Today I learned

Inspired by jbranchaud, this is a list of small bits of information I discover while programming, or doing other stuff, ranging from bugs and time sinks to "I wish I had known this before".

CMake

• Runtime library options ignored on Windows

C++

• Parsing incomplete timestamps

Emacs

• Ctrl-R does not work in evil mode search

• Customising underline styles in an emacs theme

• Defining custom commands in emacs

• Echo commands in emacs

• Vim-compatible regex in evil-search

• Listing keybinds, variables, keys, etc.

• Loading emacs themes or plugins from version control

• Pasting images in emacs

• Preview images in markdown files

• Previewing markdown files in emacs

• Vim quickfix in emacs

Firefox

• Prevent websites from choosing fonts

Git

• Dealing with CRLF

Java

• Native accessibility APIs in Java Swing

Krita

• Pseudo-infinite canvas in krita

Linux

• Disable SSH password auth on ubuntu server

• IPv6 leak with OpenVPN

• Resolvectl DNS can override networkmanager

Lua

• Multiple return values from index function

MSSQL

_{The single worst database in existence}

• Get and set default schema

Nginx

• Blocking user agents

SSH

• Using SSH agents, and specifying which SSH key to use with pass-cli

WSL

• Problem megathread