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• Consuming Web Services in Netbeans

  - by Seven

  Hi. I've setup a project in Netbeans 6.5 with some web services that I've created myself and some web services that I've imported from WSDL files. I've setup a couple of desktop application through Netbeans in order to consume these web services. I'm not too sure where to go from here. I have the GUI setup but not sure how to reference the web services so they can be consumed. I was wondering would anybody be able to guide me through this process or point me in the direction of a relevant tutorial. I'd also like to learn how to consume a web service through a JSP (also created in Netbeans) if possible. Thanks.

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• Why is QProcess converting the '=' in my arguments to spaces

  - by dagorym

  I've run into a weird error with a Qt program running on Windows. The program uses QProcess to spawn a child process wit two arguments. The program and arguments passed to the QProcess::start() method are of the form: "batchfile.bat" "--option1=some_value" "--option2=some_other_value\with_a\path" For some reason by the time those options get to the batchfile for processing the equals signs have been converted to spaces and it now looks like: "batchfile.bat" "--option1 some_value" "--option2 some_other_value\with_a\path" because of this, the processing fails. Any ideas what could be causing the equal signs to be replaced by spaces? I'm using the mingw build of the QT 4.6.3 framework found on the Qt download page.

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• Save downloaded content when in app purchase is complete

  - by jakob

  Hello experts! I have created an app which allows users to buy non-consumable content. The retrieving-ids-payment-process works like a charm. What i can't really figure out is how my content should be saved into the phone. The existing structure is that I have all my current content in Resources/packages/. For every package there is an matching entry in a package.plist. When the purchase is complete it is time to download the content from the server. What i retrieve from the server is a zip file with the new package that I have bought. My observer will call a method named provideContent: -(void) provideContent: (NSString*) productIdentifier { In here I will call my server and download the package } What i need from you guys is some sort of step by step walkthrough or tutorial of how, when the zip is retrieved(is zip allowed?), unpack this zip and add it to my current package structure. Thank you in advance

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• MS Excel - Copying columns from multiple worksheets into a single worksheet based on some condition

  - by SpikETidE

  Hi everyone... Consider i have 4 workbooks with the following structure... 1. Main.xlsx Name Jan Feb Mar A B C 2. Jan.xlsx Name Jan A 3.3 B 6.4 C 5.3 3. Feb.xlsx Name Feb A 1.3 B 3.4 C 5.5 4. Mar.xlsx Name Mar A 1.3 B 3.4 C 5.5 I need to combine them like 1. Main.xlsx Name Jan Feb Mar A 3.3 1.3 1.3 B 6.4 3.4 3.4 C 5.3 5.5 5.5 And i need to automate the process... Can someone enlighten me about the possible options that i have to do this...? Thanks for your time....

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• C# Is it possible to interrupt a specific thread inside a ThreadPool?

  - by Lirik

  Suppose that I've queued a work item in a ThreadPool, but the work item blocks if there is no data to process (reading from a BlockingQueue). If the queue is empty and there will be no more work going into the queue, then I must call the Thread.Interrupt method if I want to interrupt the blocking task, but how does one do the same thing with a ThreadPool? The code might look like this: void Run() { try { while(true) { blockingQueue.Dequeue(); doSomething(); } } finally { countDownLatch.Signal(); } } I'm aware that the best thing to do in this situation is use a regular Thread, but I'm wondering if there is a ThreadPool equivalent way to interrupt a work item.

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• Request header is too large

  - by stck777

  I found serveral IllegalStateException Exception in the logs: [#|2009-01-28T14:10:16.050+0100|SEVERE|sun-appserver2.1|javax.enterprise.system.container.web|_ThreadID=26;_ThreadName=httpSSLWorkerThread-80-53;_RequestID=871b8812-7bc5-4ed7-85f1-ea48f760b51e;|WEB0777: Unblocking keep-alive exception java.lang.IllegalStateException: PWC4662: Request header is too large at org.apache.coyote.http11.InternalInputBuffer.fill(InternalInputBuffer.java:740) at org.apache.coyote.http11.InternalInputBuffer.parseHeader(InternalInputBuffer.java:657) at org.apache.coyote.http11.InternalInputBuffer.parseHeaders(InternalInputBuffer.java:543) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.parseRequest(DefaultProcessorTask.java:712) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:577) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:831) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214) at com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:380) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265) at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106) |#] Does anybody know configuration changes to fix this?

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• Sending and Receiving data through SOAP web service in .Net

  - by Nikhil Thaker

  I am working on a client - server application and in which I used to send and receive data through SOAP web service. Now after sometimes I have heard from someone that I might lost some data while this process on soap service created in ASP.net. So now I have decided to send and receive data through batches like first I will send List of 50 objects and then next 50 and so on... Now I am new to web services and all. So my question is "Is it true that we can lost some data sometimes while transferring it through SOAP web service?"

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• What to do of exceptions when implementing java.lang.Iterator

  - by Vincent Robert

  The java.lang.Iterator interface has 3 methods: hasNext, next and remove. In order to implement a read-only iterator, you have to provide an implementation for 2 of those: hasNext and next. My problem is that these methods does not declare any exceptions. So if my code inside the iteration process declares exceptions, I must enclose my iteration code inside a try/catch block. My current policy has been to rethrow the exception enclosed in a RuntimeException. But this has issues because the checked exceptions are lost and the client code no longer can catch those exceptions explicitly. How can I work around this limitation in the Iterator class? Here is a sample code for clarity: class MyIterator implements Iterator { @Override public boolean hasNext() { try { return implementation.testForNext(); } catch ( SomethingBadException e ) { throw new RuntimeException(e); } } @Override public boolean next() { try { return implementation.getNext(); } catch ( SomethingBadException e ) { throw new RuntimeException(e); } } ... }

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• Anyone get mach_inject working on snow leopard?

  - by overboming

  Project is now on github and here is the link to my issue I successfully compiled the whole thing and able to run rejector and rejectee separately. But the injector will crash the injectee when injecting code to the target process. mach_inject_test_injectee.app 's standard output: mach error on bundle load (os/kern) successful mach error on bundle load (os/kern) successful mach error on bundle load (os/kern) successful mach error on bundle load (os/kern) successful mach error on bundle load (os/kern) successful FS rep /Users/Malic/Documents/Code/c/mach_star/mach_inject_test/build/Development/mach_inject_test_injector.app/Contents/Resources/mach_inject_test_injected.bundle/Contents/MacOS/mach_inject_test_injected LOADDDDDDDDDD! Assertion failed: (0), function +[injected_PrincipalClass load], file /Users/Malic/Documents/Code/c/mach_star/mach_inject_test/injected-PrincipalClass.m, line 25. Abort trap mach_inject_test_injector 's standard output injecting into pid 3680 injecting pid mach_inject failing.. (os/kern) successful mach inject done? 0 hi It seems from the output the injector is not notified from the injectee, any ideas? thanks.

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• System.IndexOutOfRange Exception Sending Gridview Values to DataTable

  - by SidC

  Hello, I am writing an ASP.NET 3.5 application and need to send gridview values to a datatable for use in a listbox control as part of a quote process. I have written the following VB code in my Page_Load: Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim dtSelParts As DataTable = New DataTable("dtSelParts") Dim column As DataColumn = New DataColumn column.ColumnName = "PartName" column.ColumnName = "PartNumber" column.ColumnName = "Quantity" dtSelParts.Columns.Add(column) For Each row As GridViewRow In MySearch.Rows Dim drSelParts As DataRow drSelParts = dtSelParts.NewRow() For i As Integer = 0 To row.Cells.Count - 1 drSelParts(i) = row.Cells(i).Text Next Next End Sub When I run the partsearch.aspx page, I enter values in the row textbox for parts I want included in the listbox (to be included in quote). However, I receive the error message System.Index.OutOfRangeException: Cannot find column 1 which occurs on the line drSelParts(i) = row.Cells(i).Text. How might I correct the code and resolve the error? Thanks, Sid

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• How to refresh to entire device's screen (Windows Mobile)?

  - by walidad

  Hi everybody, I'm working on a simple application that draws an alpha-blended picture on the screen's Device Context every 2 secs, I want to refresh the screen contents before the drawing operation (To erase the drawn pic), I have used many many trick but unfortunately, the screen won't refresh correctly, some regions still keep portions of the drawn pic I'm really frustrated from this issue :( These are the sources codes I have used, I'm using C# SendMessage(HWND_BROADCAST, WM_SYSCOLORCHANGE, IntPtr.Zero, IntPtr.Zero); // wasted time in the refreshing process is enough to keep this. UpdateWindow(HWND_BROADCAST);// does not work at all! InvalidateRect(IntPtr.Zero,IntPtr.Zero,true); // the same goes here. SendMessage(HWND_BROADCAST, WM_PAINT, IntPtr.Zero, IntPtr.Zero); // pfffff ! SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, new IntPtr(SPI_SETNONCLIENTMETRICS), IntPtr.Zero); // trying to refresh the explorer, no resutl I used also EnumWindows and call back , very slow and does not fit my case. I wanna refresh the whole screen Help please! Regards Waleed

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• What might cause ruby to lock up while exiting?

  - by user30997

  I have a ruby script that does a few perforce operations (through the scripting API) then simply ends: def foo() ... end def bar() ... end foo() bar() puts __LINE__ exit 0 #end of file ...and while the LINE will print out, the process never ends, whether the exit(0) is there or not. This is ruby 1.8.6, primarily on the mac, but I'm seeing this on the PC as well. I'm doing the usual google poking around, but hoped there might be a voice of experience here to bank on. Thanks.

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• Testing complex entities

  - by Carlos

  I've got a C# form, with various controls on it. The form controls an ongoing process, and there are many, many aspects that need to be right for the program to run correctly. Each part can be unit tested (for instance, loading some coefficients, drawing some diagnostics) but I often run into problems that are best described with an example: "If I click here, then here, then change this, then re-open the form, then click here, it crashes or produces an error" I've tried my best to use common code organisational ideas (inheritance, DRY, separation of concerns) but there never seems to be a way to test every single path, and inevitably, a form with several controls will have a huge number of ways to execute. What can I read (preferably online) that addresses this kind of issue, and is there a (non-generic) term for it. This isn't a specific problem I'm having, but one that creeps up on me, especially with WinForms.

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• Processing files with C# in folders whose names contain spaces

  - by Nigel Ainscoe

  There are plenty of C# samples that show how to manipulate files and directories but they inevitably use folder paths that contain no spaces. In the real world I need to be able to process files in folders with names that contain spaces. I have written the code below which shows how I have solved the problem. However it doesn't seem to be very elegant and I wonder if anyone has a better way. class Program { static void Main(string[] args) { var dirPath = @args[0] + "\\"; string[] myFiles = Directory.GetFiles(dirPath, "*txt"); foreach (var oldFile in myFiles) { string newFile = dirPath + "New " + Path.GetFileName(oldFile); File.Move(oldFile, newFile); } Console.ReadKey(); } } Regards, Nigel Ainscoe

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• Processing file uploads before object is saved

  - by Dominic Rodger

  I've got a model like this: class Talk(BaseModel): title = models.CharField(max_length=200) mp3 = models.FileField(upload_to = u'talks/', max_length=200) seconds = models.IntegerField(blank = True, null = True) I want to validate before saving that the uploaded file is an MP3, like this: def is_mp3(path_to_file): from mutagen.mp3 import MP3 audio = MP3(path_to_file) return not audio.info.sketchy Once I'm sure I've got an MP3, I want to save the length of the talk in the seconds attribute, like this: audio = MP3(path_to_file) self.seconds = audio.info.length The problem is, before saving, the uploaded file doesn't have a path (see this ticket, closed as wontfix), so I can't process the MP3. I'd like to raise a nice validation error so that ModelForms can display a helpful error ("You idiot, you didn't upload an MP3" or something). Any idea how I can go about accessing the file before it's saved? p.s. If anyone knows a better way of validating files are MP3s I'm all ears - I also want to be able to mess around with ID3 data (set the artist, album, title and probably album art, so I need it to be processable by mutagen).

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• NServiceBus is blocking when hosted in ASP.NET web application

  - by Dale Niemeyer

  Hello, I created a simple web application where a search form is filled out, submit button clicked, and a message is sent with the search parameters via nServiceBus. I also have a handler in the same project that picks up the message (from the same queue). For some reason, the web server process blocks until after the message is picked up, is there any reason for this? I set a breakpoint in the message handler and it breaks before the request finishes... locking the browser until I allow the code to continue. I would expect control to return to the browser regardless of when the handler gets fired... Thanks, D.Niemeyer

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• How do I use the Silicon Laboratories IDE with SDCC?

  - by David Cary

  I'm thinking about using a microcontroller with an 8051 core from Silicon Laboratories. I hope that I can use C rather than assembly language, so I installed SDCC. I installed the "Silicon Laboratories IDE" to download the executable binaries to the on-chip Flash program memory. It also supposedly can be set up (under the Project Tool Chain Integration menu) to use "any" 8051 compiler. I tried to set it up to use SDCC, but every time I hit the "Assemble/Compile File" button it tells me "Compiler process did not sucessfully complete." How do I get new C code I write onto the SiLabs C8051F310 chip? Is there a web site with a step-by-step HOWTO? (Would it be easier to use a MAKEFILE that calls SDCC, only using the "Silicon Laboratories IDE" for the very last step of downloading the executable binary to the chip?)

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• Implicit casting Integer calculation to float in C++

  - by Ziddiri

  Is there any compiler that has a directive or a parameter to cast integer calculation to float implicitly. For example: float f = (1/3)*5; cout << f; the "f" is "0", because calculation's constants(1, 3, 10) are integer. I want to convert integer calculation with a compiler directive or parameter. I mean, I won't use explicit casting or ".f" prefix like that: float f = ((float)1/3)*5; or float f = (1.0f/3.0f)*5.0f; Do you know any c/c++ compiler which has any parameter to do this process without explicit casting or ".f" thing?

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• Key logging in .NET

  - by Moshe

  Is it possible to write a key logger in Visual Basic.NET? Is this the right language to be using? So far, I've gotten a console app to read input and append to a file. 1)How can I make a .NET program "catch" all keyboard input? 2)How do I make a process not show up in Task Manager? This is not for a virus, but rather a parental control program for a specific clientele. No malicious intent here.

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• Java object caching, which is faster, reading from a file or from a remote machine?

  - by Kumar225

  I am at a point where I need to take the decision on what to do when caching of objects reaches the configured threshold. Should I store the objects in a indexed file (like provided by JCS) and read them from the file (file IO) when required or have the object stored in a distributed cache (network, serialization, deserialization) We are using Solaris as OS. ============================ Adding some more information. I have this question so as to determine if I can switch to distributed caching. The remote server which will have cache will have more memory and better disk and this remote server will only be used for caching. One of the problems we cannot increase the locally cached objects is , it stores the cached objects in JVM heap which has limited memory(using 32bit JVM). ======================================================================== Thanks, we finally ended up choosing Coherence as our Cache product. This provides many cache configuration topologies, in process vs remote vs disk ..etc.

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• After dynamically changing a form submit function causes old function to get called once then new fu

  - by cnobile

  I am setting the submit function on a form with jQuery then later in the process I reset the function to something else. What happens is the original function gets called again then the new function when only the new function should have been called. I am sending the requests with AJAX. The first one validated the values on the server then asks if you want to continue. Clicking the submit again should only call the changed function but for some reason both get called simultaneously with a single click. What is happening here? Could jQuery be delaying the the setting of the 2nd function on the form submit?

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• Access a content control in C# when using Master Pages

  - by Guillaume Gervais

  Good day everyone, I am building a page in ASP.NET, and using Master Pages in the process. I have a Content Place Holder name "cphBody" in my Master Page, which will contain the body of each Page for which that Master Page is the Master Page. In the ASP.NET Web page, I have a Content tag (referencing "cphBody") which also contains some controls (buttons, Infragistics controls, etc.), and I want to access these controls in the CodeBehind file. However, I can't do that directly (this.myControl ...), since they are nested in the Content tag. I found a workaround with the FindControl method. ContentPlaceHolder contentPlaceHolder = (ContentPlaceHolder) Master.FindControl("cphBody"); ControlType myControl = (ControlType) contentPlaceHolder.FindControl("ControlName"); That works just fine. However, I am suspecting that it's not a very good design. Do you guys know a more elegant way to do so? Thank you! Guillaume Gervais.

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• How to repeat a particular execution multiple times

  - by Joshua

  The following snippet generates create / drop sql for a particular database, whenever there is a modification to JPA entity classes. How do I perform something equivalent of a 'for' operation where-in the following code can be used to generate sql for all supported databases (e.g. H2, MySQL, Postgres) Currently I have to modify db.groupId, db.artifactId, db.driver.version everytime to generate the sql files <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>hibernate3-maven-plugin</artifactId> <version>${hibernate3-maven-plugin.version}</version> <executions> <execution> <id>create schema</id> <phase>process-test-resources</phase> <goals> <goal>hbm2ddl</goal> </goals> <configuration> <componentProperties> <persistenceunit>${app.module}</persistenceunit> <drop>false</drop> <create>true</create> <outputfilename>${app.sql}-create.sql</outputfilename> </componentProperties> </configuration> </execution> <execution> <id>drop schema</id> <phase>process-test-resources</phase> <goals> <goal>hbm2ddl</goal> </goals> <configuration> <componentProperties> <persistenceunit>${app.module}</persistenceunit> <drop>true</drop> <create>false</create> <outputfilename>${app.sql}-drop.sql</outputfilename> </componentProperties> </configuration> </execution> </executions> <dependencies> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>${hibernate-core.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j-api.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-nop</artifactId> <version>${slf4j-nop.version}</version> </dependency> <dependency> <groupId>${db.groupId}</groupId> <artifactId>${db.artifactId}</artifactId> <version>${db.driver.version}</version> </dependency> </dependencies> <configuration> <components> <component> <name>hbm2cfgxml</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2dao</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2ddl</name> <implementation>jpaconfiguration</implementation> <outputDirectory>src/main/sql</outputDirectory> </component> <component> <name>hbm2doc</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2hbmxml</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2java</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2template</name> <implementation>annotationconfiguration</implementation> </component> </components> </configuration> </plugin>

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• Opening read-only OLEDB connection to MS Access back-end database while allowing updates via separat

  - by djdilicious

  I have a back-end MS Access 2002-2003 database which stores blog entries. I created a separate front-end database with the forms for entering blog posts into the backend database. Finally, I have a website utilizing ASP to display the blog entries. The website connects directly to the backend database using an OLEDB connection object. Whenever I open the form for creating a new post in MS Access, loading the blog post page on the website displays the error: Could not use "; file already in use. I would like to be able to display the older blog posts even though the newest one is in the process of being added.

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• IE 8 Caching Problem

  - by Jeff Catania

  One of my javascript sources had an extra comma that was throwing an error in IE8. So I opened up my editor, deleted the comma, and saved. I reloaded IE8, but it was still pulling the old js file. I deleted everything in "Delete Browsing History...", and restarted the browser. It is still pulling the old file. I even set up a log on my server to show whenever the js file was requested. When reloading with IE, the js file is never requested. I tried doing the same process in Chrome and FF, and it pulled the new file and logged properly on the server. Is there some other cache that I am failing to clear in IE that would cause this problem?

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