I'm trying to upload a screenshot, but apparently you can't FTP from a Mac for less than $24. WHAT. THE. FUCK.
As tster mentioned before, take a deep look into Jabber and XMPP protocol
This is why you might like it:
Yes, it's a bad thing. This join syntax was old ten years ago. The biggest problem with it is that is doesn't fail gracefully. With an ANSI join, if you forget the join criteria, you get an error and you fix it. With the non-ANSI syntax, you get a cartesian product. If your lucky, you kill the query because it is taking so long and fix it. If you are unlucky, your sample data one has one row in one of the tables and you release it to production. Once in production, it proceeds to return inaccurate data and if you are really unlucky, renders the server unusable due to too many trillion-row result sets being returned.
Been there, done that, haven't you?
Do you want the sound to be heard on both amps simultaneously or to rapidly switch between them? If you want to switch, a second sound card for the PC will give best quality/price ratio. If simultaneous:
Check the outputs on the sound card in the computer. If it's a
5.1 card and you want to connect 2 stereo amps, you can connect one to
the FRONT output, the other one to the REAR output and configure the
card to send stereo signal on both.
If it's not 5.1 or you want to connect 2 5.1 amps, you'll need splitters as described above. Ground potential is a big problem in PA installations, but for home audio just be sure to use grounded outlets - powering the whole system from one outlet is recommended.
Floppies are still used with legacy embedded solutions. For example:
A fun thing for try with your USB host device: try to fit an USB-A connector the other way round (as mentioned above) or short pin 1 and 4. This should give you a nice outlook on how your host system responds to bogus wiring. I've seen various tactics: emergency PSU shutdown, MB-controlled USB bus shutdown (on modern mobos this works really well), spontaneous system reset or no protection at all (molten plastic and magic smoke FTW!)
I actually managed to do this myself several times by accident - I had (I have? gotta check) a damaged USB extension cord that used springs instead of a stiff pad to keep pins in place when the connector is attached to a socket. You had to think twice before inserting a pendrive - I made the mistake several times.
DISCLAIMER: Those experiments are definately fun, but you may fry your favorite computer, despite whatever the manufacturer told you.
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