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• Ubuntu 12.04 wallpaper problem when using two monitors

  - by jiomsa

  I am using two monitors, the main resolution is 1920x1080 and the secondary is 1440x900. Everything seems to work fine (with default drivers, fglrx crashes bad), besides windows opening in the wrong monitor (even when the main is set correctly), but now what I am trying to fix is the wallpaper problem, here's an image to explain it easier: http://i.imgur.com/msLRR.jpg It also happens with gradients. The secondary monitor is physically aligned like in the image, lower than the other, the wallpaper on the main screen seems to keep the size of the lower resolution, and then it start at the correct resolution the last part at right. Any way to fix this? I am using Ubuntu 12.04 with Gnome-Shell 3.4.1, the vga is a Radeon HD 6950 UPDATE I went to gnome-tweak-tool and disabled "Have file manager handle the desktop", now it looks ok on both monitors, but I can't have icons on my desktop, so I am still interested in solving it. UPDATE2 Disabling "Have file manager handle the desktop", in gnome-tweak-tool and then re-enabling it seems to work, but has to be done every time you turn on the PC.

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• Geographic location settings

  - by JochemTheSchoolKid

  I am building an website. It has an .nl domain. Now only my domain is showing up on google.nl I hope I can change this somehow that it could be findable in all google's (like google.com / co.uk) and so on. If I look on google forums. They say go to webmaster tools and change your geographic position over there. But I have added this site and I am not able to change it there because there is no select box. I dont have any idea were to search (yes I searched on google offcourse) or where to ask for this special problem. So maybe here can someone redirect me or explain me what is possible and what not. The question is can I make an .nl domain findable in (almost) all google search sites? And so on how can I do that. Picture of my google webmaster tools (nl): http://i.stack.imgur.com/ZuP4L.png

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• wordpress get content main menu

  - by eca_arpit

  I added a menu page named "Home" on wp-admin. It was added successfully. when i click this home menu then it display nothing.Now i want to display content of a page suppose Page_id=15 on right side(which is empty after clicking home). 15 number page has php codes and uses a template also...is it possible to display contents..i wrote following code...if any confusion i can explain more..plz help me out.. i wrote this in a plugin. add_action('admin_menu', 'Home'); function Home() { add_menu_page('My Plugin Options', 'Home', 'manage_options', 'my-unique-identifier', 'content'); } function content() { if (!current_user_can('manage_options')) { wp_die( __('You do not have sufficient permissions to access this page.') ); } $page_id = 15; $header_content = get_page( $page_id ); echo apply_filters('the_content', $header_content-post_content); }

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• How can I fix indicator's behaviour?

  - by iSmite

  I recently switched to Ubuntu 11.10 from Windows. The panel has been acting really weird lately. What happens is when I click on sound icon to change volume, the menu for Bluetooth connectivity pops up. When I try to hover over the popped up menu, the latter disappears the moment I move my mouse. It is just not one icon that has been troubling me. When I click on network icon in the panel, it pops-up the menu for Chat and then the popped-up Chat menu just disappears as soon as there is a movement of the mouse. I hope I was able to explain my situation. I am sure you must be aware of this issue. Please advise. Thanks.

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• What things to take into consideration when refactoring code?

  - by JustaPro

  Code refactoring is a "disciplined technique for restructuring an existing body of code, altering its internal structure without changing its external behavior" Could anyone explain this definition? I find it kind of blurry. Which is the best technique to do it? Are these the only ones? Which are the obstacles one would meet when refactoring code? What to take into consideration when switching between IDEs? Do tools which help refactoring exist? If yes, which one would you recommend using? Any references to links where I can find out more on this subject or to books that have been written are welcomed. The questions above are for any programming language, but specific examples are appreciated. Anything that would clarify this for me is.

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• Where should I put a method that returns a list of active entries of a table?

  - by darga33

  I have a class named GuestbookEntry that maps to the properties that are in the database table named "guestbook". Very simple! Originally, I had a static method named getActiveEntries() that retrieved an array of all GuestbookEntry objects. Each row in the guestbook table was an object that was added to that array. Then while learning how to properly design PHP classes, I learned some things: Static methods are not desirable. Separation of Concerns Single Responsibility Principle If the GuestbookEntry class should only be responsible for managing single guestbook entries then where should this getActiveEntries() method most properly go? Update: I am looking for an answer that complies with the SOLID acronym principles and allows for test-ability. That's why I want to stay away from static calls/standard functions. DAO, repository, ...? Please explain as though your explanation will be part of "Where to Locate FOR DUMMIES"... :-)

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• Servlet 3.1 Early Draft Now Available

  - by arungupta

  JSR 340 has released an Early Draft of the Servlet 3.1 specification. Other than the usual clarifications and javadoc updates, ProtocolHandler and WebConnection are new classes that encapsulates the protocol upgrade processing. This will typically be used for upgrading an HTTP connection to a WebSocket. Section 2.3.3.5 in the specification provide more details on it. Section 3.7 explain non-blocking request processing by the Web container. ReadListener and WriteListener are new interfaces that represents a call-back mechanism to read and write data without blocking. As with other Java EE 7 specifications, progress can be tracked at servlet-spec.java.net. The Expert Group discussions are archived and you can participate by sending an email to [email protected].

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• What is a normalized Vector?

  - by draiden

  Can someone explain the following code? I need to learn what each part means so I can turn it into enemy movement in a space shoot-em-up Vec2d playerPos; Vec2d direction; // always normalized float velocity; I get the above is naming two 2d Vector objects, and creating a variable called velocity. I'm not sure what the normalized comment is about, though. update() { direction = normalize(playerPos - enemyPos); playerPos = playerPos + direction * velocity; }

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• How to handle an arrogant coworker [closed]

  - by Guy

  In my workplace I have a coworker who have been working in the company for 3 years (1 more than me) doing stuff surrounding to software development but not software development. We need to run a new project in C and we have a lot of professional disagreements that in my opinion are caused by too much pride to his skill. For example he strives to insert code unnecessary code generation using C macros as possible instead of writing the same C code with the correct separations to functions. I tried to explain to him why inline function are a better replacement for C macros but he said to me that he knows better than gcc how to inline a function. How can I handle such a person?

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• What's the best way to sell ReSharper to management? [closed]

  - by Jackson Pope

  Possible Duplicate: How do you convince your boss to buy useful tools like Resharper, LinqPad? I've recently started a new job developing code in C# and ASP.Net. At a previous employer I've used ReSharper from JetBrains and I loved it. I've downloaded the free trial in my new job, as have several of my new colleagues on my recommendation. Everyone thinks it's great. But now our trials are coming to an end and it's time to buy or say goodbye. I've been reliably informed that getting money for tools from senior management is like trying to get blood from a stone, so how can I convince them to loosen their grip on the purse strings and buy it for our team (of seven developers)? Does anyone have any experience of convincing management of the benefits of refactoring tools? I feel the benefit every second I use it, but I'm having difficulty thinking of how to explain the concrete benefits to a manager who only think

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• In what stage of development should comments be written?

  - by CurtisHx

  I'm a student working an internship at a larger company, writing small business apps in C#. I've noticed that I don't comment my code as I write it. Rather, I comment my code when I'm in the debugging stage of development. As I'm tracking down bugs, I'll run across a block that makes me think "hmm...that might confuse someone in the future. I'd better comment that", and I'll add the appropriate comments. All of my comments are done this way. Is this an appropriate way of commenting? Should comments be written as the code is written? Or does it really matter when the comments are written, as long as they adequately explain why this block is used?

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• What is the standard way of delivering HTML5 games to portals and such?

  - by Bane

  Let me explain what I mean by "standard way of delivering"... Think about Flash games sites. Flash games can be delivered as a single file, either hosted by the site, or, I guess, provided by someone else. HTML5 games, on the other hand, don't have something so standard. Usually, they have their own page, and portals just link to that page. I think that it greatly hinders the purpose of that portal, because, well, you want people to stay on your site and look for other games. Now, I think that a some kind of iframe way of delivering games would help solve this problem greatly. I saw some games doing that, and they were often included on tutorial sites to show a live example, which is obviously a great thing. So, is there a standard at all? Any suggestions? Can you create a game that just preloads itself in an iframe (I heard something about a "single document" or something)?

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• Client Side Prediction

  - by user13842

  I have a question regarding Client Side prediction. Ive tried to search topics about my specific problem but couldn't find anything which really answered my problem. Most tutorials and explanations assume that the Client sends messages like "Move my player up by 1 Position", but what if i send messages like "Set my player's velocity to x"? Since it's hard to explain with text, i made a graphic explaining my problem. The main problem is, that the player sets his own velocity, due to Client Side Prediction, earlier than the Server. So if 2 different velocities overlap, the Server would get out of sync. How can i tackle that problem? Thanks a lot. Graphic: http://img27.imageshack.us/img27/6083/clientpred.png (Ignore the 5.5cm)

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• Is it normal to sometimes take a while to get even basic things working in software development?

  - by user1092719

  This is a little hard to explain because it's a really generic question, but bear with me... I find that when I am doing or recreating basic things from scratch (i.e. without the help of libraries), sometimes it feels as though I'm taking much more time to do the task than is actually needed. I am not new to programming or development & design concepts and have worked extensively with around 9 languages and various platforms and paradigms over 5/6 years. Although I don't yet have any academic qualification for programming and have learned almost exclusively from the Internet, I have been told that the quality of my code is excellent by those with qualifications. So, I don't think I'm a bad programmer because I really love doing it and working with software architecture, but maybe I'm slow? Or is it normal to take sometimes longer than it seems necessary to do basic tasks?

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• Google Analytics - Traffic Source - Search engine - (Not Provided)

  - by Dharmavir

  I am using Google Analytics, now here when I go to "Traffic Source Overview" under that it shows Keyword as "(Not provided)" which is almost 40% of my traffic source. Now more than 90% of search engine traffic is from Google and still out of that for more than 40% of keywords are "(Not provided)". Can anyone explain me what is going wrong here or how can I get that data? Because that comes as 1st option and is biggest keyword in the list. Will that be some crawler or secure google search?

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• FBO rendering different result between Galaxy S2 and S3

  - by BruceJones

  I'm working on a pong game and have recently set up FBO rendering so that I can apply some post-processing shaders. This proceeds as so: Bind texture A to framebuffer Draw balls Bind texture B to framebuffer Draw texture A using fade shader on fullscreen quad Bind screen to framebuffer Draw texture B using normal textured quad shader Neither texture A or B are cleared at any point, this way the balls leave trails on screen, see below for the fade shader. Fade Shader private final String fragmentShaderCode = "precision highp float;" + "uniform sampler2D u_Texture;" + "varying vec2 v_TexCoordinate;" + "vec4 color;" + "void main(void)" + "{" + " color = texture2D(u_Texture, v_TexCoordinate);" + " color.a *= 0.8;" + " gl_FragColor = color;" + "}"; This works fine with the Samsung Galaxy S3/ Note2, but cause a strange effect doesnt work on Galaxy S2 or Note1. See pictures: Galaxy S3/Note2 Galaxy S3/Note2 Galaxy S2/Note Galaxy S2/Note Can anyone explain the difference?

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• Advice on Software Development

  - by user12514

  I am currently taking Business IT Foundation Degree course which involves SDLC and its my first year. I will be going out in the industry for the second year and I would just like to know some facts before launching out. I have been asked to create a system to enable the company to manage their staff and also to create a windows based system where users can register, view their details and so on. I am required to create: Several UML use case diagrams A conceptual class Diagram Test cases and test logs These have to been done for the windows based system. My concern is that I am not sure what a windows based system is and secondly I am having difficulties creating the diagrams as I am not familiar with them. Could anyone be kind enough to explain what they are and how I go about doing them please? Thank you.

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• Encryption password

  - by George

  I am running Ubuntu 12.04 LTS I thought that everything in my Documents folder was being backed up by Ubuntu1, as everytime I put a file in my documents folder a box popped up stating backing up file. When I looked at the Left hand list of programmes on my desktop screen there was an extra Box in the list. Clicked the Box and it stated encryption Password required. It seems the latest files have not been backed up as an Encryption Password is required. Can anyone explain for me, what is this Encription Password and how do I get it.

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• Writing a basic C Shell - understanding argv[] [on hold]

  - by Flame

  I have an assignment for my class to write a basic C Shell. I have found many pages that explain parts of it and some fully implemented code. I'm not going to copy, i'm just using it right now as a way to get started. So I'm at the beginning of this project obviously. One example I am looking at parses the user's input and stores a pointer to the beginning of the argument in char *argv[3]; Am I just misunderstanding this or would this technically break if there are more than 3 arguments? (say /a.out arg1 arg2 arg3 etc). Would I wanna malloc this somehow? I know a.out is considered argv[0], and the arguments argv1 - however many there are. It's probably bad practice to have too many arguments for a program, but I still would at least want to address it as I don't know what my TA's are going to use to test my shell.

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• AMD Catalyst Beta Open Source Drivers

  - by FourZer0

  I'm a gamer with a pretty low-end computer, so I always update to the beta drivers to squeeze out every bit of performance I can get. I currently have 13.3 installed, but I want to install the 14.6 beta. I want to use the open source version, instead of downloading from AMD's website. How can I do that in the terminal? And please explain what the commands mean so I can do it on my own in the future. Thanks in advance!

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• Learning to program without a computer

  - by ribrdb

  I have a friend in prison who wants to learn to program. He's got no access to a computer so I was wondering if people could recommend books that would be a good introduction to programming without requiring a computer. Obviously he's going to need to keep learning once he gets out and has access to a computer, but how should he get started now (he's got lots of free time to read). Based on his goals I think ruby or javascript/html5 might be good paths for him to start down, but really for now it's most important to explain the ideas. Even if it's all pseudocode. These need to be physical publications, paperbacks are preferred, and consider that he's got limited shelf space so large books could be a problem.

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• Oracle Endeca User Interface Design Pattern Library Available

  - by ultan o'broin

  Yes! The Oracle Endeca User Interface Design Pattern Library is now available for all fans of great UI design solutions for search, discovery, and navigation! The patterns explain and show some great UI realizations and include consumer world examples we can relate to. Thanks to the Oracle Endeca team and Applications UX who worked closely together to bring this great user experience resource back out to customers and partners who want to build cutting edge apps, sites, and integrations. Some great insights into how these UI design patterns can bring magical information discovery and more to users, as well as what makes Endeca people tick, are available from the Usable Apps blog Oracle Endeca User Experience: From Putting the E in E-Commerce to Magical Information Discovery.

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• Instalar o Ubuntu / Install Ubuntu

  - by Joaquim Venâncio

  10:10 I installed Ubuntu alongside Windows 7, after the installation was able to upgrade to version 4.11. Now I'm trying to update to version 11.10 but I get an error message saying it is not possible to upgrade, I decided to install a partition that I created the part, but when I start the PC directly opens Windows 7 does not appear to me the option to choose which want to start the operating system. I formatted the partition where you had installed ubuntu, I've been looking for tutorials where you learn how to install ubuntu on a partition part to try to understand what my problem. I wonder if I can explain how to install ubuntu on a partition that part so that when I connect the PC to show me the option to choose which system I want to start.

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• Multithreaded game fails on SwapBuffers in render thread at exit

  - by user782220

  The render loop and windows message loop run on separate threads. The way the program exits is that after PostQuitMessage is called in WM_DESTROY the message loop thread signals the render loop thread to exit. As far as I can tell before the render loop thread can even process the signal it tries SwapBuffers and that fails. My question, is there something about how Windows processes WM_DESTROY and WM_QUIT, in maybe DefWindowProc that causes various objects associated with rendering to go away even though I haven't explicitly deleted anything? And that would explain why the rendering thread is making bad calls at exit?

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• Changing a Sprite When Hit in GameMaker

  - by Pixels_

  I am making a simple little Galaga style game. I want the objects sprite to change whenever it is hit. For example if a laser hits an alien then the sprite takes 1 out of 4 damage to its health points (HP). However I want the sprite to change from green to yellow after 1 hit, yellow to orange after 2 hits, orange to red after 3 hits, and red to pixel explosion after all 4 HPs are lost. That way you can easily distinguish the amount of health each alien has left. How can I do this? Preferably explain it in code.

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