The Lounge What is on Your Mind? Does anyone know what technology this logo belongs to? Post 303039069 by Neo on Sunday 22nd of September 2019 12:05:15 AM
Maybe it's a sticker for "o1" visa holders in the US Smilie

The O1 visa is a non-resident US visa for people who demonstrate extraordinary ability in their field, whether that be the arts, sport, business, education, or the sciences. The O1 could be considered the non-resident equivalent of the EB1-1 ( the “Extraordinary Ability Green Card”, which gives permanent residency).
... and the rocket engineers signify how this visa "rockets" people outside the US to succeed?

Just a thought Smilie
Test Your Knowledge in Computers #589
Difficulty: Medium
A binary search algorithm requires that the array being searched is sorted in descending order.
True or False?

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CheckDigits::M10_001(3pm)				User Contributed Perl Documentation				 CheckDigits::M10_001(3pm)

CheckDigits::M10_001 - compute check digits for Bahncard (DE), IMEI, IMEISV, ISIN, Miles&More, Payback (DE), Personnummer (SE), Passport (BR), Credit Cards, SSN (US), Samordningsnummer (SE), VAT RN (ES), VAT RN (IT), VAT RN (SE), International Securities Identifikation Number (ISIN) SYNOPSIS
use Algorithm::CheckDigits; $visa = CheckDigits('visa'); if ($visa->is_valid('4111 1111 1111 1111')) { # do something } $cn = $visa->complete('4111 1111 1111 111'); # $cn = '4111 1111 1111 1111' $cd = $visa->checkdigit('4111 1111 1111 1111'); # $cd = '7' $bn = $visa->basenumber('4111 1111 1111 1111'); # $bn = '4111 1111 1111 111' DESCRIPTION
ALGORITHM 1. Beginning right all numbers are weighted alternatively 1 and 2 (that is the check digit is weighted 1). 2. The total of the digits of all products is computed. 3. The sum of step 3 ist taken modulo 10. 4. The check digit is the difference between 10 and the number from step 3. To validate the total of the digits of all numbers inclusive check digit taken modulo 10 must be 0. METHODS is_valid($number) Returns true only if $number consists solely of numbers and the last digit is a valid check digit according to the algorithm given above. Returns false otherwise, complete($number) The check digit for $number is computed and concatenated to the end of $number. Returns the complete number with check digit or '' if $number does not consist solely of digits and spaces. basenumber($number) Returns the basenumber of $number if $number has a valid check digit. Return '' otherwise. checkdigit($number) Returns the checkdigit of $number if $number has a valid check digit. Return '' otherwise. EXPORT None by default. AUTHOR
Mathias Weidner, <> SEE ALSO
perl, CheckDigits, For IMEI, IMEISV: ETSI Technical Specification TS 100 508 (v6.2.0) perl v5.10.0 2008-05-17 CheckDigits::M10_001(3pm)

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