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> What is the last thing you thought?, Tech Edition

 
post Jan 10 2020, 10:28
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elda88



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^

I don't like Tobin. But then it is always clear he's not the nicest guy in the PM forum.
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post Jan 10 2020, 16:19
Post #4662
Moonlight Rambler



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Reminds me a little of a time a few years ago that I made a custom-branded Seamonkey package, using another logo someone tried to assert copyright over.
[i.imgur.com] (IMG:[i.imgur.com] https://i.imgur.com/MbZXdoyg.png)
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post Jan 11 2020, 12:40
Post #4663
uareader



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I wonder if I would start an urban legend, if I asked around whether elevators doors can indeed close faster, if you first press the button for the floor you're at, then press the button for the floor you want to go.
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post Jan 11 2020, 22:12
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QUOTE(uareader @ Jan 11 2020, 05:40) *

I wonder if I would start an urban legend, if I asked around whether elevators doors can indeed close faster, if you first press the button for the floor you're at, then press the button for the floor you want to go.

I bet it would. Like the idea that holding a button will make it easier to catch Pokémon.

I wonder if I could feasibly modify a Roland MT-32 for a digital audio output (ideally via S/PDIF or something).
I know it's possible for early playstation (original) units, but I've not looked into how it's accomplished there.

This post has been edited by dragontamer8740: Jan 11 2020, 22:48
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post Jan 13 2020, 22:56
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Jhonny Mirou



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Knew a guy who would tilt 3DS opposite if the ball nudges(during capture)
I mean, if it works with malamar, should work in other ways, right? (IMG:[invalid] style_emoticons/default/biggrin.gif)
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post Jan 14 2020, 02:15
Post #4666
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Struggling with which Synology NAS should I buy.
Considering DS918+ and DS1618+ model, I can't easily distinguish which model is suitable to have in case trying to use it with more than 12 people for some data and manga back-up and 4K transcode (transcode user would be 1 to 2 people as I guess).
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post Jan 16 2020, 01:51
Post #4667
Moonlight Rambler



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Got to find a good place to mount a region toggle switch on my Amiga (between NTSC & PAL modes).
It's got the Enhanced chipset's "Agnus" chip, so I expect I should just need to hook the switch up to a jumper (as I'm using RGB and don't necessarily need to change a subcarrier-generating crystal).

I might try to put another crystal on the switch as well though.
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post Jan 17 2020, 18:34
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SDR dongles are neat, but getting the software right is not.
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post Jan 19 2020, 22:03
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That fuck HP and Apple laptops.
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post Jan 19 2020, 23:03
Post #4670
Moonlight Rambler



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Found a good place to mount the switch. Yes, that is a Lego. Turns out they fit well on the end of the latching Mitsumi power switch from an NES (I had a very, very dead one I've been pulling parts from for a while).
(IMG:[i.imgur.com] https://i.imgur.com/vobmJ6C.jpg)

This post has been edited by dragontamer8740: Jan 20 2020, 12:47
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post Jan 20 2020, 17:07
Post #4671
Moonlight Rambler



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Just found a multi-GiB gallery on here with a lot of PNG files that could have 20%-50% of their sizes shaved off by pngcrush.
I wish there were more incentive for people to run images through something like that before uploading (if they don't have important metadata, at least).

While I'm asking for impossible things, I also wish I could expect people to have a basic understanding of how to use a command line.
Would be great if schools actually taught useful stuff like that. Batch-processing of files is a godly productivity increase.

This post has been edited by dragontamer8740: Jan 20 2020, 17:22
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post Jan 20 2020, 21:47
Post #4672
uareader



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QUOTE(dragontamer8740 @ Jan 20 2020, 16:07) *
I wish there were more incentive for people to run images through something like that before uploading (if they don't have important metadata, at least).
Like removing the rule about posting "as published"? (IMG:[invalid] style_emoticons/default/rolleyes.gif)
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post Jan 20 2020, 23:29
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QUOTE(uareader @ Jan 20 2020, 14:47) *

Like removing the rule about posting "as published"? (IMG:[invalid] style_emoticons/default/rolleyes.gif)

Does that really necessarily include things like a lossless reduction in filesize? The raster still is displayed exactly as 'published.'
When you can save ~2GiB (so far, still running pngcrush) and lose no quality I'd say it should be worth it as there's literally no benefit to leaving them bigger if you don't have some special important metadata attached.

Also this wasn't a digital manga/doujin or anything... It's misc category western stuff.

The rule specifies "all formal works must be "uploaded as published," and even for formal works it states that "File sizes should remain reasonable."

Also it requires conversion of bmp's and similar into PNG's, which is a lossless conversion, so it follows that a lossless PNG -> PNG conversion would also be acceptable as it is visually the same image.

This post has been edited by dragontamer8740: Jan 21 2020, 04:41
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post Jan 22 2020, 03:52
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elda88



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A remux is supposed to be 1:1 copy of the original video ripped from the video disc. But I've found that some of them have been encoded using MPEG-2 codec rather than the usual H264/AVC codec. Even at a bitrate of around 20mbps, is the original quality of the Bluray video still retained in an MPEG-2 encoded remux?
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post Jan 22 2020, 04:58
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QUOTE(loli-hujan86 @ Jan 21 2020, 20:52) *

A remux is supposed to be 1:1 copy of the original video ripped from the video disc. But I've found that some of them have been encoded using MPEG-2 codec rather than the usual H264/AVC codec. Even at a bitrate of around 20mbps, is the original quality of the Bluray video still retained in an MPEG-2 encoded remux?

If MPEG-2 was used on the blu ray and you're really just remuxing without re-encoding, yes. But most blu-ray is not encoded in mpeg-2; it is technically allowed by the spec though and some early discs did use it. 20mbps will likely look quite good.

If however it was h.264 re-encoded to MPEG-2 (h.262), the answer is categorically no. I don't think mpeg2 can be losslessly encoded.

This post has been edited by dragontamer8740: Jan 22 2020, 06:13
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post Jan 23 2020, 05:59
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elda88



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QUOTE(dragontamer8740 @ Jan 22 2020, 10:58) *

If MPEG-2 was used on the blu ray and you're really just remuxing without re-encoding, yes. But most blu-ray is not encoded in mpeg-2; it is technically allowed by the spec though and some early discs did use it. 20mbps will likely look quite good.

If however it was h.264 re-encoded to MPEG-2 (h.262), the answer is categorically no. I don't think mpeg2 can be losslessly encoded.

Thanks for the info. Maybe encode wasn't the right word I should use, since it is associated with video compression or bit rate reduction.

This post has been edited by loli-hujan86: Jan 23 2020, 06:03
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post Jan 24 2020, 07:44
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Apple's decided to break app signing on non-macs again. Not surprised, just observing it though.
It makes maintaining a tethered jailbreak an even bigger pain in the ass than it already was since now I have to do it through a VM. Good thing I only have to use iOS about once every six months (when someone asks me to debug an old app I was involved with porting). Also I have one iOS 8 untethered JB device (and an untethered 4.2, but that's ARM11).

QUOTE(loli-hujan86 @ Jan 22 2020, 22:59) *

Thanks for the info. Maybe encode wasn't the right word I should use, since it is associated with video compression or bit rate reduction.

I thought you said it was just remuxed, but also wasn't sure if you meant the BD originally used mpeg-2 or h.264.

mpeg-2 is (I think) capable of similar quality to lossy h.264, but it just takes a higher bit rate to achieve it.

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post Jan 24 2020, 10:07
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QUOTE(dragontamer8740 @ Jan 24 2020, 13:44) *

I thought you said it was just remuxed, but also wasn't sure if you meant the BD originally used mpeg-2 or h.264.

mpeg-2 is (I think) capable of similar quality to lossy h.264, but it just takes a higher bit rate to achieve it.

oh, it is just remuxed. I just thought after a while maybe "encode" wasn't the right word to use when talking about 1:1 copy. I probably should've just said "ripped using MPEG-2 codec" to avoid confusion.
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post Jan 24 2020, 16:25
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QUOTE(loli-hujan86 @ Jan 24 2020, 03:07) *

oh, it is just remuxed. I just thought after a while maybe "encode" wasn't the right word to use when talking about 1:1 copy. I probably should've just said "ripped using MPEG-2 codec" to avoid confusion.

"Ripped from a disc that stored the video in mpeg-2" might be better still.
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post Jan 24 2020, 16:38
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elda88



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QUOTE(dragontamer8740 @ Jan 24 2020, 22:25) *

"Ripped from a disc that stored the video in mpeg-2" might be better still.

Yup, that might be better.

This post has been edited by loli-hujan86: Jan 24 2020, 16:39
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