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• Packaging a qt application compiled with shared libraries

  - by Surjya Narayana Padhi

  Hi Geeks, I downloaded the qt embedded demo source code recently on my linux machine. Following are the outcomes during running of the program I compiled it statically on my x86 machine and run the application on x86 machine it runs fine. But when i took the statically compiled binary file to other machine with Atom platform It run with some missing widgets. I found that the plugins cant be ported with static compilation. Can anybody tell me is it true? If no can anybody tell me the steps for it? I compiled it dynamically with shared libraries. Then got an executalbe on linux. I did "ldd MyAppName". It show me the shared library files it is using. But I dont know how to package these. Can anybody tell me the steps to package it? I checked in the article on deploying qt applications on X11-linux platforms. But its not complete. Can anybody give me the detailed steps? Any help will be appreciated......

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• Jquery html grab + calling a controller action using javascript (ruby on rails)

  - by Zind

  Preface: I consider myself "slightly effective" in ruby on rails, and a complete novice in javascript. Also, yes, I have installed jQuery and associated plugins instead of the default Prototype library. I am in a situation where I am pulling in a table from off-site in an iframe (which is taking care of all internal JS for me) such that when a part of the table is clicked, a td will gain the class "active." What I would like to do is take this info (I'm assuming I can get it in a string format), and pass it to a method (in my controller, I'm assuming) which will parse the html, pull out the pertinent info, and then call a creation method in the same controller with the parsed info, the end result being a new item in that table. What I have so far is javascript which I believe is correct so far: <script type="text/javascript"> var ImportInfo = function() { var info = $('td.active').html(); // call controller action which parses the given string, //checks for existence in database, and adds new row if needed } $("#Import").click(ImportInfo); </script> and, of course, a button with id="ImportLocation." I have looked at this question: http://stackoverflow.com/questions/1334447/using-jquery-to-call-a-controller-action but am somewhat unsure as to how to call a controller action to pass the contents of the td as a string. Is this doable with the jQuery post method?

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• Problems installing PHP's PECL sphinx module

  - by Camsoft

  I've installed the sphinx binaries and libraries and am now trying to install the PECL sphinx module. My system is running OS X 10.6 with MAMP 1.8.2 installed. I try to install sphinx using the following command: sudo pecl install sphinx The PECL command outputs the following: running: phpize Configuring for: PHP Api Version: 20090626 Zend Module Api No: 20090626 Zend Extension Api No: 220090626 The versions above don't match the versions listed when doing a phpinfo(). It seems that PECL is trying to complie against the built-in version of PHP. If I ignore the errors and continue the it will successfully compile and place the sphinx.so file in: /usr/lib/php/extensions/no-debug-non-zts-20090626/sphinx.so when in fact it should be: /Applications/MAMP/bin/php5/lib/php/extensions/no-debug-non-zts-20060613/ I've tried copying the sphinx.so file to the MAMP extensions dir but when I restart apache PHP displays the following warning: PHP Startup: Unable to load dynamic library '/Applications/MAMP/bin/php5/lib/php/extensions/no-debug-non-zts-20060613/sphinx.so I think this is because MAMP is 32bit and the built-in PHP is 64bit so PECL complies for 64bit. I might be completely wrong but I did read this when I goggled on the topic. Does anyone know how to get PECL to map to the MAMP version of PHP instead of the built-in version?

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• System.Threading.Timer keep reference to it.

  - by Daniel Bryars

  According to [http://msdn.microsoft.com/en-us/library/system.threading.timer.aspx][1] you need to keep a reference to a System.Threading.Timer to prevent it from being disposed. I've got a method like this: private void Delay(Action action, Int32 ms) { if (ms <= 0) { action(); } System.Threading.Timer timer = new System.Threading.Timer( (o) => action(), null, ms, System.Threading.Timeout.Infinite); } Which I don't think keeps a reference to the timer, I've not seen any problems so far, but that's probably because the delay periods used have been pretty small. Is the code above wrong? And if it is, how to I keep a reference to the Timer? I'm thinking something like this might work: class timerstate { internal volatile System.Threading.Timer Timer; }; private void Delay2(Action action, Int32 ms) { if (ms <= 0) { action(); } timerstate state = new timerstate(); lock (state) { state.Timer = new System.Threading.Timer( (o) => { lock (o) { action(); ((timerstate)o).Timer.Dispose(); } }, state, ms, System.Threading.Timeout.Infinite); } The locking business is so I can get the timer into the timerstate class before the delegate gets invoked. It all looks a little clunky to me. Perhaps I should regard the chance of the timer firing before it's finished constructing and assigned to the property in the timerstace instance as negligible and leave the locking out.

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• Computer science textbooks

  - by Barrett Conrad

  I would like to try the book question a little bit differently. My goal is to know what the community thinks are the quintessential computer science textbooks. <beginsadstory>I lost all of my computer science and math books from college in Hurricane Katrina in 2005. I greatly miss having my familiar tomes to refer to when topics and problems come up, so I am looking to rebuild my library.<endsadstory> What are your recommendations for the best examples of academic caliber books for the field of computer science and its associated mathematics? I am looking for books on subjects like computational theory, programming languages, compilers, operating systems, algorithms and so on. Don't limit your suggestions to your textbooks only. If there is a book you have read that covers computer science or a related math in a formal way, but is not strictly a textbook, I would be love to hear about them as well. Finally, for the sake of creating a good reference for all of us, may I suggest posting one book per answer so they can be rated individually.

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• FindByIdentity in System.DirectoryServices.AccountManagment Memory Issues

  - by MVC Fanatic

  I'm working on an active directory managament application. In addition to the typical Create A New User, Enable/Disable an account, reset my password etc. it also managages application permissions for all of the clients web applications. Application management is handled by thousands of AD groups such as which are built from 3 letter codes for the application, section and site, there are also hundreds of AD groups which determine which applications and locations a coordinator can grant rights to. All of these groups in turn belong to other groups so I typically filter the groups list with the MemberOf property to find the groups that a user directly belongs to (or everyone has rights to do everything). I've made extensive use of the System.DirectoryServices.AccountManagment namespace using the FindByIdentity method in 31 places throughout the application. This method calls a private method FindPrincipalByIdentRefHelper on the internal ADStoreCtx class. A SearchResultCollection is created but not disposed so eventually typically once or twice a day the web server runs out of memory and all of the applications on the web server stop responsing until iis is reset because the resources used by the com objects aren't ever relased. There are places where I fall back to the underlying directory objects, but there are lot of places where I'm using the properties on the Principal - it's a vast improvement over using the esoteric ad property names in the .Net 2.0 Directory services code. I've contacted microsoft about the problem and it's been fixed in .Net 4.0 but they don't currently have plans to fix it in 3.5 unless there is intrest in the community about it. I only found information about it in a couple of places the MDSN documentation in the community content state's there is a memory leak at the bottom (guess I should have read that before using the the method) http://msdn.microsoft.com/en-us/library/bb345628.aspx And the class in question is internal and doesn't expose SearchResultsCollection outside the offending method so I can't get at the results to dispose them or inherit from the class and override the method. So my questions are Has anyone else encountered this problem? If so were you able to work around it? Do I have any option besides rewriting the application not using any of the .Net 3.5 active directory code? Thanks

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• Visual Studio project using the Quality Center API remains in memory

  - by Traveling Tech Guy

  Hi, Currently developing a connector DLL to HP's Quality Center. I'm using their (insert expelative) COM API to connect to the server. An Interop wrapper gets created automatically by VStudio. My solution has 2 projects: the DLL and a tester application - essentially a form with buttons that call functions in the DLL. Everything works well - I can create defects, update them and delete them. When I close the main form, the application stops nicely. But when I call a function that returns a list of all available projects (to fill a combo box), if I close the main form, VStudio still shows the solution as running and I have to stop it. I've managed to pinpoint a single function in my code that when I call, the solution remains "hung" and if I don't, it closes well. It's a call to a property in the TDC object get_VisibleProjects that returns a List (not the .Net one, but a type in the COM library) - I just iterate over it and return a proper list (that I later use to fill the combo box): public List<string> GetAvailableProjects() { List<string> projects = new List<string>(); foreach (string project in this.tdc.get_VisibleProjects(qcDomain)) { projects.Add(project); } return projects; } My assumption is that something gets retained in memory. If I run the EXE outside of VStudio it closes - but who knows what gets left behind in memory? My question is - how do I get rid of whatever calling this property returns? Shouldn't the GC handle this? Do I need to delve into pointers? Things I've tried: getting the list into a variable and setting it to null at the end of the function Adding a destructor to the class and nulling the tdc object Stepping through the tester function application all the way out, whne the form closes and the Main function ends - it closes, but VStudio still shows I'm running. Thanks for your assistance!

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• SWI-Prolog as an embedded application in VS2008 C++

  - by H.J. Miri

  I have a C++ application (prog.sln) which is my main program and I want to use Prolog as an embedded logic server (hanoi.pl) int main(int argc, char** argv) { putenv( "SWI_HOME_DIR=C:\\Program Files\\pl" ); argv[0] = "libpl.dll"; argv[1] = "-x"; argv[2] = "hanoi.pl"; argv[3] = NULL; PL_initialise(argc, argv); { fid_t fid = PL_open_foreign_frame(); predicate_t pred = PL_predicate( "hanoi", 1, "user" ); int rval = PL_call_predicate( NULL, PL_Q_NORMAL, pred, 3 ); qid_t qid = PL_open_query( NULL, PL_Q_NORMAL, pred, 3 ); while ( PL_next_solution(qid) ) return qid; PL_close_query(qid); PL_close_foreign_frame(fid); system("PAUSE"); } return 1; system("PAUSE"); } Here is my Prolog source code: :- use_module( library(shlib) ). hanoi( N ):- move( N, left, center, right ). move( 0, _, _, _ ):- !. move( N, A, B, C ):- M is N-1, move( M, A, C, B ), inform( A, B ), move( M, C, B, A ). inform( X, Y ):- write( 'move a disk from ' ), write( X ), write( ' to ' ), write( Y ), nl. I type at the command: plld -o hanoi prog.sln hanoi.pl But it doesn't compile. When I run my C++ app, it says: Undefined procedure: hanoi/1 What is missing/wrong in my code or at the prompt that prevents my C++ app from consulting Prolog? Appreciate any help/pointer.

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• Automatic (keyless) styles not applied when in a MergedDictionaries in another assembly

  - by Catalin DICU

  I moved the styles and templates xaml files form my application (.exe) project to a library project (.dll) because I want to use them in multiple applications. In App.xaml I have: <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="pack://application:,,,/MyApplication.Common;component/Resources/All.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> In All.xaml (in the Common assembly) : <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="Styles.xaml" /> <ResourceDictionary Source="Templates.xaml" /> <ResourceDictionary Source="Converters.xaml" /> </ResourceDictionary.MergedDictionaries> With this code keyless styles in Styles.xaml aren't applied. Instead, if I reference them directly in App.xaml, it works : <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="pack://application:,,,/MyApplication.Common;component/Resources/Styles.xaml" /> <ResourceDictionary Source="pack://application:,,,/MyApplication.Common;component/Resources/Templates.xaml" /> <ResourceDictionary Source="pack://application:,,,/MyApplication.Common;component/Resources/Converters.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> Can anyone explain why it happens ?

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• Is it possible to use Indy 10.5.8.0 with Delphi XE?

  - by jachguate

  The case I'm trying to update the INDY to the latest version for my Delphi XE (Update 1), so I downloaded the latest INDY10 file (Indy_4545.zip) from indy.fulgan.com/ZIP. The packages compiles successfully and I can now even see the new version 10.5.8.0 on the about box dialog, but after a IDE restart I got a message saying: No se encuentra el punto de entrada del procedimiento @Idhttp@TIdCustomHTTP@GetRequestHeaders$qqrv en la biblioteca de vínculos dinámicos IndyProtocols150.bpl. My free translation to English: Entry point not found for procedure @Idhttp@TIdCustomHTTP@GetRequestHeaders$qqrv not found on the dynamic link library IndyProtocols150.bpl. After a quick comparision of old and new IdHTTP.pas I found a lot of changes on the TIdCustomHttp class, including the rename of some methods GetResponseHeaders to GetResponse GetRequestHeaders to GetRequest SetRequestHeaders to SetRequest Along with changed public/published method firms in this and other and classes interfaces. After the update, I got a lot of packages failing to load, including dclcxPivotGridOLAPD15.bpl, which in turns depends on dclDataSnapServer150.bpl which encounters the missing method on the bpl. AFAIK I can't recompile the dclDataSnapServer150.bpl (and maybe other failing packages, I just stopped here). DataSnap and DevExpress support on the IDE is a must for my day to day so The questions Is there a safe pre-established path to update to the newest INDY for Delphi XE? If not, am I on the safe side by just parching the source code by creating the old public methods and call the new ones on the implementation part? am I missing something else or am I really stuck with INDY 10.5.7 until the next Delphi minor/major release?

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• Sharepoint.OpenDocuments Control Compatible with Forms Authentication?

  - by Richard Collette

  We are using the Sharepoint.OpenDocuments.EditDocument2 ActiveX control and method. The method is being called from JavaScript in an IE6 client on a Windows XP SP3 client (fully patched). The server is running IIS6 on Windows Server 2003 SP1 Fronting the IIS server is Tivoli Access Manager (TAM) which proxies access to the web applications sitting behind it. Similar to forms authentication, it creates a session cookie for authentication purposes, that must be present for the HTTP request to reach the IIS server. In front of TAM is an F5/BigIP load balancer and SSL encryption offloader, which enforces that incoming requests use the HTTPS protocol. What is happening is that HTTP requests issued by this control do not contain any session cookies that were present in the browser. It drops the ASP.NET session cookie, the ASP.NET forms authentication cookie and the TAM cookie Because the TAM cookie is missing the request is redirected to the TAM login page, which then shows up via HTML conversion in Word or Excel. The API documentation at http://msdn.microsoft.com/en-us/library/ms440037.aspx mentions nothing about security or appropriate usage scenarios for this control. Should these controls work in an ASP.Net Forms Authentication scenario or are they only supported with Windows Authentication. If Forms Authentication is supposed to function, how do we get the control to include the necessary session cookies in its requests?

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• FindBugs not accepting bcel.jar in ANT script

  - by deltaball

  I installed findbugs into my ant lib directory and added the following code into my main ANT script: <target name="findbugs" depends="init"> <findbugs home="C:\\findbugs\\" output="html outputFile="C:\\findbugs\\out.html" jvmargs="-Xms512M"> <sourcePath path="${messageaggregator.src}" /> <class location="${messageaggregator.src}"/> </findbugs> </target> The following xml is called within the init target: <taskdef name="findbugs" classname="edu.umd.cs.findbugs.anttask.FindBugsTask"> On running the ANT script, all I get is the following output: findbugs: [findbugs] Executing findbugs from ant task [findbugs] Running FindBugs... [findbugs] BCEL class compatability error. [findbugs] The version of class org.apache.bcel.generic.ObjectType found was not compatible with [findbugs] FindBugs. Please remove any BCEL libraries that may be interfering. This may happen [findbugs] if you have an old version of BCEL or a library that includes an old version of BCEL [findbugs] in an "endorsed" directory. [findbugs] Output saved to C:\\findbugs\\out.html Why is findbugs not working?

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• How does one use OpenFileDialog in C# in visual Studio 2010

  - by xarzu

  I have written a custom dialog (form) that I can use in a C# program that behaves much like a "File - Open" menu command and brings up a window where a user can select a file or directory. The question I have is this. It has "My Computer" as its root. How can I have it so that it searches on a Network? If the file or directory is located on a network. Or better yet, in Visual Studio 2010, is there some sort of canned FileOpenDialog that I can use right away? I tried calling the OpenFileDialog as described in the example code at http://msdn.microsoft.com/en-us/library/system.windows.forms.openfiledialog.aspx but the compiler does not seem to like DialogResult.OK as used in this line of code: if(openFileDialog1.ShowDialog() == DialogResult.OK) The compiler says: Error 1 'System.Nullable' does not contain a definition for 'OK' and no extension method 'OK' accepting a first argument of type 'System.Nullable' could be found (are you missing a using directive or an assembly reference?) I tried using the namespace Microsoft.Win32 instead of System.Windows.Forms and neither worked. They both produced this error.

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• Is there a workaround for JDBC w/liquibase and MySQL session variables & client side SQL instructions

  - by David

  Slowly building a starter changeSet xml file for one of three of my employer's primary schema's. The only show stopper has been incorporating the sizable library of MySQL stored procedures to be managed by liquibase. One sproc has been somewhat of a pain to deal with: The first few statements go like use TargetSchema; select "-- explanatory inline comment thats actually useful --" into vDummy; set @@session.sql_mode='TRADITIONAL' ; drop procedure if exists adm_delete_stats ; delimiter $$ create procedure adm_delete_stats( ...rest of sproc I cut out the use statement as its counter-productive, but real issue is the set @@session.sql_mode statement which causes an exception like liquibase.exception.MigrationFailedException: Migration failed for change set ./foobarSchema/sprocs/adm_delete_stats.xml::1293560556-151::dward_autogen dward: Reason: liquibase.exception.DatabaseException: Error executing SQL ... And then the delimiter statement is another stumbling block. Doing do dilligence research I found this rejected MySQL bug report here and this MySQL forum thread that goes a little bit more in depth to the problem here. Is there anyway I can use the sproc scripts that currently exist with Liquibase or would I have to re-write several hundred stored procedures? I've tried createProcedure, sqlFile, and sql liquibase tags without much luck as I think the core issue is that set, delimiter, and similar SQL commands are meant to be interpreted and acted upon by the client side interpreter before being delivered to the server.

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• How to resize a Flot graph when its containing div changes size

  - by Will Gorman

  I'm using the Flot graphing library jQuery plugin and I haven't found a good way to handle resizing the graph when it's containing <div> changes size (for example, due to window resizing). When handling the onresize event, I've made sure that the width and height of the containing <div>are updated to the correct size and then tried calling both setupGrid and draw on the plot object but with no effect. I've had some success with the approach of just removing and readding the containing <div> and replotting the graph in it. However, this seems to be prone to getting stuck in infinite resize event loops if I have to add other <div> elements to the document at the same time (like for tooltips for the graph) as I'm guessing those can trigger resize events as well? Is there a good way to handle it that I'm missing? (I'm also using ExplorerCanvas for IE in order to be able to use Flot, if that might have anything to do with it. I haven't really tried in any other browsers yet)

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• Help with boost::lambda expression

  - by Venkat Shivanandan

  I tried to write a function that calculates a hamming distance between two codewords using the boost lambda library. I have the following code: #include <iostream> #include <numeric> #include <boost/function.hpp> #include <boost/lambda/lambda.hpp> #include <boost/lambda/if.hpp> #include <boost/bind.hpp> #include <boost/array.hpp> template<typename Container> int hammingDistance(Container & a, Container & b) { return std::inner_product( a.begin(), a.end(), b.begin(), (_1 + _2), boost::lambda::if_then_else_return(_1 != _2, 1, 0) ); } int main() { boost::array<int, 3> a = {1, 0, 1}, b = {0, 1, 1}; std::cout << hammingDistance(a, b) << std::endl; } And the error I am getting is: HammingDistance.cpp: In function ‘int hammingDistance(Container&, Container&)’: HammingDistance.cpp:15: error: no match for ‘operator+’ in ‘<unnamed>::_1 + <unnamed>::_2’ HammingDistance.cpp:17: error: no match for ‘operator!=’ in ‘<unnamed>::_1 != <unnamed>::_2’ /usr/include/c++/4.3/boost/function/function_base.hpp:757: note: candidates are: bool boost::operator!=(boost::detail::function::useless_clear_type*, const boost::function_base&) /usr/include/c++/4.3/boost/function/function_base.hpp:745: note: bool boost::operator!=(const boost::function_base&, boost::detail::function::useless_clear_type*) This is the first time I am playing with boost lambda. Please tell me where I am going wrong. Thanks.

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• Wrapped WPF Control

  - by Robert

  Hi, I'm trying to create a GUI (WPF) Library where each (custom) control basically wraps an internal (third party) control. Then, I'm manually exposing each property (not all of them, but almost). In XAML the resulting control is pretty straightforward: <my:CustomButton Content="ClickMe" /> And the code behind is quite simple as well: public class CustomButton : Control { private MyThirdPartyButton _button = null; static CustomButton() { DefaultStyleKeyProperty.OverrideMetadata(typeof(CustomButton), new FrameworkPropertyMetadata(typeof(CustomButton))); } public CustomButton() { _button = new MyThirdPartyButton(); this.AddVisualChild(_button); } protected override int VisualChildrenCount { get { return _button == null ? 0 : 1; } } protected override Visual GetVisualChild(int index) { if (_button == null) { throw new ArgumentOutOfRangeException(); } return _button; } #region Property: Content public Object Content { get { return GetValue(ContentProperty); } set { SetValue(ContentProperty, value); } } public static readonly DependencyProperty ContentProperty = DependencyProperty.Register( "Content", typeof(Object), typeof(CustomButton), new FrameworkPropertyMetadata(new PropertyChangedCallback(ChangeContent)) ); private static void ChangeContent(DependencyObject source, DependencyPropertyChangedEventArgs e) { (source as CustomButton).UpdateContent(e.NewValue); } private void UpdateContent(Object sel) { _button.Content = sel; } #endregion } The problem comes after we expose MyThirdPartyButton as a property (in case we don't expose something, we would like to give the programmer the means to use it directly). By simply creating the property, like this: public MyThirdPartyButton InternalControl { get { return _button; } set { if (_button != value) { this.RemoveVisualChild(_button); _button = value; this.AddVisualChild(_button); } } } The resulting XAML would be this: <my:CustomButton> <my:CustomButton.InternalControl> <thirdparty:MyThirdPartyButton Content="ClickMe" /> </my:CustomButton.InternalControl> And what I'm looking for, is something like this: <my:CustomButton> <my:CustomButton.InternalControl Content="ClickMe" /> But (with the code I have) its impossible to add attributes to InternalControl... Any ideas/suggestions? Thanks a lot, -- Robert

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• Is an LSA MSV1_0 subauthentication package needed for some impersonation use cases?

  - by Chris Sears

  Greetings, I'm working with a vendor who has implemented some code that uses a Windows LSA MSV1_0 subauthentication package (MSDN info if you're interested: http://msdn.microsoft.com/en-us/library/aa374786(VS.85).aspx ) and I'm trying to figure out if it's necessary. As far as I can tell, the subauthentication routine and filter allow for hooking or customizing the standard LSA MSV1_0 logon event processing. The issue is that I don't understand why the vendor's product would need these capabilities. I've asked them and they said they use it to perform impersonation. The product definitely does need to do impersonation, but based on my limited win32 knowledge, they could get the functionality they need using the normal auth APIs (LsaLogonUser, ImpersonateLoggedOnUser, etc) without the subauthentication package. Furthermore, I've worked with a number of similar products that all do impersonation, and this is the only one that's used a subauthentication package. If you're wondering why I would care, a previous version of the product had a bug in the subauthentication package dll that would cause lockups or bluescreens. That makes me rather nervous and has me questioning the use of such a low-level, kernel sensitive interface. I'd like to go back to the vendor and say "There's no way you could need an LSA subauth package for impersonation - take it out", but I'm not sure I understand the use cases and possible limitations of the standard win32 authentication/impersonation APIs well enough to make that claim definitively. So, to the win32 security gurus out there, is there any reason you would need an LSA MSV1_0 subauthentication package if all you were doing is impersonation? Thanks in advance for any thoughts!

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• Error: Only LDAP Connection Strings are Supported against Active Directory

  - by Brent Pabst

  I have the following ASP.NET Membership section defined in the Web.config file: <membership defaultProvider="AspNetActiveDirectoryMembershipProvider"> <providers> <clear/> <add connectionStringName="ADService" connectionUsername="umanage" connectionPassword="letmein" enablePasswordReset="true" enableSearchMethods="true" applicationName="uManage" clientSearchTimeout="30" serverSearchTimeout="30" name="AspNetActiveDirectoryMembershipProvider" type="System.Web.Security.ActiveDirectoryMembershipProvider, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" /> </providers> </membership> The Connection string looks like this: <add name="ADService" connectionString="ldap://familynet.local" /> Whenever I call the following code: Membership.GetAllUsers(); I get the following error: Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: Only LDAP connection strings are supported against Active Directory and ADAM. I don't understand why the system is claiming the LDAP connection string is bad because it is in fact a valid LDAP string as specified by the MSDN documentation. http://msdn.microsoft.com/en-us/library/system.web.security.activedirectorymembershipprovider.aspx Any ideas?

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• Webservice error

  - by Parth

  i am new to webservices, I have created a basic stockmarket webservice, I have successfully created the server script for it and placed it in my server, Now I also creted a clent script and accessed it hruogh the same server.. Is it valid ? can boh files be accesed from the same server? or do I have to place them in different servers? If yes Then Y? If No then why do i get the blank page? I am using nusoap library for webservice. When I use my cleint script from my local machine I get these errors "Deprecated: Assigning the return value of new by reference is deprecated in D:\wamp\www\pranav_test\nusoap\lib\nusoap.php on line 6506 Fatal error: Class 'soapclient' not found in D:\wamp\www\pranav_test\stockclient.php on line 3" stockserver.php at server <?php function getStockQuote($symbol) { mysql_connect('localhost','root','******'); mysql_select_db('pranav_demo'); $query = "SELECT stock_price FROM stockprices " . "WHERE stock_symbol = '$symbol'"; $result = mysql_query($query); $row = mysql_fetch_assoc($result); return $row['stock_price']; } require('nusoap/lib/nusoap.php'); $server = new soap_server(); $server->configureWSDL('stockserver', 'urn:stockquote'); $server->register("getStockQuote", array('symbol' => 'xsd:string'), array('return' => 'xsd:decimal'), 'urn:stockquote', 'urn:stockquote#getStockQuote'); $HTTP_RAW_POST_DATA = isset($HTTP_RAW_POST_DATA) ? $HTTP_RAW_POST_DATA : ''; $server->service($HTTP_RAW_POST_DATA); ?> stockclient.php <?php require_once('nusoap/lib/nusoap.php'); $c = new soapclient('http://192.168.1.20/pranav_test/stockserver.php'); $stockprice = $c->call('getStockQuote', array('symbol' => 'ABC')); echo "The stock price for 'ABC' is $stockprice."; ?> please help...

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• Python libusb pyusb "mach-o, but wrong architecture"

  - by Jon

  I am having some trouble with the pyusb module. I have narrowed down the problem to a single line, and have created a small example script to replicate the error. #!/usr/bin/env python """ This module was created to isolate the problem in the pyusb package. Operating system: Mac OS 10.6.3 Python Version: 2.6.4 libusb 1.0.8 has been successfully installed using: sudo port install libusb I have also tried modifying /opt/local/etc/macports/macports.conf to force the i386 architecture instead of x86_64. """ from ctypes import * import ctypes.util libname = ctypes.util.find_library('usb-1.0') print 'libname: ', libname l = CDLL(libname, RTLD_GLOBAL) # RESULT: #libname: /usr/local/lib/libusb-1.0.dylib #Traceback (most recent call last): # File "./pyusb_problem.py", line 7, in <module> # l = CDLL(libname, RTLD_GLOBAL) # File "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/ctypes/__init__.py", line 353, in __init__ # self._handle = _dlopen(self._name, mode) #OSError: dlopen(/usr/local/lib/libusb-1.0.dylib, 10): no suitable image found. Did find: # /usr/local/lib/libusb-1.0.dylib: mach-o, but wrong architecture # End of File This same script runs on Ubuntu 10.04 successfully. I have tried building the libusb module (directly from source AND through macports) for 32-bit (i386) instead of x86_64 (default for OS 10.6), but I receive the same error. Thank-you in advance for your help!

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• Should UTF-16 be considered harmful?

  - by Artyom

  I'm going to ask what is probably quite a controversial question: "Should one of the most popular encodings, UTF-16, be considered harmful?" Why do I ask this question? How many programmers are aware of the fact that UTF-16 is actually a variable length encoding? By this I mean that there are code points that, represented as surrogate pairs, take more then one element. I know; lots of applications, frameworks and APIs use UTF-16, such as Java's String, C#'s String, Win32 APIs, Qt GUI libraries, the ICU Unicode library, etc. However, with all of that, there are lots of basic bugs in the processing of characters out of BMP (characters that should be encoded using two UTF-16 elements). For example, try to edit one of these characters: 𝄞 𝕥 𝟶 𠂊 You may miss some, depending on what fonts you have installed. These characters are all outside of the BMP (Basic Multilingual Plane). If you cannot see these characters, you can also try looking at them in the Unicode Character reference. For example, try to create file names in Windows that include these characters; try to delete these characters with a "backspace" to see how they behave in different applications that use UTF-16. I did some tests and the results are quite bad: Opera has problem with editing them Notepad can't deal with them correctly (delete for example) File names editing in Window dialogs in broken All QT3 applications can't deal with them. StackOverflow seems to remove these characters if edited directly in as Unicode characters, and only seems to allow them as HTML Unicode escapes. So... This was very simple test. Do you think that UTF-16 should be considered harmful?

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• Using MSADO15.DLL and C++ with MinGW/GCC on Windows Vista

  - by Eugen Mihailescu

  INTRODUCTION Hi, I am very new to C++, is my 1st statement. I have started initially with VC++ 2008 Express, I've notice that GCC becomes kind of standard so I am trying to make the right steps event from the beginning. I have written a piece of code that connects to MSSQL Server via ADO, on VC++ it's working like a charm by importing MSADO15.dll: #import "msado15.dll" no_namespace rename("EOF", "EndOfFile") Because I am going to move from VC++ I was looking for an alternative (eventually multi-platform) IDE, so I stick (for this time) with Code::Block (I'm using last nightly buil, SVN 6181). As compiler I choose to use GCC 3.4.5 (ported via MinGW 5.1.6), under Vista. I was trying to compile a simple "hello world" application with GCC that use/import the same msado15.dll (#import "c:\Program Files\Common Files\System\ADO\msado15.dll" no_namespace rename("EOF", "EndOfFile")) and I was surprised to see a lot of compile-time errors. I was expected that the #import compiler's directive will generate a library from "msado15.dll" so it can link to it later (link-edit time or whatever). Instead it was trying to read it as a normal file (like a header file,if you like) because it was trying to interprete each line in the DLL (which has a MZ signature): Example: Compiling: main.cpp E:\MyPath\main.cpp:2:64: warning: extra tokens at end of #import directive In file included from E:\MyPath\main.cpp:2: c:\Program Files\Common Files\System\ADO\msado15.dll:1: error: stray '\144' in program In file included from E:\MyPath\main.cpp:2: c:\Program Files\Common Files\System\ADO\msado15.dll:1:4: warning: null character(s) ignored c:\Program Files\Common Files\System\ADO\msado15.dll:1: error: stray '\3' in program c:\Program Files\Common Files\System\ADO\msado15.dll:1:6: warning: null character(s) ignored c:\Program Files\Common Files\System\ADO\msado15.dll:1: error: stray '\4' in program ... and so on. MY QUESTION Well, it is obvious that under this version of GCC the #import directive does not do the expected job (perhaps #import is not supported anymore by GCC), so finally my question: how to use the ADO to access MSSQL database on a C++ program compiled with GCC (v3.4.5)?

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• Executing MSYS from cmd.exe with arguments

  - by Chris Allison

  Hi, I am trying to learn wxWidgets library, using mingw and msys to compile the code. So far so good, but I can not find a way to send a command to MSYS through CMD.exe. I use SublimeText to edit files, and it has an option to run makefiles. I want my makefiles to be able to open an instance of MSYS and send the g++ command and arguments to it. Example: Right now my makefile is: test.exe : main.cpp g++ -s main.cpp -o test.exe `wx-config --cxxflags` `wx-config --libs` When mingw32-make goes to run the g++ command, it sends it to cmd.exe, which doesn't handle the back-ticks and wx-config jazz. (But the command does work when run from inside MSYS and the directory holding main.cpp) I want to be able to use something like... msys --command g++ -s main.cpp*...etc..* so it will load the msys enviroment, and run the command. Is this possible? I am a huge makefile newbie, so if there is an easier way, please show me! TIA!

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• Spring-json problem in Liferay with Spring 2.5

  - by Jesus Benito

  Hi all, I am trying to use the library spring-json.1.3.1 in a project that has been done with Liferay 5.1.2 which includes Spring 2.5. Following the project website instructions, I managed to make the request hit in my controller, but at the moment of returning the json object back through the modelAndView object it fails with the following error: java.lang.IllegalArgumentException at com.liferay.portlet.MimeResponseImpl.setContentType(MimeResponseImpl.java:162) I have checked Liferays source code, and it checks that contentType that its being set is in a harcoded list,if it not it will throw a IllegalArgumentException that it is exactly what os happening. This is my view resolver code: <bean id="xmlFileViewResolver" class="org.springframework.web.servlet.view.XmlViewResolver"> /WEB-INF/context/views.xml 1 My views.xml code: <beans> <bean name="jsonView" class="org.springframework.web.servlet.view.json.JsonView"/> And my controller: @SuppressWarnings("unchecked") @Override public ModelAndView handleRenderRequest(RenderRequest arg0, RenderResponse arg1) throws Exception { Map model = new HashMap(); model.put("firstname", "Peter"); model.put("secondname", "Schmitt"); return new ModelAndView("jsonView", model); } Any ideas?

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