Welcome to Dave’s Brain

I've been a developer for years and have kept some notes. This is my place to share them. I'll add more. Hopefully they are useful to somebody.

• 2022.oct.05 Computer Tips - certbot: delete a certificate
• 2022.sep.22 Programming Tips - Java: make an MD5 hash (digest)
• 2022.sep.16 Programming Tips - jQuery: do something when an image is loaded
• 2022.sep.13 Computer Tips - Postfix: postfix/postdrop warning: mail_queue_enter: create file maildrop/N.N Permission denied
• 2022.sep.13 Computer Tips - Firefox: block notifications (popups asking the question)
• 2022.aug.21 Programming Tips - C/C++: SSL/TLS libraries

More recent articles >