python - seek () function? - Stack Overflow
Apr 15, 2024 · 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 …
How does Python's seek function work? - Stack Overflow
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 …
How to .seek () to the end of a text file - Stack Overflow
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 …
SQL Server Plans : difference between Index Scan / Index Seek
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.
Stream.Seek(0, SeekOrigin.Begin) or Position = 0 - Stack Overflow
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.
c - behaviour of fseek and SEEK_END - Stack Overflow
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 …
What is the difference between Lookup, Scan and Seek?
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 …
Python csv.reader: How do I return to the top of the file?
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 …
f.seek () and f.tell () to read each line of text file
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 …
AttributeError: 'str' object has no attribute 'seek' with python
In python seek is a method of file object, and you are trying to apply it on a string. You have to open the file first, and call seek on the opened file object.