For whence parameter of fseek (or lseek in POSIX), some languages that calls C lib assume SEEK_SET, SEEK_CUR, SEEK_END are 0,1,2, respectively, such as gfortran, Nim [^py]. [^py]: while Python's seek specializes concrete values of SEEK_*, CPython does map 0,1,2…
There are about 1M images, I need to read them and insert the bytes into redis with python. I have two choices, the first is to use a thread pool, and the second is to use asyncio, since this is…
I am testing one of our legacy programs in an Azure VM. I have SQL Studio and SDK installed to get BCP. The program is attempting to use Directory.GetFiles("C:\Program FilesMicrosoft SQL Server", "bcp.exe", SearchOption. AllDirectories) to get the path to…
Most of the time, our PostgreSQL (version 13.8, AWS Aurora, PostgreSQL compatible) database's buffer cache hit ratio has been somewhere around 95~98%. However, we have been observing an occasional dip in the buffer cache hit ratio to 70%-80%. I managed…
I am doing printf("t%d", i) in a for-loop to print column labels for a table. Before the loop, I do printf("some string ===>"). An issue I notice is that for example, if I do printf("some string===>" (one character less), the…
Let's say I have theese words in a text file Dictionary.txt artificial intelligence abbreviation hybrid hysteresis illuminance identity inaccuracy impedance impenetrable imperfection impossible independent How can I make each word a different object and print them on the console?
I have a program where, during a long task, I use System.out to print messages to indicate its progress. However, this can only be seen in the terminal in Visual Studio Code. When I export the program to a jar…
So I'm just starting to learn C++, and I'm just trying to get everything set up. When I run the compiled binary for my hello world code, it display's the console output, but doesn't switch to a new line afterwards.…
Problem file_get_contents() is returning an empty string for some reason. Code index.php <?php $value = file_get_contents("http://foo.com/somefile.txt"); echo $value; ?> php.ini allow_url_fopen = On allow_url_include = On http://foo.com/somefile.txt 69.00000000 My Research Generally when file_get_contents("http://foo.com/somefile.txt") returns an empty string, it is due…