[Tex/LaTex] Removing vertical space before and after tabbing environment

environmentsspacingtabbing

When I write

  \begin{tabbing}
  \hspace{4in}\= \kill % set up two tab positions
    {\bf University }, {\it City, NW} \> PhD,
    Physics (2007-2011)\\
  \end{tabbing}
  Methodology and numerical implementation (C++) of methods for
  difficult systems\LaTeX creates a lot of vertical space. I don't want to use `\vspace{-Xin}` to decrease it. It's not accurate. One workaround I found is this:

\begin{ncolumn}{2} 
  {\bf University }, {\it City, NW} & 
  \hspace{1in} PhD, Physics (2007-2011)\\
\end{ncolumn}
  Methodology and numerical implementation (C++) of methods for
  difficult systems\Isn't there a cleaner way to do this using `tabbing`?

This solution How to reduce space after the end of a tabbing environment didn't help. I use res.cls from http://www.rpi.edu/dept/arc/training/latex/resumes/

Best Answer

The tabbing environment adds \topsep spacing above and below it, and also \partopsep. Define your environment, for example

\newenvironment{nstabbing}
  {\setlength{\topsep}{0pt}%
   \setlength{\partopsep}{0pt}%
   \tabbing}
  {\endtabbing}
...
\begin{document}
...
Some text above
\begin{nstabbing}
  \hspace{4in}\= \kill % set up two tab positions
  \textbf{University}, \textit{City, NW} \> PhD, Physics (2007-2011)
\end{nstabbing}
Methodology and numerical implementation (C++) of methods for
difficult systems

The two parameters will be changed only inside the nstabbing environment; one of course assumes that no list environment will be inside the tabbing.

If the class or the document uses a non zero \parskip (additional white space between paragraphs, the environment's definition might be

\newenvironment{nstabbing}
  {\setlength{\topsep}{-\parskip}%
   \setlength{\partopsep}{0pt}%
   \tabbing}
  {\endtabbing}
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