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Showing posts from October, 2022

Interpolating Values From A Dataframe Based On A Column Value

Assuming I have a the following problem: import pandas as pd import numpy as np xp = [0.0, 0.5, 1.… Read more Interpolating Values From A Dataframe Based On A Column Value

How To Find And Plot The Largest Sample In A Wav File

I wrote this code where I read a wav file and then It identifies where is the larger sample, but th… Read more How To Find And Plot The Largest Sample In A Wav File

Reshape 4d Numpy Array To 2d Array While Preserving Array Locations

I have a 4 dimensional numpy array of shape (N, N, Q, Q). So given a row and column index (i, j), m… Read more Reshape 4d Numpy Array To 2d Array While Preserving Array Locations

Getting Random Numbers From A Truncated Maxwell-Boltzmann Distribution

I would like to generate random numbers using a truncated Maxwell-Boltzmann distribution. I know th… Read more Getting Random Numbers From A Truncated Maxwell-Boltzmann Distribution

Preloading Sound In Kivy

I have a kivy-based game that is supposed to play some sound FX. Sound objects are loaded like this… Read more Preloading Sound In Kivy

How To Stop Tkinter Text Widget Resize On Font Change?

I'm trying to create a simple word processor for starters to learn Python a bit better. I'm… Read more How To Stop Tkinter Text Widget Resize On Font Change?

Naive Bayes Classifier Dynamic Training

Is it possible (and how if it is) to dynamically train sklearn MultinomialNB Classifier? I would li… Read more Naive Bayes Classifier Dynamic Training

Elastic Search Nested Object Query

I have a elastic search index collection like below, '_index':'test', '_type… Read more Elastic Search Nested Object Query

Two Methods Inherited From One Method In Class Are Different In Instances, Aren't They?

Can someone please explain why it is so? class Foo: def bar(self): pass a = Foo() b = … Read more Two Methods Inherited From One Method In Class Are Different In Instances, Aren't They?

Can't Access The Django Server At Http://127.0.0.1:8000/

At firt time it worked totally fine but it is showing this issue now: app$ python manage.py runserv… Read more Can't Access The Django Server At Http://127.0.0.1:8000/

Re.sub Not Replacing All Occurrences

I'm not a Python developer, but I'm using a Python script to convert SQLite to MySQL The su… Read more Re.sub Not Replacing All Occurrences

Convert A Text Of Binary Values To Numpy File

How can one convert a huge text file (>16G) containing binary-valued characters (0 and 1) to a n… Read more Convert A Text Of Binary Values To Numpy File

Pandas Series TypeError And ValueError When Using Datetime

The code below works just fine (as expected): import dateutil from pandas import Series timestamp =… Read more Pandas Series TypeError And ValueError When Using Datetime

Create Only ONE Table With Flask + SqlAlchemy

I'm developing a web application based on MySQL DBMS I followed the tutorial in that answer in … Read more Create Only ONE Table With Flask + SqlAlchemy

PySPARK UDF On WithColumn To Replace Column

This UDF is written to replace a column's value with a variable. Python 2.7; Spark 2.2.0 import… Read more PySPARK UDF On WithColumn To Replace Column

Using "with" Statement For CSV Files In Python

Is it possible to use the with statement directly with CSV files? It seems natural to be able to do… Read more Using "with" Statement For CSV Files In Python

Installing Dependency From A VCS Repo Subdirectory Using Setuptools

I'm trying use setuptools to install a dependency from a VCS and inside a subdirectory. My setu… Read more Installing Dependency From A VCS Repo Subdirectory Using Setuptools

How Do I Convert A .dbf File Into A Pandas DataFrame?

I have a .dbf file that I would like to convert into a pandas DataFrame, but DataFrames aren't … Read more How Do I Convert A .dbf File Into A Pandas DataFrame?

How To Have Two Widgets In One Main Window

I am trying the whole morning already to fix that. So I have a PyQt Main Window where I want to dis… Read more How To Have Two Widgets In One Main Window

Error: Types.coroutine() Expects A Callable

I have the following class: from tornado import gen class VertexSync(Vertex): @wait_till_compl… Read more Error: Types.coroutine() Expects A Callable

Converting Complex RDD To A Flatten RDD With PySpark

I have the following CSV (sample) id timestamp routeid creationdate parameter… Read more Converting Complex RDD To A Flatten RDD With PySpark

When Is Self Statement True And When Is False?

Can someone explain this if self.cards condition? When will it be True and when will it be False? d… Read more When Is Self Statement True And When Is False?

How To Accumulate Messages As Mqtt Client For 1 Second, Then Save It To A File

my problem is as follows: I wrote a program that subscribes to a topic, where 2 dictionaries with o… Read more How To Accumulate Messages As Mqtt Client For 1 Second, Then Save It To A File

Call Fortran Function From Python With Ctypes

I am looking to use ctypes to call some old fortran libraries which were written by my boss a few y… Read more Call Fortran Function From Python With Ctypes

What Object To Pass To R From Rpy2?

I'm unable to make the following code work, though I don't see this error working strictly … Read more What Object To Pass To R From Rpy2?

Change File To Read-only Mode In Python

I am writing a data processing code, in which I create a new file, write processed data in to this … Read more Change File To Read-only Mode In Python