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• Why is better to use external JavaScript or libraries ; and is it prefered to use jquery meaning more security?

  - by shareef

  I read this article Unobtrusive JavaScript with jQuery and I noticed these points in the slide page 11 some companies strip JavaScript at the firewall some run the NoScript Firefox extension to protect themselves from common XSS and CSRF attacks many mobile devices ignore JavaScript entirely screen readers do execute JavaScript but accessibility issues mean you may not want them to I did not understand the fourth point. What does it mean? I need your comment and responses on these points. Is not using JavaScript and switching to libraries like jQuery worth it? UPDATE 1 : whats the meaning of Unobtrusive JavaScript with jQuery ? and yes it does not say we should use libraries but we should have them on external files for that reason i asked my question.

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• Are there any adverse side effects to loading html5shiv in every browser?

  - by Jeff

  On the html5shiv Google Code page the example usage includes an IE conditional: <!--[if lt IE 9]> <script src="dist/html5shiv.js"></script> <![endif]--> However on the html5shiv github page, the description explains: This script is the defacto way to enable use of HTML5 sectioning elements in legacy Internet Explorer, as well as default HTML5 styling in Internet Explorer 6 - 9, Safari 4.x (and iPhone 3.x), and Firefox 3.x. An obvious contradiction. So to satisfy my curiosity, for anyone who has studied the code, are there any adverse side affects to loading html5shiv in every browser (without the IE conditional)? EDIT: My goal, obviously, is to use the shiv without the IE conditional.

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• Accidentally hit shortcut and lost text in web browser. Can it be disabled?

  - by uniomni

  I have noticed that I occasionally hit some shortcut while typing that either kills the browser or otherwise causes me to lose e.g. a post I am writing. This typically happens if I type while on a bumpy road or something like that. It also just happened to my eight year old daughter ;-( I think the shortcut in question is CTRL-w which (at least in Firefox) closes the current tab and consequently whatever content is being written. I would like to know if anyone has noticed this and if someone has a solution e.g. a way to disable "dangerous" shortcuts if at all possible. Many thanks Ole (uniomni)

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• Desktop Fun: Feathered Friends Wallpaper Collection

  - by Asian Angel

  Birds can serve as wonderful sources of inspiration with their varied colors, song, and feats of flight. Today we have a beautiful flock of birds that you can add to your desktop with our Feathered Friends Wallpaper collection Latest Features How-To Geek ETC How to Enable User-Specific Wireless Networks in Windows 7 How to Use Google Chrome as Your Default PDF Reader (the Easy Way) How To Remove People and Objects From Photographs In Photoshop Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware Comix is an Awesome Comics Archive Viewer for Linux Get the MakeUseOf eBook Guide to Speeding Up Windows for Free Need Tech Support? Call the Star Wars Help Desk! [Video Classic] Reclaim Vertical UI Space by Adding a Toolbar to the Left or Right Side of Firefox Androidify Turns You into an Android-style Avatar Reader for Android Updates; Now with Feed Widgets and More

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• Cannot type '^' (caret) in native KDE apps

  - by nebukadnezzar

  I cannot type the caret character '^' in native KDE apps, such as plasmoids, editors (Kate, KWrite), etc. It worked in previous (older) versions of KDE (3.5, I think). I believe it may be related to the fact that I'm using a keyboard with a german layout, however, it would seem farfetched - I can type the caret character just fine in non-KDE apps (such as chrome, firefox, etc). I tried switching keyboard layouts, but no cigar. What's going on? What do I have to change to get the caret character back?

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• Xubuntu all Icons disappeared

  - by user1392185

  I'm running Xubuntu 12.04.1 with kernel Xen4.1-amd64 and the following problem is mine: Nearly all icons have been replaced by the default "no icon available"-icon, even on the login screen and the all icons in software like e.g. Firefox and the icons I manually assigned to launchers, too. Changing the icon theme does not seem to affect this. The only icons that did not disappear are: LibreOffice, gThumb, Simplescan, Ristretto and in the XFCE menu office, tools and graphics. How could I bring the icons back? EDIT: When I tried to use Ristretto the following error showed up: Could not load image-loader module /usr/lib/x68_64-linux-gnu/gdk-pixbuf-2.0/2.12.0/loaders/libpixbufloader-png.so Unable to open shared-object-file I/O error (Had to translate this to English.)

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• The orientation media query

  Right now Jason Grigby’s excellent summary of the orientation media query is making the round of blogs and tweets, and that’s well deserved. Media queries will become extremely important in the near future, when we have to build websites that work on any device resolution from 300px to 1280px or more.Still, there’s one tiny nitpick I’d like to make, so that you fully understand when to use orientation and when to use device-width.orientation is supported by Android 2, Bolt, MicroB, and Firefox. And...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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• weird text stuttering

  - by user85724

  i've been having a strange problem with ubuntu lately. i searched in the forums and so but couldn't find anything. the things is that text in firefox and text editors stutters or freezes randomly. for example, when i am writing and url and suddenly want to erase it, the last letters freeze in their place for a few seconds while the others are being erased. or when i am reading something in the text editor, it mixes paragraphs and such, like an old and crazy epson inkjet printer.. please help?

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• Web-based data generator

  - by John Paul Cook

  One of my coworkers told me about Mockaroo , a web-based data generator. I needed some test data for upcoming blog posts, so I decided to give it a try. It’s pretty good. I had to use Firefox because of problems running Mockaroo on Internet Explorer 11. Using the defaults except for changing the format to SQL, it generated output that looked something like the following. Mockaroo is so good that it generates fake data that could accidentally be real, such as email addresses. Consequently, I edited...(read more)

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• Problems with the colors on my screen. How can I check if it's a hardware problem?

  - by Ingo Gerth

  On my EEE PC netbook some colors are not displayed properly. Specifically, dark gradients such as in the window title do not look very smooth, but rather look like a sequence of a couple of different colors. This is especially visible when opening a menu, for example the "File" menu in Firefox. As you know this one is black, and it looks terrible on my screen. It is not just black, but the colors look really graded and far from a smooth gradient or anything. Now I am wondering: Is this a hardware or software issue? And how can I check this? If it should be a fixable problem I think it would be worth another question. Note that I am using Natty. If my problem description is not good enough I can try to take a photo.

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• How to run a complete GUI as root?

  - by Braiam

  I don't care if I mess up the system (which is likely if I do things like this), or the potential security issues that this could imply. Note, that I don't just want to "enable root login?", but run my GUI from bottom-up as root. I don't want to type my password for anything but just for login and have total control over it. Of course, I want any application running as root, like Firefox, LibreOffice, etc. without having to mess up with the terminal. So, how do I do this?

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• What percent of visitors should click on the next page before you enable prefetching?

  - by Kevin Burke

  Mozilla Firefox and Google Chrome support prefetching via an HTML tag: <!-- in chrome --> <link rel="prerender" href="http://example.org/index.html"> I suppose it is always worthwhile to include this tag if 100% of users on a page click on the "Next Page" button or similar, and never worthwhile to include it if only 2% or 3% of users visit the following page. At what percent of clicks should you turn on prefetching of the next page? 65%? Also, does the calculus change if the current page is HTTP and the next page is HTTPS?

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• cannot add or remove programs using ubuntu software center (USC)in Kubuntu 12.04

  - by Suhail cholassery

  I am using Kubuntu 12.04,currently.Recently ,I updated my system with update manager and downloaded USC from muon software center which was pre-installed in this system. I could download a lot of softwares such as: -firefox -XBMC media center -VLC media player But when I tried to get some more softwares using USC, after rebooting there began the problem . It does not begin either downloading or instaling the program. When I tried to download the same program using muon software center it showed the following: Unable to obtain the package at this time Another application seems to be using the package system at this time. You must close all other package managers before you will be able to install or remove any packages. I am quite sure that have closed USC . I tried to remove USC, assuming that it caused the problem using muon software center but the result was same.Now I cannot add or remove any programs into my system & I don't know what to do . Please help me as soon as possible.

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• Ubuntu Variant / Linux Distros which uses least system resources (RAM, CPU)?

  - by elegantonyx

  I have a netbook (an older Asus EEEPC 1005HA) which I want to get rid of Windoze on (I like Windows, but I don't think it works well in a netbook environment). Basically, my question is which Ubuntu variant will use the least RAM and CPU running idle, and/or the same question except when running Firefox and Libreoffice Writer, say. I am also open to suggestions of non-Ubuntu Linux distros, but since this is AskUbuntu I thought the first question would be more appropriate. I have a disk drive which I can attach to the netbook, so it doesn't have to be a Ubuntu Variant / Linux Distro which solely boots from a USB drive. I have at my disposal: DVDs, DVD writer/ disk drive, 4gb flash drive, 8 gb flash drive I was thinking either Lubuntu or Archbang / Crunchbang but I would like some help from more knowledgable people Specs: Can't boot into it right now, but I think I have either Intel Atom N270 @1.60ghz OR Intel Atom N280 @1.66ghz (single core, I think) 2gb RAM 160 GB hard drive

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• How to route my internet from mobile broadband from a third party software to network manager

  - by user86865

  I use mobile broadband connection (Reliance Netconnect+ USB) for internet. I can connect to this network from Network Manager easily. There is a 3rd party software which is given by the service provider. I can also connect to the internet by using this software (Software from ZTE). But when i am using this software, i cannot upload files to Ubuntu One, Cannot install packages from Software Center, etc except i can load web pages from FireFox. But when using the connection from NM, i can do all the stuffs. But, there are so many options available in this 3rd party software. So, can i route my internet connection from this software to my Network Manager? There are some options available in the settings as;- Dns, alternate dns, static IP, CHAP, PAP. Can anyone help me?? I use 12.04.

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• Alt/Shift key not released after switching keyboard layout

  - by szx

  Sometimes when I switch layout using either Alt+Shift or Ctrl+Shift the Alt key is not recognized as being released thus if I press e.g. F a File menu opens up. Last time that happend I lost all data I filled into a text form on a webpage because I pressed the Home key while typing and Firefox suddenly went to my home page! Moreoever, it still remains unreleased after hundreds of keypresses like if I'm holding it! Same goes for the Shift key. I would rather file a bug at Launchpad if I could but I have no clue what fucking package name should I type in the ubuntu-bug command! Have anyone else had this issue? Can you suggest a solution or maybe another place to report this bug?

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• Chrome keeps crashing after updates

  - by Phil

  I'm a chrome user and an enthusiast but few days ago I made Ubuntu get some updates using Update Manager, then I turned off my notebook and when I restarted it, I tried to start Chrome which after a few seconds turned the screen completely black, and some errors appeared for few seconds and then I got logged off, and had to re-login, and when I opened Chrome again the same thing happened! I've uninstalled it with Synaptic and did complete cleanings before re-installing Chrome but nothing succeeded. Now I can't use either Chromium and Chrome, but Firefox works. It's a very strange thing, never happened to me before and I don't know what to do because I had all my bookmarks syncronized in Chrome! Please help if you can :)

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• Multi Column Block Too Narrow in Chrome

  - by aksarben

  My Web site displays song lyrics in a multi-column format, using CSS3. Both Firefox & MSIE 10+ display the multi-column text perfectly, but Chrome does not. This sample page shows the problem: http://www.hymntime.com/tch/test/html5/html5-multicolumn-test.htm The page uses a media selector, so your Chrome window must be at least 1280 pixels wide to see the effect. In fact, if you make the Chrome window less than 1280 pixels, you'll see the lyrics block change to a single column, of the same overall width. In other words, when Chrome shifts to 1-column to 2-column mode (due to the wider browser window), the lyrics block remains the same width, causing text to be squeezed together. Has anyone else seen this behavior, or know a solution? Is this a Chrome bug, or I am I doing something wrong? I posted this question on a Chrome forum a while back, but got no reply.

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• Youtube ENTIRELY crashes the computer

  - by begtognen

  About a week ago a regular Synaptic update ran in the background. Ever since, when I try to watch a Youtube video (just hitting "play" on the video) the monitor goes black for a moment, then there are just random bars of colour flashing. The only way to fix it is to turn the computer off using the power button and then restarting the computer. I'm using Ubuntu 10.04. It looks like a lot of people have had troubles since that update (red videos, videos that just don't work) but I haven't found anybody with this kind of spectacular crash. I've tried both Firefox and Chromium, same results. Any ideas?

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• Floppy Drive not recognised

  - by Art

  I am a newbie with Ubuntu during the past two weeks, and I believe, that I have made good progress so far. Current setup tasks are completed, like: "Wireless Network, Printer, Thunderbird + Firefox, e-mail", also my local weather station - all setup. Updated files and rearranged the desktop to my liking. The problem I have now is my floppy drive which is not recognized, but the activity light is shown on constantly. I have downloaded the "MakeFloppyDriveAvailableToEveryone" and i am confident that I can follow the instructions to change the floppy drive. However, I do not have an existing fd0 file in /dev/???, but only /dev/fd/ files 0 to 46. Please advise.

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• Mozilla publie une démonstration de la vidéoconférence sans plugins avec WebRTC et HTML 5

  Mozilla publie une démonstration de la vidéoconférence sans plug-ins avec WebRTC et HTML 5 Mozilla travaille sur le support en natif de la vidéoconférence dans son navigateur Firefox. L'organisme a publié récemment une démonstration de la vidéoconférence sans plug-ins en utilisant uniquement HTML5, JavaScript et l'API WebRTC à l'occasion d'une conférence de l'IETF (Internet Engineering Task Force). WebRTC est un framework de communications audio et vidéo open source publié par Google. Il intègre le codec vocal à large et très large spectre iSAC (internet Speech Audio Codec) et codec VP8. Il prend aussi en...

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• Youtube showing horizontal lines when full screen in google chrome

  - by Blaze Tama

  First, im new in ubuntu so please bear with me. My google chrome shows strange behavior when playing youtube videos in full screen mode. There will be some horizontal white lines, which is exactly like when you playing the game without the vsync. I've checked firefox and the videos working perfectly in there. I also tried to play videos from my HDD using VLC player and its working fine. It seems the problem is in the google chrome alone. My version of ubuntu is 13.04, my laptop is asus n46vz and i use the latest release of google chrome. I've tried to ask google, but it seems he has no answer. Thanks for your time :D

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• Attach Keyboard/Mouse to X Display in Dell XPS L502x Dual Video Cards (Intel/Nvidia HDMI)

  - by lcoronelp

  The idea: Use a second monitor in Dell XPS L502x with HDMI port in Ubuntu 12.04 The process: I connect the HDMI cable to monitor. I read this and I have video in HDMI monitor with Bumblebee and this commands: optirun nvidia-settings -c :8 DISPLAY=:8.0 firefox I have created a second keyboard/mouse master group with xinput with this solution. The problem: The second monitor (Display 8) doesn't recognize the keyboard/mouse and I cant use it. The question: Do you know some command to attach the keyboard/mouse master group to Display 8? I think that xinput -set-cs may work but it does not.

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• Unity mouse input not working in webplayer build

  - by Califer

  I have a button script with the following code void OnMouseDown() { animation.Play("button-squish"); enlarged = true; audio.PlayOneShot(buttonSound); } void OnMouseUpAsButton() { if (enlarged) { SelectThisButton(); enlarged = false; animation.Play("button-return"); } } void OnMouseExit() { if (enlarged) { enlarged = false; animation.Play("button-return"); } } It works great in the editor, but when I made a build and tested it in Chrome none of the buttons had any response. Further testing revealed that it did work in Firefox. Rather than telling people to change their browser if they want to play, I want to make the button code work. How else can I get the buttons to know when they're being pressed if the built-in stuff isn't working?

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• Left and right keys acting crazy on Ubuntu 10.10 Netbook Remix?

  - by Stephanie

  Hi guys, I just installed Ubuntu 10.10 Netbook Remix on my HP Mini 1000. Everything worked fine right up until I tried typing - apparently the left and right arrow keys on my keyboard are uncontrollable. Everything I type ends up looking messed up because the left and right keys keep automatically inserting themselves into everything I type. This also happens when I click on, say, "File" on Firefox. It starts rotating between all the different menu options even though I'm not pressing anything on the keyboard. Does anyone have any idea what's going on? Is this a problem with the keyboard itself?

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