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  • Are UML class diagrams adequated to design javascript systems?

    - by Vandell
    Given that UML is oriented towards a more classic approach to object orientation, is it still usable in a reliable way to design javascript systems? One specific problem that I can see is that class diagrams are, in fact, a structural view of the system, and javascript is more behaviour driven, how can you deal with it? Please, keep in mind that I'm not talking abot the real world domain here, It's a model for the solution that I'm trying to achieve.

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  • Pretty URL in ADF Faces of JDeveloper 11.1.2.2

    - by Frank Nimphius
    Many features planned for Oracle JDeveloper 12c find their way into current releases of Oracle JDeveloper 11g R1 and JDeveloper 11g R2. One example of such a feature is "pretty URL" - or "clean URL" as the Oracle JDeveloper 11g R2 (11.1.2.2) documentation puts it. "A.2.3.24 Clean URLs Historically, ADF Faces has used URL parameters to hold information, such as window IDs and state. However, URL parameters can prevent search engines from recognizing when URLs are actually the same, and therefore interfere with analytics. URL parameters can also interfere with bookmarking. By default, ADF Faces removes URL parameters using the HTML5 History Management API. If that API is unavailable, then session cookies are used.You can also manually configure how URL parameters are removed using the context parameter oracle.adf.view.rich.prettyURL.OPTIONS. Set the parameter to off so that no parameters are removed. Set the parameter to useHistoryApi to only use the HTML5 History Management API. If a browser does not support this API, then no parameters will be removed. Set the parameter to useCookies to use session cookies to remove parameters. If the browser does not support cookies, then no parameters will be removed." See: http://docs.oracle.com/cd/E26098_01/web.1112/e16181/ap_config.htm#ADFUI12856 So basically, what this part in the documentation says is: In JDeveloper 11g R2 (11.1.2.2), Oracle ADF Faces automatically removes its internally used dynamic parameters from the URL You can influence the setting with the prettyURL.OPTIONS context option, which however is not recommended you to do because the default behavior is able to detect if the browser client supports HTML 5 History management or not. In the latter case it the uses a session cookie and if this doesn't work, falls back to the "old" URL parameter adding. The information that is not so explicit and clearly mentioned in the documentation is that this is only for ADF Faces parameters (such as _afrLoop, Adf-Window-Id, etc.), but not the ADF controller token (_adf.ctrl-state)! Removing the ADF controller token is an enhancement request that will be implemented in Oracle JDeveloper 12c

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  • Examples of good Javascript/HTML5 based games

    - by Zuch
    Now that Flash is largely being replaced with HTML5 elements (video, audio, canvas, etc.) are there any good examples of web-based games built on completely open standards (meaning Javascript, HTML and CSS)? I see a lot of examples of pure HTML5 implementations of what was once only in Flash (like stuff here: http://www.html5rocks.com/) but not many games, a domain which still seem dominated by Flash. I'm curious what's possible and what the limitations are.

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  • Alternative for Subdomains [duplicate]

    - by Raj
    This question already has an answer here: Should I choose sub-directories over sub-domains in this case? 2 answers I have a company and website like www.example.com We have 1 industry with product 1 ,product 2 and another industry with product 3 and product 4 . All these products are different to each other my questions is like should have subdomains like www.industry1.example.com or www.example.com/industry1 If it is industry1.example.com it might sense different domain , if it is example.com/industry1 the number of folders might increase Please suggest a best solution for this thanks, Raj

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  • get stick analogue XY position using Jinput in lwjgl

    - by oIrC
    i want to capture the movement of the analogue stick of the gamePad. is there any equivalent function to this public void mouseMoved(MouseEvent mouseEvent) { mouseEvent.getX(); //return the X coordinate of the cursor inside a component mouseEvent.getY();//return the Y coordinate of the cursor inside a component } into lwjgl.input.Controllers, i found controller.getAxisValue() but this one doesn't work as the function above. any help? thanks.

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  • HTG Explains: Do You Really Need to Safely Remove USB Sticks?

    - by Chris Hoffman
    You’ve probably heard that you always need to use the Safely Remove Hardware icon before unplugging a USB device. However, there’s also a good chance that you’ve unplugged a USB device without using this option and everything worked fine. Windows itself tells you that you don’t need to use the Safely Remove Hardware option if you use certain settings – the default settings – but the advice Windows provides is misleading. How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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  • How do you deal with design in Scrum?

    - by Seth
    How do you deal with design in Scrum? Do you still have well written design documents for each scrum iteration? Do you just do design notes featuring UML diagrams? Or do you just have well commented code? Each iteration may involve changing design so I just wanted to know how people capture this so new developers have an easy job of understanding the domain and getting on board as rapidly as possible.

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  • Virtual Server Hosting Services in India

    There is no shortage of virtual server hosting service providers in India and each one of them is an expert in his job and domain. They offer both Linux and Windows VPS hosting plans apart from deali... [Author: John Anthony - Web Design and Development - May 18, 2010]

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  • Hack Fest Going Strong!

    - by Yolande Poirier
    Today was the first day of  the Hack Fest at Devoxx, the Java developer conference in Belgium.  The Hack Fest started with the Raspberry Pi & Leap Motion hands-on lab. Vinicius Senger introduced the Java Embedded, Arduino and Raspberry Pi. Java Champion Geert Bevin presented the Leap Motion, a controller sensing your hands and fingers to play games by controlling the mouse as an example. "Programmers are cooler than musicians because they can create entire universe using all senses" explained Geert In teams, participants started building applications using Raspberry Pi, sensors and relays. One team tested the performance of Tomcat, Java EE and Java Embedded Suite on the Raspberry Pi. Another used built an text animation using a LCD screen. Teams are using the Leap Motion to close and open programs on the desktop and other teams are using it as a game control. 

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  • Put a link on the nav bar in Wordpress

    - by Rafe Kettler
    I have a Wordpress blog. On the same domain, I have some other stuff hosted that isn't part of my WP install. I want to link to those other places on my domain from the top menu bar (nav bar) on my blog. How can I do that? The theme is Lightword, relevant header.php code follows: <body <?php body_class(); ?>> <div id="wrapper"> <?php lightword_header_image(); ?> <div id="header"> <?php lightword_rss_feed(); ?> <div id="top_bar"> <div class="center_menu"> <ul id="front_menu" <?php global $lw_remove_searchbox, $lw_use_wp_menus; $lw_menu_width = ""; if($lw_remove_searchbox == "true") $lw_menu_width = " class=\"expand\" "; echo $lw_menu_width; ?>> <?php echo lightword_homebtn(__('Home','lightword')); ?> <?php if ( function_exists('wp_nav_menu') && $lw_use_wp_menus != "true") { $lightword_menu = wp_nav_menu( array( 'menu' => 'lightword_top_menu', 'echo' => false, 'menu_id' => 'front_menu', 'container' => '', 'theme_location' => 'lightword_top_menu', 'link_before' => '<span>', 'link_after' => '</span>' ) ); $lightword_menu = preg_replace( array( '/^<ul id="front_menu" class="menu">/', '/\n<\/ul>$/' ), '', $lightword_menu); echo $lightword_menu; }else{ echo lightword_wp_list_pages(); } ?> </ul> </div> <?php echo lightword_searchbox(); ?> </div> </div> <div id="content">

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  • When not to use Google Web Toolkit?

    - by Jas
    I'm considering use of GWT on a major in-house web app development project, namely it's major advantage in my eyes is the cross-compilation to Javascript which would (at least theoretically) help my team reduce the size of tech stack by one. However, having been burnt before (like most devs), I would like to hear from programmers who did actually use it on any problems with GWT which would hamper, or limit, it's use within a certain problem domain. When do you not recommend using GWT, and why?

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  • Rotate camera around player and set new forward directions

    - by Samurai Fox
    I have a 3rd person camera which can rotate around the player. When I look at the back of the player and press forward, player goes forward. Then I rotate 360 around the player and "forward direction" is tilted for 90 degrees. So every 360 turn there is 90 degrees of direction change. For example when camera is facing the right side of the player, when I press button to move forward, I want player to turn to the left and make that the "new forward". I have Player object with Camera as child object. Camera object has Camera script. Inside Camera script there are Player and Camera classes. Player object itself, has Input Controller. Also I'm making this script for joystick/ controller primarily. My camera script so far: using UnityEngine; using System.Collections; public class CameraScript : MonoBehaviour { public GameObject Target; public float RotateSpeed = 10, FollowDistance = 20, FollowHeight = 10; float RotateSpeedPerTime, DesiredRotationAngle, DesiredHeight, CurrentRotationAngle, CurrentHeight, Yaw, Pitch; Quaternion CurrentRotation; void LateUpdate() { RotateSpeedPerTime = RotateSpeed * Time.deltaTime; DesiredRotationAngle = Target.transform.eulerAngles.y; DesiredHeight = Target.transform.position.y + FollowHeight; CurrentRotationAngle = transform.eulerAngles.y; CurrentHeight = transform.position.y; CurrentRotationAngle = Mathf.LerpAngle(CurrentRotationAngle, DesiredRotationAngle, 0); CurrentHeight = Mathf.Lerp(CurrentHeight, DesiredHeight, 0); CurrentRotation = Quaternion.Euler(0, CurrentRotationAngle, 0); transform.position = Target.transform.position; transform.position -= CurrentRotation * Vector3.forward * FollowDistance; transform.position = new Vector3(transform.position.x, CurrentHeight, transform.position.z); Yaw = Input.GetAxis("Right Horizontal") * RotateSpeedPerTime; Pitch = Input.GetAxis("Right Vertical") * RotateSpeedPerTime; transform.Translate(new Vector3(Yaw, -Pitch, 0)); transform.position = new Vector3(transform.position.x, transform.position.y, transform.position.z); transform.LookAt(Target.transform); } }

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  • Established Websites For Sale

    When we see a banner or an advertisement that websites are for sale or an ad for established websites for sale, we think about the website is that it is available to the general public for sale. This assumption is for all the internet savvy people who understand technical terms like domain name acquisition, internet properties, Google AdSense revenue, affiliate income from web properties.

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  • Second Monitor stays black/in power save mode

    - by Rob
    I'm using two Monitors, a Belinea o.display 1 (Recognized as a Rogen Tech Distribution Inc 20" by Ubuntu, but working fine) on the DVI-Output (connected via DVI-to-VGA-adapter) as my primary Monitor and a Dell 19" (Recognized correctly) on the HDMI-output (via HDMI-to-DVI adapter) as secondary monitor. The graphics controller is a GeForce 9500 GS. I'm running a fully updated Ubuntu 13.04 with nouveau 1:1.0.7-0ubuntu1. The problem is that the second monitor (Dell) never seems to come out of standby during boot: the screen stays black and the status led on the monitor stays orange (it's green when it's on). It is correctly recognized an the size of the desktop is set accordingly, it just stays black. Changing any setting via xrandr/arandr/etc. does nothing. The on-screen-menu of the monitor reports it to be in power save mode. When using the proprietary NVIDIA-Drivers, the second monitor works just find. But these drivers cause a lot of other problems on my system, so i would really like to avoid them. On Ubuntu 12.10 i had found a workaround: When moving the relative position of the second monitor slightly down and the up again, it would turn on and function normally: xrandr --output DVI-I-1 --mode 1680x1050 --pos 1280x0 --rotate normal --output HDMI-1 --mode 1280x1024 --pos 0x88 --rotate normal sleep 2 xrandr --output DVI-I-1 --mode 1680x1050 --pos 1280x0 --rotate normal --output HDMI-1 --mode 1280x1024 --pos 0x0 --rotate normal This workaround stop working after the update to 13.04, and now i'm looking for a new solution. Has anyone experienced something similarity? xrandr output: Screen 0: minimum 320 x 200, current 2960 x 1050, maximum 8192 x 8192 DVI-I-1 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 433mm x 270mm 1680x1050 60.0*+ 1280x1024 75.0 60.0 1280x960 60.0 1152x864 75.0 1024x768 75.1 72.0 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 72.8 75.0 66.7 60.0 720x400 70.1 HDMI-1 connected 1280x1024+1680+0 (normal left inverted right x axis y axis) 376mm x 301mm 1280x1024 60.0*+ 75.0 1152x864 75.0 1024x768 75.1 60.0 800x600 75.0 60.3 640x480 75.0 60.0 720x400 70.1 lshw -c video: *-display Beschreibung: VGA compatible controller Produkt: G96 [GeForce 9500 GS] Hersteller: NVIDIA Corporation Physische ID: 0 Bus-Informationen: pci@0000:01:00.0 Version: a1 Breite: 64 bits Takt: 33MHz Fähigkeiten: pm msi pciexpress vga_controller bus_master cap_list rom Konfiguration: driver=nouveau latency=0 Ressourcen: irq:16 memory:fa000000-faffffff memory:d0000000-dfffffff memory:f8000000-f9ffffff ioport:df00(Größe=128) memory:fb000000-fb07ffff Thanks for your help!

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  • Relationship DAO, Servlet, JSP and POJO [closed]

    - by John Hendrik
    Possible Duplicate: Relationship DAO, Servlet, JSP and POJO I want to implement a JSP, POJO, DAO and Servlet in my J2EE program. However, I don't fully understand how the relationship between these elements should be. Is the following (MVC) setup the right way to do it? Main class creates servlet(controller) Servlet has a DAO defined in its class DAO has a POJO defined in its class Servlet communicates with the view (JSP page) Please give your feedback.

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  • How to render 3D models as SVG vector graphics? (planar projection)

    - by Jan
    This image (original SVG from Wikipedia, public domain) was created using the following procedure: Create a 3D model in Google sketchup Export as PDF Import in Inkscape Save as SVG Is there a straightforward way to produce such a SVG with software that runs (natively) on Ubuntu? (Pantograph, a Blender plugin, has only broken download links; VRM, another Blender plugin works with Belnder 2.4x, but not with Blender 2.6x.)

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  • Cheese won't start

    - by Anthony Hohenheim
    I can't start Cheese Webcam Booth. It starts loading and there is a brief moment when the window shows up but then it disappears, like it shuts itself down and it's not in system monitor. My webcam works perfectly in Skype video call. I installed and run Camorama and it gave me an error: Could not connect to video device (/dev/video0) Please check connection When I run the lsusb I get this line for my webcam: Bus 002 Device 002: ID 04f2:b210 Chicony Electronics Co., Ltd And for my graphic card, running lspci: VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) It's not a pressing matter, but it bugs my nerves, if it works on Skype, why does Cheese and other programs refuse to run. As I said, it's not a big deal but any help would be appreciated. Running Cheese in terminal: (cheese:11454): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel (cheese:11454): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel (cheese:11454): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel (cheese:11454): Gtk-WARNING **: Attempting to add a widget with type GtkHBox to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel (cheese:11454): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel (cheese:11454): Gtk-WARNING **: Attempting to add a widget with type GtkHBox to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel (cheese:11454): Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel (cheese:11454): Gdk-WARNING **: The program 'cheese' received an X Window System error. This probably reflects a bug in the program. The error was 'BadDrawable (invalid Pixmap or Window parameter)'. (Details: serial 932 error_code 9 request_code 137 minor_code 9) (Note to programmers: normally, X errors are reported asynchronously; that is, you will receive the error a while after causing it. To debug your program, run it with the --sync command line option to change this behavior. You can then get a meaningful backtrace from your debugger if you break on the gdk_x_error() function.)

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  • Google analytics is counting way to much

    - by Luticka
    I have a website using Google analytics but it is counting way to much. To test this i was logging all entry's to my database with time and IP address. My result for one day was: Google analytics: Visits: 4078 Absolute Unique Visitors: 3758 My Database: Visits: 4182 Unique Visitors(Only by IP): 905 I use the tracking option "One domain with multiple subdomains" because the website is accessible both on www.example.com and example.com. I'm i missing something or what could be wrong?

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  • Understanding exceptional cases

    - by Justin
    I've been studying the use of exceptions in various php projects (such as Doctrine and Zend Framework). Exceptions seem to be thrown when unordinary input/state occurs. A perfect example is Doctrine throwing an exception when you try to use a invalid query string. I think the creators of the doctrine api understood that first, you can't query data by using an invalid DQL statement, and a developer should immediately be warned that an error has occurred, rather then letting execution continue with the possibility of an error code going un-checked. I also bet that this simplifies reading the code. I can't think of a situation where you would want to use an invalid DQL statement, except unit testing. Since this is true, it's better to avoid plaguing a bunch of code with null/error checks and use exceptions. I've read in books that exceptions shouldn't be thrown when validating dating user input. I've seen examples where of where the guideline is broken. One example is the Zend framework. If supplying an invalid controller or action name, an exception is thrown. Unlike doctrine, the user has more direct control over this sort of input. I know you can configure an error controller and set up a 404 message or what have you, but I'm curious why they have used an exception in this scenario? I guess you can argue the Zend Framework does not know how to continue processing the quest. One last example Is I wrote a function to return some html based on a given resource type. This resource type is hard-coded and sent when a user interacts with a web site (such as clicking a button to display the form to input data). I don't expect users to be mucking around with the request type. Under normal operating conditions, the resource type should be valid. To clean up some logic, I was going to throw an exception if a particular form wasn't found. This is mainly to find the correct form associated with a resource type so proper validation can occur. Does this sound like a valid use case for an exception? Right now it's pretty trivial, but I do plan to implement a restful consumer and re-using a function to map resources to their validation services would be very useful. I can then catch the exception and based on the consumer, return an error message suitable for the request type...

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  • build my own CDN service

    - by user5332
    I have two servers, both with self domain 1st www.myexample1.com 2nd www.myexample2.com and now I would like to setup CDN of www.myexample1.com to www.myexample2.com but I dont know how setup DNS or Apache that, so both servers served files for www.myexample1.com request ... I don't need solve databases, sessions or someting else... but I need know, how to do that both server will available as www.myexample1.com

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  • Wifi problems after upgrading to 13.10

    - by Simon
    I just upgraded to Ubuntu 13.10, but since the upgrade I don't have internet access via wifi anymore. I can: See networks Connect to a network Ping myself (localhost, 192.168.0.103) I can't: Ping others (including other devices on the same wireless network, including the gateway/router) Resolve hosts Access any other external resource, whether on my own network or on the internet Using Wireshark, I noticed my computer is continuously sending ARP-requests like "Who has 192.168.0.1 [which is the gateway]? Tell 192.168.0.103". It doesn't get any replies though. When I ping another IP-address for which it knows the mac-address (from cache), it turns out a packet loss of 90% occurs, and even if a packet manages to arrive it takes around 3000ms. The output of route -n is: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth1 192.168.0.0 0.0.0.0 255.255.255.0 U 9 0 0 eth1 192.168.122.0 0.0.0.0 255.255.255.0 U 0 0 0 virbr0 Before upgrading, wifi worked fine. Using other devices, wifi still works fine.Resetting the router didn't help. Ethernet still works after upgrading. Any suggestions? Update: I'm using the wl driver. Here's the relevant output of some commands: lspci | grep Wireless 03:00.0 Network controller: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01) cat /etc/modprobe.d/blacklist.conf [...] blacklist mac80211 blacklist brcm80211 blacklist cfg80211 blacklist lib80211_crypt_tkip blacklist lib80211 blacklist b43 cat /etc/rc.local sudo modprobe -r lib80211 sudo insmod /lib/modules/3.2.0-30-generic-pae/kernel/net/wireless/lib80211.ko sudo insmod /lib/modules/3.2.0-30-generic-pae/kernel/net/wireless/lib80211_crypt_wep.ko sudo insmod /lib/modules/3.2.0-30-generic-pae/kernel/net/wireless/lib80211_crypt_tkip.ko sudo insmod /lib/modules/3.2.0-30-generic-pae/kernel/net/wireless/lib80211_crypt_ccmp.ko sudo modprobe wl exit 0 The last lines are probably how I got wireless working after the previous upgrade (wireless has been a problem after each upgrade). Update 2: added information about the exact hardware below. The hardware is an integrated device, so I ran lspci -nn | grep -i network. The output is: 03:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)

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  • 5 Ways to Provide Feedback to Ubuntu

    - by Chris Hoffman
    Ubuntu, like many other Linux distributions, is a community-developed operating system. In addition to getting involved and submitting patches, there are a variety of ways you can provide useful feedback and suggest features to Ubuntu. From voting on and suggesting the features you’d like to see to submitting data about your hardware support and reporting bugs – both in stable releases of Ubuntu and in development releases – Ubuntu offers several ways to submit feedback. How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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  • The Dubstep Dispute [Video]

    - by Jason Fitzpatrick
    If you’ve listened to Dubstep and wondered exactly what you were listening to, this video will shed some light on the matter. Dubstep, an electronic music genre best known for intensive bass lines and drum patterns, takes on a more personal touch when remixed over this domestic scene. [via Geeks Are Sexy] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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  • Five Day Forecast for the Mushroom Kingdom [Wallpaper]

    - by Asian Angel
    Definitely not going to be a dull week… Note: The original size of the wallpaper is 1600*900, but it can be easily placed on a larger matching color background to fit your monitor’s resolution. Mario, Weather, Forecast [The Paper Wall] How to Use an Xbox 360 Controller On Your Windows PC Download the Official How-To Geek Trivia App for Windows 8 How to Banish Duplicate Photos with VisiPic

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