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• Compiz stop working

  - by Aikanáro

  I'm on a laptop sony vaio, vng-nw330f with ubuntu 11.10. One day I used my computer normally, I shutdown and the other day when I turn on it again, all was different. Compiz effects is not working at all, it doesn't matter what plugin (from ccsm) i enable or disable, nothings happens, nothings changes. I tried next commands: unity --reset unity --reset-icons sudo rm -rf .config .gnome .gnome2 .gnome2_private .compiz .icons .fonts .nautilus .themes .qt .local (from my home directory) gconftool-2 --recursive-unset /apps/compiz-1 I try reinstalling compiz (I remove compiz from software center and installed it again). I have just a couple of weeks using ubuntu, I'm not sure if exist a desktop call it unity 3d, but I think that it's missing. I want the graphics interface of ubuntu 11.10 by default.

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• difference in using third party social buttons and directly integrating each social buttons ourselves

  - by Jayapal Chandran

  I wanted to add specific social buttons to my article. I used ShareThis. It gives a facebook like button, google plus button, etc... by default. were as in other articles of different modules i had integrated the facebook like by myself by following the documentation (including markup in the head section) What is the difference in adding manually with many markups and using third party code? Will that affect SEO or any other advantage over the respective social networking site (here for example facebook and google plus)?

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• grub2 loopback booting ubuntu server iso

  - by Thermionix

  I've got usb-keys setup to multi-boot different linux images using grub2 loopback. The standard ubuntu release isos boot fine, however when attempting to use the server iso it will fail to install saying 'unable to detect cd-media for installation'. the grub.cfg entry; menuentry "ubuntu-12.04-server-amd64" { set isofile="/boot/ubuntu-12.04-server-amd64.iso" loopback loop $isofile linux (loop)/install/vmlinuz file=$isofile/preseed/ubuntu-server.seed ro noprompt noeject -- initrd (loop)/install/initrd.gz } I've attempted to add the following parameters as the fromiso works for debian images on the key iso-scan/filename=/boot/ubuntu-12.04-server-amd64.iso iso-scan/filename=/dev/disk/by-uuid/2859-44B7/boot/ubuntu-12.04-server-amd64.iso fromiso=/dev/disk/by-uuid/2859-44B7/boot/ubuntu-12.04-server-amd64.iso

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• How would you explain that software engineering is more specialized than other engineering fields?

  - by Spencer K

  I work with someone who insists that any good software engineer can develop in any software technology, and experience in a particular technology doesn't matter to building good software. His analogy was that you don't have to have knowledge of the product being built to know how to build an assembly line that manufactures said product. In a way it's a compliment to be viewed with an eye such that "if you're good, you're good at everything", but in a way it also trivializes the profession, as in "Codemonkey, go sling code". Without experience in certain software frameworks, you can get in trouble fast, and that's important. I tried explaining this, but he didn't buy it. Any different views or thoughts on this to help explain that my experience in one thing, doesn't translate to all things?

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• Cross platform mobile development VS Native Mobile Development: Present And Future.

  - by MobileDev123

  I just completed one year in Smart phone development, working on BlackBerry and Android and also developed one application exclusively targeted to nokia feature phones. And just a month ago I come to know about Titanium Appcelerator tool that enables cross platform development, but there are some developers who complain about it's sub-par functionalities. Even a little bit experience of mine says that developing in native environment rather than these cross platform tools will give you more advantages by giving a developer a chance to add more features with better performance. Do you have same experience? Or you find such cross development tools really useful regarding to advance functionality and performance? As porting (or co developing) same application to different mobile platform is common thing nowadays, what do you think will these cross platform tools evolve and force developers to get a hands on approach on them or majority will stick to the native development environment?

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• Speaking in St. Louis on June 14th

  - by Bill Graziano

  I’m going back to speak in St. Louis next month.  I didn’t make it last year and I’m looking forward to it.  You can find additional details on the St. Louis SQL Server user group web site.  The meeting will be held at the Microsoft office and I’ll be speaking at 1PM. I’ll be speaking on the procedure cache.  As people get better and better tuning queries this is the next major piece to understand.  We’ll talk about how and when query plans are reused.  The most common issue I see around odd query plans are stored procedures that use one query plan but the queries run completely different when you extract the SQL and hard code the parameters.  That’s just one of the common issues that I’ll address. There will be a second speaker after I’m done, then a short vendor presentation and a drawing for a netbook.

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• Can you be a web and desktop developer at the same time?

  - by Charmop

  In my environment, I found web programmers, desktop programmers and both web and desktop programmers. About myself I started my career with desktop development using C and then Java, did couple of simple level projects. Then at the final graduating year, my project was a web one, so I turned to web development until this moment. But, when I meet people having chosen to be web or software developers from the beginning, I figure out that they have more knowledge/experience than I have. So I get kind of regret why didn't I specialize my self from the first day? The question is: Is it a good habit to work at two, more or less, different fields: web and desktop? Or we must specialize ourselves?

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• Does the keyword blog in url impove seo?

  - by slow diver

  I have seen a couple of site which has high number of hits. They are mostly tutorial sites and blogs that address software issue/errors. I wonder if the kewybord "blog" has a very positive effect in SEO? In my own site, I have install word press in root folder to avoid any blog keyword. I also did this to keep urls shallow (deeper url are not good for SEO). But I may want to think on it again. The sites I am referring too are http://blog.sqlauthority.com http://veerasundar.com/blog/2011/11/making-xampp-to-serve-any-directory-outside-htdocs/ I know there are standard (sort of) class names or ID that identify different contents and makes it easier for the search engine to identify contents like, "container", "menu". The use of word "blog" would mean this is about dicussing/tutoring something and have a very positive effect on SEO?

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• Social media guide for web startups

  - by user359650

  I'm looking for a social media guide that would talk me through all the different steps involved with setting up social media for a new website (e.g. how to create accounts on the main social media like Facebook and Twitter, how to get new fans/followers, highlight the things one should avoid doing...) The guide should primarily cover the startup phase of a website, and ideally be in PDF or other printer-friendly formats. Google returned a lot of results for social media guide startup, none of which really stood out, hence the question on Pro webmasters.

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• ING: Scaling Role Management and Access Certification to Thousands of Applications

  - by Tanu Sood

  Organizations deal with employee and user access certifications in different ways.  There’s collation of multiple spreadsheets, an intense two-week exercise by managers or use of access certification tools to do so across a handful of applications. But for most organizations compliance is about certifying user access for thousands of employees across hundreds of systems. Managing and auditing millions of entitlement combinations on a periodic basis poses a huge scale challenge. ING solved the compliance scale challenge using an Identity Platform approach. Join the live webcast featuring ING’s enterprise architect, Mark Robison, as he discusses how a platform approach offers value that is greater than the sum of its parts and enables ING to successfully meet their security and compliance goals. Mark will also share his implementation experiences and discuss the key requirements to manage the complexity and scale of access certification efforts at ING. Mark will be joined by Neil Gandhi, Principal Product Manager for Oracle Identity Analytics. Live WebcastING: Scaling Role Management and Access Certification to Thousands of ApplicationsWednesday, April 11th at 10 am Pacific/ 1 pm EasternRegister Today

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• Literature for Inverse Kinematics: Joint Limits and beyond

  - by Jeff

  Recently I've been playing around with Inverse Kinematics and have been pretty impressed with the results. Naturally I want to take it further, but have no clue where to start. In particular, I would like to introduce joint limits (ie for a prismatic joint how far it can move, hinge joint what angles it has to be between, etc etc). Currently I understand how to produce the Jacobian matrix for the various joint types. I am particularly looking for literature (preferably free, and preferably easy to understand) on various ways to implement joint limits. Also I would like to find out different ideas on how inverse kinematics can be used.

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• What is the SEO impact of moving my domain to another IP address and what is the right way of doing this?

  - by ElHaix

  I am planning to move several websites to a new hosting provider - keeping the same URL but will resolve to different IP addresses. For example, some sites are Canadian content-only sites, hosted on .CA domains sitting on Canadian IP addresses. I want to move these to Amazon servers which have US IP addresses. The domain names will remain the same. (1) What is the SEO impact of this? (2) Will the site lose some ranking if the sites are moved to a new IP address (Canadian or not), and if so, what is the cleanest way of accomplishing this (some kind of 301's)?

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• convert image to spritesheet of tiles for isometric map?

  - by Paul

  is there a way to convert an isometric image (like the first image) to a spritesheet (like the second image), in order to place each image on the isometric map with the code? The map looks like the first image, but some buildings are bigger than just one tile, so I need several squares (let's say the first image is a building, made of multiple tiles with different colors), and each square is placed with an offset of 64x32. The building is created in Blender and I save the image with the isometric perspective. But I have to split each square from this image in order to have the spritesheet, maybe there is smarter way, or a java software that would make the conversion for me?

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• Can I let maximized windows reach behind the gnome-panel?

  - by Bruce Connor

  My top gnome-panel is set to not expand and sits on the top-right of my screen. I just realized I wouldn't mind if maximized windows were able to get behind it (it wouldn't actually cover up anything). Is it possible to achieve that with the gnome-panel? Here's what it looks like now: Ideally, the window's titlebar would be behind the panel (partially obscured by it). I know that different dock softwares like AWN are able to do that, but I'm running a weak netbook, and I would rather do that with the gnome-panel.

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• How do I make sure the web developer I hire will not steal my idea?

  - by Greg McNulty

  So I have a great idea for a new website. However, not the time to develop it. I would like to hire a person or company to design it for me. What steps do I need to take, to protect my idea? Where and how do people protect website ideas in general? Also, how easy is it for someone to tweak the idea and make it legally heir own? Is a patent enough to protect such a thing, idea. Are there different levels or types of protection? Thank You.

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• How to do a cacheable redirection?

  - by John Doe

  When users enter my website example.com, their "preferred" language is detected and they are redirected (using a 301 Moved Permanently redirection) to example.com/en/ (for english), example.com/it/ (for italian), etc. It works perfectly, but when I analized my website with the Google Page Speed tool it gave me the following advice. Many pages, especially mobile pages, redirect users to a different URL, for instance from www.example.com to m.example.com. Making this redirect cacheable by the user's browser can speed up page load times for repeat visitors to a site. And later it says We recommend using a 302 redirect with a cache lifetime of one day. The redirect should include a Vary: User-Agent header as well as a Cache-Control: private header. So my questions are, how can I do a "cacheable" redirection in PHP? Would the following be enough? header("HTTP/1.0 302 Moved Temporarily"); header("Location: example.com/whatever"); exit;

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• What happens differently when you add a task Asynchronously on GAE?

  - by Ben Grunfeld

  Google's doc on async tasks assumes knowledge of the difference between regular and asynchronously added tasks. add_async(task, transactional=False, rpc=None) Asynchronously add a Task or a list of Tasks to this Queue. How is adding tasks asynchronously different to adding them regularly. I.e. what is the difference between using add(task, transactional=False) and add_async(task, transactional=False, rpc=None) I've heard that adding tasks regularly blocks certain things. Any explanation of what it blocks and how, and how async tasks don't block would be greatly appreciated.

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• cocos2d-x - object creation and management in game design

  - by Jason

  How do others keep track of everything going on in their games? I am working on a new game and I am quickly realizing everything that I need to keep track of. Example: Maybe a layerManager that keeps track of all the layers and what is happening for a particular scene. Maybe a sceneManager for sharing objects among scenes But then getting to game play itself, what if you have 100 objects on the screen each with its own state and happenings, there needs tobe a way to keep track of all of that. Drawing everything out is really helping me. Can anyone share with me how they go about object tracking/management? I am seeing a few different managers and then maybe even a parent object that manages the managers..is my thinking way off? Any design patterns that may be useful for me to read about? Update: doing some reading and maybe a Factory pattern might apply.

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• "44 Tips" in PHP Magazin and Other NetBeans IDE Screencasts

  - by Geertjan

  My recent YouTube series "44 Tips for Front End Web Devs" (part 1, part 2) has been picked up by PHP Magazin: http://phpmagazin.de/news/Frontend-Entwicklung-mit-NetBeans-IDE-168339 Great. I'm working on more screencasts like that, from different angles. For example, one will methodically explain each and every window in NetBeans IDE; another will step through the creation of an application from conception to deployment; while another will focus on the NetBeans IDE extension points and how easily they can be used to add new features to NetBeans IDE. The screencast approach has, I think, a lot of advantages. They take less time to make and they seem to be more effective, in several ways, than tutorials. Hearing someone talk through a scenario seems to also put things in a clearer perspective than when you have everything written out in a document, where small details get lost and diversions are more difficult to make. Anyway, onwards to more screencasts. Any special requests?

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• How to change tooltip background color in Unity?

  - by kayahr

  In a lot of applications the tooltips are just plain ugly (White text on black background, way too much contrast) or even unreadable (black or dark blue text (Hyperlinks) on black background). I want to change the background color of the tooltips to some medium gray or even some yellow or something like that, maybe even something semi-transparent. Here is a screenshot of Eclipse which displays some source code in a tool tip with black text on black background: Switching to a different theme (Something other than Ambiance or Radiance) helps but I like Ambiance and I want to keep it. It's just this darn tooltip color which is absolutely unacceptable. I found several solutions for older Ubuntu versions but they no longer work with Unity in Ubuntu 11.10 because I can't find any function to customize the Ambiance or Radiance theme. So how do I do that in the current Ubuntu version?

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• Secure Deployment of Oracle VM Server for SPARC - updated

  - by Stefan Hinker

  Quite a while ago, I published a paper with recommendations for a secure deployment of LDoms.  Many things happend in the mean time, and an update to that paper was due.  Besides some minor spelling corrections, many obsolete or changed links were updated.  However, the main reason for the update was the introduction of a second usage model for LDoms.  In a very short few words: With the success especially of the T4-4, many deployments make use of the hardware partitioning capabilities of that platform, assigning full PCIe root complexes to domains, mimicking dynamic system domains if you will.  This different way of using the hypervisor needed to be addressed in the paper.  You can find the updated version here: Secure Deployment of Oracle VM Server for SPARCSecond Edition I hope it'll be useful!

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• Kubuntu login problem

  - by Balázs Mária Németh

  I have a problem when trying to login to my Kubuntu 10.10. The login screen shows up, then I type my password, a blank screen is shown with my desktop background picture and then throws me back on the login screen. if I choose to login from console, I can do that, and by typing startx I can log in just fine but in the end I cannot shutdown the computer from the k menu nor will my settings remembered for the next time I log back. I have my home directory mounted from a different partition but I tried to create a new user account and I could log in without any kind of problem. The home directory is not encrypted, at least not to my knowledge. Some log files: Xorg.0.log dmesg.out kdm.log xsession.errors

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• Title of a specific retro game with color absorption

  - by Rene B

  I am looking for the title a free multiplayer (on one machine) DOS game i can't remember Players are steering (with cursors/WASD keys) kind of ufos which looks like donuts from top-down view. These 'ufos' attract colored particles. When your particles collide with particles from other players (in a different color), the colors will mix. If the particles are more your color than the other players color, they will start following you. The only remaining player (with the most color particles) wins the game. Can you please give me the game title? THANK YOU!

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• shader3 not enabled error in Eve Online Crucible

  - by Matt Vercoe

  I'm a complete noob at this, and have been trying everything to run Eve Online within Ubuntu 11.10. I have installed through Winetricks no problem, and have enabled the virtual windows desktop within Winetricks. My problem is that after the splash screen for Eve, I get an error message telling me that shader 3 is not enabled. I have an old GEForce 7300LE, but it does support shader 3. I have also tried a few different drivers with no luck. I have tried looking within the NVidia X setting, but can't find anything. Running Eve on Windows 7 is the only reason I'm still using windows, so any help to run it on Ubuntu would be very appreciated, as I'm pulling my hair out trying to figure out something which should be simple.

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• A specific user is unable to log in to vsftpd

  - by HackToHell

  I am setting up a new user let his name be ftpguy. He has access to only one directory /var/www/xxx. I have already chowned the directory so that he has write and read privileges. The user is also unable to login via ssh as I have disabled that by changing his shell to /sbin/nologin. Also, in vsftpd config, I have enabled the chroot_local_user. Now whenever I log in from ftp, i get an auth error. Connect socket #1008 to xxxxxxxx, port 21... 220 Welcome to blah FTP service. USER ftpguy 331 Please specify the password. PASS **** 530 Login incorrect. I changed the password to something different several times, using the passwd command, nothing happens, i still the above error. However I am able to log in with my ssh creditals to my ftp server without any problems.(I do not use a key).

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