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• HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

  - by Jason Fitzpatrick

  More and more banks, credit card companies, and even social media networks and gaming sites are starting to use two-factor authentication. If you’re a little unclear on what it is or on why you’d want to start using it, read on to learn how two-factor authentication can keep your data secure. HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux

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• What advantages switching to ruby might give me as a python programmer ?

  - by Richard Placide

  This is my first question on stackoverflow, so please bear with me. I'm trying to stay away from any form of trolling or flame baiting as i have a tremendous respect for both languages. I'm a python programmer (though not an expert) and i love it. My first language was C++. My line of work (web development) is pushing me towards other languages like php and javascript. Recently, I've been very excited by Ruby's increasing popularity. However I used to be under the impression that Python and Ruby were so close that there was little point in trying to learn and master both. But I get the sense that I was wrong, hence my question : I'd like to hear from python programmers who have either switched entirely to ruby or added ruby to their toolset. What specific benefits did you get from switching (entirely or partially) to Ruby from Python ? Ideally I'd like to hear from real world experiences.

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• I prefer C/C++ over Unity and other tools: is it such a big downer for a game developper ?

  - by jokoon

  We have a big game project on Unity at school on which we are 12 to work on. My teacher seems to be convinced it's an important tool to teach students, since it makes students look from the high level to the lower level. I can understand his view, and I'm wondering: Is unity such an important engine in game developping companies ? Are there a lot of companies using it because they can't afford to use something else ? He is talking like Unity is a big player in game making, but I only see it fit small indie game companies who want to do a game as fast as possible. Do you think Unity is that much important in the industry ? Does it endangers the value of C++ skills ? It's not that I don't like Unity, it's just that I don't learn nothing with it, I prefer to achieve little steps with Ogre or SFML instead. Also, we also have C++ practice exercises, but those are just practice with theory, nothing much.

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• How do I resolve "No JSON object could be decoded" on mythbuntu live CD?

  - by Neil

  I have been running a MythTV frontend on my laptop for some time against a MythTV backend installed in Linux Mint 12 on another computer, and everything works fine. Now, I'm trying out the Mythbuntu Live CD (12.04.1 32-bit) on the laptop, to turn it into a dedicated front end. It's connecting to the network just fine, and I can see my server. When I click on the frontend icon on the desktop, it asks me for the security code, which I've verified against mythtv-setup on the server. However, when I test that code, it shows the error message "No JSON object could be decoded". I've looked in the control center to see if there's something else I should be setting up. The message above implies to me that it can't find the server, but I can find no place in the control center to tell it where to find my myth backend, which I find a little odd. Does the live CD not work against a backend server on another machine?

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• Do image backlinks count as backlinks?

  - by sam

  If i have lots of images appearing tumblr blogs, the sort of tumblogs with very little text just reams and reams of images for people to browse through (example - http://whereisthecool.com/). If my image is embeded in their site like this : <a href="http://mysite.com" target="blank"> <img src="cutecatblog.com/cat.jpg" alt="cute cat"/> </a> so the image was a link back to my site. Although there is no anchor text to speak of does google take into account the alt text of the image ? Would this still count in googles eyes as a backlink ?

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• ZeroBin Is an Encrypted PasteBin Alternative

  - by Jason Fitzpatrick

  ZeroBin is like the heavily armored sibling of PasteBin; You can still paste large chunks of text but that text is encrypted with client-side encryption. PasteBin is great when you need to share snippets of code or log files, the only problem is the service is essentially wide open. Not such a big deal if you’re sharing your XBMC logs on the support forum to get a little help figuring out why your movie list won’t update, but less than idea if you’re sharing more sensitive information. ZeroBin steps in to fill that gap by offering client-side encryption where ZeroBin has no knowledge of the content of your shared text snippets. In addition you can set up the ZeroBin content to self destruct after a set amount of time. Hit up the link below to take ZeroBin for a spin. ZeroBin [via One Thing Well] How to Stress Test the Hard Drives in Your PC or Server How To Customize Your Android Lock Screen with WidgetLocker The Best Free Portable Apps for Your Flash Drive Toolkit

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• How to change grub-bios to grub-efi

  - by user92325

  So a while ago i installed Ubuntu on my Macbook. I had to reinstall it because something in the update manager messed up. Not to concerded about that but for some reason after the installation Ubuntu wont boot. I found out later that Apple hardware uses EFI as the BIOS. Every time i try to install it i make a swap space and the root file to make the installation. I noticed that when i make the boot file its in grub-bios. I need to change this to grub-efi i found out but theres no option to change this. It still wont boot though. When i install it i dont get any errors but doing a little bit of reasearch i find that the boot file may be the problem im not entirely sure how to fix this but if anyone could give me some insight on this subject id very much appreciate it

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• RoundhousE now supports Oracle, SQL2000

  RoundhousE, the database migration software that is based on sql scripts has added support for Oracle and SQL 2000. There have also been numerous other little things, including better logging and a script run errors table. The script errors table captures what went wrong when/if your scripts are not quite up to par or there is some other issue. A special thanks goes out to http://twitter.com/PascalMestdach and http://twitter.com/jochenjonc. They worked hard on this and all I did was provide guidance...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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• Beginner Guide to User Styles for Firefox

  - by Asian Angel

  While the default styles for most websites are nice there may be times when you would love to tweak how things look. See how easy it can be to change how websites look with the Stylish Extension for Firefox. Note: Scripts from Userstyles.org can also be added to Greasemonkey if you have it installed. Getting Started After installing the extension you will be presented with a first run page. You may want to keep it open so that you can browse directly to the Userstyles.org website using the link in the upper left corner. In the lower right corner you will have a new Status Bar Icon. If you have used Greasemonkey before this icon works a little differently. It will be faded out due to no user style scripts being active at the moment. You can use either a left or right click to access the Context Menu. The user style script management section is also added into your Add-ons Management Window instead of being separate. When you reach the user style scripts homepage you can choose to either learn more about the extension & scripts or… Start hunting for lots of user style script goodness. There will be three convenient categories to get you jump-started if you wish. You could also conduct a search if you have something specific in mind. Here is some information directly from the website provided for your benefit. Notice the reference to using these scripts with Greasemonkey… This section shows you how the scripts have been categorized and can give you a better idea of how to search for something more specific. Finding & Installing Scripts For our example we decided to look at the Updated Styles Section”first. Based on the page number listing at the bottom there are a lot of scripts available to look through. Time to refine our search a little bit… Using the drop-down menu we selected site styles and entered Yahoo in the search blank. Needless to say 5 pages was a lot easier to look through than 828. We decided to install the Yahoo! Result Number Script. When you do find a script (or scripts) that you like simply click on the Install with Stylish Button. A small window will pop up giving you the opportunity to preview, proceed with the installation, edit the code, or cancel the process. Note: In our example the Preview Function did not work but it may be something particular to the script or our browser’s settings. If you decide to do some quick editing the window shown above will switch over to this one. To return to the previous window and install the user style script click on the Switch to Install Button. After installing the user style the green section in the script’s webpage will actually change to this message… Opening up the Add-ons Manager Window shows our new script ready to go. The script worked perfectly when we conducted a search at Yahoo…the Status Bar Icon also changed from faded out to full color (another indicator that everything is running nicely). Conclusion If you prefer a custom look for your favorite websites then you can have a lot of fun experimenting with different user style scripts. Note: See our article here for specialized How-To Geek User Style Scripts that can be added to your browser. Links Download the Stylish Extension (Mozilla Add-ons) Visit the Userstyles.org Website Install the Yahoo! Result Number User Style Similar Articles Productive Geek Tips Spice Up that Boring about:blank Page in FirefoxExpand the Add Bookmark Dialog in Firefox by DefaultEnjoy How-To Geek User Style Script GoodnessAuto-Hide Your Cluttered Firefox Status Bar ItemsBeginner Geek: Delete User Accounts in Windows 7 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 VMware Workstation 7 Acronis Online Backup DVDFab 6 Revo Uninstaller Pro Bypass Waiting Time On Customer Service Calls With Lucyphone MELTUP – "The Beginning Of US Currency Crisis And Hyperinflation" Enable or Disable the Task Manager Using TaskMgrED Explorer++ is a Worthy Windows Explorer Alternative Error Goblin Explains Windows Error Codes Twelve must-have Google Chrome plugins

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• Gerrit, git and reviewing whole branch

  - by liori

  I'm now learning Gerrit (which is the first code review tool I use). Gerrit requires a reviewed change to consist of a single commit. My feature branch has about 10 commits. The gerrit-prefered way is to squash those 10 commits into a single one. However this way if the commit will be merged into the target branch, the internal history of that feature branch will be lost. For example, I won't be able to use git-bisect to bisect into those commits. Am I right? I am a little bit worried about this state of things. What is the rationale for this choice? Is there any way of doing this in Gerrit without losing history?

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• How To Teach Independence

  - by Glenn Nelson

  In my IB Computer Science class I am routinely asked by... pretty much everyone how to do X or implement Y. I'm the only person with any significant programming experience in the class and I do not necessaries mind teaching people about programming but so many of the questions could be simply solved by doing a little investigating. What are some ways I could try to teach my fellow students how to be self-reliant programmers? All I can really think of is being a Google ninja & learning how to use an API.

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• ATI Radeon HD 5750 and lagging in games and youtube videos

  - by Morten Fjord Christensen

  I have a X-ONE W-601 desktop pc: 3,1GHz AMD QuadCore Athlon II 645 X4 8 GB DDR3 RAM 1000 GB Harddisk 7200RPM ATI Radeon HD5750 with 1GB DDR5 RAM I'm running Ubuntu 11.10 64-bit and have installed the proprietary driver, but still games lag and videos a little bit. Been googling around and seen that it has something to do with the older drivers from AMD and KMS, but no guide helped me correctly through to make my graphic card work smoothly. I don't know if this helps but "fglrxinfo" in terminal shows: display: :0 screen: 0 OpenGL vendor string: ATI Technologies Inc. OpenGL renderer string: ATI Radeon HD 5700 Series OpenGL version string: 4.1.11005 Compatibility Profile Context And the driver check command shows: [ 51.184] (II) ATI Proprietary Linux Driver Version Identifier:8.88.7 Any help appreciated :D

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• Release Notes for 10/18/2012

  Below are the release notes from this week's deployment. Improvements and Bug Fixes Updated the Source browsing to fixed width and full browser height. The source browsing experience now defaults to the fixed width layout. But, if you really want to take advantage of that 30" monitor you have on your desk, you can expand the source to fill the browser window. Just click on the little plus icon in the upper right. Let us know what you think.  Thank you A big thank you to CodePlex users Coilz and CursedPerVerse for reporting an issue with deploying to AppHarbor, that issue has been resolved.  Feedback Have ideas on how to improve CodePlex? Please visit our suggestions page! Vote for existing ideas or submit a new one. As always you can reach out to the CodePlex team on Twitter @codeplex or reach me directly @mgroves84

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• What should PASS be?

  - by RickHeiges

  Recently, there have been some blog posts about what PASS should be? It is great to see these posts because it gives the BoD feedback on how we are doing and where we can improve. When I first started to get involved in PASS back in 2001, PASS was little more than a conference and some loosely affiliated chapters. It wanted to be more and claimed to be more, but it wasn't. The conference was (and still is) our main source of revenue. The website was essentially a brochure for the conference. The...(read more)

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• Barnes & Noble Slashes Lighted Nook Price to a Kindle-Competitive $119

  - by Jason Fitzpatrick

  In a bit of market battling that benefits everyone, Barnes & Noble has slashed the price of the Nook Simple Touch with Glowlight–their closest match to the Kindle Paperwhite–to $119. The new listing, in addition to showing off the lowered price, includes a not-so-subtle jab against the Kindle: “No Ads. Power adapter included.” While the Glowlight is a great little ebook reader, Barnes & Noble is on the defensive after a week of hands-on-hardware reviews of the Kindle Paperwhite left many reviewers proclaiming it king of the e-readers and heaping on mountains of praise. Hit up the link below to read more about the Nook Simple Touch with Glowlight Nook Simple Touch with Glowlight Now $119 8 Deadly Commands You Should Never Run on Linux 14 Special Google Searches That Show Instant Answers How To Create a Customized Windows 7 Installation Disc With Integrated Updates

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• Unable to sync files not located in the Ubuntu One folder

  - by pst007x

  I have the option to sync files in nautilus, however when the option is selected nothing happens. I am able to SLOWLY sync files in the Ubuntu One folder (unless in sub-folders), but only there. Why give the option if it does not work? This really is still beta, so to charge for this service is terrible. I am a little frustrated at the moment, I have tried all sorts; removing accounts to a fresh Ubuntu install! I am at a loss :-( Can anyone else sync files outside the Ubuntu One folder, if so how? Thanks

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• How can I locate empty space next to polygon regions?

  - by Stephen

  Let's say I have the following area in a top-down map: The circle is the player, the black square is an obstacle, and the grey polygons with red borders are walk-able areas that will be used as a navigation mesh for enemies. Obstacles and grey polygons are always convex. The grey regions were defined using an algorithm when the world was generated at runtime. Notice the little white column. I need to figure out where any empty space like this is, if at all, after the algorithm builds the grey regions, so that I can fill the space with another region. Basically what I'm hoping for is an algorithm that can detect empty space next to a polygon.

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• Save the dates &ndash; Tech.Days 2011 23rd to 25th of May in London

  - by Eric Nelson

  In May Microsoft UK (and specifically my group) will be delivering Tech.Days – a week of day long technical events plus evening activities. We will be covering Windows Phone 7, Silverlight, IE 9, Windows Azure Platform and more. I’m working right now on the details of what we will be covering around the Windows Azure Platform – and it is shaping up very nicely. There is a little more detail over on TechNet – but for the moment, keep the dates clear if you can. P.S. I think the above is called a “teaser” in marketing speak.

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• Multiple Sprites using foreach Collison Detection in XNA (C#)

  - by Bradley Kreuger

  Back again from my last question. Now I was curious I use a foreach statement to use the same shot class. How would I go about doing collison detection. I used the tutorial here on how to shoot a fireball http://www.xnadevelopment.com/tutorials.shtml. I tried to put in several places a foreach to look at all of them to see if they have reached the borders of my sprite hero but doesn't seem to do anything. If again some one might know of a good site that has tutorials to explain collision detection a little bit better that would be appriecated.

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• Address Is Approximate: A Brilliant Stop Motion and Street View Mashup [Video]

  - by Jason Fitzpatrick

  In this moving and brilliantly executed stop motion film, a small toy takes a voyage across the world without leaving the desk he lives on. Address is Approximate, a short stop motion film by Tom Jenkins, is a moving little film that combines Google Street View, stop motion, a collection of small desktop toys, and very clever use of office objects to great effect. [via GeekDad] How to See What Web Sites Your Computer is Secretly Connecting To HTG Explains: When Do You Need to Update Your Drivers? How to Make the Kindle Fire Silk Browser *Actually* Fast!

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• 410 Responses when your CMS host doesn't support them?

  - by leeand00

  Sending a 410 responses for a page that no longer exist should make Google stop crawling for that page. The site I am working on has been recently migrated, and very little of the content was migrated. I've already turned the existing content into 301 redirects (the content that is on both the old and the new site), but now I would like to flush the old content from Google's memory by placing 410 responses in it's path when it returns to crawl for them and finds a 404 response. However, I asked our CMS host about it, and they said that our CMS does not support 410 responses. Is there some other way to post a 410 response, like making a dead link 301 redirect to a page that a 410 response in the form of a meta tag?

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• Hosted version of Yahoo! answers

  - by Neil

  Hi all. Does anyone know of a hosted version of Yahoo! Answers (or Stackoverflow/Superuser) that I could integrate with my site? I know that there are some open-source implementations (see http://meta.stackoverflow.com/questions/2267/stack-overflow-clones?page=1&tab=votes#tab-top) but I'd rather have some hosted if possible. I know there is http://stackexchange.com/ as well, but I really want some tight integration with the rest of my site. Failing that, has anyone got any experience with the open source versions? Some of them look a little, erm, unfinished... Thanks. Neil.

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• Rails Easy Data Dumping

  - by Madhan ayyasamy

  Hi Friends,The following useful snippets,you can find out the easiest way of ruby on rails environment data dumping. You’ll often need to get data from production to dev or dev to your local or your local to another developer’s local. One plug-in we use over and over is Yaml_db. This nifty little plug-in enables you to dump or load data by issuing a Rake command. The data is persisted in a yaml file located in db/data.yml. This is very portable and easy to read if you need to examine the data.01rake db:data:dump02 03example data found in db/data.yml04 05---06campaigns:07  columns:08  - id09  - client_id10  - name11  - created_at12  - updated_at13  - token14  records:15  - - "1"16    - "1"17    - First push18    - 2008-11-03 18:23:5319    - 2008-11-03 18:23:5320    - 3f2523f6a66521  - - "2"22    - "2"23    - First push24    - 2008-11-03 18:26:5725    - 2008-11-03 18:26:5726    - 9ee8bc427d94

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• What to do when projects are slow and you are being held up by others?

  - by antonpug

  Where I work, projects take a significant amount of time because the teams are large, there is a lot of "design and analysis", a lot of documentation, and work always gets pushed off. I work in the middle tier and I always have to wait for the services and client folks to get their work done. Oftentimes there are weeks at a time when I can't get any work done. I feel bored and weird just sitting here scrambling to at least appear like I am busy. Management seems to do little when asked for more work. What do you do in such cases?

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• How to deal with D3DX .dll hell?

  - by bluescrn

  There's a large number of versions of the D3DX dll, from each SDK update, each version having a unique name (http://www.toymaker.info/Games/html/d3dx_dlls.html). All-too-often, people have versions missing. So even though they have a compatible version of DirectX, your D3D-based project won't run on their machine. I want to be able to distribute games (little spare-time projects, game jam entries, etc) as a simple zip file, without the need for an installer. But a significant percentage of users run into missing D3DX .dll errors. And without an installer, Microsoft's official solution (the DirectX web installer/updater) isn't really much of a solution. Unfortunately, Microsoft still won't give us the option of static linking to D3DX (which would be a nice clean solution). And avoiding using D3DX isn't very practical, especially if you're working with shaders (and no, I'm not switching to OpenGL, at least for now) Does anyone have clever solutions to avoiding this DLL hell?

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