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• RPX API Call auth_info is returning "missing parameter" error

  - by James Lawruk

  I cannot get the RPX auth_info API call to work. It keeps returning the error: "Missing parameter: apiKey" I am using the C# RPX Helper Class provided on their Wiki:RPX Helper Class Below is my code in my Page_Load method. The RPX service works by sending a POST to a Url that I specify. My code gets the token from the post data shown below. Then I call the AuthInfo API method. string token = Request.Params["token"]; string apiKey = "xxxxxxxxxxxxxxx"; //my API key Rpx rpx = new Rpx(apiKey, "http://rpxnow.com"); XmlElement xmlElement = rpx.AuthInfo(token); Everything looks good. The token is populated. Within their code, the "apiKey" value pair is added to the post data written to the Request stream. Has anyone had luck with this? Any ideas why this is not working? Thanks.

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• Constructing an object and calling a method without assignment in VB.Net

  - by mdryden

  I'm not entirely sure what to call what C# does, so I haven't had any luck searching for the VB.Net equivalent syntax (if it exists, which I suspect it probably doesn't). In c#, you can do this: public void DoSomething() { new MyHelper().DoIt(); // works just fine } But as far as I can tell, in VB.Net, you must assign the helper object to a local variable or you just get a syntax error: Public Sub DoSomething() New MyHelper().DoIt() ' won't compile End Sub Just one of those curiosity things I run into from day to day working on mixed language projects - often there is a VB.Net equivalent which uses less than obvious syntax. Anyone?

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• WebSVN install on IIS 6.0

  - by ClayB

  I am trying to set up WebSVN on a Windows Server 2003 machine and not having any luck. I have done the following: Installed FastCGI Installed PHP 5.3.1.0 to c:\PHP Updated php.ini with the following: cgi.force_redirect = 0 cgi.fix_pathinfo = 1 fastcgi.impersonate = 1 fastcgi.logging = 0 Downloaded and extracted WebSVN 2.3.0 to D:\myWebRoot\websvn Copy distconfig.php to config.php Added the following: $config-setSVNCommandPath('c:\Program Files\Subversion\bin'); $config-setDiffPath('C:\Program Files\FogBugz\accessories'); $config-addRepository('Documents', 'https://myServer/myDir/Docs)', null, 'myDocsUser', 'myDocsPassword'); When I browse to URL myServer//websvn, I get the following error: Error running this command: "c:\Program Files\Subversion\bin\svn" --version --config-dir /tmp Any ideas?

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• Leak - GeneralBlock-3584

  - by lamicka

  When i try to check leaks of my iPhone App using Instruments, everything is just fine. Same App on actual real device shows this leak for a few times during the app launch. It is pretty non-deterministic and it happens in system libraries. I tried to google down the solution without a luck. Anyone experiencing the same problems? Anyone knows the solution? I find interesting, that every of my leak in code will crash the app sooner or later. These GeneralBlock-3584 leaks keeps app perfectly stable. Might this be reason for AppStore rejection? Thanx for any answer regarding this undocumented problem (Apple is silent unfortunately).

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• 32 bit dll importing in 64 bit .Net application

  - by scatterbraiin

  hello i'm having a problem, i try to solve it since yesterday but no luck. i have 32 bit delphi dll which i want to import in .NET Win Application. this application has to be built on ANY CPU mode. of course, there's BadImageFormatException coming, which means that in x64 application can't be loaded x86 dll.. i googled around and find solution, it said i have to do wrapper, but it wasn't clear for me. can anybody tell how to solve this problem, is there any possible way i can import 32bit Delphi dll in program builted Any CPU or x64 mode(maybe another solution).

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• Allocate constant memory

  - by Vlad

  I'm trying to set my simulation params in constant memory but without luck (CUDA.NET). cudaMemcpyToSymbol function returns cudaErrorInvalidSymbol. The first parameter in cudaMemcpyToSymbol is string... Is it symbol name? actualy I don't understand how it could be resolved. Any help appreciated. //init, load .cubin float[] arr = new float[1]; arr[0] = 0.0f; int size = Marshal.SizeOf(arr[0]) * arr.Length; IntPtr ptr = Marshal.AllocHGlobal(size); Marshal.Copy(arr, 0, ptr, arr.Length); var error = CUDARuntime.cudaMemcpyToSymbol("param", ptr, 4, 0, cudaMemcpyKind.cudaMemcpyHostToDevice); my .cu file contain __constant__ float param;

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• Parse M3U file locations to fully qualified paths

  - by Guy

  I would like to parse the file location information in an M3U playlist into fully qualified paths. The possible formats in M3U files seem to be: c:\mydir\songs\tune.mp3 \songs\tune.mp3 ..\songs\tune.mp3 For the first example, just leave it alone. For the second add the directory that the playlist resides in so it would become c:\playlists\songs\tune.mp3 and the same for the third case so it would also become: c:\playlists\songs\tune.mp3. I'm using vb under VS2008 and I can't find a way to recognise each of the potential location formats in the M3U file. System.IO.Path offers no solution that I can find. I've searched extensively for terms like "convert relative path to absolute" but no luck. Any advice appreciated. Thanks.

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• How can I play compressed sound files in C# in a portable way?

  - by skolima

  Is there a portable, not patent-restricted way to play compressed sound files in C# / .Net? I want to play short "jingle" sounds on various events occuring in the program. System.Media.SoundPlayer can handle only WAV, but those are typically to big to embed in a downloadable apllication. MP3 is protected with patents, so even if there was a fully managed decoder/player it wouldn't be free to redistribute. The best format available would seem to be OGG Vorbis, but I had no luck getting any C# Vorbis libraries to work (I managed to extract a raw PCM with csvorbis but I don't know how to play it afterwards). I neither want to distribute any binaries with my application nor depend on P/Invoke, as the project should run at least on Windows and Linux. I'm fine with bundling .Net assemblies as long as they are license-compatible with GPL. [this question is a follow up to a mailing list discussion on mono-dev mailing list a year ago]

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• Loginview control asp.net mvc

  - by vikitor

  Hello all, I have been searching and haven't got luck, I got a tutorial to use the loginview control in order to display or hide parts of the views to different user roles in my application. The thing is that the tutorial I've found is for ASP.NET and I've been told by one of my colleages that it is the same framework for ASP.NET MVC but the way to use it is different. Have you got any good tutorial to recommend? EDIT: I've got all my application set up, and the login and the roles already configured (via asp.net membership provider). This is all already running. The thing is that if I have role a and role b I want role a to be able to actually see the links to the actions it is authorized to work with, and not b for example. If in the Index of my application I've got a link to "Edit" and only the role a can access to the action, then it will be displayed just for logged in users that belong to role a, and not to those who belong to role b Thank you, Vikitor

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• Linux shared library that uses a shared library undefined symbol

  - by johnnycrash

  two shared libraries liba.so and libb.so. liba.so uses libb.so. All c files are compiled with -fPIC. Linking uses -shared. When we call dlopen on liba.so it cannot find symbols in libb.so...we get the "undefined symbol" error. We can dlopen libb.so with no errors. We know that liba is finding libb because we don't get a file not found error. We get a file not found error when we delete libb.so. We tried -lutil and no luck. Any ideas???? oh yeah. gcc 4.1.2

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• php array in url from json

  - by mcgrailm

  Here is what I want to do: I have some json like this var foo = { format:"json", type:"test", id:"26443" }; and I awant to put that in a url like this 'http://example.com/a:3:{s:6:"format";s:4:"json";s:4:"type";s:5:"test";s:2:"id";s:5:"26443";}' which I will then put into ajax call but everything I have tried results in error 501 BAD URI could someone tell me how to do this I've tried this function js_array_to_php_array(a) { var a_php = ""; var total = 3; for (var key in a){ total; a_php = a_php + "s:" + String(key).length + ":\"" + String(key) + "\";s:" + String(a[key]).length + ":\"" + String(a[key]) + "\";"; } a_php = "a:" + total +":{" + a_php + "}"; return a_php; } which I found out on the web but had to mod to get to run but still no luck

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• Watin from TeamCity not running as a Windows Service

  - by peter.swallow

  I'm trying to run Watin from within a TeamCity build, using nUnit. All tests run fine locally. I know you cannot run the full Watin tests (i.e. POST) from TeamCity if it is running as a Windows Service. You must start the build agent from a .bat file. But, I don't want to have to login to the server for it to start. I've tried getting a Scheduled Task (in Windows Server 2008) to fire the agent.bat file on StartUp (not Login), but with no luck. Has anyone else got Watin/TeamCity running from a Scheduled Task? Thanks, Pete

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• Detecting if the user selected "All Users" or "Just Me" in a Custom Action

  - by Ben

  Hi, I'm trying to detect if the user has selected the "All Users" or the "Just Me" radio during the install of my program. I have a custom action setup that overrides several methods (OnCommit, OnBeforeInstall, etc.). Right now I'm trying to find out this information during OnCommit. I've read that the property I want to get at is the ALLUSERS property, but I haven't had any luck finding where it would be stored in instance/local data. Does anyone know of a way to get at it? -Ben

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• jquery loop to create elements

  - by Andy Simpson

  Dear all, I have had no luck with this task so far so grateful for any help. I have an html form, in which there is a small select menu (1-10) ie <select> <option value = '1'>1</option> <option value = '2'>2</option> ... <option value = '10'>10</option> </select> depending on what value is selected i would like jquery to create (or remove) that number of input text boxes (with different names and id's). eg if 2 was selected these inputs would be created: <input type = 'text' name = 'name1' id = 'id1' /> <input type = 'text' name = 'name2' id = 'id2' /> i look forward to your no doubt simple and elegant solutions! andy

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• OSLO, ANTLR or other parser grammar, for parsing QUERY EXPRESSION

  - by Jay Allard

  Greetings I'm working on a project that requires me to write queries in text form, then convert them to some easily processed nodes to be processed by some abiguous repository. Of everything there, the part I'm least interested is the part that converts the text to nodes. I'm hoping it's already done somewhere. Because I'm making stuff up as I go, I chose to use a LINQish expression syntax. from m in Movie select m.A, m.B I started parsing it manually and got the basics, but it's pretty cheesy. I'm looking for the better solution. I made some progress using MGrammar, but it would be nice if such a thing already existed. Does anyone know of anything that already does this? I looked for existing ANTLR templates, but no luck. Thanks for the help.

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• DotnetNuke redirect

  - by X-Dev

  our client needs to shortcuts to particular pages We need to redirect non existent urls like http://site.com/promotion1 to the actual URL similar to http://site.com/promotions/promotion1/tabid/799/language/en-AU/Default.aspx ... I've sent a list of appropriate DNN modules to our client but it may take them forever to get back to me. In the mean time they still submitting requests to us to create redirects for them. if there's no cost involved then i wont have to wait for them to get back to me. so I'm looking for a Quick and free way to enable the clients to set these up on this own. I've looked at: http://www.snowcovered.com/snowcovered2/Default.aspx?tabid=242&PackageID=3302 http://www.ventrian.com/Resources/Projects/FriendlyUrls.aspx http://www.codeproject.com/kb/aspnet/dnn2url_rewrite.aspx But haven't had much luck in the small amount of time i have available. Has anyone got some suggestions on how to achieve our goal with either the above resources or maybe some additional resource i haven't found yet? (DNN v4.9)

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• DESPERATE Request - jQuery tag suggestion, How is it inserting the DOM Element SPAN?

  - by nobosh

  Take a look at this snazy plugin: http://remysharp.com/2007/12/28/jquery-tag-suggestion/ ** it's real small Source: http://remysharp.com/downloads/tag.js For the life of me, I can't figure out where in the plugin JS the code is injecting the SPAN which contains the tags... I see the following around line 73: var tagMatches = document.createElement(settings.tagContainer); But where is it injecting it into the doc? I ask because I need to find a way to control where it goes based on an ID, something like this: document.body.insertBefore(newDiv, my_div); Thanks so much, and good luck, It's tricky!

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• Web site aggregation with twitter widget SSL issue

  - by AB

  Hello! I'm seeking for solution how to isolate widget included by partial to main site. Issue appear when user access site with https. Ie 6,7 shows security confirmation dialog (part of website resources are not in secure zone). First of all I download twitter widget on our side, also I download all CSS and pictures. Then I patched widget JS to point onto downloaded resources. But still has not luck with security warning :( I guess the reason of this issue is AJAX request to twitter, but there is no idea how to sole it. (Just to create some kind of proxy on our side). Thank you for attention.

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• How do you implement Software Transactional Memory?

  - by Joseph Garvin

  In terms of actual low level atomic instructions and memory fences (I assume they're used), how do you implement STM? The part that's mysterious to me is that given some arbitrary chunk of code, you need a way to go back afterward and determine if the values used in each step were valid. How do you do that, and how do you do it efficiently? This would also seem to suggest that just like any other 'locking' solution you want to keep your critical sections as small as possible (to decrease the probability of a conflict), am I right? Also, can STM simply detect "another thread entered this area while the computation was executing, therefore the computation is invalid" or can it actually detect whether clobbered values were used (and thus by luck sometimes two threads may execute the same critical section simultaneously without need for rollback)?

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• Perl Encode - UK

  - by Phill Pafford

  This is a part 2 question from This Question. So I'm trying out the :encode functionality but having no luck at all. use Encode; # Should print: iso-8859-15 print "Latin-9 Encoding: ".find_encoding("latin9")->name."\n"; my $encUK = encode("iso-8859-15", "UK €"); print "Encoded UK: ".$encUK."\n"; Results: Encoded UK: UK € Shouldn't the results be encoded? what am I doing wrong here? EDIT: Added the suggested: use utf8; and now I get this: Encoded UK: UK ? pulling hair out now :/

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• USB interface barcode scanners

  - by Nimbuz

  Not exactly a programming question, but close. I'll try my luck anyway. The keyboard wedge barcode scanner inserts the translation device between the reader and the keyboard. Data sent through a wedge appears as if it was typed into the computer, while the keyboard itself remains fully functional. Because a computer using a keyboard wedge can't tell the difference between data that is entered by a scanning device, or data that is entered by keyboard typing, a wedge can be used to easily add barcode reading capability to an existing computer without modifying software applications. I'd like to know if all USB interface barcode scanners automatically translate digital signals from a barcode reader into keyboard strokes for a applications just like wedge or is USB different from wedge? Many thanks

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• Code Formatter: cleaning up horribly formatted jsp code

  - by ahiru

  So I am working on a jsp/servlet that came to me and I'm looking at the jsp file and it is just a jungle of jstl tags, java code and html thrown together. At first it looked like someone ran the standard eclipse formatter on it and had the page width set to 40 so alot of stuff is broken up, I tried to format it with a larger page width but that seemed to make it worse to the point of not being able to tell what is going on without formatting parts of it first. Anyone have any luck with any jsp/code formatter?

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• How to add multiple menu items with the same title to NSPopUpButton(NSMenu)?

  - by William S. Pear

  As docs say it's impossible to add two menu items to NSPopUpButton if they both have the same title. I was trying to add menu items to [popupButton menu], but with no luck. I was also trying to create a new menu, add items to it and then use [popupButton setMenu:newMenu], but no. Menu always display only one item per name. But I know it should be possible, if you try to create a smart playlist in iTunes, you could select "Playlist" from the left popup button, "=" from the middle, and the right one will hold menu items for every playlist in iTunes EVEN if they have the same title. So how do they do it?

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• Vala vapi files documentation

  - by Jordan

  Hi there, I'd like to hack on an existing GLib based C project using vala. Basically what I'm doing is, at the beginning of my build process, using valac to generate .c and .h files from my .vala files and then just compiling the generated files the way I would any .c or .h file. This is probably not the best way, but seems to be working alright for the most part. My problem is that I'm having a hard time accessing my existing C code from my Vala code. Is there an easy way to do this? I've tried writing my own .vapi files (I didn't have any luck with the tool that came with vala), but I can't find any decent documentation on how to write these. Does any exist? Do I need one of these files to call existing C code? Thanks.

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• Best practice No1: inline search layout across browsers

  - by Sixfoot Studio

  Ok, I have managed to fix my version of this example using a multitude of hacks and I would like to see how others would tackle this problem making this cross-browser compatible without too many hacks. <div class="searchDiv"> <img src="Images/left.gif" class="left" height="19" width="3" /> <input id="TextBox" type="text" class="searchField" /> <img src="Images/right.gif" height="19"width="3" class="right" /> <a href="" class="submit">Submit</a> <img src="Images/box-arrow.gif" class="linkArrow" width="8" height="14" /> </div> I am using a Transitional DTD in my example. Based on the everyone else's CSS examples, comments and answers I will make the final vote. I'd love to see more of these scenarios come up so that people have a library of "best practice" methods which they can find on SO. Good luck

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