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How To: Install the Google Play Store on Your Kindle Fire Without Rooting

Deep down inside, Kindle Fires are actually Android tablets — the only trouble is, Amazon has layered so much of a skin on top of it all that you can't normally use Android's main app store, the Google Play Store. The Amazon Appstore, which comes bundled with Kindle Fire devices, only has about 600,000 apps, so it would be great if you could access Google Play's library, which boasts 2.8 million.

How To: Parallel Programming with OpenMP: A Quick Introduction

As many of you know, processor's clock frequency improvement got stuck in about 2003, causing the origin of multicore CPU (and other technologies). In this article I'll introduce you on how to run code simultaneously in various processors (I suppose that all of you have a multicore CPU). When you write code without any parallel directive, it only executes in one CPU at the same time (see it below). OpenMP make simple to work with various cores (if not with all of them) , without so much heada...

How To: Theme Marshmallow with Android's Hidden Theme Engine

Not too long ago, Sony was looking to create a method for theming the interface of their Xperia smartphones and came up with a framework called Runtime Resource Overlay (RRO). They then contributed this framework to Android's main code base, and Google has since taken over the development of RRO as a way for manufacturers to implement themes in their skinned versions of Android.

Android Basics: How to Install Apps

Your average Android phone or tablet comes with quite a few apps already installed—even before you turn the device on for the first time. These pre-installed apps are certainly helpful when it comes to getting your feet wet with Android, but in many cases, they're not always the best apps available for accomplishing the tasks that they perform. Additionally, many third-party apps can add lots of cool functionality to your device, so you might say that sticking with only the pre-installed apps...

How To: Top 5 Free Wallpaper Apps for Your iPhone

There's a whole world of wallpapers out there. Apple always includes a selection of stock wallpapers, some unique to every iPhone model you have. Of course, sometimes, stock wallpapers don't cut it. Sometimes, you want to add your own style to your home screen and lock screen. In these cases, using an app to find the best wallpapers out there can be just what you need.

How To: 8 Menu Bar Apps Every Mac Power User Needs

The menu bar is a great place to perform quick searches, track battery life, and switch Wi-Fi networks on your Mac, but it can do way more than that if you let it. I've rounded up some menu apps below that not only have features that will boost your productivity, but are lightweight enough to run entirely from the menu bar.

How To: Move App Icons Anywhere on Your iPhone's Home Screen Without Jailbreaking

Your iPhone's home screen is a tricky thing. You can sort your collection of apps in any order you'd like, but where you place those apps is a totally different story. App and folder placement follows a strict grid on iOS from left to right, top to bottom. No exceptions, and that's how Apple wants it. So you might think without a jailbreak you're stuck with this layout — but you're wrong.

How to Hack Wi-Fi: Performing a Denial of Service (DoS) Attack on a Wireless Access Point

Welcome back, my neophyte hackers! As part of my series on Wi-Fi hacking, I want to next look at denial-of-service (DoS) attacks, and DoSing a wireless access point (AP). There are a variety of ways to do this, but in this tutorial we'll be sending repeated deauthentication frames to the AP with aircrack-ng's aireplay. Remember, hacking wireless networks isn't all just cracking Wi-Fi passwords! Our Problem Scenario

How To: Play Your iPhone Music on Your PS3

While the PlayStation 3 is an awesome gaming console and the iPhone is an awesome smartphone, Apple and Sony have made two devices (that could be perfect for each other) nearly incompatible. Truth be told, this is more Apple's fault than Sony's, but we'll get into that later.