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Showing posts from October, 2024

How Do You Load A Custom Field In Django

note : This is closely related to the answer in this question : django admin - add custom form fiel… Read more How Do You Load A Custom Field In Django

Float Deviation In Python List

Possible Duplicate: Python float - str - float weirdness I run the following code in python on co… Read more Float Deviation In Python List

Valueerror: Set_wakeup_fd Only Works In Main Thread On Windows On Python 3.8 With Django 3.0.2 Or Flask 2.0.0

When I run my Django Web application with Apache2.4.41 + Python 3.8.1 + Django 3.0.2 + MySQL 8.0.19… Read more Valueerror: Set_wakeup_fd Only Works In Main Thread On Windows On Python 3.8 With Django 3.0.2 Or Flask 2.0.0

Python Pandas – How To Supress Performancewarning?

How I can supress a PerformanceWarning in pandas? I've already tried warnings.simplefilter(acti… Read more Python Pandas – How To Supress Performancewarning?

Formatting Csv File With Python

I have a csv file with the following structure: 'txNomeParlamentar';'ideCadastro';&… Read more Formatting Csv File With Python

Gdal Writearray Issue

I'm utilizing python GDAL to write a raster data into a .tif file. Here's the code: import… Read more Gdal Writearray Issue

Matplotlib: Importerror: Cannot Import Name 'pyplot'

I have matplotlib lib installed using pip but when I run this code it gives me this error: shar@sha… Read more Matplotlib: Importerror: Cannot Import Name 'pyplot'

Does Urllib2 Support Preemptive Authentication Authentication?

I am trying access a REST API. I can get it working in Curl/REST Client (the UI tool), with preempt… Read more Does Urllib2 Support Preemptive Authentication Authentication?

Why Does Outputing Numpy.dot To Memmap Does Not Work?

If I do: a = np.ones((10,1)) b = np.ones((10,1)) c = np.memmap('zeros.mat', dtype=np.float6… Read more Why Does Outputing Numpy.dot To Memmap Does Not Work?

Python List Function Argument Names

Is there a way to get the parameter names a function takes? def foo(bar, buz): pass magical_wa… Read more Python List Function Argument Names

How Much Time Left To Given Date (days, Hours, Mins, S.)

I'm trying to make some kind of 'deadline clock' in python. There is lot of topics abou… Read more How Much Time Left To Given Date (days, Hours, Mins, S.)

Plotting Precision-recall Curve When Using Cross-validation In Scikit-learn

I'm using cross-validation to evaluate the performance of a classifier with scikit-learn and I … Read more Plotting Precision-recall Curve When Using Cross-validation In Scikit-learn

Pyqt (pyside), Webkit And Exposing Methods From/to Javascript

I am planning to use PyQt to control an embedded WebKit browser on the server side. I have some inh… Read more Pyqt (pyside), Webkit And Exposing Methods From/to Javascript

Django Model Unique Together Both Ways

Many questions already on this topic, but not what i'm searching for. I have this Model: class … Read more Django Model Unique Together Both Ways

Python 3.5 - Selenium - How To Handle A New Window And Wait Until It Is Fully Loaded?

I am doing browser automation and I am blocked at a certain point: at a moment, I ask the browser t… Read more Python 3.5 - Selenium - How To Handle A New Window And Wait Until It Is Fully Loaded?

Issues With Web Scraping Using Beautiful Soup On Dynamic Html Websites

I'm trying to scrape a range of HTML files using Beautiful Soup, however I'm getting some r… Read more Issues With Web Scraping Using Beautiful Soup On Dynamic Html Websites

Peewee Says "cannot Commit - No Transaction Is Active"

My CherryPy app does some cleaning every hour with the following code: def every_hour(): two_ho… Read more Peewee Says "cannot Commit - No Transaction Is Active"

Importing Python Libraries To Sql Server

I'm trying to 'import datefinder' in my SQL Server Python script, but for some reason i… Read more Importing Python Libraries To Sql Server

Correct Way To Write __repr__ Function With Inheritance

I'm experimenting with OOP python and I wasn't sure about the __repr__ function inheritance… Read more Correct Way To Write __repr__ Function With Inheritance

Read Text File Into Dictionary Removing Heading/trailing Newlines

This will be much easier to understand if I just show you the text file I'm working with and th… Read more Read Text File Into Dictionary Removing Heading/trailing Newlines

Python Elements Retrieved From Container (list, Dict, Tuple Etc) Passed By Reference Or Value?

I have a function that updates data in a cache (implemented as a dictionary). def updateCache(name,… Read more Python Elements Retrieved From Container (list, Dict, Tuple Etc) Passed By Reference Or Value?

How To Fix 'input And Hidden Tensors Are Not At The Same Device' In Pytorch

When I want to put the model on the GPU, I get the following error: 'RuntimeError: Input and h… Read more How To Fix 'input And Hidden Tensors Are Not At The Same Device' In Pytorch

Badyielderror When Using Find() Motor [mongodb + Tornado]

I am new to python tornado framework. I have a small collection of data in MongoDB. I am using a si… Read more Badyielderror When Using Find() Motor [mongodb + Tornado]

How Can I Exit A Python3 Script After 5 Minutes

I have a script that was copying data from SD card. Due to the huge amount of files/filesize, this … Read more How Can I Exit A Python3 Script After 5 Minutes

Is It Possible To Easily Extract Python Run Configuration (with Additional Path) From Pycharm?

I have a working Python project on my PC, which I am running from Pycharm. It uses Pyroot (an inter… Read more Is It Possible To Easily Extract Python Run Configuration (with Additional Path) From Pycharm?

Ipython With Different Env (using Anaconda)

I have just created a new env with python 3.5 using anaconda (called it python35). My root env poin… Read more Ipython With Different Env (using Anaconda)

Removes Text Between 2 Tags Python

I haved scraped data from Wikipedia and created a dataframe. df[0] contains {{Infobox_President |n… Read more Removes Text Between 2 Tags Python

Python Url Matching (regex)

I've tried to match a the below URL for a couple of hours and can't seem to figure it out a… Read more Python Url Matching (regex)

Substracting Values From Two Different Pandas Dataframes Based On Same Row Values

I have data of two dataframes First dataframe: Name price date Apple 25 23-9-2021 Orange … Read more Substracting Values From Two Different Pandas Dataframes Based On Same Row Values

How To Call A Multi-threaded C Function In Cython?

I have a question about how to call a multi-threaded C function in Cython. Do I need to release/acq… Read more How To Call A Multi-threaded C Function In Cython?

What Is Pythononic Way Of Slicing A Set?

I have some list of data, for example some_data = [1, 2, 4, 1, 6, 23, 3, 56, 6, 2, 3, 5, 6, 32, 2, … Read more What Is Pythononic Way Of Slicing A Set?

Check If A String Is Encoded/quoted In Python

I'm using a Python handler to respond to an HTTP API. I'm reading some url params into the … Read more Check If A String Is Encoded/quoted In Python

Tkinter Colours Lighter On Os X

Take this simple example: import Tkinter root = Tkinter.Tk() root.configure(bg='#000000') … Read more Tkinter Colours Lighter On Os X

Redirection Using Wsgiref

I am working on a toy web framework and I have implemented a method redirect_to for redirecting the… Read more Redirection Using Wsgiref

Why Is Pandas Read_csv Not Reading The Right Number Of Rows?

I'm trying to open part of a csv file using pandas read_csv. The section I am opening has a hea… Read more Why Is Pandas Read_csv Not Reading The Right Number Of Rows?

Efficiently Finding The Closest Coordinate Pair From A Set In Python

The Problem Imagine I am stood in an airport. Given a geographic coordinate pair, how can one effic… Read more Efficiently Finding The Closest Coordinate Pair From A Set In Python

Valueerror: Unknown Layer: Functional

I made a CNN in colab and saved the models at every epoch. I exported the h5 file and now am trying… Read more Valueerror: Unknown Layer: Functional

Multichannel Sound Syncronization Issues In Python (sounddevice)

I am currently working on a script that should be able to output 8 channels of audio (.wav files) t… Read more Multichannel Sound Syncronization Issues In Python (sounddevice)

Python Pandas: Error Tokenizing Data. C Error: Eof Inside String Starting When Reading 1gb Csv File

I'm reading a 1 GB CSV file in chunks of 10,000 rows. The file has 1106012 rows and 171 columns… Read more Python Pandas: Error Tokenizing Data. C Error: Eof Inside String Starting When Reading 1gb Csv File

Tweepy Openssl.ssl.wantreaderror

Python 3.6. I use the streamer of tweepy to get tweets. It works well. But sometimes, if I let it o… Read more Tweepy Openssl.ssl.wantreaderror

Implementing Nb_inplace_add Results In Returning A Read-only Buffer Object

I'm writing an implementation of the in-place add operation. But, for some reason, I sometimes … Read more Implementing Nb_inplace_add Results In Returning A Read-only Buffer Object

How To Check For Unfound Value With Add_xpath In Scrapy And Set Item Value To A Default Value?

Let's say I have this code: def parse(self, response) l = ItemLoader(item=MyItem(), respons… Read more How To Check For Unfound Value With Add_xpath In Scrapy And Set Item Value To A Default Value?

Fetch Latest Related Objects In Django

In my django app I have 'Documents'. Each document has one or more 'Revisions' that… Read more Fetch Latest Related Objects In Django

How To Combine Multiprocessing And Eventlet

I have a task need to start 2 processes and within each process need to start 2 threads to do reall… Read more How To Combine Multiprocessing And Eventlet