publicvoidwriteCell(intcolumnIndex, Cell cell)throwsIOException{ if(cell ==null) { return; } String ref =newCellReference(_rownum, columnIndex).formatAsString; _out.write("<c"); writeAttribute("r", ref); CellStyle cellStyle = cell.getCellStyle; if(cellStyle.getIndex !=0) { // need...
Bits Per PixelColumn Offset (in Pixels)Bytes to Get 1 Must be a multiple of 8 (such as 0, 8, or 16). Can be any number up to the end of the row. Consider that there are 8 pixels per byte. 4 Must be an even number (such as 0, 2, or 4). Can be any number up to the...
Next, we create the second pivot, by choosing the first nonzero on the second column, second row (or interchange rows to obtain it, if it is not there) and create zero entries under the second pivot. Repeat the process until we obtain an upper triangular matrix. ...
Transpose column to row using awk, In my data file, there is a certain column I am interested. So I used awk to print out only that column (awk '{print $4}') and put a condition to eliminate using "if". However, I could not figure out how to transpose every nth line on that ...
Excel的存储格式 下面的优化内容涉及Excel的底层存储格式,所以要先跟大家讲一下。 XLS 03版的XLS采用的是一种名为BIFF8(Binary-Interchange-File-Format),基于OLE2规范的二进制文件格式。大概就是一种结构很复杂的二进制文件,具体细节我也不是很清楚,大家也没必要去了解它,已经被淘汰了。想了解的话可以看看Excel ...
下面的优化内容涉及Excel的底层存储格式,所以要先跟大家讲一下。 XLS 03版的XLS采用的是一种名为BIFF8(Binary-Interchange-File-Format),基于OLE2规范的二进制文件格式。大概就是一种结构很复杂的二进制文件,具体细节我也不是很清楚,大家也没必要去了解它,已经被淘汰了。想了解的话可以看看Excel XLS文件格式 ...