Retrieve Custom page labels from document with pyPdf
The following worked for me: from pypdf import PdfReader reader = PdfReader(“path/to/file.pdf”) len(reader.pages)
python
SQLAlchemy execute() return ResultProxy as Tuple, not dict
This is an old question, but still relevant today. Getting SQL Alchemy to return a dictionary is very useful, especially when working with RESTful based APIs that return JSON. Here is how I did it using the db_session in Python 3: resultproxy = db_session.execute(query) d, a = {}, [] for rowproxy in resultproxy: # rowproxy.items() … Read more
install HDF5 and pytables in ubuntu
I found that installing the libhdf5-serial-dev with sudo apt-get install libhdf5-serial-dev did the trick.
Modify output from Python Pandas describe
.describe() attribute generates a Dataframe where count, std, max … are values of the index, so according to the documentation you should use .loc to retrieve just the index values desired: df.describe().loc[[‘count’,’max’]]
Why is Tensorflow not recognizing my GPU after conda install?
August 2021 Conda install may be working now, as according to @ComputerScientist in the comments below, conda install tensorflow-gpu==2.4.1 will give cudatoolkit-10.1.243 and cudnn-7.6.5 The following was written in Jan 2021 and is out of date Currently conda install tensorflow-gpu installs tensorflow v2.3.0 and does NOT install the conda cudnn or cudatoolkit packages. Installing them … Read more
Cheap exception handling in Python?
Don’t sweat the small stuff. You’ve already picked one of the slower scripting languages out there, so trying to optimize down to the opcode is not going to help you much. The reason to choose an interpreted, dynamic language like Python is to optimize your time, not the CPU’s. If you use common language idioms, … Read more
Error “AttributeError ‘collections’ has no attribute ‘Callable’ ” using Beautiful Soup
collections.Callable has been moved to collections.abc.Callable in python 3.10+. A hacky solution is to add the reference back to collections before importing the problem library. import collections collections.Callable = collections.abc.Callable from bs4 import BeautifulSoup # for example
bash: syntax error near unexpected token `(‘ – Python
add #!/usr/bin/env python at the top of your script, or call your script using python myscript.py
Tensorflow GPU Could not load dynamic library ‘cusolver64_10.dll’; dlerror: cusolver64_10.dll not found
Step 1 Move to C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v11.2\bin Step 2 Rename file cusolver64_11.dll To cusolver64_10.dll cusolver64_10.dll
Basics of recursion in Python
Whenever you face a problem like this, try to express the result of the function with the same function. In your case, you can get the result by adding the first number with the result of calling the same function with rest of the elements in the list. For example, listSum([1, 3, 4, 5, 6]) … Read more