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Search found 23 results on 1 pages for 'ajm'.

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  • Keeping game model and graphics/animation separate but in sync

    - by AJM
    Suppose I'm building a chess game where I want to have animations. Pieces glide to their new squares when moved. Pieces perform attack animations when capturing other pieces. I'm not sure how to effectively separate the data and logic needed for these animations and the actual game model (in the MVC sense). The pieces themselves should ideally not have to worry about their pixel coordinates or current animation frame. At the same time, many changes to the model are effectively driven by animations. A moved piece changes its position after (before?) its sprite is done gliding. A piece is removed from the board after the capturing piece is finished its attack animation. How would you suggest I manage the game model, the graphics and animations, and their relationships? For example, where would the animations "live"? How would animations be created and managed in response to player moves? How would animations drive updates to the game model, or how would the game model drive animations?

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  • Mobile Broadband Strategy in USA [closed]

    - by AJM
    I'm looking to set up mobile broadband so I have an internet connection that will work wherever I travel in the US. I'm looking for recommendations on suppliers but also advice on whether its unrealsitic to think that we I could upload data to a cloud based backup server (like Amazon etc) over this link.

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  • WCF Cant find server certificate using FindBYSubjectName

    - by AJM
    I have a certificate installed in my test environment. The subject of this is delimited by commas e.g. S80, My Company Name, Country The code below worked when the subject name was just S80 but now there are more details in the subject it no longer works. <serviceCredentials> <serviceCertificate findValue="S80, My Company Name, Country" storeLocation="LocalMachine" storeName="My" x509FindType="FindBySubjectName"/> </serviceCredentials> I get an error Cannot find the X.509 certificate using the following search criteria: StoreName 'My', StoreLocation 'LocalMachine', FindType 'FindBySubjectName', FindValue 'S80, My Company Name, Country'. If I just use S80 as the subject I get an error Keyset does not exist Any idea?

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  • Distributed Transactions in SQL Server 2005

    - by AJM
    As part of a transaction I’m modifying rows in tables via a server link, so have to specify “SET XACT_ABORT ON” in my sproc otherwise it won’t execute. Now I’m noticing that SCOPE_IDENTITY() is returning NULL, which is presumably something to do with the distributed transaction scope? Does anyone know why and how to resolve?

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  • IE z-index relative/absolute bug in list

    - by AJM
    I have the following navigation where .topNav has position:relative and subnav has position:absolute. I cant get the sublist to appear over the main list due to z-index problems. This seems to be a known problem. <ul> <li class="topNav">About Us <ul class="subNav"><li> Subsection A</li><li>Subsection B</li></ul> </li> </ul> Does anyone know of a workaround? UPDATE http://brh.numbera.com/experiments/ie7_tests/zindex.html shows exacly the problem I have. My original posting was in the context of a list but I have reduced the problem to the fact that z-index dosn't seem to work when have an element with position:absolute inside a parent element with position:relative

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  • Passing Boost uBLAS matrices to OpenGL shader

    - by AJM
    I'm writing an OpenGL program where I compute my own matrices and pass them to shaders. I want to use Boost's uBLAS library for the matrices, but I have little idea how to get a uBLAS matrix into OpenGL's shader uniform functions. matrix<GLfloat, column_major> projection(4, 4); // Fill matrix ... GLuint projectionU = glGetUniformLocation(shaderProgram, "projection"); glUniformMatrix4fv(projectionU, 1, 0, (GLfloat *)... Um ...); Trying to cast the matrix to a GLfloat pointer causes an invalid cast error on compile.

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  • Library for polygon operations

    - by AJM
    I've recently encountered a need for a library or set of libraries to handle operations on 2D polygons. I need to be able to perform boolean/clipping operations (difference and union) and triangulation. So far the libraries I've found are poly2tri, CGAL, and GPC. Poly2tri looks good for triangulation but I'm still left with boolean operations, and I'm unsure about its maturity. CGAL and GPC are only free if my own project is free. My particular project isn't commercial, so I'm hesitant to pay or request for any licenses. But I may want to use my code for a future commercial project, so I'm hesitant about CGAL's open source licenses and GPC's freeware-only restriction. There doesn't seem to be any polygon clipping libraries with nice BSD-style licenses.

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  • Using Entity Framework as Data Access Layer

    - by AJM
    In my ASP.NET application I want to implement by data acess layer using the Entity framweok so I can use it as an ORM tool. But I dont want the rest of the application to care that I'm using this or be polluted by anything entity frameowrk specific. I cant seem to find anyone who is using the entity framework exclusively in their Data access layer so I'm keen to see any online examples of this/ experience people have.

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  • Strange Values in SYS.DM_TRAN_LOCKS table RESOURCE_ASSOCIATED_ENTITY_ID column

    - by AJM
    I’ve been trying to understand some strange values in the RESOURCE_ASSOCIATED_ENTITY_ID column of SYS.DM_TRAN_LOCKS when RESOURCE_TYPE is “OBJECT”. Although these should be object Ids, I cannot determine what object they actually refer to. I’ve tried everything I can think of, including querying all system tables with columns of type INT and BIGINT to see if I can find the value. No luck. The funny values actually appear in SYS.DM_TRAN_LOCKS, SYS.SYSLOCKINFO and SP_LOCK.

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  • Analysis Services with excel as front end - is it possible to get the nicer UI that powerpivot provi

    - by AJM
    I have been looking into PowerPivot and concluded that for "self service BI" and ahoc buidling of cubes it has its uses. In particular I like the enhanced UI that you get from using PowerPivot rather than just using a PivotTable hooked up to an analysis services datasource. However it seems that hooking up PowerPivot to an existing analysis services cube is not a solution for "organisational BI". It is not always desireable to suck millions of rows into excel at once and the interface between PowerPivot and analysis services is very poor in my book. Hence the question is can an existing analysis services solution get the enhanced ui features that power pivot brings, withoout using powerpivot as the design tool? If powerpivot is aimed ad self service/personal BI then it seems bizare that the UI for this is better than for bigger/more costly analysis services solutions.

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  • Can Haskell's monads be thought of as using and returning a hidden state parameter?

    - by AJM
    I don't understand the exact algebra and theory behind Haskell's monads. However, when I think about functional programming in general I get the impression that state would be modelled by taking an initial state and generating a copy of it to represent the next state. This is like when one list is appended to another; neither list gets modified, but a third list is created and returned. Is it therefore valid to think of monadic operations as implicitly taking an initial state object as a parameter and implicitly returning a final state object? These state objects would be hidden so that the programmer doesn't have to worry about them and to control how they gets accessed. So, the programmer would not try to copy the object representing the IO stream as it was ten minutes ago. In other words, if we have this code: main = do putStrLn "Enter your name:" name <- getLine putStrLn ( "Hello " ++ name ) ...is it OK to think of the IO monad and the "do" syntax as representing this style of code? putStrLn :: IOState -> String -> IOState getLine :: IOState -> (IOState, String) main :: IOState -> IOState -- main returns an IOState we can call "state3" main state0 = putStrLn state2 ("Hello " ++ name) where (state2, name) = getLine state1 state1 = putStrLn state0 "Enter your name:"

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  • Session Fixation in ASP.NET

    - by AJM
    I'm wondering how to prevent Session fixation in ASP.NET My approach would to this would normally be to generate and issue a new session id whenever someone logs in. But is this level of control possible in ASP.NET land?

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  • How to align floated elements such that their bottoms match

    - by AJM
    I'm writing a web page where I show a title and a date over some text. My HTML: <div class="post"> <h2>Post 1</h2> <span class="date">February 28, 2011</span> <div class="post-content"> ... </div> </div> My css: .post h2 { float: left; } .date { float: right; } .post-content { clear: both; } What I want to do is vertically align the title and date such that their bottoms match. Right now they don't: I tried wrapping the two text elements in a div, setting the div's position to relative, and using absolute positioning on the two text elements (and taking out the float declarations). That didn't work because the top margin is not preserved due to the wrapper div collapsing, even though I gave it a clearfix class.

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