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  • Trying to 'Make' CUDA SDK, ld cannot find library, ldconfig says it can.

    - by Andrew Bolster
    I know there are many other questions similar to this one, but none of the solutions posited there are working for me Basically, making the SDK sample files, i get /usr/bin/ld: cannot find -lcuda which would be an easy enough 'find the library and throw it to ldconfig', except ldconfig already says it has it... $ sudo ldconfig -v | grep cuda /usr/local/cuda/lib64: libcudartemu.so.3 -> libcudartemu.so.3.0.14 libcudart.so.3 -> libcudart.so.3.0.14 /usr/local/cuda/lib: libcudartemu.so.3 -> libcudartemu.so.3.0.14 libcudart.so.3 -> libcudart.so.3.0.14 libcuda.so.1 -> libcuda.so.195.36.15 libcuda.so.1 -> libcuda.so.195.36.15 libicudata.so.42 -> libicudata.so.42.1 And I checked, there is a symlink libcuda.so -> libcuda.so.1 but I'm still confused as to why libcuda.so -> ... doesnt show up I must be missing something really obvious. Any ideas?

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  • gtk2 auto translation is choosing the wrong language

    - by Andrew Heath
    Not sure if yall can help this time, as I'm just using this particular program not coding with it... I downloaded Deluge, a free torrent app, and it requires GTK2 Runtime which I've also installed. Unfortunately, on my English WinXP with East Asian Language support Deluge sets itself to Chinese menus and has no option to alter the language. A bit of poking around on the internet suggests this is due to GTK2 selecting the wrong default language. Does anyone know how I can override this?

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  • jquery ajax type GET question

    - by Andrew Jackson
    Hi all! I hava a simple question. I have a server running which take actions according to parameters in the url. Example: if I type in browser: http://localhost:8081/Edit?action=renameModule&newName=Module2 This works correctly. I would like to know the equivalent jquery ajax method to perform the same thing I have tried $.ajax({ url: 'http://localhost:8081/Edit', type: 'GET', data:'action=renameModule&newName=Module2 }); It is not working. I would be very grateful for any help. Thanks

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  • Dependency Injection for objects that require parameters

    - by Andrew
    All of our reports are created from object graphs that are translated from our domain objects. To enable this, we have a Translator class for each report, and have been using Dependency Injection for passing in dependencies. This worked great, and would yield nice classes structured like this: public class CheckTranslator : ICheckTranslator { public CheckTranslator (IEmployeeService empSvc , IPaycheckService paySvc) { _empSvc = empSvc; _paySvc = paySvc; } public Check CreateCheck() { //do the translation... } } However, in some cases the mapping has many different grouping options. As a result, the c-tor would turn into a mix of class dependencies and parameters. public class CheckTranslator : ICheckTranslator { public CheckTranslator (IEmployeeService empSvc , IPaycheckService paySvc , bool doTranslateStubData , bool doAttachLogo) { _empSvc = empSvc; _paySvc = paySvc; _doTranslateStubData = doTranslateStubData; _doAttachLogo = doAttachLogo; } public Check CreateCheck() { //do the translation... } } Now, we can still test it, but it no longer really works with an IoC container, at least in a clean fashion. Plus, we can no longer call the CreateCheck twice if the settings are different for each check. While I recognize it's a problem, I don't necessarily see the right solution. It seems kind of strange to create a Factory for each class ... or is this the best way?

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  • Partial Evaluation of ConstantExpression in ExpressionTreeVisitor

    - by Andrew Theken
    Hi all, I am not an Expression Tree master by any stretch of the imagination, what I have is code that looks like this: int external = 10; using(var session = new Session()) { session.Add(new Product { Name = "test1", Price = 20 }); session.Add(new Product {Name = "test", Price = 10}); var product = session.Products.Where(p => p.Price == external).FirstOrDefault(); Assert.Equal(10, product.Price); } Session implements all the IQueryProvider, IQueryable interfaces you'd come to expect from a LINQ Provider. When I execute the query, everything goes to plan until I read the ConstantExpression for "external", at which point, I am at a loss as to how to move forward because: //constant is ConstantExpression for "external" on the right side of the "p.Price == external" expression above. var t = constant.GetType(); //evaluates to class called "<>c__DisplayClass2" - with a member named "external" that has the value 10. The question is basically.. How can I just access the value of the member "external" - is there a way to accomplish this without using reflection? or am I cooked? What am I missing?

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  • Rails: translations for table's column.

    - by Andrew
    In rails application I have two models: Food and Drink. Both food and drink have a name, which has to be stored in two languages. How do I better realize translations for theese tables? First solution I realized was to replace name column with name_en and name_ru. Another solution is to encode with YAML hash like { :en => 'eng', :ru => 'rus' } and store yaml as a name. What would you recommend, assuming content is not static? Maybe there's good article?

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  • PHP / C++ space calculations for parcel packing

    - by Andrew Willis
    I am working on a shopping cart project which requires a 'postage calculator' based on items that the person has in their cart. Obviously I will be storing the item's dimensions incl. weight and padding in a database and will also store the parcel (box) size and weight that the items will go in to, incl. box padding. Figuring the weight of the parcels will be easy but I was wondering how to go about figuring how to pack the box via PHP, that is, I would like the code to 'play tetris' with the items to make sure they get the best possible fit, giving accurate postage costs. Does anybody have any ideas on how best to achieve this or does anybody know of a PHP Class or function that can do this? EDIT: When I said 'best possible fit' maybe I was being optimistic! Having the script try every possible combination of package distribution within the parcel would be over the top, however I could improve the speed by writing the algoritm in C++ and running the program in PHP when the user 'checks out', the return value being an array with the parcel size and weight (which are all that are needed to calculate postage costs)

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  • Problem with adding and removing classes with jQuery when hovering over a list item.

    - by Andrew
    I want to add a class to a list item when I hover over it, and then remove it and add it to a different list item if a different list item is hovered over. Here's what I tried: jQuery - $(document).ready(function() { $("#results").text("Tournaments"); $("#Tournaments").addClass("box-active"); $("#box ul li").hover(function() { var show = $(this).attr('id'); $("#results").text(show); $("#box ul li").each(function() { $(this).removeClass("box-active"); }); $("#box ul li#" + show).addClass("box-active"); }); }); HTML - <div id="box"> <ul> <li id="Tournaments">Tournaments</li> <li id="Join">Join</li> <li id="Forums">Forums</li> <li id="GameBattles">GameBattles</li> <li id="Practice">Practice</li> </ul> <p>Hovering over: <span id="results"></span></p> </div> When I hover over an item, it changes the class, but if I hover over I different one it removes the class over the item I first hovered over, but doesn't add the class to the new item I'm hovering over. Not sure why, and any help would be appreciated.

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  • How to display an HTML email for preview on a webpage?

    - by Andrew
    I am trying to display a "preview" of an HTML email. I have the HTML in my database and now I need to render it in an iframe, or popup window or something. I am trying to inject the html into a div tag on the page, but it won't display anything. Here is the problem I am running into (I have nested HTML tags): <html> <body> <h1>My page</h1> <div id="email-body"> <html> <body> <p>email</p> </body> </html> </div> </body> </html>

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  • How to store a public key in a machine-level RSA key container

    - by Andrew Kimball
    I'm having a problem using a machine level RSA key container when storing only the public key of a public/private key pair. The following code creates a public/private pair and extracts the public key from that pair. The pair and the public key are stored in separate key containers. The keys are then obtained from those key containers at which point they should be the same as the keys going into the containers. The code works when CspProviderFlags.UseDefaultKeyContainer is specified for CspParameters.Flags (i.e. the key read back out from the PublicKey container is the same), but when CspProviderFlags.UseMachineKeyStore is specified for CspParameters.Flags the key read back from PublicKey is different. Why is the behaviour different, and what do I need to do differently to retrieve the public key from a machine-level RSA key container? var publicPrivateRsa = new RSACryptoServiceProvider(new CspParameters() { KeyContainerName = "PublicPrivateKey", Flags = CspProviderFlags.UseMachineKeyStore //Flags = CspProviderFlags.UseDefaultKeyContainer } ) { PersistKeyInCsp = true, }; var publicRsa = new RSACryptoServiceProvider(new CspParameters() { KeyContainerName = "PublicKey", Flags = CspProviderFlags.UseMachineKeyStore //Flags = CspProviderFlags.UseDefaultKeyContainer } ) { PersistKeyInCsp = true }; //Export the key. publicRsa.ImportParameters(publicPrivateRsa.ExportParameters(false)); Console.WriteLine(publicRsa.ToXmlString(false)); Console.WriteLine(publicPrivateRsa.ToXmlString(false)); //Dispose those two CSPs. using (publicRsa) { publicRsa.Clear(); } using (publicPrivateRsa) { publicRsa.Clear(); } publicPrivateRsa = new RSACryptoServiceProvider(new CspParameters() { KeyContainerName = "PublicPrivateKey", Flags = CspProviderFlags.UseMachineKeyStore //Flags = CspProviderFlags.UseDefaultKeyContainer } ); publicRsa = new RSACryptoServiceProvider(new CspParameters() { KeyContainerName = "PublicKey", Flags = CspProviderFlags.UseMachineKeyStore //Flags = CspProviderFlags.UseDefaultKeyContainer } ); Console.WriteLine(publicRsa.ToXmlString(false)); Console.WriteLine(publicPrivateRsa.ToXmlString(false)); using (publicRsa) { publicRsa.Clear(); } using (publicPrivateRsa) { publicRsa.Clear(); }

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  • Marshal a list of objects from VB6 to C#

    - by Andrew
    I have a development which requires the passing of objects between a VB6 application and a C# class library. The objects are defined in the C# class library and are used as parameters for methods exposed by other classes in the same library. The objects all contain simple string/numeric properties and so marshaling has been relatively painless. We now have a requirement to pass an object which contains a list of other objects. If I was coding this in VB6 I might have a class containing a collection as a member variable. In C# I might have a class with a List member variable. Is it possible to construct a C# class in such a way that the VB6 application could populate this inner list and marshal it successfully? I don't have a lot of experience here but I would guess Id have to use an array of Object types.

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  • Create a UIView Subclass that calls a delegate function whenever it's parent viewController appears?

    - by Andrew Johnson
    UIViewControllers have viewWillAppear, viewDidDisappear, etc. delegate methods. I would like to create a UIView subclass that can be added to a viewController's view, and when that UIViewController apears or disappears, a delegate function is called. I could easily do this by putting function calls in the UIViewController viewWillAppear/viewWillDisappear delegate functions, but how can I encapsulate this behavior in the UIView?

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  • How do I remove (or apply) transparency on a gdk-pixbuf?

    - by Andrew Stacey
    I have a c++ program in which a gdk-pixbuf is created. I want to output it as an image, so I call gdk_pixbuf_save_to_stream(pixbuf,stream,type,NULL,&err,NULL). This works fine when "type" is png or tiff, but with jpeg or bmp it just produces a black square. The original pixbuf consists of black-on-transparent (and gdk_pixbuf_get_has_alpha returns true) so I'm guessing that the problem is with the alpha mask. GdkPixbuf has a function to add an alpha channel, but I can't see one that removes it again, or (which might be as good) to invert it. Is there a simple way to get the jpeg and bmp formats to work properly? (I should say that I'm very new to proper programming like this.)

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  • Correct sequence of actions when using Markdown & MySQL?

    - by Andrew Heath
    I want my users to be able to write an article in Markdown, have it stored in the MySQL database (with the option to edit it in the future), and displayed for other users. In practice, this is my understanding of how it works: INPUT user input via HTML form using Markdown syntax $queryInput = mysql_real_escape_string($userInput); insert sanitized string into database OUTPUT query field from database $output = Markdown($queryResult); display $output Is that it? Does PHP Markdown preclude the need for htmlspecialchars or Pure HTML ? Thanks!

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  • Using memcpy/memset

    - by Andrew Coad
    When using memset or memcpy within an Obj-C program, will the compiler optimise the setting (memset) or copying (memcpy) of data into 32-bit writes or will it do it byte by byte?

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  • HLSL: Enforce Constant Register Limit at Compile Time

    - by Andrew Russell
    In HLSL, is there any way to limit the number of constant registers that the compiler uses? Specifically, if I have something like: float4 foobar[300]; In a vs_2_0 vertex shader, the compiler will merrily generate the effect with more than 256 constant registers. But a 2.0 vertex shader is only guaranteed to have access to 256 constant registers, so when I try to use the effect, it fails in an obscure and GPU-dependent way at runtime. I would much rather have it fail at compile time. This problem is especially annoying as the compiler itself allocates constant registers behind the scenes, on top of the ones I am asking for. I have to check the assembly to see if I'm over the limit. Ideally I'd like to do this in HLSL (I'm using the XNA content pipeline), but if there's a flag that can be passed to the compiler that would also be interesting.

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  • MultipleHiddenInput doesn't encode properly over POST?

    - by andrew
    The form looks very simple: class MyForm(forms.Form): ids = forms.MultipleChoiceField(widget=forms.MultipleHiddenInput()) def view(request): ... form = MyForm(initial={'ids': [o.id for o in queryset]}) Which gives me the HTML (which looks good enough): <form method="post" action="/foo/bar/"> <input type="hidden" name="ids" value="7720889" id="id_ids_0"> <input type="hidden" name="ids" value="7717962" id="id_ids_1"> <input type="hidden" name="ids" value="7717807" id="id_ids_2"> <input type="hidden" name="ids" value="7713584" id="id_ids_3"> <input type="hidden" name="ids" value="7712277" id="id_ids_4"> <input type="hidden" name="ids" value="7707475" id="id_ids_5"> <input type="hidden" name="ids" value="7707257" id="id_ids_6"> <input type="hidden" name="ids" value="7705271" id="id_ids_7"> <input type="hidden" name="ids" value="7704338" id="id_ids_8"> <input type="hidden" name="ids" value="7704137" id="id_ids_9"> <input type="hidden" name="ids" value="7695444" id="id_ids_10"> <input type="hidden" name="ids" value="7695242" id="id_ids_11"> <input type="hidden" name="ids" value="7690683" id="id_ids_12"> <input type="hidden" name="ids" value="7690431" id="id_ids_13"> <input type="hidden" name="ids" value="7689035" id="id_ids_14"> <input type="hidden" name="ids" value="7681230" id="id_ids_15"> <input type="hidden" name="ids" value="7679189" id="id_ids_16"> <input type="hidden" name="ids" value="7675315" id="id_ids_17"> <input type="hidden" name="ids" value="7667291" id="id_ids_18"> <input type="hidden" name="ids" value="7661162" id="id_ids_19"> <button type="submit">Test</button> </form> But, in the POST that comes in, I'm only getting one value: <QueryDict: {u'ids': [u'7661162']}> What gives? What am I doing wrong?

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  • running pdb from within pdb

    - by Andrew Farrell
    I'm debugging an script that I'm writing and the result of executing a statement from pdb does not make sense so my natural reaction is to try to trace it with pdb. To paraphrase: Yo dawg, I like python, so can you put my pdb in my pdb so I can debug while I debug?

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  • Using Fluent NHibernate with Castle Windsor and the NHibernate Facility

    - by Andrew
    Ive managed to get Fluent NHibernate 1.1 playing nicely with Castle Windsor 2.1. This involved me recompiling NHibernate.ByteCode.Castle.dll and it all works fine. Ive managed to do the same thing this time with Castle Windsor 2.5, havent tried it yet but its not complaining which is good enough for me at the moment. However Im also using the Castle NHibernate Facility and that is another story. The version of the NHibernate Facility that is compatible with Castle 2.5 requires a much later version of NHibernate. Is there an easy way to get the NHibernate Facility to work with NHibernate 2.1 and Castle Core 2.5?

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  • If I write an algorithm to encrypt a file, are their tools available to break the encryption?

    - by Andrew
    I have an idea for encryption that I could program fairly easily to encrypt some local text file. Given that my approach is novel, and does not use any of the industry standard encryption techniques, would I be able to test the strength of my encryption using 'cracker' apps or suchlike? Or do all those tools rely on advanced knowledge of the encryption process (or intercepted 'keys'), meaning I'd have to build my own cracker for testing?

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  • how do i filter my lucene search results?

    - by Andrew Bullock
    Say my requirement is "search for all users by name, who are over 18" If i were using SQL, i might write something like: Select * from [Users] Where ([firstname] like '%' + @searchTerm + '%' OR [lastname] like '%' + @searchTerm + '%') AND [age] >= 18 However, im having difficulty translating this into lucene.net. This is what i have so far: var parser = new MultiFieldQueryParser({ "firstname", "lastname"}, new StandardAnalyser()); var luceneQuery = parser.Parse(searchterm) var query = FullTextSession.CreateFullTextQuery(luceneQuery, typeof(User)); var results = query.List<User>(); How do i add in the "where age = 18" bit? I've heard about .SetFilter(), but this only accepts LuceneQueries, and not IQueries. If SetFilter is the right thing to use, how do I make the appropriate filter? If not, what do I use and how do i do it? Thanks! P.S. This is a vastly simplified version of what I'm trying to do for clarity, my WHERE clause is actually a lot more complicated than shown here. In reality i need to check if ids exist in subqueries and check a number of unindexed properties. Any solutions given need to support this. Thanks

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  • Can't return a List from a Compiled Query.

    - by Andrew
    I was speeding up my app by using compiled queries for queries which were getting hit over and over. I tried to implement it like this: Function Select(ByVal fk_id As Integer) As List(SomeEntity) Using db As New DataContext() db.ObjectTrackingEnabled = False Return CompiledSelect(db, fk_id) End Using End Function Shared CompiledSelect As Func(Of DataContext, Integer, List(Of SomeEntity)) = _ CompiledQuery.Compile(Function(db As DataContext, fk_id As Integer) _ (From u In db.SomeEntities _ Where u.SomeLinkedEntity.ID = fk_id _ Select u).ToList()) This did not work and I got this error message: Type : System.ArgumentNullException, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 Message : Value cannot be null. Parameter name: value However, when I changed my compiled query to return IQueryable instead of List like so: Function Select(ByVal fk_id As Integer) As List(SomeEntity) Using db As New DataContext() db.ObjectTrackingEnabled = False Return CompiledSelect(db, fk_id).ToList() End Using End Function Shared CompiledSelect As Func(Of DataContext, Integer, IQueryable(Of SomeEntity)) = _ CompiledQuery.Compile(Function(db As DataContext, fk_id As Integer) _ From u In db.SomeEntities _ Where u.SomeLinkedEntity.ID = fk_id _ Select u) It worked fine. Can anyone shed any light as to why this is? BTW, compiled queries rock! They sped up my app by a factor of 2.

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  • Transform data in FMPXMLRESULT grammar into a "Content Standard for Digital Geospatial Metadata (CS

    - by Andrew Igbo
    I have a problem in FileMaker; I wish to link the METADATA element/FIELD element “NAME” attribute to its corresponding data in the RESULTSET element/COL element. However, I also wish to map the METADATA element/FIELD element “NAME” to "Content Standard for Digital Geospatial Metadata (CSDGM)" metadata elements Sample XML Metadata Record with CSDGM Essential Elements Louisiana State University Coastal Studies Institute 20010907 Geomorphology and Processes of Land Loss in Coastal Louisiana, 1932 – 1990 A raster GIS file that identifies the land loss process and geomorphology associated with each 12.5 meter pixel of land loss between 1932 and 1990. Land loss processes are organized into a hierarchical classification system that includes subclasses for erosion, submergence, direct removal, and undetermined. Land loss geomorphology is organized into a hierarchical classification system that includes subclasses for both shoreline and interior loss. The objective of the study was to determine the land loss geomorphologies associated with specific processes of land loss in coastal Louisiana.

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