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python

How to get current available GPUs in tensorflow?

August 19, 2022 by Magenaut

I have a plan to use distributed TensorFlow, and I saw TensorFlow can use GPUs for training and testing. In a cluster environment, each machine could have 0 or 1 or more GPUs, and I want to run my TensorFlow graph into GPUs on as many machines as possible.

Categories Python, Q&A Tags gpu, python, tensorflow Leave a comment

How to install python modules without root access?

August 19, 2022 by Magenaut

I’m taking some university classes and have been given an ‘instructional account’, which is a school account I can ssh into to do work. I want to run my computationally intensive Numpy, matplotlib, scipy code on that machine, but I cannot install these modules because I am not a system administrator.

Categories Python, Q&A Tags numpy, pip, python Leave a comment

Python matplotlib multiple bars

August 19, 2022 by Magenaut

How to plot multiple bars in matplotlib, when I tried to call the bar function multiple times, they overlap and as seen the below figure the highest value red can be seen only.
How can I plot the multiple bars with dates on the x-axes?

Categories Python, Q&A Tags bar-chart, matplotlib, pandas, python, seaborn Leave a comment

What exactly is file.flush() doing?

August 19, 2022 by Magenaut

I found this in the Python documentation for File Objects:

Categories Python, Q&A Tags fsync, io, output-buffering, python Leave a comment

How to get a random number between a float range?

August 19, 2022 by Magenaut

randrange(start, stop) only takes integer arguments. So how would I get a random number between two float values?

Categories Python, Q&A Tags floating-point, python, random Leave a comment

How do I know if a generator is empty from the start?

August 19, 2022 by Magenaut

Is there a simple way of testing if the generator has no items, like peek, hasNext, isEmpty, something along those lines?

Categories Python, Q&A Tags generator, python Leave a comment

Converting JSON String to Dictionary Not List

August 19, 2022 by Magenaut

I am trying to pass in a JSON file and convert the data into a dictionary.

Categories Python, Q&A Tags json, python Leave a comment

What would a “frozen dict” be?

August 19, 2022 by Magenaut

frozendict(dict_obj): Accepts obj of dict type and returns a hashable and immutable dict

Categories Python, Q&A Tags data-structures, dictionary, immutability, python Leave a comment

What is the difference between slice assignment that slices the whole list and direct assignment?

August 19, 2022 by Magenaut

I see at many places the use of slice assignment for lists. I am able to understand its use when used with (non-default) indices, but I am not able to understand its use like:

Categories Python, Q&A Tags list, python, slice, variable-assignment Leave a comment

Subprocess.Popen: cloning stdout and stderr both to terminal and variables

August 19, 2022 by Magenaut

Is it possible to modify code below to have printout from ‘stdout ‘and ‘stderr’:

Categories Python, Q&A Tags popen, python, python-3.x, subprocess Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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