Sticky table header

When scrolling up and down in the table view, the table header should stay visible.

Unfortunately this seems not so easy.

• http://jsfiddle.net/drueter/yqgB5/16/
• https://github.com/jmosbech/StickyTableHeaders
• http://tympanus.net/codrops/2014/01/09/sticky-table-headers-columns/