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.

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 …

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 …

If you create the necessary files on your computer, and run this .PY file, you will find that sometimes it works as desired, and other times it doesn't. Can anyone tell me how to seek to …

Apr 23, 2009 · seek (), then read (), then write () in python Asked 16 years, 7 months ago Modified 16 years, 7 months ago Viewed 26k times

Mar 24, 2013 · ok, here's how it goes. you have a variable last_pos, which contains the current byte offset from the beginning of the file. you open the file, seek() to that offset, then read a …

# seek by absolute position from start of the file fp.seek(last_read_byte) (fp is a python file object) I just thought that B) might start reading the file from the beginning. How do I check if that's the …

Jun 3, 2019 · SEEK_END adjusts the offset relative to the end (notionally offset = end + value). Thus, SEEK_SET is SEEK_BEG because the offset is measured from the beginning of the …

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.

Jan 10, 2009 · Any way to do the same if you only have a reference to the reader and not the file handle? I am writing a function that takes a reader as input, scans through all the rows and …