Given a function :we want to find the points of the domain of where the value of is smaller (for minima, or larger for maxima) than all other points in some neighbourhood of .
- from some space. For beginners the real numbers but more generally topological spaces should work in general
- to the real numbers
In the case of Functionals, this problem is treated under the theory of the calculus of variations.
101 Crawfords Corner Rd Holmdel, NJ 07733 USA
They had a smaller building first: youtu.be/BPq_ZyOvbsg?t=51 and in 1962 opened the large new building.
Ciro Santilli's self perceived creative personality by 
Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01Ciro like to interpret this as him having "a creative personality" with the tradeoff of generally not being amazing at his well defined jobs.
Ciro is obsessed by that which is "quirky". This also often has a parallel with "naughty". He often fantasizes about an imaginary parallel between that feeling and Jobs and Wozniak's blue box.
Ciro's natural fight-or-flight response is to hide in a little corner, and try to solve the problem out. Then get distracted and start procrastinating. And then he tries to solve the unsolvable. Someone Ciro barely new once told him quite correctly:This is also perhaps why Ciro likes prison decks in Magic: The Gathering. You just sit on your corner, making yourself safer and safer, until the opponent can't do you any harm and concedes.
In the event of war, you would be the type that hides away and makes the bombs.
There are of course infinitely many videos on the "entrepreneurial mindset" online, and it is impossible to know if they are bullshit, or if everyone just feels like that, but OK, just let Ciro feels that he is specially creative will you?
Creative people continuously step outside of the domain of evaluation structures
If you are creative and you go off on tangents all the time, there's some probability that one of those tangents is going to be exactly what is needed at the time, and you are going to become hyper-successful as a consequence[but the probability of that being the right time and place for the idea is extraordinarily low]The sensible thing to tell anybody is "you shouldn't do it, your probability of success is so low, that its better to just to something sensible".
Ciro also one heard a story, likely apocryphal, but still nonetheless resonated with him, that went something like this (TODO find source, Google wasn't helping, stuff that happened before website as usual):
The newly hired manager of some subsection of DuPont (or some other gigantic chemical company) came into the office, and found a chemical engineer, completely drunk in the middle of the day.Outraged, the manager searched for this colleagues who explained.Ah, don't mind John (or some other name), the guy invented Teflon (or some other substance) which accounted for 20% of our revenue last year. Even if he does not do anything else in his entire career, his salary won't make any difference compared to those gains, and we take the chance that he might invent something else later.
Ciro likes this story because although he does not drink, he feels his work mind works in a related way. Often, when there is something really hard he knows needs doing he hides, and distracts himself with less important tasks, or by watching crap on YouTube, because he knows that the hard task will hurt his mind. Then one day he wakes up and says: OK, fuck it, let's do it, and does it.
Once Ciro got a performance review from a colleague that said:This is closely related to effortless effort.
If Ciro spent as much effort on his job as he does on side projects, he'd be the most amazing worker.
Yes, low conscientiousness, give it to me.
And I am not and never have been 'familiar' scene from The Big Short (2015)
. Source. Ciro Santilli's hardware Miele C2 Complete PowerLine vacuum cleaner by Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01Similar to: www.miele.co.uk/e/cylinder-vacuum-cleaner-compact-c2-powerline-sdrf4-10931670-p but slightly different from image. Indistinguishable from: www.currys.co.uk/gbuk/home-appliances/floorcare/vacuum-cleaners/miele-complete-c2-pure-power-powerline-cylinder-vacuum-cleaner-graphite-grey-10208570-pdt.html
Power symbol meanings: images-eu.ssl-images-amazon.com/images/I/A14OZ5TuwGS.pdf
2020-12: buying Miele SF AP 50 AirClean Plus filter www.miele.co.uk/e/airclean-plus-filter-sf-ap-50-10107860-p. Once it arrived, changed the filter, which fit comes with plastic casing and accordion shaped filter. Also changed bag. But the bag full meter still goes to red on carpet even with everything new while vacuuming. Is it supposed to be checked while not vacuuming?
Ciro Santilli's hardware Electrical tools by Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-012019-09 "AstroAI Digital Multimeter, TRMS 6000 Counts Multimeters Manual and Auto Ranging; Measures Voltage, Current, Resistance, Continuity, Capacitance, Frequency; Tests Diodes, Transistors, Temperature, Red" www.amazon.co.uk/dp/B071JL6LLL (archive). Manual: web.archive.org/web/20190904200759/https://static.astroai.com/manual/Astroai-Digital-Multimeter,-Trms-6000-Counts-User-Manual-en.pdf. www.youtube.com/watch?v=uDGCs1G0Tx8 AstroAI WH5000A Digital Multimeter some basic features
Ciro Santilli's hardware House 2021 by Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01Fridge: Lamona LAM6800 fridge freezer.
Washing machine: Lamona, someting along LAM8603: www.manualslib.com/manual/1049371/Lamona-Lam8603.html
- display lights meaning: www.coftonholidays.co.uk/wp-content/uploads/2020/02/Dishwasher-Instructions.pdf
- using: finish powerball quantum ultimate all in one tablests
- www.finish.co.uk/detergents-help but you also need salt and rinse, e.g. www.finish.co.uk/detergents-help
Ciro Santilli's hardware Micro Bit v1 by Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01General information: Micro Bit v1
The file:contains:
/media/$USER/MICROBIT/DETAILS.TXTDAPLink Firmware - see https://mbed.com/daplink
Version: 0234
Build: Oct 12 2015 14:53:222022-10-14: stopped being able to connect to Ubuntu 22.04. Was trying to do a UART video demo, connected USB, disconnected, connected, disconnected several times on different filming attempts. Was working some of the time, Ubuntu did recognize it, I even saw UART output for sure, but was a bit unstable. But then at one point it just stopped getting recognized by Ubuntu 100% of the time. The board is still being powered by USB, and the previously flashed program still runs, but nothing showed on
sudo dmesg -w at all, and I can't reprogram it!A day later, managed to get tit to connect once more with a different cable, but just once!
[15310.385055] usb 1-5: new full-speed USB device number 38 using xhci_hcd
[15310.534996] usb 1-5: New USB device found, idVendor=0d28, idProduct=0204, bcdDevice=10.00
[15310.535000] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[15310.535001] usb 1-5: Product: MBED CMSIS-DAP
[15310.535002] usb 1-5: Manufacturer: MBED
[15310.535003] usb 1-5: SerialNumber: 9900023436424e45001d30150000005d00000000cb8928bd
[15310.541267] usb-storage 1-5:1.0: USB Mass Storage device detected
[15310.541643] scsi host4: usb-storage 1-5:1.0
[15310.542658] hid-generic 0003:0D28:0204.000A: hiddev1,hidraw2: USB HID v1.00 Device [MBED MBED CMSIS-DAP] on usb-0000:00:14.0-5/input3
[15310.543121] cdc_acm 1-5:1.1: ttyACM0: USB ACM device
[15311.549969] scsi 4:0:0:0: Direct-Access MBED DAPLINK VFS 0.1 PQ: 0 ANSI: 2
[15311.550273] scsi 4:0:0:0: Attached scsi generic sg1 type 0
[15311.550825] sd 4:0:0:0: [sdb] 16512 512-byte logical blocks: (8.45 MB/8.06 MiB)
[15311.551052] sd 4:0:0:0: [sdb] Write Protect is off
[15311.551054] sd 4:0:0:0: [sdb] Mode Sense: 03 00 00 00
[15311.551204] sd 4:0:0:0: [sdb] No Caching mode page found
[15311.551207] sd 4:0:0:0: [sdb] Assuming drive cache: write through
[15311.572160] sd 4:0:0:0: [sdb] Attached SCSI removable disk
[15316.317438] usb 1-5: reset full-speed USB device number 38 using xhci_hcd
[15316.445093] usb 1-5: device descriptor read/64, error -71
[15316.681102] usb 1-5: device descriptor read/64, error -71
[15316.917102] usb 1-5: reset full-speed USB device number 38 using xhci_hcd
[15317.045028] usb 1-5: device descriptor read/64, error -71
[15317.281149] usb 1-5: device descriptor read/64, error -71
[15317.517154] usb 1-5: reset full-speed USB device number 38 using xhci_hcd
[15317.517466] usb 1-5: Device not responding to setup address.
[15317.725358] usb 1-5: Device not responding to setup address.
[15317.933042] usb 1-5: device not accepting address 38, error -71
[15318.061027] usb 1-5: reset full-speed USB device number 38 using xhci_hcd
[15318.061347] usb 1-5: Device not responding to setup address.
[15318.269270] usb 1-5: Device not responding to setup address.
[15318.477018] usb 1-5: device not accepting address 38, error -71
[15318.477153] usb 1-5: USB disconnect, device number 38
[15318.652912] usb 1-5: new full-speed USB device number 39 using xhci_hcd
[15318.785044] usb 1-5: device descriptor read/64, error -71
[15319.021068] usb 1-5: device descriptor read/64, error -71
[15319.257030] usb 1-5: new full-speed USB device number 40 using xhci_hcd
[15319.385075] usb 1-5: device descriptor read/64, error -71
[15319.621147] usb 1-5: device descriptor read/64, error -71
[15319.729170] usb usb1-port5: attempt power cycle
[15320.384941] usb 1-5: new full-speed USB device number 41 using xhci_hcd
[15320.385176] usb 1-5: Device not responding to setup address.
[15320.593188] usb 1-5: Device not responding to setup address.
[15320.801023] usb 1-5: device not accepting address 41, error -71
[15320.928909] usb 1-5: new full-speed USB device number 42 using xhci_hcd
[15320.929073] usb 1-5: Device not responding to setup address.
[15321.137244] usb 1-5: Device not responding to setup address.
[15321.344947] usb 1-5: device not accepting address 42, error -71
[15321.345173] usb usb1-port5: unable to enumerate USB device
[15321.384929] FAT-fs (sdb): unable to read boot sector to mark fs as dirtySome threads:
- askubuntu.com/questions/1317548/webusb-doesnt-work-connecting-to-microbit after system upgrade, Ubuntu sees it but fails
- askubuntu.com/questions/1288738/cannot-pair-microbit-through-usb-on-xubuntu-16
Exact same USB and port could still mount the Raspberry Pi Pico.
Ciro Santilli's hardware Lenovo Yoga YT3-X50F by Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01This is crap, became slow very fast. The battery is IMPOSSIBLE to remove!!! youtu.be/kO-RwIQ_i1w?t=162 Battery was 4.163V when thing wouldn't turn on anymore. But topbattery.co.uk/product/original-battery-for-tablet-lenovo-yoga-tab-3-yt3-x50fyt3-x50m-sl20076-2/ says it is 3.6V. What?
Where most of Ciro Santilli's ancestors came from, and why Ciro has the Italian nationality as well as Brazilian.
More specifically his paternal line comes from Gissi in the Abruzzo region.
Ciro feels really bad by the fact that he does not speak Italian and has never visited Gissi as of 2020.
He would likely be able to learn Italian in like 3 months because it is so similar to Portuguese and French which he already speaks.
And a cycling visit maybe? That would be amazing! en.wikipedia.org/wiki/Giro_d'Abruzzo | www.youtube.com/watch?v=OW7wqa3vNU8&list=UU35qUU5iZPvuzcre43EV8bA&index=25
For what it is worth though, Ciro Santilli does honestly love Europe, and feels a strong desire to make it even awesomer, along with the rest of the world. Despite this being a hopeless attempt due to having more than one natural language is bad for the world.
If Achilles' had his heel, Ciro had his knee.
First during University in Brazil while trying a kick up during the development of Cirodance his knee went a bit weird for a few weeks.
Then, just after arriving in France for École Polytechnique, the boys were playing indoor soccer, and to impress the girls Ciro was playing really hard, even took off his shirt, and suddenly when he was running by himself his knee snapped, he fell and it hurt like hell.
Ciro was on crutches for a few weeks, but the inflammation went away, but then he tried to play more soccer, but the knee was not as stable as before, and once he tried to run full speed, it slipped and hurt him a bit more (less severely) and so he gave up. For some reason it was not visible on the tomography made at the hospital.
Maybe Ciro should have investigated more though, certainly an experienced doctor could have done a hand pressure exam to determine which joint was damaged manually even. That was a medical failure.
So from this day on Ciro gave up on all interesting sports, and confined himself to more repetitive stuff like gym weights and cycling: Section "Ciro Santilli's sport practice". At Polytechnique he was forced to take up swimming as his mandatory sport, that was unbearably boring.
This defect is likely genetic since a close relative had similar problems.
But oh well, his then not-even girlfriend was impressed enough by the soccer or sorry enough for the sucker to marry him, so it worked out.
Early centralization is the source of much evil by Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01
Ciro Santilli 35 Updated 2025-04-24 +Created 1970-01-01Repeat this mantra:
Only decentralize when inevitable.
Only decentralize when inevitable.
Only decentralize when inevitable.
Anti-Piracy Ad by The IT Crowd (2007)
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