labview

问题 I have a few zip files that I need to delete programmatically in Python 3. I do not need to open them first at all: I can determine if I want to delete them solely based on their filename. In scanning SO for this question, I note the following unsatisfactory questions (unsatisfactory, as in, I've tried all their approaches with no success): Removing path from a zip file using python Python zipfile doesn't release zip file Unable to remove zipped file after unzipping os.remove() in windows

问题 I am creating an sample of a communication server through LabVIEW. In the main VI I have a server and clients: Execution of the last is set as preallocated clone reentrant. I use Queued Message Handler to transfer messages and commands between server and clients. The picture below is the client VI (preallocated clone reentrant execution) with highlighted Queued Message SubVIs. In my previous question I asked about execution type of SubVIs in the Client VIs (preallocated) and got answer that

问题 I have been using Labview's native XML parser to read an XML document. As it turns out, it is too slow for large files. I therefore am trying to use LibXML as it seems to be quite popular. However, I am having trouble with namespaces. I have a third-party XML document that comes like this: <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <foo xmlns="urn:foo_Schema_V3"> <bar> <fooID description="XML Test 170731"></fooID> <barNumber>60</barNumber> </bar> </foo> and would like to select

问题 I'm having sleeping issues because of this! I have a VS2005 C# DLL that should communicate to a USB device under Labview. The C# DLL is mounted over a C++ Wrapper who's over a C++ (unmanaged) Project (not coded by me, but I own the code. btw. C++ and me, we're not best friends). Using this wrapper I can (under Windows/Visual Studio) do everything (connect, disconnect, send and receive data). The problem occurs under Labview. It connects, disconnects, send files but it doesn't receives(not

问题 I'm trying to get lvdiff from meta-diff suite to work with Git. My .gitconfig looks like this: [gui] recentrepo = C:/Users/Tanner/Desktop/FIRST 2010 Beta/Java/LoganRover [user] name = Tanner Smith email = tanner@notimportant.net [merge "labview"] name = LabVIEW 3-Way Merge driver = 'C:/Program Files/National Instruments/Shared/LabVIEW Merge/LVMerge.exe' 'C:/Program Files/National Instruments/LabVIEW 8.6/LabVIEW.exe' %O %B %A %A recursive = binary [diff "lvdiff"] #command = 'C:/Program Files

问题 I have got a VI which execution type is set to be as preallocated clone reentrant. In the VI i have several SubVIs. Should I set the execution type of SubVIs the same as in the main VI? Thank you 回答1: Setting a VI to be reentrant doesn't automatically make its subVIs reentrant - if it did, this would break some of the use cases for non-reentrant VIs, such as serialising access to single resources or maintaining stored state data between calls. So to decide whether a subVI needs to be

问题 I'd like to integrate a Python IDLE-esque command prompt interface into an existing NI-CVI (LabWindows) application. I've tried to follow the Python.org discussions but seem to get lost in the details. Is there a resource out there for dummies like me? 回答1: Here is a python sample code calling a CVI. There are DaqMx python bindings too. 来源： https://stackoverflow.com/questions/91666/ni-cvi-with-python

问题 After testing my code alone, I decided to incorporate it into the project finally. The issue is, when LabVIEW 2010 (SP1, 64-bit) loads the custom DLL, it walks the dependencies and finds that it needs tbb.dll eventually. Well, as far as I can tell, LabVIEW uses its own version of tbb.dll. And its version is missing the entry point ?throw_exception_v4@internal@tbb@@YAXW4exception_id@12@@Z . I ran the function before separately, and it worked fine. It would appear this is not an unheard of

问题 I know that this question is too abstract. But. How much time do i need to learn LabVIEW to become average LabVIEW developer? For example, if I buy good book about LabVIEW and have 8 hours per day (on my work) dedicated to LabVIEW learning how many days i will spend on LabVIEW learning? Could you please provide example from your own experience. More information about me that can be helpful: I'm a developer and know c\c++\python and a little bit of java languages. 回答1: Like Swinders said, it

问题 I'm trying to program something to read voltage from the Labview ULx library and add the voltage into an array. I tried to do so using an event structure while setting a boolean button 's mechanical action to "Latch when pressed". However, the "Latch when pressed" option seems doesn't work and the program reads the voltage and adds it to the array correctly and it freezes. front panel Block diagram: 回答1: When you use a Value Changed event with a latched Boolean control, you need to read the