Systems Function Search Results

Hacker Hurdles: DEP & ASLR

This is the first installment in a new series that I am calling "Hacker Hurdles." These are things, methods, techniques that make our job as hackers more challenging and difficult. Don't misunderstand me, these items don't make our task impossible, but rather more challenging and, therefore, more gratifying when we are successful. One of the most important new hurdles for hackers is DEP and ASLR. Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR) are designed to pre...

How To: Change Fonts on a Per-App Basis for Android

As much as app developers would like to simplify things with icons and visual cues, text is still a huge part of a smartphone's interface. Much of our media consumption is text-based, and while Google's Roboto font is a beautiful typeface, a little variety here and there certainly wouldn't hurt.

How To: Test your system performance in Windows 7

In this video tutorial, viewers learn how to test their system performance. Begin by clicking on the Start menu and select Control Panel. Then click on System and Security, and select "Check the Windows Experience Index" under System. Now click on "Rate this computer". The system will then begin to run some tests. This will take about 1-2 minutes. The Windows Experience Index assesses key system components on a scale of 1.0 to 7.9. This video will benefit those viewers who use a Windows 7 com...

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 micro-misters for drip irrigation systems

Micro misters allow for low volume of water over a wide area. They give good moisture coverage. Systems can be pulled up, changed and made into what you need it to be. Keep potted plants separate from other plants. They should have their own system. There is a system to encourage growth of root systems of various plants. Shrubs get two emitters in case one clogs up, the plant still has moisture. Having the water at the base of the plant limits weed growth. There is a temporary system to get t...

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: Solve a system of linear inequalities via elimination

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 solve a system of linear inequalities by elimination.

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: Winterize your irrigation system

Don't let that winter freeze ruin your automatic drain irrigation system. Winterize your irrigation system to make sure everything runs as smoothly as before when the cold weather goes away. This will save you a lot of hassle and money. This video will show you how to winterizie your irrigation system.

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: 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: Use System Repair Engineer to combat viruses & malware

Your Windows computer may be experiencing some issues, and those issues may be a direct result of computer viruses and malicious software from the internet. One of the simplest ways to find these issues and repair them is by using a freeware program called System Repair Engineer (SREng). But that's not all it can do… check out the video to see a basic overview for using SREng.

How To: Generate a System Restore point on a Windows 7 PC

This video describes how to make a system restore point. First we have to go to click the start on the keyboard. Next select the computer and go for the properties. Next go to system protection. Next go the protection settings and highlight the operating system and give option of “on” on the protection and just click the create. Then you will get a box of system protection. Next you can give a name and then click ok to that it will take some time. Next if you go for system properties you ...

How To: Install Ubuntu 8.10 to dual-boot on Windows

In this how-to video, you will learn how to create a dual-booting system with Ubuntu and Windows. First, go to the Ubuntu website and download the latest Desktop Edition of Ubuntu. Once it is finished, burn the download to a CD. Once this is completed, place the CD in the drive and restart. Boot using the CD and select English. Now, click forward and select your time zone. Click forward, select your keyboard type and click forward again. Now, you can adjust the partition sizes for your hard d...

How To: Use the double space function in MS Word 07

Here you will learn how to use the double space function in MS Word 07. To use the double space function in MS Word, do the following: Open MS Word 07. After typing in some text, highlight the part which you want to double space. Click on the Icon that says "Line Spacing". Click on it and scroll down to find 2.0. Click on it. Now your work has been double spaced. A shortcut to do this would be to click Control and 2, and it will automatically double space everything for you.

How To: Solve a system by the elimination method

In this video the instructor shows how to solve a system of equations by elimination method. First you need to know how many possible number of solutions you can get by solving a system of equations. There are three possibilities. In the first case there are two lines with different slopes, so they intersect at a point which is the solution to that system. In second case there can be two lines with same slope but are parallel to each other. In this case the system has no solution. In the thir...