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Showing posts from February, 2023

Query Writing Performance On Neo4j With Py2neo

Currently im struggle on finding a performant way, running multiple queries with py2neo. My problem… Read more Query Writing Performance On Neo4j With Py2neo

How Export Methods With Dbus In A Extended Class In Python, Inherited Methods?

I have a top class and classes that extend the top class, but almost all methods from the child cla… Read more How Export Methods With Dbus In A Extended Class In Python, Inherited Methods?

Animate A 3D Matrix With Matplotlib In Jupyter Notebook

I have a 3D matrix of shape (100,50,50), e.g. import numpy as np data = np.random.random(100,50,50)… Read more Animate A 3D Matrix With Matplotlib In Jupyter Notebook

TypeError: Expected Str, Bytes Or Os.PathLike Object, Not Tuple

So I am trying to create a form of encryption program with a GUI. Here is the code: import sys from… Read more TypeError: Expected Str, Bytes Or Os.PathLike Object, Not Tuple

Scipy's Fftpack Dct And Idct

Let say you use the dct function, then do no manipulation of the data and use the invert transform;… Read more Scipy's Fftpack Dct And Idct

Pandas DataFrame Add Column To Index Without Resetting

how do I add 'd' to the index below without having to reset it first? from pandas import Da… Read more Pandas DataFrame Add Column To Index Without Resetting

Trying To Size Down HDF5 File By Changing Index Field Types Using H5py

I have a very large CSV File (~12Gb) that looks something like this: posX,posY,posZ,eventID,parent… Read more Trying To Size Down HDF5 File By Changing Index Field Types Using H5py

Access Thread Local Object In Different Module - Python

I'm new to Python so please bear with my question. Let's say my application has a module na… Read more Access Thread Local Object In Different Module - Python

Appending Dataframe To Empty Dataframe Is Not Working

I declared an empty data frame near the top of my file with a global scope: final_df = pd.DataFram… Read more Appending Dataframe To Empty Dataframe Is Not Working

How To Graph A Tree With Graphviz?

I can't reproduce a simple example. Here is how it goes: import pandas as pd import numpy as np… Read more How To Graph A Tree With Graphviz?

How Do I Write The Multiplication Sign In ReStructuredText (reST)?

I'm writing reST documents that will be rendered to HTML and PDF using Sphinx. My source files … Read more How Do I Write The Multiplication Sign In ReStructuredText (reST)?

Script That Uses Parameters And Reads Results

I am trying to write a script that takes in a URL with certain parameters, reads from the resulting… Read more Script That Uses Parameters And Reads Results

Java Method Which Can Provide The Same Output As Python Method For HMAC-SHA256 In Hex

I am now trying to encode the string using HMAC-SHA256 using Java. The encoded string required to m… Read more Java Method Which Can Provide The Same Output As Python Method For HMAC-SHA256 In Hex

How Do I Achieve The Following Tkinter GUI Layout With Either Pack Or Grid?

Here's my current GUI layout for my checkers game: As you can see, it consists of a Menu along… Read more How Do I Achieve The Following Tkinter GUI Layout With Either Pack Or Grid?

Sympy Nsolve Function And Multiple Solutions

I did this little test program in python to see how solve and nsolve work. from sympy import *… Read more Sympy Nsolve Function And Multiple Solutions

Win32 Python - Pythoncom Error - ImportError: No Module Named Pywintypes

I am trying to import pythoncom, but it gives me this error: Traceback (most recent call last): F… Read more Win32 Python - Pythoncom Error - ImportError: No Module Named Pywintypes

Avoiding Double For-loops In NumPy Array Operations

Suppose I have two 2D NumPy arrays A and B, I would like to compute the matrix C whose entries are … Read more Avoiding Double For-loops In NumPy Array Operations

How To Display Chinese Characters Inside A Pandas Dataframe?

I can read a csv file in which there is a column containing Chinese characters (other columns are E… Read more How To Display Chinese Characters Inside A Pandas Dataframe?

Wrong HSV Conversion From RGB

I have these lists containing blue values in RGB format. low = [ [0, 0, 128], [65, 105, 225… Read more Wrong HSV Conversion From RGB

How Do I Convert A String Into A Vector Of Command Line Arguments?

In python, how do a parse a string in the same way that the command line argument string is parsed … Read more How Do I Convert A String Into A Vector Of Command Line Arguments?

Pyvenv Cannot Create Virtual Environment

Usually I use virtualenv for python2.x. After some bitter experience with unicode encoding/decoding… Read more Pyvenv Cannot Create Virtual Environment

How To Conditionally Scale Values In Keras Lambda Layer?

The input tensor rnn_pv is of shape (?, 48, 1). I want to scale every element in this tensor, so I … Read more How To Conditionally Scale Values In Keras Lambda Layer?

Redirect Output Of A Function That Converts Pdf To Txt Files To A New Folder In Python

I am using python 3. My code uses pdfminer to convert pdf to text. I want to get the output of thes… Read more Redirect Output Of A Function That Converts Pdf To Txt Files To A New Folder In Python

Multiplicative Digital Root Of A Number Using Loops

I need to find the multiplicative digital root of a number in python using only loops. something th… Read more Multiplicative Digital Root Of A Number Using Loops

Use Fill_between In Python To Shade A Sub Area Of A Density Curve

I would like to Fill_Between a sub section of a normal distribution, say the left 5%tile. import nu… Read more Use Fill_between In Python To Shade A Sub Area Of A Density Curve

Search A List Of Strings For Any Sub-string From Another List

Given these 3 lists of data and a list of keywords: good_data1 = ['hello, world', 'hey,… Read more Search A List Of Strings For Any Sub-string From Another List

Is Enforcing An Abstract Method Implementation Unpythonic?

When designing classes abstract methods can be very helpful. From what I know, Python does not have… Read more Is Enforcing An Abstract Method Implementation Unpythonic?

Celery Prefetch Multiplier Setting No Effect

I have a series of servers running multiple workers. These are long-running tasks, requiring anywh… Read more Celery Prefetch Multiplier Setting No Effect

In H5py, What Is Type "|O"?

Debugging a program working with h5py. The hdf5 should look something like this: test.hdf5 -lab… Read more In H5py, What Is Type "|O"?

How To Get An Input From User In Pygame And Save It As A Variable?

I want to take input from the user in the game (e.g. their name), then put it on the screen. I tri… Read more How To Get An Input From User In Pygame And Save It As A Variable?

Python Program Taking Two Integer Inputs To Find Even And Odd

Here is the code. When I enter an even number (1st number) say 4 and odd number (2nd number) say 5 … Read more Python Program Taking Two Integer Inputs To Find Even And Odd