Cloud Diagrams & Notes

Jerry Hargrove – Cloud Diagrams & Notes is an excellent resource for (mostly Amazon AWS) cloud diagrams and notes. I’m sure I’ve seen some of these around, but never thought to visit the original site. To some degree, these are similar to the Julia Evans’ drawings, but are more subject specific.

Managing dotfiles with rcm

These days it is a common practices to manage, version, and share configuration files for command line tools (bash, vim, etc) via a GitHub repository. There are plenty of open repositories to study and borrow things from, as well as the tools and scripts to help one with setting things up. Have a look at the awesome-dotfiles – a curated list of dotfiles resources.

Fedora Magazine runs an article about rcm – one of the many tools that are handy for managing dotfiles.

Personally, I haven’t heard of rcm until now. My own setup went through several iterations, varying from custom scripts, to Puppet, and now to Ansible. Have a look here. By the way, my dotfiles aren’t only about the command line tools. I also keep my desktop environment configuration in there (MATE + i3).

New in PHP 7.4

New in PHP 7.4” is a quick and simple introduction into changes and new features of the upcoming PHP 7.4, which is planned for release in December of 2019. In brief:

  • Preloading (parsed source code caching)
  • Typed properties
  • Improved type variance
  • FFI (Foreign Function Interface) – a way to run C code from within PHP
  • Null coalescing assignment operator (??=)
  • ext-hash always enabled
  • Password hashing registry