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Everything posted by crelf
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QUOTE (Amiri McCain @ Jul 18 2008, 01:22 PM) I have no idea what you are talking about - NI's hiring a cruise ship for us all to party on? Can you please provide a link to where you heard this, or give us some more information so we have context?
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QUOTE (pallen @ Jul 18 2008, 01:17 PM) That's right - exe's built on Windows run on Windows only, exe's built on Linux run on Linux only.
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I don't know if anyone else noticed this, but NI's offering a new course at NI-Week this year: LabVIEW Object-Oriented Programming System Design. The topics look pretty good, including an introduction to OOD with UML. Rumour has it that the course won't just concentrate on LVOOP, but also include some Endevo stuff too :thumbup:
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Q: Would you use VI tags to 'tag' your code?
crelf replied to LAVA 1.0 Content's topic in Development Environment (IDE)
Sorry for coming in late on this one - it's been sitting in my inbox, but I haven't had enough time to really think my replay through. QUOTE (Ton @ Jul 6 2008, 03:21 PM) I think all of those options are valid. Sure, NI not supporting tags is a worry, and I'd want to get some assurance (public or private) that NI's not looking to get rid of them in the near future. That said, irrespective of which schema you choose, you can pretty quickly write a VI that will convert between the schemas (the only problem with that is doing so will naturally rev the VI ). I like the tag option for a couple of reasons: they're not visible to the user, which means that they aren't concerned about them. Also, it means that they can't manually change them - and that's pretty important. The other options are less secure (if all you're looking at is this information to track your revisions). That the user can't see them might be a liability too: but you'd need to look at use cases on when they shouldn't and when they should (if ever) be able to see them. QUOTE (dannyt @ Jul 7 2008, 07:50 AM) I look back to my days doing development on Unix, the development tool set was installed on the server under source control, or deployed out from a source control tool into one location. The developers used the path environment and you could really ensure everyone was developing with the same toolset & libraries be they thirdparty items or internal. I remember those days too, with some fondness The problem with that scenario is when different users need different versions of a component: if you find an issue in a component and want to upgrade it, or if you want to add functionality to a component, I strongly believe that you shouldn't have to force everyone to use the new version. To do so often requires them to revalidate the work that they've already done and that works for them. Sure, if it's a bug that is hurting them, or expanded functionality that will help them, then it's a good reason to upgrade, but using that model introduces schisms (code branching) where you'll have more than one version of a components being maintained in separate locations. When this happens, less disciplined engineers might even drop their versions out of SCC to make room for newer versions. Then when do they make the switch? When a new project starts? Never? Parallel development is inevitable in this scenario, and bringing branches back together leads to a lot of engineering anxiety. There's a bunch of other reasons why that isn't a good idea, but schisms is the main one. That's why development environment configuration management systems are really really (you know I mean it because I wrote it twice!) important. They allow you to minimize those schisms, and manage reuse. The VIPM is a great product* that does exactly that in LabVIEW. * No, I'm not on the JKI payroll - I just really really (you know I mean it because I wrote it twice again!) like the VIPM. -
QUOTE (GraemeJ @ Jul 17 2008, 08:47 PM) Yeah - but the real story was the New Zealander's praising him for advancements in science - they're a little behind the times over there
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QUOTE (alfa @ Jul 18 2008, 01:41 AM) You can if you're irrational.
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I don't see Matthew Broderick in this one
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QUOTE (Norm Kirchner @ Jul 16 2008, 04:58 PM) Sorry about that - I read it differently.
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QUOTE (Norm Kirchner @ Jul 16 2008, 03:27 PM) Anova is in the Mathematics > Probability & Statistics > Analysis of Variance palette.
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No Controls/Indicators inside structures...
crelf replied to Götz Becker's topic in Application Design & Architecture
QUOTE (neB @ Jul 16 2008, 12:54 PM) That wasn't the one I was thinking about, but I think it's just as good (if not, better ). -
QUOTE (han_5583 @ Jul 16 2008, 09:41 AM) That's not really an RPM sensor - it's a rotary encoder (try google that). The data you get back can be converted into RPM very easily - have a look at counter/timer examples in LabVIEW (you want to do a frequency measurement). Above all - remember not to violate Nyqist (try another google on that). EDIT: Looks like Mike's given you a lot of info to work with :thumbup: QUOTE (mross @ Jul 16 2008, 10:17 AM) You can use a counter to measure the time period between pulses.
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No Controls/Indicators inside structures...
crelf replied to Götz Becker's topic in Application Design & Architecture
QUOTE (neB @ Jul 16 2008, 08:58 AM) I do, but I can't find it. I don't think we ever got a definitive answer on that one. I know that it started because we were talking about global varibale usage and how the global data used to reside in the UI requiring a thread swap on reads and writes (it doesn't anymore), and then we started talking about controls/indicators, but I'm not sure if that required a swap. Intuatively, I think it would, but the LabVIEW team have done all sorts of tricks to manage memory and speed, so I wouldn't be suprized if there's a "on change" optimization there. Anyone from NI care to comment? -
QUOTE (alfa @ Jul 16 2008, 04:34 AM) There is no spoon.
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QUOTE (BrokenArrow @ Jul 15 2008, 11:53 PM) That's (almost) what my signature means
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QUOTE (BrokenArrow @ Jul 15 2008, 04:45 PM) LAVA/r/n
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Enable Training and Consulting, Inc. has generously donated a Nintendo Wii: What's a Nintendo Wii? Are you insane?!? Have you been living under a rock? Wikipedia says: The Wii (pronounced as the English pronoun we) is the fifth home video game console released by Nintendo. The console is the direct successor to the Nintendo GameCube. It competes with both as part of the seventh generation of video game systems. A distinguishing feature of the console is its wireless controller, the Wii Remote, which can be used as a handheld pointing device and detect movement in three dimensions. But it's so much more than that! Nintendo's site says: To truly understand how Wii revolutionizes gaming, you have to try it for yourself. Quite simply, Wii is for everyone. The ease of use and interactivity of the Wii Remote and Nunchuk allows for a unique social gaming experience for the whole family. You don't just play Wii, you experience it. ...and frankly - I agree Thanks Enable Training and Consulting, Inc. :thumbup:
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QUOTE (george seifert @ Jul 15 2008, 12:07 PM) They'd have to hose out the theatre after each showing Random trivia: http://www.imdb.com/title/tt0468569/' rel='nofollow' target="_blank">the new Batman movie has ~20 mins in it that were shot in IMAX, so if you're a real fan - make sure you go see it in an IMAX theatre...
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QUOTE (normandinf @ Jul 15 2008, 09:59 AM) Damn you! That site has a photo of a pain au chocolat - and now I'm hungry!
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Reminds me a little of when I nearly fell off Sigiriya:
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Looks like a good candidate for the LAVAcr.
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LAVA/OpenG NI-Week 2008 BBQ Countdown: only three weeks to go! Book your place at the hottest and coolest BBQ at NI-Week 2008 here!
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QUOTE (JiMM @ Jul 14 2008, 02:50 PM) *drool* That was one of the very few things I could say there with a Parisian accent
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Article - The Importance of Style in LabVIEW Programming
crelf replied to BobHamburger's topic in LabVIEW General
QUOTE (Val Brown @ Jul 13 2008, 07:37 PM) I think we've all been a little guilty of that at least once in our lives That said, that doesn't mean that I agree with your methods -
(they even include the ppt as a download from their site - I expect to see at least one reference to this presentation in yours Omar...)
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Article - The Importance of Style in LabVIEW Programming
crelf replied to BobHamburger's topic in LabVIEW General
QUOTE (Eugen Graf @ Jul 13 2008, 07:11 AM) Then don't try to moderate in the thread - click the "! Report" button beside the offending post - that's what it's there for. QUOTE (Jim Kring @ Jul 12 2008, 08:43 PM) "Fa-fa-fa-fa-fa-fa-fa-fa-fa-fa-fa-fa-fa-fa-fa-fa-fa... I keep singing them sad sad songs... sad songs are all I know."