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Dataflow_G

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Dataflow_G last won the day on June 1 2021

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    LabVIEW 2018
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    2017

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  1. I can't speak for the buffer library, but I've observed this behavior many times with malleable VIs in my own code. One thing (bug?) I've noticed (and reported on the dark side) is that nested type specialization structures within a vim can lead to broken wires. This is generally as a result of an assert vim inside a type specialization structure inside a vim. The callers wires are either visibly broken but otherwise runnable, or just broken even though the input types are supported. The LabVIEW 2021 SP1 bug fixes mention a fix (bug ID: 1596011) for vims and erroneously broken wires, but I've not tried it out yet. I really hope that's the end of the broken wire quirks with malleable VIs, as they're a really great feature.
  2. Yeah, LabVIEW's Linux audio support hasn't been touched in years. It's built on OSS, which was superseded by ALSA on Arch Linux in 2002. None of the Linux distros LabVIEW Community Edition supports ship with OSS support, but I believe it can be added via an ALSA-OSS translation layer. Also worth noting LabVIEW for Linux can only write 16-bit WAV files, and not IEEE float WAVs (which can be written in LabVIEW for Windows). If you want to play/capture/record audio under Linux, I'm working on an open source, cross-platform audio library for LabVIEW called G-Audio. It's been tested under Arch Linux and CentOS, and supports playback and capture on ALSA and PulseAudio backends, supports writing PCM / IEEE WAVs, and can read WAV, MP3, FLAC, and Ogg Vorbis files.
  3. Sounds like a cool project, especially with a real 6502 thrown in. I remember seeing an open source Apple II emulator written in LabVIEW: https://sourceforge.net/projects/labviewapple2/ Not sure how well it runs, but might be interesting to compare notes.
  4. The diagonals need to be in the form: [0,1] [1,0] or [1,0] [0,1] The 'M' only has a single pixel, or three pixels in a 2x2 grid area, so the anti-aliasing isn't applied. Not sure why it has been implemented this way.
  5. It looks like the picture control is trying to be smart, and anti-aliases diagonal pixels of the exact same color. If the colors differ by a single bit, the anti-aliasing doesn't occur: The picture control also does some kind of pixel hinting - try resize the picture control when the zoom factor is high. You can see it snaps the pixels to some hidden grid in an effort to align it to the picture control bounds. I don't see any properties for disabling the anti-aliasing or the hinting. Perhaps a 2D array of color boxes could be used? With the classic controls there's no gaps between elements:
  6. Saw this example code - LabVIEW programmers should feel right at home
  7. Just saw Nintendo announce this programming game, and a few comments comparing it to LabVIEW. It looks pretty cool, and a fun intro to graphical programming. I don't have a Switch, otherwise I'd probably pick it up. https://www.nintendo.com/games/detail/game-builder-garage-switch/
  8. To add to the list of potential red flags: Windows Registry Access VIs VI Scripting calls (deleting or subtly modifying existing project code) Large VI file sizes / large constants (malicious VIs stored as byte arrays, so avoiding VI Analyzer's checks) Bugs known to crash LabVIEW Shortened links in VI help Non-standard block diagram colors (hiding a subVI on an identically colored BD) Obfuscated code (strings masquerading as boolean arrays, numbers with hidden precision, etc): Very small subVI icons (think a VI disguised as an error wire, as seen on redditšŸ˜ž In reality flagging a package based on any of the previously mentioned criteria will be almost exclusively false positives. Perhaps providing a list of function types a library uses would better help the developer assess the library, similar to the app permissions shown when downloading an app on iOS / Android. So a library may use Network, Scripting, and File System. As LogMAN said, it's ultimately up to the developer to take responsibility for the code they use. obfuscated_LV2014.vi
  9. Here's some more rebrand info I found by one of the design companies behind NI's rebrand, including a mock-up of a green PXI with an interesting font choice (I'm pretty sure that's a Q).
  10. I don't mind the new green on the landing page of ni.com, but elsewhere on the site the new theme is a bit too much. I wanted to fix the near invisible links that @LogMAN ran into, but got a bit carried away: If anyone is interested in using the blue style, you can download it from here. Be warned it's not perfect, there's still lots of green bits on mouse over etc, but I find overall it makes the site much more readable. If blue isn't your thing, the primary color can be changed by setting the root --forrest-green color to something else.
  11. There is Stylus which is a malware / analytic free fork of Stylish. BTW, did your avatar succumb to the rebrand too?
  12. The logo is pretty uninspired and looks lifted from this company. It's going to take some time to get used to the green theme too - in my mind NI = blue + white. I wonder if NXG will get a green coat of paint. I'll reserve judgement on the content until I've seen the webinar, but it's heavy with cringe worthy marketing speak. Also, a moment of silence for Nigel the NI eagle. Soar Ambitiouslyā„¢, N šŸ¦…
  13. The very first comment in that thread is interesting. It's no coincidence NXG looks like LEGO Mindstorms NXT. There was an R&D project in 2009 called LabVIEW Notebook Pioneer. You can see it here - video 1, video 2 and a screen cap: It looks like a very early NXG concept (single window, panes, docked palettes, data stored with project, etc). What's interesting is Christina's comment in the linked blog post. It would seem NXG's roots were partly influenced by NXT. Not saying it's good or bad, just interesting that it was picked up on.
  14. Hmm, it seems the difference in resolution of primary vs secondary displays is being added to the maximized window on the secondary. In this case it's a difference of 640x320 ( or 2560-1920 x 1440-1080). If those numbers are then subtracted from the window bounds when the title bar isn't visible, they're within 1px. Looks to work for your resolutions and results too @nikp. Might be a better solution than toggling the title bar.
  15. I'm seeing the same issue as @nikp, where the window bounds for a maximized window on the second display are way off. It looks to be related to whether the title bar is visible or not. There are two displays in a side-by-side configuration, the primary is 1920x1080 and the secondary is 2560x1440. Running under Windows 10 with display scaling off. I tried the examples posted in the thread @LogMAN linked to with very different results. @hooovahh's version worked for both displays, while @Aristos Queue's version only had correct results on the primary display. After trying to work out why they were so different, I noticed the title bar visibility was different between the two examples. The snippet below demonstrates the different results. When the front panel is on the primary display, the bounds only differ by one pixel when title bar visibility is toggled. When the front panel is on the secondary display, difference between the Right and Bottom values is huge. Calling GetWindowRect() and GetClientRect() from user32.dll on the front panel window has the same results when toggling the title bar visible, so it looks to be a Windows level issue rather than LabVIEW. In any case toggling the title bar visible works well enough. Not sure if it will help your application @nikp.
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