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About nitulandia

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    Austin TX

LabVIEW Information

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    LabVIEW 2011
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  1. Hello gurus, The following is part of a database read/write design aspect, and hope that you're able to help me find solutions :-) I have a couple of my own, but would like to see what others may come up with. Details: I have been able to successfully use DB toolkit vi's to read/write to an SQL database. Everything works as per the design -mostly- . The last piece I have yet to implement is the "retry-mechanism": what if during the WRITE action my database happens to be unavailable? do I save the data to a flat file and upon "reconneciton" I flush the records? this sounds quite simple,
  2. My first comment is, Oh my! there is so much to learn about Git! And by the way, the file is hosted in GitHub. I was able to download a file from GitHub using python. I did not get around to creating the LabVIEW wrapper for it just yet. LabVIEW gurus, the following is about to go off on a tangent (hold-on to your seats): If you are interested in the topic of "downloading files from an online repository" and have experience, desire, energy and vision send me a note. I'm thinking of a "why not?" type of scenario... I'd like to create a toolkit for this purpose but don't have the time to do i
  3. Hello LV gurus, I'm getting ready to write a utility that will allow me to "download a file from Git" at run-time. Disclaimer: I have not used Git much.. anyhow, I'm hoping I can leverage from any work done on this front. By the way, when I say "I'll write a utility" I'm thinking of C# or Python as the programming languages I would use. If in C# I can easily output a DLL and such would have a LabVIEW wrapper. If in Python, I'll try to create an executable with parameters, then I'll put a LabVIEW wrapper around it. I have written several utilities this way, therefore, I am certain this
  4. Hello, In case you were following this one... here is an update: I have found a work around! But regardless, the "flickering" problem I'm seeing on my production machine MIGHT (not proven just yet) be related to HARDWARE!! yes, the video drivers on each of my machines is different!! My dev machine is a GATEWAY - and no, I'm not getting a commission for using the brand-name :-) where as my Production machine is an "ACER". One of my colleagues has an "ACER" as his dev machine, and the "flickering" problem is there as well! In any case, take a look at the workaround. First png on top is th
  5. Hello all, The version in use: LabVIEW 2011 You'll need two machines to see the issue I'm about to present. One of them will obviously have the LV development suite installed on it, while the second one will only have the Run-Time Engine (RTE) installed. Step One: Open the attached project, run the VI, and you'll see that the "simple timer" works as expected (the display does not flicker) Step Two: Create an executable and copy it to the machine that has only the RTE installed. Run the executable and you'll see the issue then: the display flickers! I'm trying to figure out a way to stop
  6. I've posted one solution to the problem I was having: http://forums.ni.com/t5/NI-TestStand/Why-is-my-VI-still-running-after-my-teststand-sequence-has/m-p/2130264/highlight/false#M38443
  7. Hello all, Disclosure: I have not played with TestStand in a long while... This is what I've done so far: 1. Successfully have put together a simple test sequence comprised of 5 steps - Initialize Power Supply.vi - Initialize Instrument B.vi - Display Hello World.vi - Close Power Supply.vi - Close Instrument B.vi 2. I'm able to successfully run this test sequence (BTW, I'm actually talking to real instruments) The issue I'm having is that once my test sequence has completed its execution, if I try to open either of the VIs from above it shows that "The SubVI is wating to Run" May I
  8. This is from an NI applications engineer: "it looks like you're going to need the Internet Toolkit. You can download an evaluation version here and try it out before purchasing." http://sine.ni.com/nips/cds/view/p/lang/en/nid/2501 Best of luck! Jeff S. Applications Engineer National Instruments
  9. Hi Yair, Yes, I had looked at this as well. In the example referenced above they use the datasockets, which is what I'm trying to use. Do you know what other options I would have if datasocket is not the right tool ?
  10. Hello, Hopefully one of you gurus out there can help out by pointing me in the right direction. Details: I'm trying to use google docs API to retrieve a document from a collection. What I have accomplished so far: I'm able to successfully retrieve the path to a file in the collection! The problem I'm running into is when I attempt to download the file to my local machine. I've been trying to use LabVIEW's datasocket for such task (attempting to download the file from the internet), however, have not been successful at it. During my manual tests (just using the datasocket vis) what I have
  11. Hi Crelf, Could you please post a snapshot of the series of VIs you've used? Attached you'll find what I was trying to use. The string constant at the bottom is the error message generated by the "Extract.vi" -I copy-n-pasted the error message manually-
  12. Well, the openG VIs did not work for me... I had to write my own VI. I ended up using a DLL from Inner Media, Inc. Name Duzactx.dll Size (bytes) 262.144 Version 5.00.01 Company Inner Media, Inc. Description DynaZIP-32 UnZIP ActiveX Control Attached is a snapshot of the code. Note: When extracting all files the recursive flag must be set to TRUE, AND FileSpec must be set to *.*
  13. I'm using LV 8.2 and do see the following VIs under File I/O 1. New Zip 2. Add to Zip 3. Close Zip I'm missing the "Extract" function though :-) I've looked in the OpenG toolkit http://wiki.openg.or...enG_Library_VIs but did not see anything. I think I should be able to write a function to extract files if I find a .zip activeX component. Thanks for the quick response! Any more feedback is greatly appreciated. If I do end up writing a function I'll provide it to the community. I've just found it http://wiki.openg.org/Category:Oglib_lvzip_VIs Thank you so much for the pointer! You
  14. Hello, I'd like to programatically extract some files in a .zip Is there an easy way to do this? In advance, thank you.
  15. When I do this manually (you have to enter the user name, password, etc) all works. Using LabVIEW VI's I've been successful at login, change directories, etc, however, the "GET action" is the one generating the error. This is what I've posted at NI's forum: http://forums.ni.com/ni/board/message?board.id=170&thread.id=455231
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