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  • Are there Java libraries to do drag and drop

    - by Kenston
    Hello. Are there open source libraries for Java to make implementation of drag and drop easier? I plan to make something like the one shown below: The program is Alice, where you can drag some elements on the left and nest them to the right. It's open source, but they did not use any libraries I think. I'm wondering if we anyone know of open source frameworks that work this way, or assist in doing complex drag and drops.

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  • Help needed Using C File In Project, iPhone

    - by Stumf
    Hello all, I am new to all this, but here goes: There is an apple file that I would like to use parts of for my app. It is called BatteryTimeRemaining.c. http://www.opensource.apple.com/source/PowerManagement/PowerManagement-211/pmconfigd/BatteryTimeRemaining.c I want to be able to use some of the calculations in it, the problem being I don't to know how to add and use it properly. I get countless errors e.g. undeclared: first use of this function. Do I need to add all the header files which are included in the .c file? Do I compile it and then add? Many thanks, Stuart

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  • Is it a good idea to create shared UI library that would render natively on different platforms?

    - by Maciej Donajski
    I am designing an application that has following flow: User designs a form using web application (J2EE backend application) The form is sent to mobile device (Android) Mobile device User fills out the form designed in 1. Results are synced with backend. One of my ideas is to create a common java UI library for creating the type of forms that I need. This library would also have a native renderers for different platforms (Web and Android would be implemented first). The whole point of it is to have a native experience on web and android side. Are there any existing solutions to meet the requirements that I have? Is it a good approach to achieve them?

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  • PInvokeStackImbalance -- C# with offreg.dll ( windows ddk7 )

    - by user301185
    I am trying to create an offline registry in memory using the offreg.dll provided in the windows ddk 7 package. You can find out more information on the offreg.dll here: MSDN Currently, while attempted to create the hive using ORCreateHive, I receive the following error: "Managed Debugging Assistant 'PInvokeStackImbalance' has detected a problem. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature." Here is the offreg.h file containing ORCreateHive: typedef PVOID ORHKEY; typedef ORHKEY *PORHKEY; VOID ORAPI ORGetVersion( __out PDWORD pdwMajorVersion, __out PDWORD pdwMinorVersion ); DWORD ORAPI OROpenHive ( __in PCWSTR lpHivePath, __out PORHKEY phkResult ); DWORD ORAPI ORCreateHive ( __out PORHKEY phkResult ); DWORD ORAPI ORCloseHive ( __in ORHKEY Handle ); The following is my C# code attempting to call the .dll and create the pointer for future use. using System.Runtime.InteropServices; namespace WindowsFormsApplication6 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } [DllImport("offreg.dll", CharSet = CharSet.Auto, EntryPoint = "ORCreateHive", SetLastError=true, CallingConvention = CallingConvention.StdCall)] public static extern IntPtr ORCreateHive2(); private void button1_Click(object sender, EventArgs e) { try { IntPtr myHandle = ORCreateHive2(); } catch (Exception r) { MessageBox.Show(r.ToString()); } } } } I have been able to create pointers in the past with no issue utilizing user32.dll, icmp.dll, etc. However, I am having no such luck with offreg.dll. Thank you.

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  • Recursion in Unity and Dispose pattern implementation

    - by Budda
    My class is inherited from UnityContainer (from Unity 2.0), here is source code: public class UnityManager : UnityContainer { private UnityManager() { _context = new MyDataClassesDataContext(); // ... } protected override void Dispose(bool disposing) { if ( disposing ) { _context.Dispose(); } base.Dispose(disposing); } private readonly CMCoreDataClassesDataContext _context; } When Dispose method is called for the instance of UnityManager class it drop into recursion... Why? As far as I know base.Dispose should call the Dispose method of base class only... isn't it? Who call back the Dispose(bool) of UnityManager? How to prevent that? Thanks.

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  • Does Parallel.ForEach require AsParallel()

    - by dkackman
    ParallelEnumerable has a static member AsParallel. If I have an IEnumerable<T> and want to use Parallel.ForEach does that imply that I should always be using AsParallel? e.g. Are both of these correct (everything else being equal)? without AsParallel: List<string> list = new List<string>(); Parallel.ForEach<string>(GetFileList().Where(file => reader.Match(file)), f => list.Add(f)); or with AsParallel? List<string> list = new List<string>(); Parallel.ForEach<string>(GetFileList().Where(file => reader.Match(file)).AsParallel(), f => list.Add(f));

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  • ACE_Mutex::acquire problem

    - by O. Askari
    Hi, I have a mutex in my class with the following definition: ACE_Mutex m_specsMutex; When i use the acquire() method that takes no parameters everything works just fine. But when i use it with a time value (as follows) it just immediately returns with -1 value. I'm sure that this mutex hasn't been acquired anywhere else so it shouldn't return -1. m_specsMutex.acquire(ACE_OS::gettimeofday() + ACE_Time_Value(30)) Am i doing anything wrong?

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  • MOSS Faceted Search 3.0

    - by nav
    Hi, Has anyone installed Faceted Search v3.0 for MOSS working with date columns? When I map a column of DateTime type and click the Search BreadCrumb webpart "remove filter" link (next to the edit filter link) an exception is thrown. The search Breadcrumb webpart throws an error when I click the "Remove filter" link (this is the one represented by the broken link icon - next to the "Edit facet" icon). This seems to only occur after clicking the "Remove filter" link for Facets of DateTime type after which it occurs on every instance for all Facets. The error thrown is posted here: http://facetedsearch.codeplex.com/Thread/View.aspx?ThreadId=213398 Many Thanks, Nav

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  • VC++ Charts using Chart X

    - by Arjun
    Hi, I'm new to drawing the chart using chartfx can you give me the meanings of teh following methods, they are kinda confusing...I did not find documentation anywhere. GetValue ( ) GetXValue ( ) PutItem() Thanks, Arjun

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  • Dragging a div along with all of its child divs

    - by roygbiv
    I have the following code: <body> <div id="container" style="position:absolute; left:0px; top:0px; z-index:1;"> <div id="div1" style="background-color:Red; position:absolute; left:0px; top:0px; width:256px; height:256px; z-index:0;" >&nbsp;</div> <div id="div2" style="background-color:Black; position:absolute; left:256px; top:0px; width:256px; height:256px; z-index:0;" >&nbsp;</div> <div id="div3" style="background-color:Green; position:absolute; left:512px; top:0px; width:256px; height:256px; z-index:0;" >&nbsp;</div> <div id="div4" style="background-color:Yellow; position:absolute; left:768px; top:0px; width:256px; height:256px; z-index:0;" >&nbsp;</div> <div id="div5" style="background-color:Blue; position:absolute; left:1024px; top:0px; width:256px; height:256px; z-index:0;" >&nbsp;</div> </div> <script type="text/javascript"> <!-- SET_DHTML("container"); //--> </script> </body> I want to drag the 'container' div such that all child divs are dragged at the same time. I can drag individual divs, but that is not what I want. Can a div drag child divs or do they have to be images? I am using the WalterZorn drag drop API, but am open to using any API, script or whatever.

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  • EnterpriseLibrary.Logging directory ..

    - by MüllerDK
    Hi, I'm using MS EnterpriseLibrary.Logging and that works perfectly. But the logfile(s) are placed in where the program file are located. How do I get it to place my logfiles in individual users applicationData folder?? The folder I'm talking about is the one you get by calling "Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)". Any help appreciated :-) Best Regards Søren

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  • Which Hadoop API should I use?

    - by Niels Basjes
    In the latest Hadoop Studio the 0.18 API of Hadoop is called "Stable" and the 0.20 API of Hadoop is called "Unstable". Now given the fact that we'll start coding a new Hadoop project in the next few weeks; which API should we use and which Hadoop distribution (Apache, Cloudera, Yahoo, ...) should we use? Thanks for your insights.

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  • ASP.NET application partially reading external configuration

    - by Trent
    I have an ASP.NET web app and am attempting to reference an external config (using enterprise application blocks configuration) for some of the configuration but it is not entirely working. I previously had all of the configuration info in the web.config (and it was working), but we are wanting to share some of this configuration information between multiple apps. When I put configurationSource tag in the web.config, and read the configuration through the WebConfigurationManager object, it loads some of the external config info (Logging) but not the connectionStrings and not the custom section I created. So its reading it (logging is working), but some dots aren't being connected and my connection strings aren't coming through. Again, it worked when it was all in the web.config. Any idea what needs to change to be able to reference an external configuration source and have it all come through? [Code that accesses web.config] Configuration webConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~"); ConnectionStringSettingsCollection connectionStrings = System.Web.Configuration.WebConfigurationManager.ConnectionStrings; [web.config] <configuration> <configSections> <section name="enterpriseLibrary.ConfigurationSource" type="Microsoft.Practices.EnterpriseLibrary.Common.Configuration.ConfigurationSourceSection, Microsoft.Practices.EnterpriseLibrary.Common, Version=4.1.0.0, Culture=neutral, PublicKeyToken=74025d8738dfe4ce" /> <sectionGroup name="system.web.extensions" type="System.Web.Configuration.SystemWebExtensionsSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"> <section name="jsonSerialization" type="System.Web.Configuration.ScriptingJsonSerializationSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="Everywhere" /> <section name="profileService" type="System.Web.Configuration.ScriptingProfileServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="authenticationService" type="System.Web.Configuration.ScriptingAuthenticationServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> <section name="roleService" type="System.Web.Configuration.ScriptingRoleServiceSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" /> </sectionGroup> </sectionGroup> </sectionGroup> </configSections> <enterpriseLibrary.ConfigurationSource selectedSource="File Configuration Source"> <sources> <add name="File Configuration Source" type="Microsoft.Practices.EnterpriseLibrary.Common.Configuration.FileConfigurationSource, Microsoft.Practices.EnterpriseLibrary.Common, Version=4.1.0.0, Culture=neutral, PublicKeyToken=74025d8738dfe4ce" filePath="C:\MSEAB\MSEAB.config" /> </sources> </enterpriseLibrary.ConfigurationSource> ... ... </configuration> [external MSEAB.config] <configuration> <configSections> <section name="loggingConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.LoggingSettings, Microsoft.Practices.EnterpriseLibrary.Logging, Version=4.1.0.0, Culture=neutral, PublicKeyToken=74025d8738dfe4ce" /> <section name="dataConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Data.Configuration.DatabaseSettings, Microsoft.Practices.EnterpriseLibrary.Data, Version=4.1.0.0, Culture=neutral, PublicKeyToken=74025d8738dfe4ce" /> <sectionGroup name="customSectionGroup"> <section name="customSection" type="app.customSection" allowLocation="true" allowDefinition="Everywhere" /> </sectionGroup> </configSections> <loggingConfiguration name="Logging Application Block" tracingEnabled="true" defaultCategory="General" logWarningsWhenNoCategoriesMatch="true"> ... </loggingConfiguration> <connectionStrings> <clear /> <add name="DB.DEV" connectionString="User ID=user;Password=pwd;Data Source=DV408;" providerName="Oracle.DataAccess.Client"/> <add name="DB.TEST" connectionString="User ID=user;Password=pwd;Data Source=TS408;" providerName="Oracle.DataAccess.Client"/> ... </connectionStrings> <customSectionGroup> <customSection notificationemail="[email protected]" dirPath="C:\Dir" initialrowlimit="500" maxrowlimit="1500" adminadgroup="_admins"> </customSection> </customSectionGroup> </configuration>

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  • How to not specify ruleset name when reading from config file?

    - by user102533
    When I read rules from a configuration file, I do something like this: IConfigurationSource configurationSource = new FileConfigurationSource("myvalidation.config"); var validator = ValidationFactory.CreateValidator<Salary>(configurationSource); The config file looks like this: <ruleset name="Default"> <properties> <property name="Address"> <validator lowerBound="10" lowerBoundType="Inclusive" upperBound="15" upperBoundType="Inclusive" negated="false" messageTemplate="" messageTemplateResourceName="" messageTemplateResourceType="" tag="" type="Microsoft.Practices.EnterpriseLibrary.Validation.Validators.StringLengthValidator, Microsoft.Practices.EnterpriseLibrary.Validation, Version=4.1.0.0, Culture=neutral, PublicKeyToken=null" name="String Length Validator" /> </property> </properties> </ruleset> My question is - is there a way to not specify the ruleset name? It's not required for me to specify a ruleset name if I am using the attribute approach and I can validate using: ValidationResults results = Validation.Validate(salary); Now when reading from config files, I have to specify the ruleset name. There is no overload of the CreateValidator method that accepts the configuration source without specifying the ruleset name. Also, the xml in the config file requires a name attribute for ruleset

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  • Performance of Java matrix math libraries?

    - by dfrankow
    We are computing something whose runtime is bound by matrix operations. (Some details below if interested.) This experience prompted the following question: Do folk have experience with the performance of Java libraries for matrix math (e.g., multiply, inverse, etc.)? For example: JAMA: http://math.nist.gov/javanumerics/jama/ COLT: http://acs.lbl.gov/~hoschek/colt/ Apache commons math: http://commons.apache.org/math/ I searched and found nothing. Details of our speed comparison: We are using Intel FORTRAN (ifort (IFORT) 10.1 20070913). We have reimplemented it in Java (1.6) using Apache commons math 1.2 matrix ops, and it agrees to all of its digits of accuracy. (We have reasons for wanting it in Java.) (Java doubles, Fortran real*8). Fortran: 6 minutes, Java 33 minutes, same machine. jvisualm profiling shows much time spent in RealMatrixImpl.{getEntry,isValidCoordinate} (which appear to be gone in unreleased Apache commons math 2.0, but 2.0 is no faster). Fortran is using Atlas BLAS routines (dpotrf, etc.). Obviously this could depend on our code in each language, but we believe most of the time is in equivalent matrix operations. In several other computations that do not involve libraries, Java has not been much slower, and sometimes much faster.

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  • Maven - Include dependent libs in jar without unpacking dependencies?

    - by Marcus
    We're trying to build a client jar that includes unpacked depenedent jar's. And the manifest should have class-path entries to the dependent jars. The snippet below works but the jars are unpacked - how can we stop the jars from being unpacked? <plugin> <artifactId>maven-assembly-plugin</artifactId> <configuration> <descriptorRefs> <descriptorRef>jar-with-dependencies</descriptorRef> </descriptorRefs> <archive> <manifest> <addClasspath>true</addClasspath> </manifest> </archive> </configuration> <executions> <execution> <id>make-assembly</id> <phase>package</phase> <goals> <goal>single</goal> </goals> </execution> </executions> </plugin>

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  • Using .lib and .dll files in Linux

    - by smile
    Hi all, I have to make a project to run successfully on a Linux machine. Right now my project works very well on windows machine. On Windows machine it is compiling and working fine. My project is using one ".lib" and one ".dll" file to do the tasks successfully on Windows. Can i use the same .lib file and .dll file on linux machine to build the project successfully? I am compiling the project with G++ and using GNU Makefile to do the task. What should i do in the case that i can not use the .LIB and .DLL file on Linux machine. Thanks in advance Shivakumar.Konidela

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  • Printing contents of a div

    - by Hulk
    The contents of the following div re derived dynamically. i.e, A table is added dynamically to this div with some button .My question is how to print the content of this div(window.print) and not other things in the page <div id="newdiv" name="newdiv"></div> Thanks..............

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  • chaining array of tasks with continuation

    - by Andrei Cristof
    I have a Task structure that is a little bit complex(for me at least). The structure is: (where T = Task) T1, T2, T3... Tn. There's an array (a list of files), and the T's represent tasks created for each file. Each T has always two subtasks that it must complete or fail: Tn.1, Tn.2 - download and install. For each download (Tn.1) there are always two subtasks to try, download from two paths(Tn.1.1, Tn.1.2). Execution would be: First, download file: Tn1.1. If Tn.1.1 fails, then Tn.1.2 executes. If either from download tasks returns OK - execute Tn.2. If Tn.2 executed or failed - go to next Tn. I figured the first thing to do, was to write all this structure with jagged arrays: private void CreateTasks() { //main array Task<int>[][][] mainTask = new Task<int>[_queuedApps.Count][][]; for (int i = 0; i < mainTask.Length; i++) { Task<int>[][] arr = GenerateOperationTasks(); mainTask[i] = arr; } } private Task<int>[][] GenerateOperationTasks() { //two download tasks Task<int>[] downloadTasks = new Task<int>[2]; downloadTasks[0] = new Task<int>(() => { return 0; }); downloadTasks[1] = new Task<int>(() => { return 0; }); //one installation task Task<int>[] installTask = new Task<int>[1] { new Task<int>(() => { return 0; }) }; //operations Task is jagged - keeps tasks above Task<int>[][] operationTasks = new Task<int>[2][]; operationTasks[0] = downloadTasks; operationTasks[1] = installTask; return operationTasks; } So now I got my mainTask array of tasks, containing nicely ordered tasks just as described above. However after reading the docs on ContinuationTasks, I realise this does not help me since I must call e.g. Task.ContinueWith(Task2). I'm stumped about doing this on my mainTask array. I can't write mainTask[0].ContinueWith(mainTask[1]) because I dont know the size of the array. If I could somehow reference the next task in the array (but without knowing its index), but cant figure out how. Any ideas? Thank you very much for your help. Regards,

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  • wcf generated classes and validation application block attributes

    - by Shaboboo
    Hi, I'm new to the validation application block and trying to use it with wcf... I have a wcf service that has data objects with validation rules defined with attributes, using the validation application block . On my client side (WPF), I have a service reference. When I update the service reference the generated classes do not have the validation rules attributes in them. How can I get the rules from the service? Am I missing some step, or is it not possible?

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