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Messages - Mark0 [ switch to compact view ]

Pages: [1] 2 3 4 5 6 ... 26next
Living Room / Re: Show us a picture of your.. CAR!!!
« on: March 10, 2021, 04:20 PM »
Recently I sold the 2009 Honda Insight from page 1 of this thread. I couldn't have hoped for a better experience, since in about 12 years it haven't had a single thing go wrong (aside from the obvious 12V battery change). It was still basically looking and running like new:


Coming from an hybrid the logical next step was an EV, so I just got a Model 3 LR:


Congratulations mouser! Best of luck on this new endeavor!  :Thmbsup:

Living Room / Re: Gadget WEEKENDS
« on: March 09, 2021, 05:23 PM »

Got a Xiaomi Air Pump to check/fix the tyres pressure without having to move out the big compressor.
It's compact and weight less than 0.5KG. Took about a minute and a half to take a 18" tyre from 2.6 to 2.9 bar.
The car sensors agree with the set pressure, so it seems precise enough. Done all 4 wheels, and then another, smaller car before the LED signaled 25% or less charge.

Living Room / Re: Recommend some music videos to me!
« on: March 09, 2021, 05:31 AM »
Ludovico Einaudi and Alessia Tondo:

Living Room / Re: Favourite youtube channels
« on: February 13, 2021, 01:51 PM »
RMC - The Cave:

As the about says, it's really "a celebration of retro computers, games and history."

Neil recently wrote a book, and has a lot of interview with devs, computer artists, etc.

Another interesting channel is deramp5113:

Tons of practical demo and explanations with the venerable Altair 8800 and a modern remake/clone.

Living Room / Re: Recommend some music videos to me!
« on: February 17, 2020, 10:21 AM »
Recording for Mirages: Sabine Devieilhe - French Opera Arias.

Living Room / Re: Recommend some music videos to me!
« on: January 27, 2019, 01:26 PM »
A very nice rendition of Morricone's classic.

Hi Mouser!
YEP! I remember the thread! :)
Hopefully this will be useful to someone.

Since I have the necessary hardware at hand and some spare time, why not?
I can make an image of basically any 3.5" floppy disc, from any PC/musical instrument/old machinery, excluding Extra High Density/2.88MB ones. I may get a 5"1/4 drive too, but don't count too much on it, and I surely won't be bothered with flippy disks.

So if you have some documents written with an old word processor on an 8 bit home computer, or sounds samples for an old synth, etc., this may be the right occasion to get them in a format ready to be used in an emulator, or converted in some ways.

This is not in any way some kind of pro service, just a friendly favour.
I offer no warranties, and take no responsibilities of any kind -- if you have very delicate items, sensible/reserved data, etc., asks some reputable service that do this professionally.
I obviously won't pay anything to receive the package (postage surcharges, duty imports, etc.).

I'll receive the disks, try to read them and make the image files available to you, within a reasonable time.
Afterwards, successfully imaged or not, the disks will be disposed and not sent back.

If you'll be supremely happy with the results, I'll eventually gladly accept only a postcard from your city, or some beer money ;D , but it's absolutely NOT needed.

You need to be an active member with some activity on the board (not an account just created yesterday, so to speak).

It will be probably interesting just for someone in Europe, due to shipping costs, but I don't really know.
I may also stop accepting new requests at any time (imaging already agreed upon will be honoured of course), depending on how much work this may turn out to be.
If you are interested, just send a PM.

Well deserved! Congratulations!  :Thmbsup:

I humbly propose my TrID tool. :)
Your example could be a GUI interface for it.

Living Room / Re: Recommend some music videos to me!
« on: April 29, 2018, 11:37 AM »
A poem in music by Natalie Merchant:

Early wake for a live performance in a morning show, with a missing band member! :D

Living Room / Re: Does anyone here use Bitcoins?
« on: March 12, 2018, 08:31 AM »

Crypto currencies: everything you don't understand about money, combined with everything you don't understand about computers!
-John Oliver

Notice this just now. Very nice find, thanks! Will surely recommend it to some friends.

Living Room / Re: Does anyone here use Bitcoins?
« on: July 13, 2017, 05:01 AM »
On the subject, fresh from EEVblog:

Pavol Rusnak, SatoshiLabs CTO, also posted on the forum to clarify some points:
EEVblog Electronics Community Forum - EEVblog #1006 - Trezor Bitcoin Hardware Wallet Teardown

Another leading HW wallet manufacturers is the french Ledger.

A HW wallet is surely highly recommended for anyone with a non trivial sum in cryptos, IMHO.

I have designed another related tool, that can both cover other scenarios and integrate with SeqBox:


The purpose of BlockHashLoc is to enable the recovery of files after total loss of File System structure, or without even knowing what FS was used in the first place.

The way it can recover a given file is by keeping a (small) parallel BHL file with a list of crypto-hashes of all the blocks (of selectable size) that compose it. So it's then possible to read blocks from a disk image/volume, calculate their hashes, compare them with the saved ones and rebuild the original file.

With adequately sized blocks (512 bytes, 4KB, etc. depending on the media and File System), this let one recover a file regardless of the FS used, or the FS integrity, or the fragmentation level.

This project is related to SeqBox. The main differences are:

  • SeqBox create a stand-alone file container with the above listed recovery characteristics.
  • BHL realize the same effect with a (small) parallel file, that can be stored separately (in other media, or in the cloud), or along the original as a SeqBox file (so that it can be recovered too, as the first step), so it can be used to add a degree of recoverability to existing files.

A nice practical demonstration of the level of optimiziations and features of moderns C++ compilers:

Living Room / The backfire effect
« on: May 03, 2017, 01:31 PM »

Living Room / Re: Recommend some music videos to me!
« on: April 27, 2017, 02:15 PM »
Sharon den Adel (Within Temptation) and Anneke van Giersbergen (The Gathering):

@Mark0: Thanks. The version 3 is necessary only because that is the version my daughter is being taught with at school.

I understand but usually, in the context of Python, when one say Python 3(.x) is to contrast that to Python 2(.x). At some point they decided to sort out the language, and loose some inconsistencies and ugliness even if the price was backward compatibility. So they have become like 2 different dialects, and you see all the time in Python projects stated that they'll work in Python 2 or 3 (and sometimes both).
So it's probably worth checking, but I doubt they are really using such an old version like 3.0.x.

The 3.0 version is quite old (years). The current one is 3.6.x:

As for 32 or 64 bit, it doesn't do much difference, except when dealing with some additional/external modules, but even those at this time are usually available in both versions. Basically you can't go very wrong either.

I saw often recommended "How to Think Like a Computer Scientist". You can find online both PDF and online/interactive version, like this one:

I liked a lot this Google Python Class by Nick Parlante, in 6 parts:

IMHO it's very well conducted and engaging, and can bring one up to speed and coding something interesting in Python very fast. The only con is that it's based on Python 2.x. But the difference in the topic explored aren't that great (mostly just put parenthesis after print, which is a function in Py3 and a statement in Py2).

Living Room / Re: Interesting "stuff"
« on: April 06, 2017, 07:29 AM »

but this really does sound like something everyone SHOULD be using

Well, I don't think we are quite there at the moment! :)
Let's say that, aside from experimenting, it could surely be used as additional back up/security measure.

Being a suite of command line tools it's not super user friendly, but I hope to add additional documentation and examples soon.

You could consider an SBX archive like a ZIP one, with only 1 file inside, and stored / non-compressed.
So yes, the file will need to be decoded / extracted with SBXDec to get the original file.
But, like there are software that can access files inside a ZIP archive without extracting it (like music players that directly can play MP3s stored inside a compressed archive), nothing prohibits to do the same with SBX archives.
It would be actually very easy, since the format is very simple, and the original file isn't changed in any way, just divided in blocks. As such even random access is possible without any issues.

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