In the last iteration of how to train your python, we covered basic string manipulation and how we can use it to better evaluate user input. So, today we'll be covering how to take user input. User input is very important to scripting. How can we do what the user says if we can't tell what the user wants? There are multiple ways to take input, we can give the user a prompt and take input from them directly, or we could use flags/switches, and take their input before the script is even execute...
Man-in-the-Middle attacks can prove to be very useful, they allow us to do many things, such as monitoring, injection, and recon.
Mac keyboards are great when listening to music or watching a movie, since you can control what's playing without going back into iTunes or QuickTime Player. However, when you're using an app like Photoshop that uses the F7, F8, and F9 as shortcuts, it gets pretty annoying to have to hold down the Fn key. Why can't you just hit the back, play/pause, and skip buttons alone?
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 52nd installment in their joint series of digital spreadsheet magic tricks, you'll learn how to use the INDEX function to turn a Ctrl + Shift + Enter array formula into just an Enter array formula. Avoid Ctrl + Shift + Enter by using the INDEX function and a blank as the row argument.
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 722nd installment in their series of digital spreadsheet magic tricks, you'll learn how to calculate gross pay for the week from time values using the SUMPRODUCT function. Also see what to do if you get a #VALUE! error from blanks in cell using the IF function and an array logical test.
In this video, we learn how to use the UVW unwrap function in 3D Studio Max. First, go to the UV modifier wrap and select all the faces. Once here, edit the parameters and then go to the mapping menu. After this, you will be able to change the object as you would like. After you are finished with this, save your object to your computer in a spot you won't forget it. You can create several different layers and change the colors as you prefer. You can completely customize your experience on thi...
In order to add additional buttons to your Thunderbird Tool Bar, you will need an add-on called "Custom Buttons". It will allow you to add additional buttons to your tool bar. You will need to give instructions for the buttons, which you will use Java Script in order to set it up. Otherwise, the button will not have a function.
In this tutorial, we learn how to use the main menu functions in Photoshop CS3. All of your main menus are up on the top toolbar. There will be a drop down list for each different tab you select. When you create a new document, you will be prompted with a dialogue box that asks you how you want your page to be set up. Change the preferences to fit how you want your page to look. When you have changed all of your different settings, click on "ok" and you will be brought to your new document cr...
Learn how to set the timer function when using aPanasonic G1 or GH1 digital camera. Learn how to set the auto mode on a Panasonic G1 or GH1 digital camera. Whether you're the proud owner of a Panasonic Lumix DMC-G1 or DMC-GH1 micro four thirds digital camera or perhaps just considering picking one up, you're sure to like this free video tutorial, which presents a complete overview of how to take timed photographs with a G1 or GH1 camera. For more information, including detailed instructions, ...
Thinking of an unknown exponent as a cat stuck in a tree, you will see how to bring down the exponent by using the the log function. In other words, you will be utilizing the Power Law to bring the exponent down in front of the log function. In this slightly more complicated example, a little work has to be done to first be able to take the log (i.e., get the base by itself). Then once you take the log, the unknown still isn't entirely by itself, so you divide off everything it's being multip...
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 166th installment in their series of digital spreadsheet magic tricks, you'll learn about the relative advantages and disadvantages of the ampersand symbol and the CONCATENATE function (both join two [2] or more elements together into one text string).
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 16th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to sort data in MS Excel. Specifically, you'll see the following:
If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 38th installment in his "Excel Statistics" series of free video lessons, you'll learn how to use the RANK and PERCENTRANK functions as well as the Data Analysis add-in's Rank & Percentile tools.
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 6th installment in his series of Excel name tricks, you'll learn how to use the Names & Wildcards with the COUNTIF function. Specifically, see how to search through a list of addresses and count just the ones on Birch Street in this free video lesson.
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 55th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use the Excel 2007 remove duplicates tool and the COUNTIF function to count unique records that are greater than $30. Learn to love digital spreadsheets more perfectly with the tricks outlined in this free Microsoft Office how-to.
This is a video tutorial showing its audience how to link a button to external urls in Flash CS3. First create a exoscript 3 document with a rectangle textbox that says youtube. Next select your rectangular box and convert it to a button. Next name your button and click okay. Next give your new button an instance name, remember this name. Now click on actions and create your actions. Start with a stop action and then put the name of the button as an action. Next name your function that you wa...
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 22nd installment in their series of digital spreadsheet magic tricks, you'll learn how to use the NORMDIST function to calculate probabilities for a population with a normal (bell) distribution! You even get to see the four types of situations that you most commonly encounter -- plus visual pictures of each situation...
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 240th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a dynamic range with the OFFSET function and a named formula when new records are added at the top instead of the bottom.
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 158th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the VLOOKUP function to retrieve data and the OFFSET function to look at just part of the desired table.
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 145.75th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AVERAGEIF (AVERAGE IF) function to create a formula that will calculate the average when you have more than 1 criterion.
This video demonstrates how to do anti-differentiate functions with radicals in calculus. To simply problems, try to substitute. For example, in the problem, the integral of x times the square root of x plus 2 dx. You can substitute w for everything underneath the radical: i.e. x + 2. When you simplify, it becomes: the integral of x times the square root of w dw. Now, you need to get rid of the x, which you can do with a substitution: w – 2 = x. Now, plug in the values and simplify it.
This video tutorial from pirateskool presents how to enable screen share function in iChat application in Leopard operating system.Firstly, you need to ensure Screen Sharing function is enabled. From menu dock on your desktop, choose System Preferences option.In the opened window select Sharing. Make sure Screen Sharing is checked.Now you can close system preferences window.To establish screen sharing you need another user, who has Leopard operating system and iChat communication application....
Steps taken to get the Copy to and Move to folder function in Windows 7 are:1. Go into the description and click the download link, to download the files2. After downloading the registry file you will see a zip file, which you need to extract using the software called Win Zip.3. After extracting the zip file, you will see two registry file (copy to and move to) execute both the registry file and give Yes, so that the file gets installed successfully.4. After successful installation, it is rec...
This tutorial will focus on how to use the fit image function within Adobe Photoshop. You will utilize this function when you want the pixel width to match between different sized photos in portrait and landscape. First you will select all the photos (you must create a batch action in Photoshop). Next select the fit image option in the file menu under automate. You will need to put the same number into length and width to constrain the proportions of your landscape and portrait photos have th...
This video was made to help users with disabilities use Windows XP more efficiently in their lives. Starting with entering the control panel the and clicking on the accessibility options the user will have an array of options to help customize their settings to their needs. The demonstrator showed that sticky keys are for those who have a difficult time holding down buttons at once for functions. The filter key eliminates double strokes for certain keys so you would need to hold down a key to...
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.
iTunes offers the ability to extract and copy data with its rip and burn functions. Ripping lets you import songs into your iTunes library from a variety of sources. Burning lets you write audio files on to a CD. Once you customize the audio file playlist that you wish to have on CD, simply initiate the program's burn function, and you'll have a music CD in no time.
This video shows you how to get the quadratic equation for the quadratic function with roots; (5,0), (12,0) which passes through the point(8,6). It shows a man solving this problem using a black board and chalk to clearly demonstrate the method of plugging in the respective coordinates to arrive at an answer. After watching this video, any person over the age of twelve will know how to use quadratic functions to derive quadratic equations and solve mathematical problems with this particular m...
ExcelIsFun will show you how to use indirect text and substitute in Excel. Select any date and product and create an intersession. Use Vlookup to look up your columns. Use the match function to find the value range. To do the same thing with dates, highlight the dates and names. You then let the name look for indirect. Your space operator tells you two ranges to find the intercept. Take the text and substitute for the dashes. Use the text function on the value and format it.
The Panasonic HVX-200 video camera is capable of high definition recording, but how do you even use it? This how-to video demonstrates the basic functions you'll need to master to operate this advanced piece of electronic equipment. Follow along and learn how to change and charge the battery, select the right media, calibrate the video camera, use the audio, and adjust shooting functions. Watch this video tutorial and learn how to use the Panasonic HVX-200 video camera.
Electrolytes are solutions containing ions usually found in sports drinks that help maintain proper hydration during extreme physical activity. A balance of electrolytes is important for the normal functioning of the cells and organs of our body. The most popular electrolytes are sodium, potassium, chloride and bicarbonate. Try these tips for buying foods rich in electrolytes in this nutrition how-to video.
While we personally like to learn a new software program by playing around with its buttons and various functions, sometimes it's a nice primer to actually read the instruction manual. And when it comes to video editing, knowing the particularities of each and every function is crucial to producing professional-quality results.
Salama Sirsasana is an advanced yoga move that strengthens the arms, legs, spine and lungs, tones the abdominals, and relieves depression. To prepare for headstand, you may use the following poses to strengthen your upper body. Upper pushup position, Lower pushup position, and downward facing dog. If you cannot perform headstand, trying building strength and letting your legs rest before raising them. This video will show you how to perform a yoga-style headstand in a safe and effective manner.
For SQL injection, the next step after performing reconnaissance and gathering information about a database is launching an attack. But something seems off .. in the real world, it's usually not quite as simple as passing in a few fragments of SQL code to an input field and seeing all that glorious data displayed right in the browser. This is when more advanced techniques are needed.
While attempting to hack a web app, there may come a point where the attacker may have to escape the default directory in order to access unauthorized files. This is known as a directory traversal attack. Much as the name implies, this attack involved traversing the servers directories. But in order to move to an unauthorized directory, we need to know where those directories are. Today we'll be building a tool to brute force these directory locations based on HTTP response codes. Before we g...
OK, In my last Tutorial we made a Server for sending Instructions to a Client. This time we will build the Client. Fire up your favourite Python environment and get the Code here.
Hi I am a new member of null byte(although I am reading this website from the beginning) and this is going to be my first post.
Hi everyone! After messing around a little bit with IDA and Hopper disassemblers and briefly introducing you to memory, registers and Assembly, we are going to understand what happens when a process is running, which variables join the play and especially what happens when a function is called and why is this procedure-logic so interesting and useful along with the concept of stack.
Given a function, you can easily find the slope of a tangent line using Microsoft Excel to do the dirty work. That is to say, you can input your x-value, create a couple of formulas, and have Excel calculate the secant value of the tangent slope. This is a fantastic tool for Stewart Calculus sections 2.1 and 2.2.
