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 …
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.
How to .seek () to the end of a text file - Stack Overflow
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 …
c++ - fstream seekg (), seekp (), and write () - Stack Overflow
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 …
How can I use seek () in a binary file? - Stack Overflow
Sep 29, 2021 · 3 seek changes the file postion but doesn't read anything. It wouldn't know in general how much to read. After the seek you can read 1 byte. As a side note, don't open with …
Python file I/O file.seek () vs file.read () pointer behavior
Mar 19, 2024 · The difference between the two code snippets is file.seek (3,0) vs file.read (3). in both cases I verified that the file pointer is at position 3, however when I write to the file I get …
How to improve performance on a clustered index seek
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: …
Stream.Seek (0, SeekOrigin.Begin) or Position = 0
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.
Bash read/write file descriptors -- seek to start of file
Jan 26, 2017 · Bash read/write file descriptors -- seek to start of file Asked 15 years ago Modified 1 year, 9 months ago Viewed 20k times