The seek position is a byte index into the contents of the file similar to an array index. Its also interesting that if we open file in append mode 'a', we cannot seek to file's beginning.

f.seek(0) contents = f.read() What happens here is that the pointer starts at the beginning of the file when you enter the with block, then the code will read the file all the way to the end, which …

Feb 27, 2012 · In a SQL Server Execution plan what is the difference between an Index Scan and an Index Seek I'm on SQL Server 2005.

Mar 28, 2013 · What this means is that when you use a std::basic_fstream, which by default uses a std::basic_filebuf, the single file position is moved by both seekp() and seekg(); unless you …

Jun 29, 2015 · The whence argument is optional and defaults to os.SEEK_SET or 0 (absolute file positioning); other values are os.SEEK_CUR or 1 (seek relative to the current position) and …

May 15, 2017 · Every individual seek, scan, lookup, or update on the specified index by one query execution is counted as a use of that index and increments the corresponding counter in this …

I am trying to seek offset from a SQL database in my kafka listener method . I have used registerSeekCallback method in my code but this method gets invoked when we run the …

If you are working with files (eg: with the FileStream class) it seems Seek (0, SeekOrigin.Begin) is able to keep internal buffer (when possible) while Position=0 will always discard it.

Dec 29, 2009 · 9 A clustered index range seek that returns 138 rows is not your problem. Technically you can improve the seek performance by making the clustered index narrower: …

Dec 18, 2014 · ^ This is the (0, SEEK_END) byte With this in mind, the very last byte of the file is the one found at (-1, SEEK_END) and thus the (-3, SEEK_END) byte is the 8. Note that this is …