: <html> opens instructions </html> closes instructions. These are called tags. One opens the commands or instructions a...

How To: Prevent cross-linking your websites together from hurting your Google ranking

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 expla...

How To: Avoid sock puppet marketing and the associated law suits 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: Merge two websites together successfully with 301 redirects

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: SEO your website on a small budget and improve its Google ranking

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 ...