Asmens kodų regex pagal ES šalis

 https://ipsec.pl/european-personal-data-regexp-patterns.html

LT pvz:  [3-6][0-9]{2}[0,1][0-9][0-9]{2}[0-9]{4}  

patikslintas: [3-6][0-9]{2}(1[0-2]|0[1-9])[0-3][0-9][0-9]{4}

(šaltinis):

[^0-9]  [0-5][0-9]{2}   (1[0-2]|0[1-9])  [0-3][0-9]  [0-9]{4}...

inode usage paieskos

 greitas top direktoriju radikjlis, randantis net giliai esancias direkmtorijas

{ find / -xdev -printf '%h\n' | sort | uniq -c | sort -k 1 -n; } 2>/dev/null

vienos direktorijos inode counteris:

find . -printf "%h\n" | cut -d/ -f-2 | sort | uniq -c | sort -rn

greitas trynimas senesniu nei 20d failu

find /opt/remi/php54/root/var/lib/php/session/ -atime +20 | xargs -r rm

php and web sockets

 http://socketo.me/  igalina paleisti php serveri klausanti kakzoki tai porta, kad galetume apdoroti websocket susijungimus, uzklausas

shell script as a daemon

 https://unix.stackexchange.com/questions/426862/proper-way-to-run-shell-script-as-a-daemon

template:

https://gist.github.com/shawnrice/11076762

PWA push notifications, indexed db storage

 https://www.smashingmagazine.com/2018/11/guide-pwa-progressive-web-applications/

PWA tricks

 https://github.com/deanhume/pwa-tips-tricks

PWA - progressive web app - add to home screen, register service-worker (sw.js)

 https://www.simicart.com/blog/pwa-add-to-home-screen/ 

https://www.simicart.com/blog/pwa-service-worker/

https://notificare.com/blog/2020/05/01/How-to-make-an-installable-pwa/

https://codelabs.developers.google.com/codelabs/add-to-home-screen/index.html

privalo buti tinkamas manivestas ir registeed servide weokeris.

tinkamai viska altikus, narsykle pati isullo instaliuoti. appsas instaliuojasi telefone prie visu appsu.

sync data, build apk, windows store app:

https://www.creativebloq.com/features/9-amazing-pwa-secrets

https://www.pwabuilder.com/

https://www.pwabuilder.com/imageGenerator

https://www.dunplab.it/pwa-tester-online

offline, caching

https://medium.com/samsung-internet-dev/pwa-series-service-workers-the-basics-about-offline-a6e8f1d92dfd