New posts in Rules

\hhline adds white line where no line is intended

\cellcolor overwrites table lines

Extra vertical space after \hline causes a gap in the right border of an array

Draw a line through one column of a matrix

Center-justify with hrule above and below

Longtable does not break correctly when used with \specialrule instead of \hline

Too long vertical lines in table

\cline doesn't work

Horizontal line of custom length like an —

Is it normal for BibTeX to replace similar author names with "------"?