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 …

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.

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 …

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(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 …

Then you can do a Seek (0,xxx) on the body and re-read the contents, etc. However, this led to my next issue. I'd get "Synchronous operations are disallowed" exceptions when accessing …

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 …

When you say "replace the old content that's in the file with the new content", you need to read in and transform the current contents data = file.read(). You don't mean "blindly overwrite it …

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 …

I'm trying to capture the raw request data for accountability and want to pull the request body content out of the Request object. I've seen suggestions doing a Request.InputStream, but …