I want to convert all the excel document(.xls) sheets into csv, If excel document has one sheet only then I am converting like as follow- If my excel(.xls) document have more than one sheet i.e.(‘Sheet1’, ‘Sheet2’, ‘Sheet3’, ‘Sheet4’) than how to convert all she…
Python Encrypt PDF Simple Method AES 256
I have used this method to encrypt a PDF file with AES 128: …but is there a similarly-simple way to use AES 256? Thanks in advance! Answer I have the same issue. I use pikepdf to solve it. By default, pikepdf use AES-256 to encrypt.
Why is python getopt not parsing my options and instead think they are arguments?
I am attempting to use python’s getopt to parse some input arguments, but my options are not recognised. Why does the following happen? What am I doing wrong? Answer According to [Python2.Docs]: getopt.getopt(args, options[, long_options]) (emphasis is mine): Note: Unlike GNU getopt(), after a non-optio…
Python – What does it mean for a Class to be callable?
I am trying to understand what ‘callables’ are in Python and what it means for a class to be callable. I was playing with the following code: This gives the following result: Furthermore, Gives: Does this mean that class A has a __call__ method? and why is it of type class? is A.__call__() being c…
pipeline for RandomOversampler, RandomForestClassifier & GridSearchCV
I am working on a binary text classification problem. As the classes are highly imbalanced, I am using sampling techniques like RandomOversampler(). Then for classification I would use RandomForestClassifier() whose parameters need to be tuned using GridSearchCV(). I am trying to create a pipeline to do these…
form for simultaneously editing two django models with foreign key relationship
I am trying to find a simple way to create a form that allows the editing of two models with foreign key relationship simultaneously. After some research, it seems that Inline formsets come very close to what I want to do. The django documentation offers this example: And then, Let’s suppose Author has …
python manage.py migrate: No module named ‘muypicky.base’
Background: I’m taking a beginners Django course and I’ve run into an issue. The following command isn’t working in Terminal. Running on Mac Virtual environment Taking UDEMY Course: try-django-v1-11-python-web-development Command: python manage.py migrate Answer After going through your file…
pysftp vs. Paramiko
I have a simple requirement to drop a file on an SFTP server. I have found pysftp and Paramiko libraries that seem to allow me to this and developed a simple application using Paramiko but I can’t find a proper source that compares the two so I can decide which one I can/should use. What are the pros an…
Solving for the average values of cells using openpyxl
How can i obtained the average of the values from B2:B1500 as shown in the code below. This is the error i am getting Answer In this case, you are adding the Cell Objects with an integer, so in this case, we need to get the cell’s value. So, one way to get the value is to extract it from
How to use tf.data.Dataset.apply() for reshaping the dataset
I am working with time series models in tensorflow. My dataset contains physics signals. I need to divide this signals into windows as give this sliced windows as input to my model. Here is how I am reading the data and slicing it: I want to reshape this dataset to # {‘mix’: TensorShape([Dimension…