Return to the caller
Dear
My program consists of several sub-vi(s) for serial communication.
Could you let me know how can I remove the "return to a caller" button without stopping the sub-vi?
(see my attachment, I have never seen the button in my labview programming.)
The reason why I have the trouble is to use sub-vi which consists of old serial functions.
Thank you in advance.
Attachments:
aaa.png 122 KB
Is your subVI even running?
I don't remember using this part of the LV debugging mechanism, but a simple search through the LV help for "return to caller" generated a result which says that this happens when you set the VI to be suspended when opened and the black run arrow suggests that its waiting for you to run the VI.
This would suggest that setting the Execution>>Suspend On Call property (in the VI class) to false would solve this, but this doesn't seem to affect the running VI. The only other option I can think of, without stopping the VI, is hiding the entire toolbar, which can be done through a property node, but that doesn't seem to work when the VI is in this debugging mode. Since it doesn't seem to be running anyway, I would suggest that you stop it and manually change it not to be suspended.
Try to take over the world!
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Hello all,
I am beginning with JNI, to integrate a C library that pilots an industrial equipment, into a java UI. This library enables to exchange various proprietary PDUs (protocol data units), with the equipment, up and down (request/replies). Both requests and replies are arrays of bytes (+char*+).
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(*env)->SetByteArrayRegion(env, jByteArray, 0, size, (jbyte *)sourceBytes);
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The fact that you created it in jni doesn't change that.
The array can be explicitly freed with the following call:
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Per what the tutorial says it is either poorly worded or just wrong.
An array which has been properly initialized it a just a java object. Thus it can be freed like any other object.
Per your original question that does not concern you because you return it.
In terms of why you need to explicitly free local references.
[http://download-llnw.oracle.com/javase/6/docs/technotes/guides/jni/spec/design.html#wp16785]
The tutorial's next section has a much-expected memory issues paragraph, from which I quote:
By default, JNI uses local references when creating objects inside a native method. This means when the method returns, the references are eligible to be garbage collected.I assume this means, unless the references are assigned, in the Java code, to a Java variable, right?As stated it is not precise.
The created objects are tracked by the VM. When they are eligible to be collected they are.
If you create a local reference and do NOTHING that creates an active reference elsewhere then when the executing thread returns to the VM then the local references are eligible to be collected.
>
If you want an object to persist across native method calls, use a global reference instead. A global reference is created from a local reference by calling NewGlobalReference on the the local reference.That is not precise. The scope is the executing thread. You can pass a local reference to another method without problem.
I assume this enables the C code to maintain a global reference to a java object even if it's not referenced anymore from the Java variables, right?
It enables access to it to be insured across multiple threads in terms of execution scope. Normally you should not use them. -
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http://planitz.eu/htmldb/htmldb_issue_tracking_tool.jpg
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Message was edited by:
athor
Message was edited by:
athor -
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Then nothing worked. I try to open the phone icon and it tried to open but it returned to the main screen. I tried opening anything else and nothing will work. Not even the phone icon. It also would not shut down.
I let it sit for twenty minutes and tried to turn it off. Then ten minutes later it just rebooted itself. Waited until it came back up and tried to open settings, photo, camera, phone nothing will open.
I know the touch is still working because it is locked and it will allow me to unlock it every time. So I guess something is working.
Any suggestions?Finally got my phone to power off. I was able to reset the phone and everything is now working. I guess I just needed patience!
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Can I export a PDF in InDesign Server and return it to the calling client?
Using Java/CORBA between a client machine and InDesign Server, I would like to:
1. Make a remote call to InDesign server to create a document, passing IDML as a parameter on the call
2. Make another remote call to InDesign server to export a PDF, returning the PDF on the call return.
Is this possible? I notice that the doExport method does not return a PDF to the calling client. Instead, it saves the PDF on the server. I don't see any apis which would allow me to do the above.
The use case here is a web application which need to "preview" an image. The image consists of a template and some variable data which is sent to an InDesign server for composition and is returned as an image.
Thanks for any help.I fail to see the issue. You have added crop marks, have you not? For all intents and purposes those are marks that are supposed to be visible and printable for cutting in the real world. If you don't want them, don't use them. Acrobat can generate them on the fly for printing, anyway.
Mylenium
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