A seek() operation moves that pointer to some other part of the file so you can read or write at that place. So, if you want to read the whole file but skip the first 20 bytes, open the file, seek(20) …

Nov 7, 2012 · file.seek(offset[, whence]) Set the file’s current position, like stdio‘s fseek(). The whence argument is optional and defaults to os.SEEK_SET or 0 (absolute file positioning); …

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 …

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 …

Additionally : when calling Seek(), even if no actual seek on the file system is needed (the seek position is within the buffer boundary), it will always cause data in the buffer to be copied (see …

Feb 27, 2012 · Index Seek. When SQL Server does a seek it knows where in the index that the data is going to be, so it loads up the index from disk, goes directly to the part of the index that …

Mar 1, 2016 · That happens because you must set the controlling index before calling Seek... With rstTemp ' Store current record location. theBookmark = .Bookmark ' Set the index. .Index = …

# seek back by difference from current position fp.seek(last_read_byte - fp.tell(), os.SEEK_CUR) B: # seek by absolute position from start of the file fp.seek(last_read_byte) (fp is a python file …

av_seek_frame will only seek based on timestamp to the key-frame. Since it seeks to the keyframe, you may not get what you want. Hence it is recommended to seek to nearest …

Dec 18, 2014 · 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 consistent with how C usually …