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In this example, the scope attribute defines what the headers describe, column or row, which screen readers use. You can add a table using HTML rather than wiki markup, as described at HTML element#Tables. However, HTML tables are discouraged because wikitables are easier to customize and maintain, as described at manual of style on tables.
It is possible to create tables with cells that stretch over two or more columns or rows (also known as merged cells). For columns, one uses |colspan=n | content, whereas for rows, one uses |rowspan=m | content. In the table code, one must leave out the cells that are covered by such a span. The resulting column- and row-counting must fit.
If you use tables for two-dimensional graphics you might discover a "feature" in HTML that promotes grey hair. It can affect both rows and columns, depending on the use of either rowspan or colspan. In this 7-row table three cells are assigned a rowspan of 3, but the table totals 6 rows. Where is row 4? There is a row 5-4!
In the code, the cell | colspan="2" | A spans two columns. Note that, in the next column, a cell expected to contain "B" does not exist. Similar: in the code, cell | rowspan="2" | BBB spans two rows. A cell expected to contain "BBBB" does not exist.
where c 1, c 2, ..., c n are scalars. The set of all possible linear combinations of v 1, ..., v n is called the column space of A. That is, the column space of A is the span of the vectors v 1, ..., v n. Any linear combination of the column vectors of a matrix A can be written as the product of A with a column vector:
Example: If merging non-similar cells is essential, while not ideal, a work-around is to create a hidden column. This column can be given an appropriate heading name, that will not appear to sighted readers but will be recognized and read by screen readers. The following example is a snippet of a table from List of chronometers on HMS Beagle.
Selenium Remote Control completely took over from the Driven Selenium code-line in 2006. The browser pattern for 'Driven'/'B' and 'RC' was response/request, which subsequently became known as Comet. Selenium RC served as the flagship testing framework of the entire project of selenium for a long-standing time.
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