Issue of object shared (with DataGrid)

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• import objects shared with multiple files

  Hello

  I have a shared object that I would like to import with "Import shared objects" to create a library, but it contains a function defined in another line (#nclude), so I can't use the lvlib that produces the LV.

  I can solve this problem? How do I create a shared object that include other .o?

  Thank you.

  salvo980 wrote:

  The first among other .cpp for use function .cpp file. How can I include other .o? I have to use, for example:

  g++ name.o -shared -o libname.so
  

  with the '-l' option?

  g++ name.o -shared -o libname.so -L /usr/lib/name2.so
  

  Is this good?

  Thank you.

  It really depends. If you have two 'clean' cpp files, the simplest solution is to simply link the .o files all together in the phase of final link in listing them all as input for the llink gcc command file. Otherwise if your name2.so file already exists, you shouldn't really need to do anything special other than to ensure that it exists on the target system and is communicated to the linker 'ld' through the ldshared tool execution.

  Unlike Windows where each import must be paid at the time of link, either by an implementation of actual function in a file object or by the bias and the import file object library that performs dynamic load-time linking, shared Linux elf libraries do not need that. The linker during the generation of the shared library object file requires simply that the dynamic loader "ld" will be at the time of loading the shared library object file, resolve the symbols accordingly. That the purpose of the shared library must of course be installed and recognized by the linker to DL on the target, as mentioned above, copying in a well-known directory on the target and running ldshared awareness in the cache of the ld.

• Cannot bind to the shared object created with LabVIEW 2009

  I have problems referring to a shared library built from a LabVIEW VI under RHEL 5 with LabVIEW 2009.

  To illustrate the problem, I created a VI with a digital input and output that corresponds to a certain number. Then, I created a draft specification of build to create a shared library with a feature that makes use of this VI square. The shared object is created successfully (square.so).

  When I try to compile a test application written in C, that connects to this library, I get errors in the following link:

  cc  -I/usr/local/natinst/nidaqmxbase/include -I/usr/local/natinst/LabVIEW-2009/cintools build/square.so  test.c   -o test/usr/local/lib/liblvrtdark.so.9.0: undefined reference to `std::basic_istream >& std::basic_istream >::_M_extract(float&)@GLIBCXX_3.4.9'/usr/local/lib/liblvrtdark.so.9.0: undefined reference to `std::basic_istream >& std::basic_istream >::_M_extract(double&)@GLIBCXX_3.4.9'/usr/local/lib/liblvrtdark.so.9.0: undefined reference to `std::basic_istream >& std::basic_istream >::_M_extract(double&)@GLIBCXX_3.4.9'/usr/local/lib/liblvrtdark.so.9.0: undefined reference to `std::basic_ostream >& std::basic_ostream >::_M_insert(double)@GLIBCXX_3.4.9'/usr/local/lib/liblvrtdark.so.9.0: undefined reference to `std::basic_istream >& std::basic_istream >::_M_extract(float&)@GLIBCXX_3.4.9'/usr/local/lib/liblvrtdark.so.9.0: undefined reference to `std::basic_ostream >& std::basic_ostream >::_M_insert(double)@GLIBCXX_3.4.9'collect2: ld returned 1 exit statusmake: *** [test] Error 1
  

  Running ldd reveals that liblvrtdark.so.9.0 is used for the execution of labview.

  In order to investigate on what could be the cause of the problem, I have compiled the nidaqmx basic examples, and I don't have an error. Current running ldd as reveals that he uses liblvrtdark.so.8.2 for the view of laboratory, time of execution.

  My suspicion is that some components of labview are being compiled with gcc 3.4 while others are being compiled with gcc 4.1 (which is the default compiler in RHEL 5).

  Any ideas how I could fix the build errors?

  Thanks in advance for your suggestions.

  PS.

  I enclose a tar file with the source files and here are the details of the ldd:

  ldd build/square.so         linux-gate.so.1 =>  (0x008de000)        liblvrtdark.so.9.0 => /usr/local/lib/liblvrtdark.so.9.0 (0x00b9c000)        libc.so.6 => /lib/libc.so.6 (0x00110000)        libstdc++.so.6 => /usr/local/lib/LabVIEW-2009/patchlib/libstdc++.so.6 (0x009a7000)        libm.so.6 => /lib/libm.so.6 (0x00756000)        libdl.so.2 => /lib/libdl.so.2 (0x00256000)        libpthread.so.0 => /lib/libpthread.so.0 (0x0025a000)        /lib/ld-linux.so.2 (0x00b80000)        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00272000)
  
  ldd /usr/local/natinst/nidaqmxbase/lib/libnidaqmxbase.so.3.3.0         linux-gate.so.1 =>  (0x00e50000)        libnidaqmxbaselv.so => /usr/local/lib/libnidaqmxbaselv.so (0x00248000)        libc.so.6 => /lib/libc.so.6 (0x00689000)        /lib/ld-linux.so.2 (0x00b80000)        liblvrtdark.so.8.2 => /usr/local/lib/liblvrtdark.so.8.2 (0x00e51000)        libdl.so.2 => /lib/libdl.so.2 (0x00813000)        libpthread.so.0 => /lib/libpthread.so.0 (0x001b0000)        libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0x009c7000)        libm.so.6 => /lib/libm.so.6 (0x00b0a000)        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x0050c000)
  

  Hi mimi,

  I'm happy to report that I managed to get the code to work. I have included some of the steps I experienced the problem in case it might help improve the documentation or future generations.

  In response to your question about the "error 1" reported by do, it's just an indication that detected a compiler error (it probably resembles the return code of the compiler).

  The errors ' undefined reference... @GLIBCXX_3.4.9 "have been narrowed down. The generated labview shared library, the square.so, links to /usr/local/lib/LabVIEW-2009/patchlib/libstdc++.so.6 which is a symlink to usr/local/lib/LabVIEW-2009/patchlib/libstdc++.so.6.0.9. I decided to compare this version of libstdc ++ that included with RHEL:

  strings /usr/local/lib/LabVIEW-2009/patchlib/libstdc++.so.6 | grep GLIBCXXGLIBCXX_3.4GLIBCXX_3.4.1GLIBCXX_3.4.2GLIBCXX_3.4.3GLIBCXX_3.4.4GLIBCXX_3.4.5GLIBCXX_3.4.6GLIBCXX_3.4.7GLIBCXX_3.4.8GLIBCXX_3.4.9GLIBCXX_FORCE_NEW
  

  strings /usr/lib/libstdc++.so.6 | grep GLIBCXXGLIBCXX_3.4GLIBCXX_3.4.1GLIBCXX_3.4.2GLIBCXX_3.4.3GLIBCXX_3.4.4GLIBCXX_3.4.5GLIBCXX_3.4.6GLIBCXX_3.4.7GLIBCXX_3.4.8GLIBCXX_FORCE_NEW
  

  So libstdc ++ RedHat does not include a string for GLIBCXX_3.4.9.

  With this in mind, I was able to get my test application to compile using the version of LabVIEW libstdc ++ using the following makefile:

  .PHONY: all cleanCPPFLAGS=-I/usr/local/natinst/nidaqmxbase/include -I/usr/local/natinst/LabVIEW-2009/cintoolsLDFLAGS=build/square.so \        /usr/local/lib/LabVIEW-2009/patchlib/libstdc++.so.6 \        -Wl,--rpath -Wl,/usr/local/lib/LabVIEW-2009/patchlib/
  
  all: test
  
  clean:        rm -f test *.o
  

  When you try to run the application, I got the following error:

  ./test: error while loading shared libraries: /usr/local/lib/liblvrtdark.so.9.0: cannot restore segment prot after reloc: Permission denied
  

  But apparently, it's because of SELinux prohibiting the use of libraries shared with moving text.
  This can be disabled by running /usr/sbin/setenforce 0 as root.

  The test application now works!

  See you soon,.

  RW

• Issue of calendar entries sharing with groups of BBM blackBerry Smartphones BB Curve 8520-

  Greetings!

  I am currently using a BB Curve 8520. I have a problem with the birthday entries sharing with my BBM groups.

  When I add a birthday entry to my contacts from the phonebook, the phone will ask whether or not you will share this date with the BBM groups calendar.

  If I select No., birthday entry will continue to BE SHARED to your BBM groups.

  So I have to go to the calendar of the BBM groups to delete manually created entry.

  Can you help me to solve this problem with my phone?

  Thanks in advance!

  Hi, Ahmed.

  Follow the steps; below

  1. take a full backup of your device.

  2 reset the device (Do a security wipe)

  3 register your device with Netowrk.

  4. return the maintenance book.

  5. If more than one e-mail account then delete pulled CICAL service book of reset. (but keep a default for CICAL service)

  6. now, do a restore advance except BBM GROUP and data.

  7. now, create a new entry in the calendar.

  Please read the following threads for more info:

  http://supportforums.BlackBerry.com/T5/BlackBerry-App-World-General/calendar-issues-BBM-Group/TD-p/6...

  Courtesy: Santosh-Boiro

• Remote object shared my kicks butt

  After 4 days, I'm still stuck with what should be a simple learning exercise. I'm not a developer starting with all means, which should not be beyond me. After a few weeks of reading, I now try to do some exercises of bite size for the ramp on the Communication (using Flex as the primary server) server. I'm missing something in my understanding and could use a good quick quick kick in the pants get me.
  
  All I want to do is created a remote object on the side server, then when a client connects, send and add a simple string to the remote object. While the customer gets the update and display the information in a text box. Here is the code I try to use, cleaned up a bit (so their could be a typo or two). He seized the idea of what I'm trying to do.
  
  I'm not sure what I'm doing wrong. The idea is to send a test string to the server to connect, and only the server to add to the object shared side server. In theory, I think, it will trigger the client onsync event to send the change to the customer. Fires of onsync but I see not the information contained in the customer... just get an "undefined"... What Miss me? Save me a week of pulling on my hair, if you can, please!
  
  Thank you!
  
  ==================server asc================================
  application.onAppStart = function()
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  Create the shared object on the side Server
  test_so = SharedObject.get ("myTestSharedObject");
  }
  application.onConnect = function (client, someTextForDisplaying)
  {
  test_so. SetProperty (myProperty, someTextForDisplaying);
  Returns true;
  }
  
  ==================client ================================
  var my_so: SharedObject;
  var nc:NetConnection;
  
  It is triggered by a click of a button in the user interface
  function createConnection (): void
  {
  to connect to the server
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  nc.addEventListener (NetStatusEvent.NET_STATUS, netStatusHandler);
  nc.objectEncoding = ObjectEncoding.AMF0;
  //
  NC. Connect ("rtmp: / testApplication", "test string");
  
  }
  
  connected now connect the client to the remote object on the side Server
  function netStatusHandler (event: NetStatusEvent): void
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  case "NetConnection.Connect.Success":
  The connection was successful now create components
  User simple shared object and event management
  SharedObject.defaultObjectEncoding = flash.net.ObjectEncoding.AMF0;
  
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  my_so.addEventListener (SyncEvent.SYNC, usersSyncHandler);
  my_so. Connect (nc);
  break;
  case "NetConnection.Connect.Rejected":
  Alert.Show ("connection rejected.',"something went wrong");
  break;
  
  }
  }
  
  It's the event triggered when the remote shared object changes
  function usersSyncHandler (event: SyncEvent): void
  {
  display the information returned in the user interface
  txtDisplay = event.target.data.myProperty;
  or
  txtDisplay = txtDisplay + my_so.data.myProperty;
  }
  

  Solved it... don't know what the problem was, but it finally works...

• the video is the future. How do videos PLAY when sharing with others?

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  Hey dominiek releases,

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  Hey bradleyheap,

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  Apple Watch heart rate monitor, the signal can be shared with other devices such as the Garmin Edge 520?

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• Rich project shared with IO Library?

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  I hope this helps.

• Run-time error '91'; Variable object or with block variable not set "

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  Samhrutha G S - Microsoft technical support.