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  • 'dd' access to a drive

    - by John
    I've been working with making custom bootloader and kernel code (not necessarily Linux kernel). I'm putting the images on USB, and was using dd to place them on the sector they needed to be on, and I'm getting tired of burning the image to /dev/sda instead of /dev/sdb (effectively destroying my hard drive). So I was wondering if I could somehow give user access to the 'dd' command, but only to the /dev/sdb drive, so that if I accidentally type /dev/sda it won't let me, because I wouldn't have run the command as sudo or root.

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  • 2D camera perspective projection from 3D coordinates -- HOW?

    - by Jack
    I am developing a camera for a 2D game with a top-down view that has depth. It's almost a 3D camera. Basically, every object has a Z even though it is in 2D, and similarly to parallax layers their position, scale and rotation speed vary based on their Z. I guess this would be a perspective projection. But I am having trouble converting the objects' 3D coordinates into the 2D space of the screen so that everything has correct perspective and scale. I never learned matrices though I did dig the topic a bit today. I tried without using matrices thanks to this article but every attempt gave awkward results. I'm using ActionScript 3 and Flash 11+ (Starling), where the screen coordinates work like this: Left-handed coordinates system illustration I can explain further what I did if you want to help me sort out what's wrong, or you can directly tell me how you would do it properly. In case you prefer the former, read on. These are images showing the formulas I used: upload.wikimedia.org/math/1/c/8/1c89722619b756d05adb4ea38ee6f62b.png upload.wikimedia.org/math/d/4/0/d4069770c68cb8f1aa4b5cfc57e81bc3.png (Sorry new users can't post images, but both are from the wikipedia article linked above, section "Perspective projection". That's where you'll find what all variables mean, too) The long formula is greatly simplified because I believe a normal top-down 2D camera has no X/Y/Z rotation values (correct ?). Then it becomes d = a - c. Still, I can't get it to work. Maybe you could explain what numbers I should put in a(xyz), c(xyz), theta(xyz), and particularly, e(xyz) ? I don't quite get how e is different than c in my case. c.z is also an issue to me. If the Z of the camera's target object is 0, should the camera's Z be something like -600 ? ( = focal length of 600) Whatever I do, it's wrong. I only got it to work when I used arbitrary calculations that "looked" right, like most cameras with parallax layers seem to do, but that's fake! ;) If I want objects to travel between Z layers I might as well do it right. :) Thanks a lot for your help!

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  • Quickly Copy Movie Files to Individually Named Folders

    - by DigitalGeekery
    Some HTPC media manager applications require movie files to be in stored in separate folders to properly store information such as cover art images and other metadata. Here we look at copying movie files to individual folders. If you already have a large movie collection stored in a single folder, we’ll show you how to quickly move those files into their own individually named folders. File2Folder FIle2folder is a handy portable app that automatically creates and moves movie files into a folder of the same filename. There is no installation needed. Simply download and run the .exe file (link below). Enter the current movie directory, or browse for the folder. File2folder now supports both local and network shares. When you are ready to create the folders and move the files, click Move! You’ll see the move progress displayed in the window. When the process is finished, you’ll have all your movie file in individual folders.   Change your mind? Just click the Undo! button…   …and the move and folder creation process will be undone. If you would like to have the folder monitored for new files, click the Start button. File2folder will process any new files it discovers every 180 seconds. To turn it off, click Stop. This simple little program is a huge timesaver for those looking to organize movie collections for their HTPC. We should also note that this will work with any files, not just videos. Download file2folder Similar Articles Productive Geek Tips Hack: Turn Off Debug Mode in VMWare Workstation 6 BetaAdd Images and Metadata to Windows 7 Media Center Movie LibraryAdd Folders to the Movie Library in Windows 7 Media CenterAutomatically Mount and View ISO files in Windows 7 Media CenterMove the Public Folder in Windows Vista TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Identify Fonts using WhatFontis.com Windows 7’s WordPad is Actually Good Greate Image Viewing and Management with Zoner Photo Studio Free Windows Media Player Plus! – Cool WMP Enhancer Get Your Team’s World Cup Schedule In Google Calendar Backup Drivers With Driver Magician

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  • Looking for something like Google's Picasa [closed]

    - by Skizz
    I almost like Picasa, but there are two issues that irk me and I wondered if anyone knew of an application that does what Picasa does but without the following problems: Network drives. Picasa is hopeless with network drives. Ideally, I'd like photos to be stored remotely and thumbnail databases to be stored locally with a client-server set-up to update client databases. The main aim is to get updates propagated to clients efficently, reduce network bandwidth and have quick browsing on the client. It needs to be snappy when used over a wireless network. This is just a minor point but the folder view looks awful, especially when it uses those tiny thumbnails. (Also, what is it with folders being drawn vertically. Having spent years looking at folders orientated horizontally, turning them on their side looks so wrong.)

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  • www-data can upload a file but cant move it after the upload action

    - by user70058
    I am currently running Apache and PHP on Ubuntu. I have a page where a user is supposed to upload a profile image. The action on the backend is supposed to work like this: Upload file to user directory -- WORKS! Refer to the uploaded file and create a thumbnail in directory thumbs -- DOES NOT WORK www-data has write access to directory thumbs. My guess is that www-data for some reason does not have proper access to the file that was uploaded. UPLOADED FILE PERMISSIONS -rw-r--r-- 1 www-data www-data 47057 Feb 8 23:24 0181c6e0973eb19cb0d98521a6fe1d9e71cd6daa.jpg THUMBS DIRECTORY PERMISSIONS drwxr-sr-x 2 www-data www-data 4096 Feb 8 23:23 thumbs Im at lost here. I'm new to Ubuntu as well. Any help would be greatly appreciated!

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  • Microsoft donne PhotoDNA à la police pour lutter contre la pédophilie sur le Net, un fléau en progression constante d'après l'éditeur

    Microsoft offre PhotoDNA aux forces de l'ordre pour lutter contre les pédophiles Un fléau en progression constante d'après la Digital Crimes Unit de l'éditeur En 2009, Microsoft mettait au point avec l'Université privée Darthmouth College, située dans la ville de Hanover aux Etats-Unis, une technologie baptisée PhotoDNA. Cette dernière permet de mieux traquer les images à caractère pédophile qui polluent la Toile. Offerte dans un premier temps au National Center for Missing and Exploited Children (Centre National de Recherche des Enfants Disparus et Exploités ou NCMEC), une organisation américaine travaillant avec le ministère de la justice, elle était proposée aux différents fournisseurs...

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  • How to remove outlines around windows when switching with Alt+Tab?

    - by Oxwivi
    When I switch windows on current Unity using Alt+Tab, I get an ugly outline of size of the selected window occasionally showing on random places. Is there a way to change this outline to something better looking or eliminate it altogether? NB These outlines appear on Ubuntu Desktop without any effects enabled. Outlined Firefox Outlined Nautilus Outlined Terminal Click on the images to better view the outlines in question.

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  • apache tomcat with CDN

    - by user3215
    I've apache2,tomcat6 ubuntu servers running on port 80 with mod_jk setup hosting jsp pages. The developers are complaining that the pages are being rendered very slow when tried with IE browser and saying, at every refresh the images are reloading again and again which is not happening with other browsers. I'm given a hint CDNwhich I've no knowledge but I found in the google that cdn makes pages available on many server which improves the speed of the page being rendered. Anybody could tell me how could I make my pages available in cdn servers?

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  • Printer image correction

    - by Matthew Shinal
    Here is my problem: my printer and scanner (HP psc2410xi) prints darker than the photos taken and teh scanner has a background fuzz. I want to create and install files to have the printer lighten the photos it prints (yellow becomes dark yellow, etc) and delete the "fuzz" from the scanner image (you can see it on a blank scan and yes I did clean the scanner). I'm thinking there is a way to take a printed image, scan that in, and subtract the two images from each other to get the correction factor.

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  • Download the Hummingbirds Theme for Windows 7

    - by Asian Angel
    Are you looking for a new nature theme for your desktop? Then make your desktop hum with perfection using the Hummingbirds Theme for Windows 7. The theme comes with eleven images featuring the wonderful photographic work of Desiree Skatvold. Download the Hummingbirds Theme [Windows 7 Personalization Gallery] HTG Explains: Is UPnP a Security Risk? How to Monitor and Control Your Children’s Computer Usage on Windows 8 What Happened to Solitaire and Minesweeper in Windows 8?

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  • Emails : les services Postini font leur transition vers Google Apps, la marque sera complètement abandonnée

    Emails : les services Postini font leur transition vers Google Apps La marque sera complètement abandonnée Postini, le service d'archivage et de sécurisation d'email acquis par Google en 2007, sera intégré début 2013 aux offres professionnelles de Google Apps, ainsi qu'au Google Apps Vault, le service de découverte et d'archivage d'email. La marque Postini sera complètement abandonnée et ses anciens utilisateurs seront migrés vers Google Apps selon le schéma illustré dans le tableau suivant : [IMG]http://idelways.developpez.com/news/images/schema-migration.png[/IMG] Les différents clients recevront des renseignements de transition ainsi qu...

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  • What alternatives to Animated GIFs are natively supported on all popular modern browsers on tablets, etc. without pluggins?

    - by Clay Nichols
    I was looking for an alternative animated images to Animated GIFS. But per CanIUseit support for APNGs seems to being phased out. And MNG support isn't even listed there and pages about it don't even mention Chrome (suggesting those pages are very very old) Clarification: This is for a web app, so it'll need to support: - Safari on iPad (so can't depend on extensions) - Chrome on Windows and Mac - Safari 6.0+ on Mac - Chrome on Android

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  • NetBeans 6.9 s'arme de fonctionnalités pour la gestion de l'environnement en local et à distance

    NetBeans 6.9 intègre de nouvelles fonctionnalités Ainsi, l'équipe a intégré : - Un terminal - Un émulateur de terminal à distance Ainsi, pour activer l'option, il suffit d'aller dans : Windows -> Output -> Terminal La console pourra être activée et vous pourrez voir ceci : [IMG]http://www.livesphere.fr/images/dvp/nb-terminal.png[/IMG] Que pensez-vous de ces fonctionnalités supplémentaires ?...

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  • Sharing on Github

    - by Alan
    Over the past couple weeks I have gotten a lot of help from StackOverflow users on a project, and rather than keep the finished product to myself I wanted to share it unencumbered by licenses, but don't want there to be so much legwork during installation that users shy away from trying it. I am about to post it to Github and choosing public domain licensing. I would like to to be super simple for users to make use of and just FTP it up and go. That being said, do I need to make sure I remove things like the JQuery file, and other GPL / MIT licensed dependencies that I didn't write but that my code depends on? I haven't removed any copyright notices from the other code and all of it open source, it would just be nice if users could download everything at once while of course not trying to represent that I am the license holder of the dependencies. Inside my files are also some snippets, do those have to be externalized with installation instructions or can it be posted as is? Here is an example, my nav.php file is 115 lines long and I have these at the top: <script type="text/javascript" src="./js/ddaccordion.js"> /*********************************************** * Accordion Content script- (c) Dynamic Drive DHTML code library (www.dynamicdrive.com) * Visit http://www.dynamicDrive.com for hundreds of DHTML scripts * This notice must stay intact for legal use ***********************************************/ </script> <link href="css/admin.css" rel="stylesheet"> <script type="text/javascript"> ddaccordion.init({ headerclass: "submenuheader", //Shared CSS class name of headers group contentclass: "submenu", //Shared CSS class name of contents group revealtype: "click", //Reveal content when user clicks or onmouseover the header? Valid value: "click", "clickgo", or "mouseover" mouseoverdelay: 200, //if revealtype="mouseover", set delay in milliseconds before header expands onMouseover collapseprev: false, //Collapse previous content (so only one open at any time)? true/false defaultexpanded: [], //index of content(s) open by default [index1, index2, etc] [] denotes no content onemustopen: false, //Specify whether at least one header should be open always (so never all headers closed) animatedefault: false, //Should contents open by default be animated into view? persiststate: true, //persist state of opened contents within browser session? toggleclass: ["", ""], //Two CSS classes to be applied to the header when it's collapsed and expanded, respectively ["class1", "class2"] togglehtml: ["suffix", "<img src='./images/plus.gif' class='statusicon' />", "<img src='./images/minus.gif' class='statusicon' />"], //Additional HTML added to the header when it's collapsed and expanded, respectively ["position", "html1", "html2"] (see docs) animatespeed: "fast", //speed of animation: integer in milliseconds (ie: 200), or keywords "fast", "normal", or "slow" oninit:function(headers, expandedindices){ //custom code to run when headers have initalized //do nothing }, onopenclose:function(header, index, state, isuseractivated){ //custom code to run whenever a header is opened or closed //do nothing } }) </script>

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  • Suspend and resume not working on an HP dv7

    - by Emiel
    this one is driving me nuts. My HP dv7 laptop isn't resuming from suspend and hybernate. On suspend - resume it leaves me with a black screen. On hibernate it succesfully loads the images and then it hangs.... I searched through internet and tried serveral things, but nothing seems to work for this HP dv7 on Ubuntu 12.04. With 11.10 it didn't work either. Intel® Core™ i5 CPU M 450 @ 2.40GHz × 4 VESA: Intel®Ironlake Mobile Graphics 64-bit

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  • Is Your Website Booming Or Busting?

    How long has it been since your website's home page has been updated with fresh new text and images? How about your blog? Has it been weeks... months even... since your last entry? What about the last time you sent out a newsletter?

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  • Increasing Website Attraction with Graphic Designs

    As we all are aware graphic designing can be found in many areas of our life which is the combination of graphical images and texts. Usage of graphics is seen in many fields like posters, newsletters... [Author: Alan Smith - Web Design and Development - June 15, 2010]

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  • Creating an XML / Flash Slideshow with Captions

    This article guides about to create an XML / Flash slideshow with improved reusability and content updatability. It creates an information bridge between Flash .SWF file and Images Source through XML....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Bring the Beauty of the Emerald Isle to Your Desktop with the Ireland Theme for Windows 7

    - by Asian Angel
    This beautiful theme shows the Emerald Isle at its’ best with images of green landscapes, gorgeous seaside cliffs, cities at night, waterfalls, ancient rock formations, and more. The theme comes with 17 wallpapers and 22 Celtic system sounds to help bring Ireland straight to your desktop in style. Download the Ireland Theme [Windows 7 Personalization Gallery] How to Enable Google Chrome’s Secret Gold IconHTG Explains: What’s the Difference Between the Windows 7 HomeGroups and XP-style Networking?Internet Explorer 9 Released: Here’s What You Need To Know

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  • Can I use Ubuntu to write a Windows 7 ISO to USB in Ubuntu?

    - by Salim Fadhley
    I need to create a Windows installation USB drive from an ISO file. I used unetbootin which seems to be the only tool that can write non-linux images. The USB disk boots (sort-of), but it gets stuck at the very first stage. A UNetbootin spash screen that keeps counting-down from ten to 0, and then restarts. The screen looks like this: Is there a way to make Windows boot from a USB image created on Linux?

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  • Is there a way to hide text from descriptions in Google search results

    - by Linda H
    The first line of text on all of our client's product pages is "Download hi-res images", which of course isn't what we'd want in the description when people search for their products. Is there any way to hide this text/link so that Google and the others just ignore it and go on into the text description below? I suppose we could use a meta-description, but the client isn't very good at computers and it's such a small site it seems silly.

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  • Using Google Webmaster & Analytics, what data to look at to improve website performance?

    - by Rob
    Using data from Google Analytics and Webmaster tools, what data should I be looking at to improve my websites performance? I want to improve the SEO, usability and just general performance of my website. EDIT: It's a portfolio website that we've done the initial SEO for, also optimised all images etc and made the site as fast as possible. What kind of things should I be looking out for in the analytics and webmaster data to improve performance for both the SEO and each individual page.

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  • Convert a PPT File into an Image or HTML File in .NET

    Get the .NET code for programmatically converting PowerPoint presentation files into images or HTML files....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • How to Sync iTunes to Your Android Phone

    - by Zainul Franciscus
    If you have iTunes, and you don’t have an iPhone – but an Android phone instead, syncing iTunes to your phone can be frustrating. So here are some tips to sync iTunes and make sure your cover art works well on your Android phone.How To Recover After Your Email Password Is CompromisedHow to Clean Your Filthy Keyboard in the Dishwasher (Without Ruining it)Learn How to Make HDR Images in Photoshop or GIMP With a Simple Trick

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