I have a python3 script that operates with numpy.memmap arrays. It writes an array to newly generated temporary file that is located in /tmp: The size of the HDD is only 250G. Nevertheless, it can somehow generate 10T large files in /tmp, and the corresponding array still seems to be accessible. The output of…
Tag: python
Login script using Python and SQLite
I’m trying to create a login script using SQLite to store the user data. Any ideas on how to to that? I have research over hours and found nothing of the kind. I would appreciate any help! 🙂 This is what I got so far: But it always returns Login failed… I want to check the input “user”…
Permanently define environment variable (for Python gdal undefined symbol)
I have installed gdal version 1.11.2, however I have problems with undefined symbols. A proposed solution for this is given by gerrit: However, this only works if I call the python script from the command line. If I call the script from a subprocess.Popen, this will obviously not work. Is there a way to defin…
How to enable unicode for Python on Fedora?
I am trying to compile MGTAXA on Fedora 23, but I get this error about python needs to be 2.2 or higher (2.7.10 is installed) and that unicode needs to be enabled. Question Can anyone tell me, what I need to do to enable unicode for Python in Fedora 23 and how to make it see that Python is at
passing bash array to python list
I’m trying to pass an array from bash to python using the old getenv method however I keep getting this error: could someone please explain why the $mdcNo isn’t passing from bash to python successfully? Code .sh: code .py: Answer If you want to pass a shell array to the Python script, your best be…
Python returns “SyntaxError: invalid syntax sys module” [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 7 y…
ImportError: libcudart.so.7.0: cannot open shared object file: No such file or directory
When I execute python command, a “ImportError” error occurs.Some solved it by adding “export LD_LIBRARY_PATH=/usr/local/cuda-5.5/lib:/usr/local/cuda-5.5/lib64” in the /etc/profile.I try it but do no effect.I find the “libcudart.so.7.0” in /usr/share/man/man7/libcudart.so.7 …
Performance review based python script on yocto linux [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 7 years ago. Improve this question I need to develop the performance review based python script , here is the…
Summing columns in a text file
I have a data file that looks like this: and so on……till TOPIC:topic_2000. The first line is the topic and it’s weight. That is, I have the words in that specific topic and their respective weights. Now, I want to sum up the second column of each topic and check what value it gives. That is,…
diagnosing when I’m being limited by disk i/o
I’m running Python 2.7 on a Linux machine, and by far the slowest part of my script is loading a large json file from disk (a SSD) using the ujson library. When I check top during this loading process, my cpu usage is basically at 100%, leading me to believe that I’m being bottlenecked by parsing …