I'm using JRI. I'm assigning a Java variable to R variable:'size'.
I have a statement :
final Rengine re = new Rengine(Rargs, false, null);
....
String arg1="10";
re.assign("size", arg1);
....
The problem is in 're.assign("size", arg1);'. I want to use REngineException. HOW TO USE IT? Am I wrong in using re.assign()?
NOTE: I did enough googling.
There are two different packages for Rengine, the first "org.rosuda.JRI" is what you are using, and does not have a class named "Class REngineException", the other package that has what you are looking for is org.rosuda.REngine, so load the other Jar into your project.
Related
can anybody help me with solving my problem of Hex2Bin and Bin2Hex functions?
First I was trying to make the conversion Hex2Bin. I would like to call the AddIn function from macro so I called createUNOservice:
Function fcHex2Bin(arg as variant, NumberOfBits As integer) as string
Dim oService as Object
oService = createUNOService("com.sun.star.sheet.addin.Analysis")
sArg = cStr(arg)
fcHex2Bin = oService.getHex2Bin(sArg,NumberOfBits)
End Function
but all the time ends with fault message like "The object variable is not set.". I already don't know why.
My final goal would be to make all functions of Calc running in macros, but at this moment I would be glad to have two functions Hex2Bin and Bin2Hex running - anyhow.
My LibreOffice version:
Version: 7.1.3.2 (x64) / LibreOffice Community
Build ID: 47f78053abe362b9384784d31a6e56f8511eb1c1
CPU threads: 8; OS: Windows 10.0 Build 19042; UI render: Skia/Raster; VCL: win
Locale: cs-CZ (cs_CZ); UI: cs-CZ
Calc: CL
Thank you for your help.
This way works.
Function fcHex2Bin(aNum As String, rPlaces As Any) As String
Dim oFunc As Object
oFunc = CreateUnoService("com.sun.star.sheet.FunctionAccess")
Dim aArgs(0 to 1) As Variant
aArgs(0) = aNum
aArgs(1) = rPlaces
fcHex2Bin = oFunc.callFunction("com.sun.star.sheet.addin.Analysis.getHex2Bin", aArgs())
End Function
As for why the other way does not work, many analysis functions require a hidden XPropertySet object as the first argument. The following code produces informative error messages:
REM IllegalArgumentException: expected 3 arguments, got 1
sResult = oService.getHex2Bin(ThisComponent.getPropertySetInfo())
REM IllegalArgumentException: arg no. 0 expected: "com.sun.star.beans.XPropertySet"
sResult = oService.getHex2Bin(ThisComponent.getPropertySetInfo(), "2", 4)
However I tried passing ThisComponent.getPropertySetInfo().getProperties() from a Calc spreadsheet and it still didn't work, so I'm not exactly sure what is required to do it that way.
The documentation at https://help.libreoffice.org/latest/he/text/sbasic/shared/calc_functions.html does not really explain this. You could file a bug report about missing documentation, perhaps related to https://bugs.documentfoundation.org/show_bug.cgi?id=134032.
What I want to do is the following:
I encrypted the ".prototxt" and ".caffemodel" file, so the files are not readable and the parameters not visible. During my program I decrypt the file and store the result as a string. But now I need to set the layers in my caffe network.
Is there a method to set the caffe network layers with the parameters from my string? Same for the layers in the trained network? Something comparable with the source code below (I know this source code would not work)?
shared_ptr<Net<float> > net_;
string modelString;
string trainedString;
//Decryption stuff
net_.reset(new Net<float>(modelString, TEST));
net_->CopyTrainedLayersFrom(trainedString);
Thank you a lot.
You could initialize a NetParameter class directly using the Protocol Buffer API of the NetParameter class (you'll need to include caffe/proto/caffe.pb.h):
bool ParseFromString(const string& data);
and then use it to initialize a Net class using the following constructor:
explicit Net(const NetParameter& param, const Net* root_net = NULL);
and for copying the weights:
void CopyTrainedLayersFrom(const NetParameter& param);
It's important to note that the above method requires that the string variable contains binary-formatted protobuffer and not the text-format. While the caffemodel outputted by Caffe is already in binary format, you'll have to convert the prototxt file to binary format as well, but you could do that using the protoc command-line program combined with the --encode flag.
For a more information, I'd suggest you'll look in the Protocol-Buffer's website: https://developers.google.com/protocol-buffers/
Loading net model from text format (without converting with protoc) can be done by following:
#include <google/protobuf/text_format.h>
// [...]
NetParameter net_parameter;
bool success = google::protobuf::TextFormat::ParseFromString(model, &net_parameter);
if (success){
net_parameter.mutable_state()->set_phase(TEST);
net_.reset(new Net<float>(net_parameter));
}
I'm currently programming an R-script which uses a java .jar that makes use of the java/lang/Vector class, which in this case uses a class in a method that is not native. In java source code:
public static Vector<ClassName> methodname(String param)
I found nothing in the documentation of rJava on how to handle a template class like vector and what to write when using jcall or any other method.
I'm currently trying to do something like this:
v <- .jnew("java/util/Vector")
b <- .jcall(v, returnSig = "Ljava/util/Vector", method = "methodname",param)
but R obviously throws an exception:
method methodname with signature (Ljava/lang/String;)Ljava/util/Vector not found
How do I work the template class into this command? Or for that matter, how do I create a vector of a certain class in the first place? Is this possible?
rJava does not know java generics, there is no syntax that will create a Vector of a given type. You can only create Vectors of Objects.
Why are you sticking with the old .jcall api when you can use the J system, which lets you use java objects much more nicely:
> v <- new( J("java.util.Vector") )
> v$add( 1:10 )
[1] TRUE
> v$size()
[1] 1
# code completion
> v$
v$add( v$getClass() v$removeElement(
v$addAll( v$hashCode() v$removeElementAt(
v$addElement( v$indexOf( v$retainAll(
v$capacity() v$insertElementAt( v$set(
v$clear() v$isEmpty() v$setElementAt(
v$clone() v$iterator() v$setSize(
v$contains( v$lastElement() v$size()
v$containsAll( v$lastIndexOf( v$subList(
v$copyInto( v$listIterator( v$toArray(
v$elementAt( v$listIterator() v$toArray()
v$elements() v$notify() v$toString()
v$ensureCapacity( v$notifyAll() v$trimToSize()
v$equals( v$remove( v$wait(
v$firstElement() v$removeAll( v$wait()
v$get( v$removeAllElements()
I'm trying to open cmd.exe on a new process and pass some code to programatically eject a device; but when trying to do this all I get is:
"Error #2044: Unhandled IOErrorEvent:. text=Error #3218: Error while writing data to NativeProcess.standardInput."
Here's my code:
private var NP:NativeProcess = new NativeProcess();
private function EjectDevice():void
{
var RunDLL:File = new File("C:\\Windows\\System32\\cmd.exe");
var NPI:NativeProcessStartupInfo = new NativeProcessStartupInfo();
NPI.executable = RunDLL;
NP.start(NPI);
NP.addEventListener(Event.STANDARD_OUTPUT_CLOSE, CatchOutput, false, 0, true);
NP.standardInput.writeUTFBytes("start C:\\Windows\\System32\\rundll32.exe shell32.dll,Control_RunDLL hotplug.dll");
NP.closeInput();
}
I also tried with writeUTF instead of writeUTFBytes, but I still get the error. Does anyone have an idea of what I'm doing wrong?.
Thanks for your time :)
Edward.
Maybe cmd.exe doesn't handle standardInput like a normal process.
You could try passing what you want to execute as parameters to the cmd process, rather than writing to the standard input
I think
cmd.exe /C "start C:\Windows\System32\rundll32.exe shell32.dll,Control_RunDLL hotplug.dll"
is the format to pass something as a parameter to cmd to execute immediately.
This site has an example of passing process parameters using a string vector:
http://blogs.adobe.com/cantrell/archives/2009/11/demo_of_nativeprocess_apis.html
Try it without the last line "NP.closeInput();"
See also:
http://help.adobe.com/en_US/as3/dev/WSb2ba3b1aad8a27b060d22f991220f00ad8a-8000.html
I agree with abudaan, you shouldn't need to closeInput().
Also, suggest you add a line break at the end of the writeUTFBytes() call, e.g.:
NP.standardInput.writeUTFBytes("start C:\\Windows\\System32\\rundll32.exe shell32.dll,Control_RunDLL hotplug.dll **\n**");
Lastly, I recommend you listen to other events on the NativeProcess, I use a block of code something like this:
NP.addEventListener(ProgressEvent.STANDARD_OUTPUT_DATA, onStdOutData);
NP.addEventListener(ProgressEvent.STANDARD_ERROR_DATA, onStdErrData);
NP.addEventListener(Event.STANDARD_OUTPUT_CLOSE, onStdOutClose);
NP.addEventListener(ProgressEvent.STANDARD_INPUT_PROGRESS, onStdInputProgress);
NP.addEventListener(IOErrorEvent.STANDARD_ERROR_IO_ERROR, onIOError);
NP.addEventListener(IOErrorEvent.STANDARD_INPUT_IO_ERROR, onIOError);
NP.addEventListener(IOErrorEvent.STANDARD_OUTPUT_IO_ERROR, onIOError);
with the normal event handler functions that at least trace what they receive.
Best of luck - I've just spent a few hours refining NativeProcess with cmd.exe - its fiddly. But I got there in the end and you will too.
Upon compiling, I am getting the following error:
C:\UDK\UDK-2010-03\Development\Src\FixIt\Classes\ZInteraction.uc(41) : Error, Unrecognized member 'OpenMenu' in class 'GameUISceneClient'
Line 41 is the following:
GetSceneClient().OpenMenu("ZInterface.ZNLGWindow");
But when I search for OpenMenu, I find that it is indeed defined in GameUISceneClient.uc of the UDK:
Line 1507: exec function OpenMenu( string MenuPath, optional int PlayerIndex=INDEX_NONE )
It looks like I have everything correct. So what's wrong? Why can't it find the OpenMenu function?
From the wiki page on Legacy:Exec Function:
Exec Functions are functions that a player or user can execute by typing its name in the console. Basically, they provide a way to define new console commands in UnrealScript code.
Okay, so OpenMenu has been converted to a console command. Great. But still, how do I execute it in code? The page doesn't say!
More searching revealed this odd documentation page, which contains the answer:
Now then, there is also a function
within class Console called 'bool
ConsoleCommand(coerce string s)'. to
call your exec'd function,
'myFunction' from code, you type:
* bool isFunctionThere; //optional
isFunctionThere = ConsoleCommand("myFunction myArgument");
So, I replaced my line with the following:
GetSceneClient().ConsoleCommand("OpenMenu ZInterface.ZNLGWindow");
Now this causes another error which I covered in my other question+answer a few minutes ago. But that's it!
Not sure if this is your intent, but if you are trying to create a UIScene based on an Archetype that has been created in the UI Editor, you want to do something like this:
UIScene openedScene;
UIScene mySceneArchetype;
mySceneArchetype = UIScene'Package.Scene';
GameSceneClient = class'UIRoot'.static.GetSceneClient();
//Open the Scene
if( GameSceneClient != none && MySceneArchetype != none )
{
GameSceneClient.OpenScene(mySceneArchetype,LocalPlayer(PlayerOwner.Player), openedScene);
}