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  • python - seek() function? - Stack Overflow
    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) to move to where you want to start reading, then continue with reading the file
  • How does Pythons seek function work? - Stack Overflow
    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); other values are os SEEK_CUR or 1 (seek relative to the current position) and os SEEK_END or 2 (seek relative to the file’s end)
  • SQL Server Plans : difference between Index Scan Index Seek
    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 it needs and reads to where the data that it needs ends
  • c++ - fstream seekg(), seekp(), and write() - Stack Overflow
    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 use a separate variable to store one of the positions so you can then seek back to it, you cannot keep track of put and get positions independently
  • What is the difference between Lookup, Scan and Seek?
    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 view Information is reported both for operations caused by user-submitted queries, and for operations caused by internally generated queries, such as scans for gathering
  • python file. seek () with os. SEEK_CUR vs os. SEEK_SET
    # 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 object) I just thought that B) might start reading the file from the beginning How do I check if that's the case?
  • How to improve performance on a clustered index seek
    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: evict all varlenght into a separate allocation unit by setting 'large value types out of row' to 1 and recreating the table from scratch) enable page compression (SQL 2008 EE only)
  • c - behaviour of fseek and SEEK_END - Stack Overflow
    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 handles this kind of thing
  • c - How can I seek to frame No. X with ffmpeg? - Stack Overflow
    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 keyframe and then read frame by frame util you reach the desired frame However, if you are dealing with fixed FPS value, then you can easily map timestamp to frame index
  • How to properly use Seek in DAO database - Stack Overflow
    That happens because you must set the controlling index before calling Seek With rstTemp ' Store current record location theBookmark = Bookmark ' Set the index Index = "PrimaryKey" '<- use your index name here Seek "=", intSeek If you need to list the names of your table's indexes, you can examine its TableDef Indexes collection Here





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