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LAVA 1.0 Content

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  1. To be clear, the actual bug is inside the base64 code VI in the email toolkit. I assume you downloaded the code from Sourceforge? (could you provide a URL?) Thanks, Ton (if you are interested in improving this toolkit please join OpenG)
  2. QUOTE (Variant @ Jan 15 2009, 04:28 AM) Yes but only to VI server connections (with http://zone.ni.com/reference/en-XX/help/371361E-01/glang/open_application_reference/' target="_blank">Open Application), it is not some magic token to set up a random data server connection. Ton
  3. QUOTE (Variant @ Jan 15 2009, 04:28 AM) Yes but only to VI server connections (with http://zone.ni.com/reference/en-XX/help/371361E-01/glang/open_application_reference/' target="_blank">Open Application), it is not some magic token to set up a random data server connection. Ton
  4. QUOTE (zmarcoz @ Jan 14 2009, 07:11 PM) D - I had to look it up QUOTE 2) Delays should be added to While Loops: A to reserve memory. B to reserve CPU usage. <== My understand is that "reserve is passively saving" <== my choice C to free up memory. D to free up CPU usage. <== My understand is that " free up is actively eliminating" D - By adding delays you are halting the loop execution and freeing up the processor for other loops/tasks/processes/threads. You are not actively reserving the CPU for anything specifically. QUOTE 3) To place an Express VI on the Block Diagram you would select it from the: A Controls Palette <== I can find a table express VI here (I assume express VI are the VIs have blue think boundary) B Functions Palette <== This must be correct C Icon Palette D Tools Palette B - pick the 'most' correct answer, not just any correct answer. The question may not be worded 100% correct, but if you understand what the question is asking (trying to ask), then answer so. Knowing what the question is intending to ask is part of knowing LV well. QUOTE 4) If an Error Cluster displays a non-zero error code coupled with a status of FALSE, it signals: A a non-fatal error. B a fatal error. C a warning. <== my choice, because status of False means no error?? D no error. If C in Q4 is correct, what should I see in the error cluster display if a non-fatal error happen? C - to my knowledge there is no standard definition of a fatal vs. non-fatal error. Normally warnings are events where the normal execution of the VI can continue, while an error means the normal execution can not continue (which may be called fatal by some, but not by others). Resetting and restarting the operation may be enough to fix an error, which therefore may not be considered fatal.
  5. QUOTE (zmarcoz @ Jan 14 2009, 07:11 PM) D - I had to look it up QUOTE 2) Delays should be added to While Loops: A to reserve memory. B to reserve CPU usage. <== My understand is that "reserve is passively saving" <== my choice C to free up memory. D to free up CPU usage. <== My understand is that " free up is actively eliminating" D - By adding delays you are halting the loop execution and freeing up the processor for other loops/tasks/processes/threads. You are not actively reserving the CPU for anything specifically. QUOTE 3) To place an Express VI on the Block Diagram you would select it from the: A Controls Palette <== I can find a table express VI here (I assume express VI are the VIs have blue think boundary) B Functions Palette <== This must be correct C Icon Palette D Tools Palette B - pick the 'most' correct answer, not just any correct answer. The question may not be worded 100% correct, but if you understand what the question is asking (trying to ask), then answer so. Knowing what the question is intending to ask is part of knowing LV well. QUOTE 4) If an Error Cluster displays a non-zero error code coupled with a status of FALSE, it signals: A a non-fatal error. B a fatal error. C a warning. <== my choice, because status of False means no error?? D no error. If C in Q4 is correct, what should I see in the error cluster display if a non-fatal error happen? C - to my knowledge there is no standard definition of a fatal vs. non-fatal error. Normally warnings are events where the normal execution of the VI can continue, while an error means the normal execution can not continue (which may be called fatal by some, but not by others). Resetting and restarting the operation may be enough to fix an error, which therefore may not be considered fatal.
  6. QUOTE (TobyD @ Jan 14 2009, 08:34 PM) That's what more people should do! QUOTE Where at? My web page tabs start to scroll horizontally if I open too many and I didn't see any options screens with multiple rows of tabs. I installed https://addons.mozilla.org/en-US/firefox/addon/1122' rel='nofollow' target="_blank">Tab Mix plus (cool addon) that allows multiple rows. I think they use some sub-panel type of structure as well. Just for every row a new set of 'ears', they all keep their default spot. Now if we could shuffle pages. Ton
  7. QUOTE (TobyD @ Jan 14 2009, 08:34 PM) That's what more people should do! QUOTE Where at? My web page tabs start to scroll horizontally if I open too many and I didn't see any options screens with multiple rows of tabs. I installed https://addons.mozilla.org/en-US/firefox/addon/1122' rel='nofollow' target="_blank">Tab Mix plus (cool addon) that allows multiple rows. I think they use some sub-panel type of structure as well. Just for every row a new set of 'ears', they all keep their default spot. Now if we could shuffle pages. Ton
  8. QUOTE (george seifert @ Jan 14 2009, 08:10 PM) QUOTE (Ton @ Jan 14 2009, 07:19 PM) What about a listbox with a tab control without tabs? Like this proposal for OpenG Builder. I found a GUI that doesn't reorder the tab rows: Firefox. Ton
  9. QUOTE (george seifert @ Jan 14 2009, 08:10 PM) QUOTE (Ton @ Jan 14 2009, 07:19 PM) What about a listbox with a tab control without tabs? Like this proposal for OpenG Builder. I found a GUI that doesn't reorder the tab rows: Firefox. Ton
  10. What about a listbox with a tab control without tabs? Like this proposal for OpenG Builder. Ton
  11. What about a listbox with a tab control without tabs? Like this proposal for OpenG Builder. Ton
  12. Did you install the motion toolkit after LabVIEW 8.6 RealTime? Ton
  13. No, and I don't think there is a GUI with that behaviour when there is truly one tab-control. Ton
  14. QUOTE (Antoine Châlons @ Jan 14 2009, 09:31 AM) QUOTE (rolfk @ Jan 14 2009, 10:26 AM) Hmm didn't encounter that so far. I would expect the upgrade process to take care of that. As far as I have seen this happens in the right way. If you encounter somewhere where this doesn't happen it is a bug and you should report it to NI. Ton
  15. This isn't really a wish, but more a search. The LabVIEW upgrade notes state: QUOTE So I went to the LabVIEW online help pages for: LabVIEW 8.2 LabVIEW 8.5 LabVIEW 8.6 And nowere ever is a list of new events :headbang: . Am I looking in the wrong direction or did NI forget this? I would be really interested in such a list if I upgraded LabVIEW some events (Edit? on a listbox for instance) are very very usefull. Ton
  16. QUOTE (zmarcoz @ Jan 12 2009, 03:33 PM) Nested structures refers to placing a NI structure inside a NI structure. An example would be placing a case structure inside a case structure or loop inside a loop. You can not place a formula node inside a formula node, so if the question was which one of the below is not valid "nested formula nodes" would be the answer.
  17. QUOTE (mesmith @ Jan 13 2009, 12:03 AM) I agree, I only put source code (+docs, build files) into the SCC. QUOTE (crelf @ Jan 13 2009, 04:03 AM) but I'd prefer it if the LabVIEW installer builder didn't go around deleting files it doesn't own. This is a very dangerous question, your installer folder will be filthy after a few builds, what if your code changes and you don't need a DAQmx installer to be compiled into the installer? Especially with all the LVOOP stuff in the Executable folder you will have a lot of files that are 'changed' according to SCC but are just the result of the build. How do you tag your code to tie it to a special build? Maybe you should branch your code to a specific build/solution and make the executable in that location? Ton
  18. QUOTE (spsuamin @ Jan 12 2009, 10:47 AM) Even without LV FPGA, you can use most of the FPGA example code to decode an IRIG-B signal acquired with an appropriate DIO card. The real question is how you want to use the IRIG-B signal and information in your application. Depending on the real-time requirements of your application, decoding the signal in SW may or may not give you adequate performance, low enough jitter, etc.
  19. QUOTE (george seifert @ Jan 12 2009, 09:23 AM) The "Actual Start" proprty of a Timed loop reutrns the CPU ms tick count. That value rolls-ver every 32 days (or there-abouts). The value only makes sense in the context of what the "Expect Start" time value. So far I don't see a bug in what you are reporting. Take care, Ben
  20. QUOTE (spsuamin @ Jan 12 2009, 11:47 AM) I don't remember the model number but one of NI's high-end timing cards has that built-in. Ben
  21. QUOTE (LaurenH @ Jan 10 2009, 06:32 PM) Hi Lauren, First thing we should settle is the question "Are the req's bounded?" eg Is there a limit to the number of options so we can use an "provide more than enough and only show what we need approach" (this could be done with LV objects, controls cluster that are configured and shown when required) OR Are the req's unbounded in that we have to support everything and can never anticipate a worse case. These types of apps can be developed using a Picture Control but they require much more work since we can not take advantage of the functionality built into the LV objects. So.... Bounded on un-bounded? Ben
  22. QUOTE (Antoine Châlons @ Jan 12 2009, 10:30 AM) http://www.stackoverflow.com' rel='nofollow' target="_blank">StackOverflow eat your heart out. Ton
  23. According to the LabVIEW wiki this refers to the VI server enabled/disabled setting. See LabVIEW_configuration_file/VI_Server#server.tcp.enabled Ton QUOTE (Antoine Châlons @ Jan 12 2009, 10:20 AM) Well Antoine you are fast. But, this only needs to be activated if you want to expose VI server, for normal TCP/IP connections you don't need it. Ton
  24. QUOTE (alfa @ Jan 10 2009, 02:11 AM) Rejected fortune cookie saying?
  25. QUOTE (Yair @ Jan 8 2009, 03:03 PM) I'm not saying the word Waveform implies waveform data type. What I am saying is if a chart is a WF data type then aperiodic values can be plotted using it. Since the Q uses the word "only" that rules out options b,c,d so the only correct answer is "a"*. Ben * but don't trust me!
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