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I have a script on a server that had php version 4. Now it is changed to php5 and the script does not function any more. I get this error: Fatal error: Cannot re-assign $this in URL database.php line 88 In the file is a class that has a function. Inside is the line 88: $this = new $db( $serv, $user, $pass, $dbName ); What does the error mean and how can I change it? $this is a special "variable" that always refers to the object the current function is executing in. It only makes sense inside functions that belong to a class ; however, you are not allowed to use it anywhere else, and you may

The withProgress() function can generate a message box indicating the shiny app is running. But the message is at the top-right conner of the browser with a small text size, which makes the message not that eye-catching. So I wonder is there any way that I could change the style and the position of this box, so that the message can be more expressive. Here is a part of my code: output$plot <- renderPlot({ if (input$button){ withProgress( distributionPolygon(data(),unit="years",colors=c("black","gray30","gray50","gray70","blue3","dodgerblue3","steelblue1","lightskyblue1","red4","indianred3",

Want to define a custom message for a user defined exception. What I have now: declare e exception; pragma exception_init (e, -20100); begin raise e; end; ORA-20100: ORA-06512: at line 5 What I want: exec dbms_output.put_line(userenv('COMMITSCN')) ORA-01725: USERENV('COMMITSCN') not allowed here ORA-06512: at "SYS.STANDARD", line 202 ORA-06512: at line 1 at "SYS.STANDARD", line 202 we can see: raise USERENV_COMMITSCN_ERROR; The exception is defined in specification as: -- Added for USERENV enhancement, bug 1622213. USERENV_COMMITSCN_ERROR exception; pragma EXCEPTION_INIT(USERENV_COMMITSCN

I'm working with old-school windows programming in C++, and I need to capture an event in my WndProc which indicates that the user has logged off or locked the screen. update (thanks David Hefernan) I've searched everywhere, but the only thing I've found is the WM_ENDSESSION message - which does not handle screen lock events. Anyone know what how this is done? I need to apply it to Windows 2000 through Windows XP flavors. David Heffernan The solution is to register for the WM_WTSSESSION_CHANGE and respond to it in your WndProc. According to the documentation of WM_WTSSESSION_CHANGE , the

I am receiving the following validation error in the WebSphere MQ Broker Tool v7.0 when working with a generated .xsd: a-props-correct.2: Invalid value constraint value '0' in attribute 'attrname'. The relevant .xsd text is the usage of the attribute: <xsd:complexType name="CTypeContent"> <xsd:simpleContent> <xsd:extension base="xsd:base64Binary"> <xsd:attribute name="attrname" type="BooleanType" use="optional" default="1" /> </xsd:extension> </xsd:simpleContent> </xsd:complexType> And the definition of the attribute: <xsd:simpleType name="BooleanType"> <xsd:restriction base="xsd:boolean">

Ok so i've been wanting to do this for a few years now and it amazes me that no one can come up with a solution... i want to write a program (preferably in vb.net) that can send a message to another computer (or device) that is connected to the same network as me. I want the message to appear on the other computer (or device) in a popup message box. Also, it would be ideal if this could be done through some sort of bluetooth connection, if not then local ip connection will do. I don't know how i would go about doing this but i know it's possible because i've seen some programs do it... in fact

I am looking to be able to move messages between queues (manually) in Rabbit. For example: first-queue has messages ['a','b','c','d','e','f'] second-queue has messages ['x','y'] I want to be able to move for example message 'a' to second-queue from first-queue. This can be a manual operation. Both queues are on the same broker, and I do not want to send them through any exchange. Is there anyway to do this? I have been playing with rabbitmqctl but can't seem to get it to work. I am open to any other tools that would allow me to accomplish this. Eventually I am hoping to have some sort of

I am using grpc for message passing and am testing a simple server and client. When my message size goes over the limit, I get this error. grpc._channel._Rendezvous: <_Rendezvous of RPC that terminated with (StatusCode.INVALID_ARGUMENT, Received message larger than max (7309898 vs. 4194304))> How do I increase the message size on the server and client side? Dumbo Changing the message_length for both send and receive will do the trick. channel = grpc.insecure_channel( 'localhost:50051', options=[ ('grpc.max_send_message_length', MAX_MESSAGE_LENGTH), ('grpc.max_receive_message_length', MAX