Digital Currencies Search Results

Hack Like a Pro: Digital Forensics for the Aspiring Hacker, Part 5 (Windows Registry Forensics)

Welcome back, my aspiring hackers! As I mentioned in earlier posts, the best hackers (or at least those not behind bars) have a keen understanding of digital forensics. If I am tasked to intrude upon an enemy's file server to retrieve war plans, such as in this tutorial, it is essential to my country's (and my own) well-being that it not be traced back to me. Understanding digital forensics helps us to leave without a trace and never have a trail back to us or our employer.

Hack Like a Pro: Digital Forensics Using Kali, Part 1 (The Tools of a Forensic Investigator)

Welcome back, my greenhorn hackers! Lately, much of the discussion here on Null Byte has revolved around evading detection and not getting caught hacking. Several of you have written me asking for a series on evading detection and forensics, and while I began a series 5 months ago on just that, we have changed hacking platforms from BackTrack to Kali, which has a much more highly developed forensic toolset.

How To: Calculate liquidity ratios in Microsoft Excel 2010

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 16th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate liquidity ratios including current ratio, times interest earned and cash Ratio. Also see how current ratio changes when certain trans...

How To: Make a DIY video remote for Canon DSLR cameras for under 10 bucks

If you have a Canon digital camera and plan on shooting video with it using a camera rig, then you'll want a good way to control your recordings with a start/stop button. A remote control is the way to go, but don't spend all that money— make your own! The remote in the video is hardwire into the camera and onto the rig for easy handling. You'll need your Canon 5D MK II HD DSLR (but it will work on other Canon models, too), a Canon RC-6 Remote Control (or generic brand), fiber optics cable, w...

How To: Make high-quality home music recordings on a shoestring budget

If you're a musician, but can't cover the cost of an expensive recording studio to get your song onto a playable media, then this video is what you need. It will show you how to make your own high-quality home music recording studio on a shoestring budget! If you're trying to get the attention of big music record labels, you need some hgih-quality sounds, but you don't need the high-quality costs! The setup is pretty simple— a microphone, MP3 player, sound mixer, headphones and a good-quality...

How To: Make smart contact sheets with Photoshop

In this photography tutorial, you learn how to create a contact sheet using Photoshop for your digital photography prints. In order to create this contact sheet, you can open Photoshop, go to File, find the subfolder called "Automate" and then choose to create a contact sheet. If your version of Photoshop does not appear to have this setting, your version of Photoshop should have come with a secondary disk which has this feature. You can also find the file from Adobe if you do not have the go...

How To: Edit a beat in Logic Pro Studio 8 or 9

In this two-part lesson, you'll learn how to edit a simple beat when writing electronic music in Logic Pro. Whether you're new to computer recording, new to the Apple Logic DAW (digital audio workstation) or just looking to pick up a few new tricks, you're sure to benefit from this free video software tutorial from NextStepAudio.

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: Use Photoshop CS5's content-aware fill tool to remove an element from an image

Want to know how to remove unwanted objects from a digital photo with the content-aware fill tool in Adobe Photoshop CS5? It's easy. And this clip will show you precisely how it's done. Whether you're new to Adobe's popular raster graphics editor or a seasoned designer looking to better acquaint yourself with the new features and functions of the latest iteration of the application, you're sure to benefit from this free software tutorial. For more information, watch this video guide.

How To: Increment numbers in formulas 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 692nd installment in their series of digital spreadsheet magic tricks, you'll learn how to increment numbers in formulas to get 2,2,2,2,4,4,4,4 or 1,1,1,1,3,3,3,3 or 1,2,3,4,1,2,3,4 or 11,22,33,44 using the ROWS, INT, MOD and COLUMNS functions.

How To: Identify the first occurrence of a value in a column 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 697th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a column of 1s and 0s (ones and zeroes) where 1 indicates the first occurrence and 0 indicates any remaining duplicates.

How To: Create a vivid eye color effect in Adobe Photoshop CS5

Looking for a quick guide on how to really make your model's eyes pop when retouching a digital photo in Adobe Photoshop CS5? This clip will teach you what you need to know. Whether you're new to Adobe's popular raster graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch ...

How To: Clean up a photo of a newborn in Adobe Photoshop Elements

Interested in using Photoshop Elements to touch up a digital photograph of a newborn baby? This clip will teach you what you need to know. Whether you're new to Adobe's popular raster graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.

How To: Retouch and edit portraits in Adobe Photoshop CS4

Want to touch up a digital portrait in Photoshop CS4 but need some help getting started? This clip will teach you what you need to know. Whether you're new to Adobe's popular raster graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.

How To: Calculate Commission Based on Varying Rates 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 673rd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the SUMPRODUCT formula to calculate commission amounts based on varying commission rates based on cumulative sales totals for each month.

How To: Count with OR criteria 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 674th installment in their series of digital spreadsheet magic tricks, you'll learn four different methods for counting OR criteria in Microsoft Excel 2010:

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: Create a defined name for a dynamic range 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 676th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a Defined Name formula for a dynamic range (columns can vary) using the INDEX and MATCH functions. This formula works when there are no column headers (field names).

How To: Average the last three values for an entity 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 677th installment in their series of digital spreadsheet magic tricks, you'll learn how to average the last three scores eneterd for any Player using the functions: AVERAGE, IF, ROW, COUNTIF, MIN, LARGE.

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: 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: Ignore nested subtotals with AGGREGATE 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 664th installment in their series of digital spreadsheet magic tricks, you'll learn how to make a calculation on a column of values that contain subtotals that you do not want to include in the calculations. The AGGREGATE function will ignore nested SUBTOTAL and AGGREGATE functions when making calculations.

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 AGGREGATE function 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 669th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AGGREGATE function in Microsoft Excel 2010 and later. This new function is better than SUBTOTAL function because 1) the options argument set to 18 will calculate Percentile and 2) AGGREGATE can handle arrays. See how th...

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: Extract records with 2 criteria with 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 671st 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 two criteria. This is a lookup problem where you want to return multiple records from two lookup values. This formula is not an array formula because it...

How To: Extract the rows in a data set to 1 column 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 650th installment in their series of digital spreadsheet magic tricks, you'll learn see how to take all records from a data set and place them into one column using the INDEX, INT, ROWS and MOD functions.

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: Create a frequency polygon line 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 655th installment in their series of digital spreadsheet magic tricks, you'll learn see how to create a statistical frequency polygon using a line chart. Also see how Excel mistakenly interprets number category label data as Number Series data.

How To: Calculate invoice due dates with EOMONTH 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 657th installment in their series of digital spreadsheet magic tricks, you'll learn see howto calculate Invoice Due Dates & Financial Statement Dates using the EOMONTH function including end of the month and beginning and ending dates for each quarter.

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: Make budget summary tables that add by month 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 642nd installment in their series of digital spreadsheet magic tricks, you'll learn how to create a budget summary table that adds by month and payee. See the benefits and drawbacks of the SUMIFS & EOMONTH functions method or the PivotTable method. Also learn about the Excel Table feature for adding dynamic ranges.

How To: Use Photoshop's liquify filter to change how you look

The Liquify filter lets you paint in distortions so you can perform digital nips and tucks. You can slim people down, edit their posture, and make them look exactly how you want them to. See how in this video. Whether you're new to Adobe's popular raster graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detaile...