New posts in Package Writing

What is the simplest way to extract a URL from a .bib entry for use in \href{}{} (probably using Biblatex)?

When to use TeX vs LaTeX for package writing

Equation connected by lines

Parsing hexadecimal numbers to binary and iterating over bits

Load font from package directory using fontspec

Is it really bad to use \makeatletter and \makeatother in a package or class file?

\newcommand vs \DeclareRobustCommand

Emulate a "tuple" data structure when the syntax for creating a tuple is predefined and cannot be altered

Any suggestions/requests for features for a new package that allows disabling ligatures for (pre)selected words?

How do I create a LaTeX package?