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• Client-side framework for web-app with good audio support

  - by Poita_

  I'm trying to create a client-side web app that generates music procedurally using some user-input parameters, so I'm looking for a framework (e.g. Flash, Silverlight etc.) that has the capability to play audio at a specified pitch. Whether it is playing a WAV/MP3 file, using MIDI output, or just playing beeps doesn't really matter -- I just need something that will enable me to generate arbitrary music client-side. I've done a bit of searching and it appears that Flash might have the ability to change pitch with the help of a third-part plugin, but I couldn't find anything similar for Silverlight. I can go a try all them out manually if need be, but I thought I'd ask here first just in case anyone had tried something like this before. Thanks in advance

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• Extending Windows Desktop using C#

  - by Lijo

  Hi Team, I am trying to customize my Windows XP’s desktop using C# code. This is my first venture of this kind. Could you please point me to some documentation that will Give the names of classes that can be used for extending/customizing Windows’ desktop Some example code What I am trying to do specifically is as follows I am planning to customize the desktop. When I unlock my computer (by entering user name and password) the files should come(by flying) into their required places. Initially the files are to be located in the right end corner. Thanks Lijo Cheeran Joseph

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• Linux, how to capture screen, and simulate mouse movements.

  - by 2di

  Hi All I need to capture screen (as print screen) in the way so I can access pixel color data, to do some image recognition, after that I will need to generate mouse events on the screen such as left click, drag and drop (moving mouse while button is pressed, and then release it). Once its done, image will be deleted. Note: I need to capture whole screen everything that user can see, and I need to simulate clicks outside window of my program (if it makes any difference) Spec: Linux ubuntu Language: C++ Performance is not very important,"print screen" function will be executed once every ~10 sec. Duration of the process can be up to 24 hours so method needs to be stable and memory leaks free (as usuall :) I was able to do in windows with win GDI and some windows events, but I'ev no idea how to do it in Linux. Thanks a lot

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• PVM terminates after Adding Host

  - by Tyug

  On Ubuntu 9.10 using PVM 3.4.5-12 (the PVM package when you use apt-get) The program terminates after adding a host. laptop> pvm pvm> add bowtie-slave add bowtie-slave terminated laptop> Current Configuration only $PVM_RSH = bin/usr/ssh I can ssh perfectly fine into the slave without a password, and run commands on it. Any ideas? Thanks in advance! Here are the sample logs: Laptop log [t80040000] 02/11 10:23:32 laptop (127.0.1.1:xxxxx) LINUX 3.4.5 [t80040000] 02/11 10:23:32 ready Thu Feb 11 10:23:32 2010 [t80040000] 02/11 10:23:32 netoutput() sendto: errno=22 [t80040000] 02/11 10:23:32 em=0x2c24f0 [t80040000] 02/11 10:23:32 [49/à][6e/à][76/à][61/à][6c/à][69/à][64/à][20/à][61/à][72/à] [t80040000] 02/11 10:23:32 netoutput() sendto: Invalid argument [t80040000] 02/11 10:23:32 pvmbailout(0) bowtie-log [t80080000] 02/11 10:23:25 bowtie-slave (xxx.x.x.xxx:xxxxx) LINUX64 3.4.5 [t80080000] 02/11 10:23:25 ready Thu Feb 11 10:23:25 2010 [t80080000] 02/11 10:28:26 work() run = STARTUP, timed out waiting for master [t80080000] 02/11 10:28:26 pvmbailout(0)

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• Generating Dynamic web pages without server side scripting

  - by Microkernel

  Hi guys, I am trying to control a media device which has lot of multimedia content that it can play using another device(remote control device) like an ipad connected to the LAN. (UPnP) I want the media device to be able to send the content listing to the remote device so that it will be rendered as a webpage on the remote controller. And actions on the webpages needs to be sent to the the device as commands to execute (like play, pause, next etc). The media device is an embedded device, hence can't have any server side scripting, all has to be done on the client side. I want the page rendered to be HTML5. So, is it possible to generate dynamic HTML5 pages using just client side scripting? Thanks a lot. I am an embedded systems developer hence clueless about the web designing stuff.

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• Code understanding, reverse engineering, best concepts and tools. Java.

  - by core07

  One of most demanding tasks for any programmer, architect is understanding other's code. E.g. I am contractor, hired to rescue some project very quickly. Fix bugs, plan global refactoring and therefore I need most efficient way to understand the code. What is the list of concepts, their priority and best tools for this? Of what I know: reverse code engineering to create object models (creating of diagram per package is not so convenient), create sequence diagrams (the tool connects in debug mode to the system and generates diagrams from runtime). Some visualizing techniques, using some tools to work not just with .java but also with e.g. JPA implementors like Hibernate. Generate diagram for not all the codebase, but add some class and then classes used by it. Is Sparx Enterprise Architect state of the art in reverse engineering or far from that. Any other better tools? Ideally would be that tool makes me understand the code as if I wrote it myself :)

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• Link XSL Style Sheet to XForms generated XML document

  - by iHeartGreek

  Hi! Through XForms, I generate an XML document. I need this XML document to be transformed by a specific XSL. How do I link the XSL to the XML through XForms? Example of link: <?xml-stylesheet type="text/xsl" href="test.xsl"?> (The XML doc gets regenerated every time the XForms submits to it.. so I cannot hardcode the link in the XML doc, in needs to be done through the XForms) Thanks!

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• Rails: Generated tokens missing occasionally

  - by Vincent Chan

  We generate an unique token for each user and store it on database. Everything is working fine in the local environment. However, after we upload the codes to the production server on Engine Yard, things become weird. We tried to register an account right after the deploy. It is working fine and we can see the token in the db. But after that, when we register new accounts, we cannot see any tokens. We only have NULL in the db. Not sure what caused this problem because we can't re-produce this in the local machine. Thanks for your help.

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• Manual metrics and treemap components

  - by Greg

  I have a problem with SonarQube. I use web API to inject manual metrics values for a project like this : curl -u nom:password -d "resource=<projet>&metric=<key de la metric>&val=<valeur>" http://localhost:8081/sonar/api/manual_measures One of these metrics is a percentage and this metric is declared as a Percentage value in Sonar in Settings = Manual Metrics window. I have a project with components and each project and components have this metric value. When I want to show this metric as a color metric in a "treemap of components" of widget, all the treemap is grey (as if values are not defined). But if I put mouse on the name of component in treemap, I saw the color metric value as a percentage value like this : myComponent - ncloc: 800 - myMetric: 84,0% Moreover, scale metric color does not appear in treemap title (after Size ncloc Color <my metric>).

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• Building 'flat' rather than 'tree' LINQ expressions

  - by Ian Gregory

  I'm using some code (available here on MSDN) to dynamically build LINQ expressions containing multiple OR 'clauses'. The relevant code is var equals = values.Select(value => (Expression)Expression.Equal(valueSelector.Body, Expression.Constant(value, typeof(TValue)))); var body = equals.Aggregate<Expression>((accumulate, equal) => Expression.Or(accumulate, equal)); This generates a LINQ expression that looks something like this: (((((ID = 5) OR (ID = 4)) OR (ID = 3)) OR (ID = 2)) OR (ID = 1)) I'm hitting the recursion limit (100) when using this expression, so I'd like to generate an expression that looks like this: (ID = 5) OR (ID = 4) OR (ID = 3) OR (ID = 2) OR (ID = 1) How would I modify the expression building code to do this?

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• Inject WCF proxy with credentials using StructureMap

  - by Steve Horn

  I have a service proxy generated by svcutil which generated an interface(IStudentContract) and a concrete type implementing (StudentContractClient). I'd like to have instances of StudentContractClient injected into my classes via StructureMap. My proxy also needs to have credentials supplied as seen in this passing unit test: <Test()> _ Public Sub Then_the_web_service_call_should_not_throw_an_exception() Dim studentServiceProxy As New StudentContractClient Dim credential As New NetworkCredential credential.Domain = ConfigurationManager.AppSettings("something") credential.UserName = ConfigurationManager.AppSettings("something") credential.Password = ConfigurationManager.AppSettings("something") studentServiceProxy.ClientCredentials.Windows.ClientCredential = credential Dim result = studentServiceProxy.GetCurrentTeachersByStudentSepid(26899) result.Count.ShouldEqual(4) End Sub My question is what would the structuremap configuration look like to have instances of IStudentContract injected with the credentials supplied? Thanks for any help!

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• Detecting regional settings (List Separator) from web

  - by Toms Mikoss

  After having the unpleasant surprise that Comma Seperated Value (CSV) files are not necessarily comma-separated, I'm trying to find out if there is any way to detect what the regional settings list separator value is on the client machine from http request. Scenario is as follows: A user can download some data in CSV format from web site (RoR, if it matters). That CSV file is generated on the fly, sent to the user, and most of the time double-clicked and opened in MS Excel on Windows machine at the destination. Now, if the user has ',' set as the list separator, the data is properly arranged in columns, but if any other separator (';' is widely used here) is set, it all just gets thrown into a single column. So, is there any way to detect what separator is used on the client machine, and generate the file accordingly? I have a sinking feeling that it is not, but I'd like to be sure before I pass the 'can't be done, sorry' line to the customer :)

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• How to make SOAP WSDL request in Objective-C ?

  - by Biranchi

  Hi all, I have a WSDL script which has the following format <definitions name="ProcessData" targetNamespace="urn:ProcessData"> <message name="CreateAccount"> <part name="firstName" type="xsd:string"/> <part name="lastName" type="xsd:string"/> <part name="password" type="xsd:string"/> <part name="emailAddress" type="xsd:string"/> <part name="sendEmail" type="xsd:string"/> <part name="key" type="xsd:string"/> </message> <message name="CreateAccountResponse"> <part name="result" type="xsd:string"/> </message> <definitions> How to make SOAP WSDL request in Objective-C and get the resonse ? Thanks

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• How can I get JavaDoc into a JunitReport?

  - by benklaasen

  Hi - I'm a tester, with some Java and plenty of bash coding experience. My team is building an automated functional test harness using JUnit 4 and ant. Testers write automated tests in Java and use JavaDoc to document these tests. We're using ant's JunitReport task to generate our test result reports. This works superbly for reporting. What we're missing, however, is a way to combine those JavaDoc free-text descriptions of what the test does along with the JunitReport results. My question is, what's involved to get the JavaDoc into the JunitReport output? I'd like to be able to inject the JavaDoc for a given test method into the JunitReport at the level of each method result. regards Ben

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• How to transfer binary data through multiple http server?

  - by solotim

  Well, the question is not intended to be that big. Let me explain the scenario: I have two http servers. server A is accessible to end user by web browser, while server B is internal server which can only be accessed by server A. If server B generate some big jpeg image in local disk, obviously we can't just delivery those path to image to server A and eventually to end user. Then, how to let end user see those image without firstly storing those image data in server A temporarily? I run PHP on server A and perl on server B, but this should not matter. I need a general pattern for implementing this.

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• Are view models used in rails?

  - by Valentin Vasilyev

  I'm starting to develop a small application in ruby on rails and many questions arise. I should say that I have about 1 year of experience with ASP.NET MVC and feel at home with models views and controllers. I've been using view models extensively (with the help of AutoMapper) and now wondering if view models are used similarly in rails camp. From various examples (rails casts mainly) I've gathered that it is common to either combine data from multiple models right in your view (which is frowned upon in ASP.NET MVC), or to use virtual attributes on models to obtain "missing" data. I know that business model should not be modelled after UI needs, for example there should not be a 'password confirm' property in your model, this should be a view model property. Rails virtual properties seem to violate this principle. How is it done in rails? Thanks.

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• C# Windows Service Access denied when trying to write in a folder

  - by Joseph Ghassan

  Hi guys, I have deployed successfully a C# windows service on a windows 7 machine. Now, when I try to create a file using this code : FileStream os = new FileStream(String.Format(folderName, fileName), FileMode.Create); I get Access to filepath is denied. In the service Installer I set the following parameters to : this.serviceProcessInstaller1.Account = System.ServiceProcess.ServiceAccount.LocalSystem; this.serviceProcessInstaller1.Password = "Pass"; this.serviceProcessInstaller1.Username = "Administrator" I added all the possible accounts with Full permissions to the folder where I want to create the file but nothing helped. Any suggestions would be highly appreciated

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• How to open save dialog box for saving pdf

  - by Mutturaj Bali

  I truly appreciate your suggestions. I am using MVC3 and I want user to save to his own path by opening a dialog with password protected. Can you guys please help me on this. Below is my code: mydoc.GenerateLetter(PdfData); string WorkingFolder = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments); using (MemoryStream m = new MemoryStream()) { m.Write(mydoc.DocumentBytes, 0, mydoc.DocumentBytes.Length); m.Seek(0, SeekOrigin.Begin); string OutputFile = Path.Combine(WorkingFolder, PdfData.Name + ".pdf"); using (Stream output = new FileStream(OutputFile, FileMode.Create, FileAccess.Write, FileShare.None)) { PdfReader reader = new PdfReader(m); PdfEncryptor.Encrypt(reader, output, true, "abc123", "secret", PdfWriter.ALLOW_SCREENREADERS); } }

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• Are TestContext.Properties read only ?

  - by DBJDBJ

  Using Visual Studio generate Test Unit class. Then comment out class initialization method. Inside it add your property, using the testContext argument. //Use ClassInitialize to run code before running the first test in the class [ClassInitialize()] public static void MyClassInitialize(TestContext testContext) { /* * Any user defined testContext.Properties * added here will be erased upon this method exit */ testContext.Properties.Add("key", 1 ) ; // above works but is lost } After leaving MyClassInitialize, properties defined by user are lost. Only the 10 "official" ones are left. This effectively means TestContext.Properties is read only, for users. Which is not clearly documented in MSDN. Please discuss. --DBJ

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• How to send argument securely using Process class?

  - by Sebastian

  Hello, I'm using System.Diagnostics.Process to execute an svn command from a windows console application. This is the configuration of the process: svn.StartInfo.FileName = svnPath; svn.StartInfo.Arguments = string.Format("copy {0}/trunk/ {0}/tags/{1} -r head -q --username {3} --password {4} -m \"{2}\"", basePathToRepo, tagName, message, svnUserName, svnPassword); svn.StartInfo.UseShellExecute = false; svn.Start(); svn.WaitForExit(); My problem is that those arguments, which include the svn credentials, are sent (I suppose) in an unsecure way. Is there a way to send these arguments in a secure way using the Process class? Thanks!

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• Network Load Balancing (NLB): is it suitable for "stateful" ASP.NET applications?

  - by micha12

  Hi everybody, I have posted the following question concerning ASP.NET web farms. http://stackoverflow.com/questions/1816756/how-to-create-an-asp-net-web-farm/ Guys recommended using Network Load Balancing (NLB) as a primary way of creating a web farm. However, Wikipedia says that "NLBS is intended for ... stateless applications". Our web application, however, is absolutely "stateful": it is a closed site to which users will have access by login and password, and information for every user will be different: people will see their own trades and operations. Should we still use NLB in this scenario? Thank you.

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• Improve a haskell script

  - by Hector Villalobos

  I'm a newbie in Haskell and I'd like some opinions about improving this script. This is a code generator and requires a command line argument to generate the sql script. ./GenCode "people name:string age:integer" Code: import Data.List import System.Environment (getArgs) create_table :: String -> String create_table str = "CREATE TABLE " ++ h (words str) where h (x:xs) = let cab = x final = xs in x ++ "( " ++ create_fields xs ++ ")" create_fields (x:xs) = takeWhile (/=':') x ++ type x ++ sig where sig | length xs > 0 = "," ++ create_fields xs | otherwise = " " ++ create_fields xs create_fields [] = "" type x | isInfixOf "string" x = " CHARACTER VARYING" | isInfixOf "integer" x = " INTEGER" | isInfixOf "date" x = " DATE" | isInfixOf "serial" x = " SERIAL" | otherwise = "" main = mainWith where mainWith = do args <- getArgs case args of [] -> putStrLn $ "You need one argument" (x:xs) -> putStrLn $ (create_table x)

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• Mapping java.util.Date to xs:date instead of xs:dateTime in JAX-WS

  - by Larsing

  Hi all, We hav an EJB, jws-anotated as a web service. It has a pretty complex pojo-model that generates an equally complex xsd. The pojos contain numerous java.util.Date. These all map to xs:dateTime. This service is used as "business service" in Oracle(BEA) OSB(AquaLogic). We also have a "proxy service" which we map to the BS with XQuery (the OSB/AquaLogic way). The proxy service's xsd has xs:date for the corresponding fields. For some reason, Oracle's implementation of XQuery does not support casting from xs:date to xs:dateTime(!). I could solve this by casting to xs:string and concat:ing with "T00:00:00", however, i would rather try to get JAX-WS to generate an xsd with xs:date instead. Only, I can't find any info on how to do this (anotations?). Can anyone give me a hint? Kind regards, Lars

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• How does one encrypt site passwords for a Dreamweaver export file?

  - by ngreenwood6

  We have over 500 sites that we host. All of their ftp information is in a database. Whenever one of our programmers have to add a site they have to get all the info and set it up. However, I found that you can export them and it has all the info except for one problem. The password is encrypted. I am not trying to hack anything, I want to know how to encrypt our passwords so that we can import them using dreamweavers import feature. Can anyone tell me what encryption they use or a link on how to encrypt. I am not interested in decrypting at all because we already have all of them so it would not do me any good.

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• gethostbyname in C

  - by Matic

  I don't know how to write applications in C, but I need a tiny program that does: lh = gethostbyname("localhost"); output = lh->h_name; output variable is to be printed. The above code is used in PHP MongoDB database driver to get the hostname of the computer (hostname is part of an input to generate an unique ID). I'm skeptical that this will return the hostname, so I'd like some proof. Any code examples would be most helpful. Happy day, Matic

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