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Old 12th June 2017, 16:30   #41  |  Link
videoh
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Obviously I was talking about the spatial placement as that was the point raised by hello_hello. B and b are the top and bottom fields of a single progressive frame, so it doesn't matter what order they are displayed in. They don't have to be displayed together in the same frame as you claim; indeed that is why you see 3 interlaced frames followed by two progressive when stepping by frames. 3:2 pulldown was designed to put film on interlaced 29.97fps (NTSC). If all this were not the case then 3:2 pulldown would not work and would be useless. And applying pulldown to non-progressive frames is stupid. So many pedants and quibblers at this forum!

Sorry to hear about your learning limitations. It explains a lot.

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Old 12th June 2017, 16:51   #42  |  Link
StainlessS
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Katie, this intended more for those who already have some coding experience, but maybe of some use (at least to get the gist of it).

https://learnxinyminutes.com/docs/c++/

Was brought to my attention as link (to Python I think) in Vapoursynth docs.
(Lots more Learn X in Y minutes, from the home page).

Not interactive.
EDIT: Took me way more than 2 days to learn C.

EDIT: Actually, above was for CPP, here for C:- https://learnxinyminutes.com/docs/c/

And the parent page with bucket loads more subjects:- https://learnxinyminutes.com/
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Old 12th June 2017, 17:02   #43  |  Link
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IMO, any book can be made "interactive" by simply typing the examples into a compiler and running them, single-stepping them, looking at the variables, trying out small modifications, etc.

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Old 12th June 2017, 17:11   #44  |  Link
Groucho2004
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Quote:
Originally Posted by StainlessS View Post
Katie, this intended more for those who already have some coding experience, but maybe of some use (at least to get the gist of it).

https://learnxinyminutes.com/docs/c++/
That's just horrible.

It used to be "Learn C/C++ in 7 days", then 24 hours, now it's minutes (WTF?). These things always fall short, mainly because they tell you what do to but not why.
Kernighan and Ritchie is hard to beat for plain C.
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Old 12th June 2017, 17:27   #45  |  Link
StainlessS
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I took copies of about 10 or 12 pages from that site, when trying to figure out what a python script was doing and why it did not work for me.
(called something like "Avisynth Trackin", or similar, track moving objects frame by frame).

With help of the XinYmins thing, was quickly able to figure out that it was because I had Phython 3 installed, and Trackin thing required v2.???.
(I got it workin OK, IIRC, Print works different for v2.0 and v3.0, Function(v3) instead of Subroutine, I think)

Handy to have if you just want to get at something quick.

Worst part for me learning C was figuring out where all of them there damn Semi Colons (';') went, seemed like you just liberally scattered
them wherever there seemed to be too much white space.
(K&R for me too, I remember studying for days, the Bachus Naur notation [or something like that] at the back of the book).

EDIT: Backus–Naur,
https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form

EDIT: Search Google C interpreter for do it yourself, interactive play time:- https://www.google.co.uk/search?site...k1.6UXaWXRe-F0
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