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  • Matrix camera, movement concept

    - by NoFace
    I was talking to some guy. He said that my movement concept in game is bad. When left or right arrow is pressed I'm scrolling background what makes you feel that player is moving (player's X remains same). So... he told me something about matrix view. I should create all walls and platforms static and scroll only the camera and move player's rectangle. I did a little research in Google, but nothing found. Can you tell me anything about it? How to start? Maybe links, books and resources? My programming language is Java (2d). Thank you!

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  • Two different domain for specific languages pointing to one site

    - by user25599
    I developing a client's blog and he needs it to be bilingual (english and spanish). Now what he wants is that users can get to the content based on the domain e.g. Jhon enters www.domain.com and he gets the english version and Juan enters www.elsenordominio.com to get the spanish version. All content will be validated by php so the users and search engines only reads the domain related language. What do i need to use header re-direct or 301? is it bad for seo? will google will google penalize me? I hope you guys can help me and forgive me if my english is not good.

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  • Developing a cloud based app

    - by user134897
    I am a company owner that has developed a cloud based app. My code writer has told me how good he is more than once, well, better stated, he did a good job telling me he was better than everyone else in my rather small community. In the last 18 months I have spent nearly 160,000.00 dollars trying to get this company to the "making money" stage. I am now nearly broke, sitting on the edge of a brilliant marketing plan to launch a much needed cloud based app. We did launch our app last year (late 2013), and the feedback was amazing from the users. One user that signed up to use the free app stated that we needed to call him the moment our company goes public because he wants to be the first to buy stock. Now, here's my problem. We did not originally set out to develop a freemium app, we just sort of ended up there by the natural progression of the app. So, now I have an app that really needs to be scrapped and re-built. Although I do feel my code writer has displayed some brilliance in what he has done, he was extremely weak on graphics and every time we speak he tells me there is a newer better way to code that he is trying to learn. So, here's the million dollar question. Ho do I find code writers that already know the newest, best ways to write code? Or maybe better asked, what is the newest best code writing technique? Second, is it even possible to find code writers that are good at graphics? In short, I am nearly broke and need to start over, but I do not know where to find people qualified to write it good the first time around and display good graphic skills. I am trying to build a team of writers instead of just one person. Maybe 3 good at code and two good at graphics, but I am clueless as to what criteria I should use to determine if I am building the right team members. Please help, I am sure you can tell I am fairly lost by my continued rambling.

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  • Returning status code where one of many errors could have occured

    - by yttriuszzerbus
    I'm developing a PHP login component which includes functions to manipulate the User object, such as $User->changePassword(string $old, string $new) What I need some advice with is how to return a status, as the function can either succeed (no further information needs to be given) or fail (and the calling code needs to know why, for example incorrect password, database problem etc.) I've come up with the following ideas: Unix-style: return 0 on success, another code on failure. This doesn't seem particularly common in PHP and the language's type-coercion messes with this (a function returning FALSE on success?) This seems to be the best I can think of. Throw an exception on error. PHP's exception support is limited, and this will make life harder for anybody trying to use the functions. Return an array, containing a boolean for "success" or not, and a string or an int for "failure status" if applicable. None of these seem particularly appealing, does anyone have any advice or better ideas?

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  • Falsey values vs null, undefned, or empty string

    - by user687554
    I've worked with jQuery over the years. However, recently, I've found myself getting deeper into the JavaScript language. Recently, I've heard about "truthy" and falsey values. However, I don't fully understand them. Currently, I have some code that looks like this: var fields = options.fields || ['id', 'query']; I need to identify if fields is null, undefined, or has a length of 0. I know the long way is to do: if ((fields === null) || (fields === undefined) || (fields.length === 0)) { ... } My question is, is the following the same: if (!fields) { ... } Thank you!

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  • Running the Ubuntu Kernel and OS on custom processor

    - by xupv5
    This is hardly a theoretical question as many have done this, albeit there's very little information on the underlying processes. I'm developing a custom MIPS-based processor on which I would like to run ubuntu. I'm quite baffled as to what to do next after you've designed the instruction set and the computer architecture itself. I need to be able to run a kernel and OS but how does it all tie in? At the moment I'm researching into designing a compiler for the linux kernel to generate the appropriate assembly language. Is that a good way to go? What do I need to do after that?

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  • How to choose a good namespace name? [Linguistically]

    - by Kees C. Bakker
    English in not my native language, therefore it is a little more difficult to pick a good name for a namespace. One example to make you see my problem a bit better: We have a set of classes that have to do with the way a company is organized (we can create organizational charts with it). Currently the namespace is CFW.CoreSystem.Organizational. Is this a good name? What is linguistically the best way to name a namespace? (CFW.CoreSystem.Configuration is better than CFW.CoreSystem.Configurables). [Moved it from StackOverflow]

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  • Remmina password problem with windows server 2008 R2

    - by Hcbayram
    I use Ubuntu 12.04. I am already using Remmina both with RDP and VNC connections for several servers. For one of my servers I have a problem to login after login window opens. The server is Windows 2008 R2. The screen for entering user and password comes but does not accept the password. I guess the problem is with language but password does not contain any problematic letter except a $ sign. When connecting from Windows 7 there is no problem.

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  • Can my computer run Ubuntu? [duplicate]

    - by Harry B
    This question already has an answer here: How do I find out which version and derivative of Ubuntu is right for my hardware in terms of minimal system requirements? 2 answers Just want to check if my computer can run Ubuntu. It is an old IBM ThinkPad, so here are the basic stats I could find: IBM 28832ZU Processor Intel(R) Celeron(R) M processor 1300MHz Processor Speed 1.27 GHz Memory (RAM) 2048 MB Operating System Microsoft Windows XP Professional Operating System Version 5.1.2600 Intel Extreme Graphics 2M And here is some info pulled from the graphics panel NTEL(R) EXTREME GRAPHICS 2 FOR MOBILE REPORT Report Date: 06/28/2013 Report Time[hr:mm:ss]: 17:53:20 Driver Version: 6.14.10.3943 Operating System: Windows NT* 5.1.2600 Service Pack 2 Default Language: English DirectX* Version: 9.0 Physical Memory: 2038 MB Min. Graphics Memory: 8 MB Max. Graphics Memory: 64 MB Graphics Memory in use: 7 MB Processor: x86 family 6 Model 9 Stepping 5 Processor Speed: 1296 MHZ Device Revision: 2 Output Devices Connected to Graphics Accelerator * Active Notebook Displays:1

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  • New IDE Features in Visual Studio 2010 for C# Developers

    After a quick review of C# language features, lets do the same for the IDE improvements. So, whats in there for C# developers? Generate From Usage This feature greatly improves Visual Studio support for test-driven development (TDD). However, it is useful even if you dont use TDD at all. It might increase your productivity by simply reducing the number of keystrokes and eliminating repetitive typing. For example, now I can write code like this: class Program{    static void...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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  • Is this a typo in the Artistic License 2.0?

    - by IQAndreas
    I'm not sure if this would fit better in StackExchange/English, but regardless, there is no practical use to the answer, other than to cure my curiosity. Note this sentence at the end of the Artistic License 2.0: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. It does not affect any legal aspects of the license, but is there a reason they mixed the use of single and double quotes on AS IS? The license is so new that this wouldn't have been for "command prompt friendly" reasons. Is there special use or meaning behind this in the English language, or was it a typo?

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  • Development Approach: User Interface In or Domain Model Out?

    - by Berin Loritsch
    While I've never delivered anything using Smalltalk, my brief time playing with it has definitely left its mark. The only way to describe the experience is MVC the way it was meant to be. Essentially, all the heavy lifting for your application is done in the business objects (or domain model if you are so inclined). The standard controls are bound to the business objects in some way. For example, a text box is mapped to an object's field (the field itself is an object so it's easy to do). A button would mapped to a method. This is all done with a very simple and natural API. We don't have to think about binding objects, etc. It just works. Yet, in many newer languages and APIs you are forced to think from the outside in. First with C++ and MFC, and now with C# and WPF, Microsoft has gotten it's developer world hooked on GUI builders where you build your application by implementing event handlers. Java Swing development isn't so different, only you are writing the code to instantiate the controls on the form yourself. For some projects, there may never even be a domain model--just event handlers. I've been in and around this model for most of my carreer. Each way forces you to think differently. With the Smalltalk approach, your domain is smart while your GUI is dumb. With the default VisualStudio approach, your GUI is smart while your domain model (if it exists) is rather anemic. Many developers that I work with see value in the Smalltalk approach, and try to shoehorn that approach into the VisualStudio environment. WPF has some dynamic binding features that makes it possible; but there are limitations. Inevitably some code that belongs in the domain model ends up in the GUI classes. So, which way do you design/develop your code? Why? GUI first. User interaction is paramount. Domain first. I need to make sure the system is correct before we put a UI on it. There's pros and cons for either approach. Domain model fits in there with crystal cathedrals and pie in the sky. GUI fits in there with quick and dirty (sometimes really dirty). And for an added bonus: How do you make sure the code is maintainable?

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  • Increasing SEO and Google adsense earnings [closed]

    - by swat_mag
    Possible Duplicate: How can I increase the traffic to my site? I have a website ( http://www.special-ops.org ) it is quite old but new site... Old in that that i written it in another language and on other domain, now i registered new domain and have plan to translate everything to english... I stuck on first step... How to improve my SEO and get traffic? I think i'm doing good on site seo, but my content are one of millions... How to improve it? Examples of my articles: http://www.special-ops.org/navy-seals-most-elite-unit-in-united-states-forces/

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  • Any Programming Languages Recommendations? A Space shooter game that allows two people to play at the same time?

    - by Bombcode
    Hey Everyone, Do you remember a arcade game, that allow two people to versus or play each other? A Galaga/Gradius type game. Me and a couple of other people I know wanna make a game like this. We want to get some other opinions on what programming languages to use.(C or C++ isn't an option .). We plan to use an engine to help us build. It's gonna be a multiplayer game, so we would be handling the networking with this language as well. We are thinking about C#, Java, or Actionscript 3. Any Advice on this? And if anyone knows the arcade game I am referring to please post up :)! Edit Let me add something here, this game will be plain on computers and laptops only. We mainly wanna what's good for handling the networking and Dual screen play.

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  • SQL and Database: Where to start! [closed]

    - by Nizar
    First of all I just know HTML and CSS (this is my background in web development and design) and I have found that before I move to a server-side language I need to learn about databases and SQL. My first question: Do you think this order of learning is good (I mean to learn SQL after HTML and CSS)? My secod related question: Do I have to learn a lot about SQL and databases? or just the basics? and if you know any good beginners books please write their titles.

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  • Java - learning with a simple project

    - by phodu_insaan
    I remember when I learnt PHP, it was suggested that I code a simple blog or a forum after reading the language fundamentals and syntax. I was told/read that this would cover everything that I would learn about PHP in a beginners book. This advice was out there in a number of places, and after following and working with PHP it seems quite good advice. I am now learning Java, and reading the book Thinking in Java by Bruce Eckel. I wonder if there is any such set of similar, small projects that I could take up, that would cover all the essentials and most of what is covered in the book. Thanks.

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  • Yet another suspend/wake up problem [closed]

    - by user30591
    Hello dear friends and earthlings, I have some serious issue with waking up... It all worked 3 days ago and after an update it.. just stopped... i had no problems with it but now i just cant resume from the suspended mode... the screen wont turn on and nothing will happen... which is (sorry for using strong language) so i need help! i have not the slightest idea what could be the reason. Thx a lot!

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  • Should Equality be commutative within a Class Hierachy?

    - by vossad01
    It is easy to define the Equals operation in ways that are not commutative. When providing equality against other types, there are obviously situations (in most languages) were equality not being commutative is unavoidable. However, within one's own inheritance hierarchy where the root base class defines an equality member, a programmer has more control. Thus you can create situations where (A = B) ? (B = A), where A and B both derive from base class T Substituting the = with the appropriate variation for a given language. (.Equals(_), ==, etc.) That seems wrong to me, however, I recognize I may be biased by background in Mathematics. I have not been in programming long enough to know what is standard/accepted/preferred practice when programming. Do most programmers just accept .Equals(_)may not be commutative and code defensibly. Do they expect commutativity and get annoyed if it is not. In short, when working in a class hierarchy, should effort me made to ensure Equality is commutative?

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  • Programming Carreer. What should i choose? [closed]

    - by thenewbie
    I have an experience in programming. Im not that experience but i have created some desktop application like payroll etc. In web i had created some websites. Now im studying java for android. I already created an application on android and submitted it on google play.However, i feel like the excitement in creating application for android or web is gone. What i think i like is to program in c++ language. but i have a doubt mastering it. Because nowadays only a handful of company hire a c++ junior programmer. I think only in gaming industry that they would hire a c++ programmer and has an 3 or more years of xp. While in java there are lots of oppurtuniy especialy for android. and I dont have a plan studying objective c cause i dont have mac. SO what should i realy choose? thank you..

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  • Does anyone write games in Delphi?

    - by MDV2000
    I am a very seasoned Delphi developer (over 12 years of experience not counting my Turbo Pascal experience) and was wondering does anyone write games in Delphi? I have seen DirectX API wrappers in Delphi that allow you to program against DirectX (even wrote a simple solitaire game with a friend), but haven't seen anything out there that shows me that I should keep up with Delphi. I just hate to walk away from so much knowledge and Object Pascal language, but I am not seeing much as to a reason to keep going with Delphi. I currently program in C# and thinking about XNA, but it seems to me that the dominating opinion is go C/C++ route with DirectX. Any other Delphi developers out there struggle with this too? Thanks, MDV

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  • How can one combat boredom?

    - by sten29
    I'm not sure if it is a right place to ask about it but I think it is worth to try. I am PHP programer with near 5 years professional experience. I passed Zend certificates (PHP4, PHP5, ZF), I know almost everything what I should know. And the problem is, that I am bored. I think that I should change technology. It will give me a boost. It will give me satisfaction from work again. But I'm not sure what to choose. Java, .Net, C++ or maybe something other? I am really open to any technology. Have you ever had similar problem? What do you think about it? Maybe I should try few months holiday instead changing language?

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  • What are the things to know before to start Game Development Using C++?

    - by adietan63
    I just want to ask the question above ^. I want to learn C++ language. Someday i want to develop Game Application in c++ and I think it is so difficult for me to achieve that but im willing to learn and achieve that goals for may personal satisfaction and also for my CV as well. Can you give me a guidelines on how to achieve that goals? What are the languages that i need to learn together with c++? please help me.. Thank you!

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  • Is Java a good choice for small to medium size websites? [closed]

    - by mephisto
    Why do I ask? I want to use one language not two. Yes I know with Java and .NET I can program anything, but, as a website it should have a good design, I don't want to build ugly sites. Which is why for smaller sites I use PHP, I can get the e-comm I want and also a nice UI pretty easily, unlike in ASP.NET. But would I run into this design rstriction with Java (I've never used it). Plus, Java would also give me exposure to Android development. So..then I could ditch PHP? I guess I am looking for the 'one ring to rule them all', and not 2 or 3 (languages). Thanks in advance,

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  • Great F# getting started online book

    - by MarkPearl
    So I have been battling around with F# for a few weeks and it has been frustrating just getting my brain around the syntax etc. Then someone put a comment on my blog that I should check out the following online book called the F# Survival Guide. I highly recommend those wanting to get into the basics of the language to go through this resource. It is easy to understand, especially for someone coming from a C# background. Give it a read… it gets a two thumbs up from me!

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  • How many LOC/day "top" (google, MS, FB) engeneers produce? [closed]

    - by NoSenseEtAl
    I know that 25 lines of lock free code is harder to do than 1000 lines of On_Click()... code but I wonder does anybody know in general what is the productivity of the average programmer in top tech companies. Motivation: I often go ??? mode when I see how low LoC/ day i produce(Im new to the my current language and Im part of the big project, but still..) and I would like to know how bad I am. :) If you are gonna warn me that LoC is a terrible measure I agree, but it is most exact one in a sense that I cant go and write 0.01% of Chrome or IE and say it took me this long so....

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