code: def _sortHTML(titlesAlignments, by, limit=None):
      
      out = []
      for i, title in enumerate(titlesAlignments.sortTitles(by), start=1):
          if limit is not None and i > limit:
              break
          titleAlignments = titlesAlignments[title]
          link = NCBISequenceLink(title, title)
          out.append(
              '%3d: reads=%d, len=%d, max=%s median=%s<br/>'
              '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;%s' %
              (i, titleAlignments.readCount(), titleAlignments.subjectLength,
               titleAlignments.bestHsp().score.score,
               titleAlignments.medianScore(), link))
      return HTML('<pre>' + '<br/>'.join(out) + '</pre>')
docs: Return an C{IPython.display.HTML} object with the alignments sorted by the
      given attribute.
  
      @param titlesAlignments: A L{dark.titles.TitlesAlignments} instance.
      @param by: A C{str}, one of 'length', 'maxScore', 'medianScore',
          'readCount', or 'title'.
      @param limit: An C{int} limit on the number of results to show.
      @return: An HTML instance with sorted titles and information about
          hit read count, length, and e-values.