Salient Functions Search Results

How To: A Hacker's Guide to Programming Microcontrollers

While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. In this guide, we'll build an Arduino program from scratch and explain the code structure in a way anyone can understand.

SPLOIT: How To Build a Peer to Peer Chat Application in Python ( GUI - Linux )

Developing GUI apps in python is really cool. I ask those who understand the language to help convert some of the command-line or console programs or apps ( I mean programs that are useful to a hacker ) to GUI. I know GUI makes us lazy and not wanna learn but we should all know its fast. Today's tutorial is on p2p chat app I developed last week and decided to share it with the community since its kinda cool.

How To: Use the groove function in Ableton Live 8

In this tutorial, we learn how to use the groove function in Ableton Live 8. A group settings consists on points along the timeline where hits sit. If you have something with no groove applied, it will sound robotic. By adding a groove, you will shuffle around the midi from the hard quantized parts. This will add more human element to the audio. There is a button on the left with two lines that show the library with options you can use. You can also apply this to other clips, scroll through t...

How To: Extract numbers from a text string with Excel's LEFT, SEARCH & TRIM functions

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 706th installment in their series of digital spreadsheet magic tricks, you'll learn how to to use the LEFT, SEARCH and TRIM function to eaxtract numbers from a text string that can then be used in a calculating formula.

How To: Validate data with dynamic VLOOKUP functions in 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 675th installment in their series of digital spreadsheet magic tricks, you'll learn how to do data validation using a custom logical formula with 2 VLOOKUP functions that will change when different products are entered. For example, if shirt product is entered, the data validation will let only values between $50 and...

How To: Sum values after a deadline in Microsoft 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 678th installment in their series of digital spreadsheet magic tricks, you'll learn how to SUM only the values after a deadline using a dynamic range formula using INDEX Function. Also see a SUMPRODUCT function method.

How To: Add yearly totals from monthly data 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 679th installment in their series of digital spreadsheet magic tricks, you'll learn how to summarize yearly totals from monthly totals when there Year Criteria is entered as a serial date. See the SUMPRODUCT and SUMIFS functions. Learn about criteria and how to enter it into the SUMIFS functions.

How To: Extract records with 1 criterion via Excel's AGGREGATE

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 670th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AGGREGATE function to create a formula for extracting records with one criterion. This is a lookup problem where you want to return multiple records from one lookup value. This formula is not an array formula because it...

How To: Use Boolean logic for AND & OR formulas 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 652nd installment in their series of digital spreadsheet magic tricks, you'll learn see how to create Boolean Logic formulas for AND and OR Logical Formulas. See Logical Truth Tables for AND and OR. Also see how to create array formulas in two different ways: the SUMPRODUCT function (DON'T have to use Ctrl + Shift + ...

How To: Use the COUNT and COUNTA 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 658th installment in their series of digital spreadsheet magic tricks, you'll learn see how to use the COUNT & COUNTA functions correctly. COUNT counts numbers. COUNTA counts non-empty cells.

How To: Access all Windows 7 settings at once

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 and Settings) on top of the window and select the option that you wish to use. This program will organize all the Windows 7 settings into an easy to comprehend layout. This video will benefit those viewers who use a Wind...

How To: Use the sine, cosine & tangent trigonometric functions

New to trigonometry? Learn how to calculate cosine, sine and tangent with this 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). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how t...

How To: Fill in missing column values with Excel's IF 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 605th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the IF function to fill in column with missing values then use Paste Special Values to create the final column with correct values. Also see three methods for Paste Special Values.

How To: Fix a DGET #NUM! error 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 595th installment in their series of digital spreadsheet magic tricks, you'll learn how to resolve a problem that the DGET function and advanced filter have with criteria and duplicates. See how to switch to either the VLOOKUP function or not criteria for advanced filter.

How To: Use VLOOKUP queries inside of an MS Excel IF 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 588th installment in their series of digital spreadsheet magic tricks, you'll learn how to determine whether an employee is exempt from a tax using a VLOOKUP in an IF function, and if not use a second VLOOKUP lookup query to look in tax tables to look up and calculate the tax

How To: Look up a time value with Excel's VLOOKUP function

Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 48th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use the VLOOKUP, ISTEXT, ISBLANK, OR and IF functions in one formula to look up a time value. Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.

How To: Force text formulas to wrap with Excel's CHAR 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 228th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the CHAR (10) function to add hard line returns (forced wrapped text) to a text formula created with the ampersand (&) and concatenation tools.

How To: Use the BINOMDIST & NORMSDIST functions in 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 274th installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate various probabilities for a binomial distribution when there are additional complicating factors. This is accomplished with recourse to Excel's BINOMDIST, NORMSDIST, SUMIF, SUM, INDEX and MATCH functions. See also how to create th...

How To: Use the PERCENTILE & QUARTILE functions in MS 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 248th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the PERCENTILE and QUARTILE functions to calculate percentiles, quartiles and deciles in basic statistics.

How To: Use the COUNTIF function 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 180th installment in their series of digital spreadsheet magic tricks, you'll learn how to count specific words, specific numbers, numbers greater than a hurdle, numbers between two values, values that are NOT equal to an amount, words that end in es, all words, all numbers, all content, all blanks, all things which aren't words ...

How To: Extract part of a table from a larger table in 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 185th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a formula to extract part of a table from a larger table. You'll accomplish this with an array formula that uses Excel's INDIRECT, IF, ROWS, COUNTIF, INDEX, SMALL, and ROW functions. The formula will extract records that meet one con...

How To: Use the audio effects rack in Ableton

This video is a tutorial for a music producing software program called Ableton Live 8. In this tutorial he shows you how to apply effects to effects to audio using the audio effect rack function. The way this function works is by being dragged into the bottom of the program and being applied as a place to hold various effects. Using the effect rack you can modulate and manipulate the sound waves in the effect. This is a very convenient tool to have in Ableton because it allows you to have mor...

How To: Use the Finder buttons in Mac OS X

This video instructs you how to use the "Finder" Button if you own a Mac on OS X. The "Finder" window shows the Mac user the contents of the hard drive. It describes functions of the Finder folder: i.e., adding an untitled new folder in the Finder file. It also discusses how you can view the "Finder" in a variety of layouts: grids, lists, etc. The video shows you how to use the buttons on the upper left hand corner of the "Finder" screen to maximize, minimize, or close the window. It also dis...

How To: Batch automate in Photoshop

This how-to video produced by Photoshop Universe gives step-by-step instructions on how to batch automate a process in Adobe Photoshop. With this tutorial you'll be able to learn to correct white balance, enhance colors, resize, and save for the web whole folders' worth of images in one go. The first step to doing this is to open up one of the images in your folder and correct the white balance, enhance the colors, resize the photo and save. The next thing you want to do is to record all of t...

How To: Identify the constraints & function to be optimized

In this tutorial, we learn how to identify the constraints & function to be optimized. When you are asked for the elements of constraints, you are being asked for the plain English version. If you are told you only have so much of something inside of a written problem, then take into account all of the limits that are listed. Once you have these, write them down so you have them in one place. After this, write down the number for the unrestricted part of the problem. After this, you will be a...

How To: Look up and return two values to one cell 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 702nd installment in their series of digital spreadsheet magic tricks, you'll learn how to look up two values at once and return then both to one cell using 2 VLOOKUP functions and concatenation (Ampersand &) or two cells using a single VLOOKUP and the COLUMNS function.

How To: Do look-up addition with VLOOKUP & HLOOKUP 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 684th installment in their series of digital spreadsheet magic tricks, you'll learn how to do single-condition lookup adding for both the VLOOKUP and HLOOKUP functions. You'll also learn how to use an array constant in the row/column num argument for the HLOOKUP and VLOOKUP functions.

How To: Create a dynamic frequency table & chart 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 636th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a dynamic frequency table and histogram chart using defined name formulas for dynamic ranges that use the INDEX function. See other formulas that use the COUNTIF, IF and ROWS functions that help to make it fully dynamic....

How To: Overcome social anxiety

Learn to take back control if social anxiety is getting in the way of your life. The first step is to take control of conversations at social functions by asking questions. This will help you to direct the conversation more and not feel like you have no control. Next, learn to always have an exit plan for any social function you might attend. Planning an exit strategy beforehand will help you to relax. Finally, be kind and loving to yourself. Don't beat yourself up and take the time to be mor...

How To: Solve word problems involving domain and range

See how to find the domain and range of a function implied by a word problem with this free video math 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). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutor...

How To: Use the NETWORKINGDAYS.INT function 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 and Mr. Excel, the 23rd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to use the NETWORKINGDAYS.INT, RANK.AVE, PERCENTILE.EXC, CONFIDENCE.T, T.DIST, T.DIST.RT and T.DIST.2T functions in MS Excel.

How To: Work with Microsoft Excel's LOOKUP function

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 42nd installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn ten tricks involving the LOOKUP function:

How To: Create a savings plan with Excel's FV & PMT 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're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 22nd installment in his "Highline Excel Class" series of free video Excel lessons, you'll see a lifetime savings plan using the FV and PMT functions and other formulas. See how to calculate how much you will have at retirement from a basic savings plan. Then see ...

How To: Use comparative operators & logical formulas in 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 11th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use comparative operators; logical TRUE/FALSE formulas, IS functions (ISTEXT, ISNUMBER, ISBLANK, ISERROR, ISNONTEXT); IF functions (1 of 2 words in a cell, 1 of...