cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian
Upgrade to Debian 12 Bookworm from Debian 11 Bullseye [...]
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Upgrade MariaDB on Debian 11 / Ubuntu 20.04
user@server:~$ mariadb --version
mysql Ver 15.1 Distrib 10.6.*-MariaDB, for debian-linux-gnu (x86_64)
Upgrade to MariaDB 10.6 from MariaDB 10.5 [...]
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cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
NAME="Debian GNU/Linux"
VERSION_ID="11"
VERSION="11 (bullseye)"
VERSION_CODENAME=bullseye
ID=debian
Upgrade to Debian 11 Bullseye from Debian 10 Buster [...]
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<?php
// Problem:
var_dump( 2161.06+1498.47 );
// result (error): float(3659.5299999999997)
// Solution with BC Math:
var_dump( bcadd('2161.06', '1498.47', 13) );
// result (success): string(18) "3659.5300000000000"
PHP Problem: floating point precision. Solution: BC ... [...]
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