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We present results of a 45-participant laboratory study investigating the usability of tools to limit online behavioral advertising (OBA).We tested nine tools, including tools that block access to advertising websites, tools that set cookies indicating a user's preference to opt out of OBA, and privacy tools that are built directly into web browsers.

"Online Python Tutor is a free educational tool that helps students overcome a fundamental barrier to learning programming: understanding what happens as the computer executes each line of a program's source code. Using this tool, a teacher or student can write a Python program directly in the web browser and visualize what the computer is doing step-by-step as it executes the program."

Online Python Tutor is a free educational tool that helps students overcome a fundamental barrier to learning programming: understanding what happens as the computer executes each line of a program's source code. Using this tool, a teacher or student can write a Python program directly in the web browser and visualize what the computer is doing step-by-step as it executes the program.

"Want to learn HTML, CSS, JavaScript or web app languages but don't know where to start? Here we present the best places to learn web design online."

Educators have been tapping into the wildly popular online game Minecraft for its potential as a learning tool for a while now - to teach physics, math, and computer science. But until recently, the game was mostly the territory of computer science teachers, and even they were forced to use the commercial version of the online game. So a few months ago, two teachers, Santeri Koivisto and Joel Levin, decided to make the software more accessible and relevant to teachers. They joined forces to found MinecraftEdu and started offering discounted educator licenses to Minecraft.

A lot of website security awareness has been raised over the last week since the release of a simple-to-use website user account hijacking tool called FireSheep.  The tool gives attackers temporary full access to your web accounts like Facebook, Twitter, and Microsoft Hotmail.

"Online syntax highlighting"

Processing is an open source programming language and environment for people who want to create images, animations, and interactions. Initially developed to serve as a software sketchbook and to teach fundamentals of computer programming within a visual context, Processing also has evolved into a tool for generating finished professional work. Today, there are tens of thousands of students, artists, designers, researchers, and hobbyists who use Processing for learning, prototyping, and production. » Free to download and open source » Interactive programs using 2D, 3D or PDF output » OpenGL integration for accelerated 3D » For GNU/Linux, Mac OS X, and Windows » Projects run online or as double-clickable applications » Over 100 libraries extend the software into sound, video, computer vision, and more... » Well documented, with many books available

Microsoft Word processor offers a range of tools and features to customize your documents. You can modify fonts on all possible verticals including size, look, style, color, alignment, etc.

Edit Photos in Windows 8.1 "Here is how to edit photos in Windows 8.1 using the Photo editing tool included with every Microsoft Surface and device running Windows 8.1. "

Code it online.

Page Speed Online analyzes the content of a web page, then generates suggestions to make that page faster. Reducing page load times can reduce bounce rates and increase conversion rates

Techniques like "evercookies" and "device fingerprinting" are new and controversial in the online ad industry, but they're widely used by firms that seek to catch cyber criminals.

Use our online generator to create your own QR codes. Select the type of the code, then press "create code" button. Once you do that you can save it (as GIF or PDF) for further use. Registered users have also option to store codes in folders, manage and edit them.

Despite updated operating system, browser, browser add-ons, installed firewall, and acute computer security settings, clever viruses, spyware or Trojans may find loop-holes to slip into your system. Not only in terms of performance, but in terms of stability and security too, these malicious software push you on back-foot. What to do next?

Now, Mac is the next target of hackers. Till now, Mac operating system was untouched by hackers and Mac users were accessing web freely.

Advantages: Keeps system running smooth Protection against Internet frauds

You can easily transfer files between Macs through USB drive or a conventional file-sharing services via network connections. Also, these days' synchronization services like BitTorrent Sync, Dropbox, and Google Drive are highly used. Nowadays, you can use Mac Screen Sharing services to transfer files.