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Showing posts from April, 2023

Regex For IBAN Mask

I am trying to extract this text 'NL dd ABNA ddddddddd' from string: IBAN NL 91ABNA04174633… Read more Regex For IBAN Mask

Newline And Dash Not Working Correctly In Jinja

How could I generate the expected output ? Thanks jinja template {%- for field in fields -%} - n… Read more Newline And Dash Not Working Correctly In Jinja

MultiValueField Does Not Work With ModelChoiceField

The code: (where AddressInput is a MultiWidget) class AddressInput(widgets.MultiWidget): def __… Read more MultiValueField Does Not Work With ModelChoiceField

Regular Expression: Matching And Grouping A Variable Number Of Space Separated Words

I have a string: 'foo hello world baz 33' The part between foo and baz will be some number… Read more Regular Expression: Matching And Grouping A Variable Number Of Space Separated Words

Python 3 Detect Caps Lock Status

I've been searching for a way to identify the status of the CAPS LOCK in Python 3 and the only … Read more Python 3 Detect Caps Lock Status

Pivot DataFrame With No Unique Column

My DataFrame looks like this, df = index | A | B | C 0 |00456|text1|date1 1 |00443|tex… Read more Pivot DataFrame With No Unique Column

Why Just One Name Could Taken

def path(request, mypath): mypath = request.path_info _listdir = os.listdir(mypath) # [… Read more Why Just One Name Could Taken

Issues Installing With Pip3

I am running into a strange issue that I have not been able to find a solution for yet. I have just… Read more Issues Installing With Pip3

Connecting Log4j To Ipython Notebook Stderr In A Java/python Project Using Py4j

I have a project that uses java, scala and Apache Spark to do distributed computations on genomic d… Read more Connecting Log4j To Ipython Notebook Stderr In A Java/python Project Using Py4j

Unpack List Of Lists Into List

I have list of lists of tuples: a = [[(1, 2), (3, 4), (5, 6)], [(7, 8), (9, 10)]] How can I make o… Read more Unpack List Of Lists Into List

Writing Python Selenium Output To Excel

I have written a script to scrape product information from online websites. The goal is to write th… Read more Writing Python Selenium Output To Excel

How Named Tuples Are Implemented Internally In Python?

Named tuples are easy to create, lightweight object types. namedtuple instances can be referenced … Read more How Named Tuples Are Implemented Internally In Python?

How Can I Reduce Memory Usage Of Scikit-Learn Vectorizers?

TFIDFVectorizer takes so much memory ,vectorizing 470 MB of 100k documents takes over 6 GB , if we … Read more How Can I Reduce Memory Usage Of Scikit-Learn Vectorizers?

Python Nltk -- Stemming List Of Sentences/phrases

I have bunch of sentences in a list and I wanted to use nltk library to stem it. I am able to stem … Read more Python Nltk -- Stemming List Of Sentences/phrases

Show Images On The Templates Of Django Using Google App Engine

i am using google app engine with django to make a small application that it has these features u… Read more Show Images On The Templates Of Django Using Google App Engine

Is There A Way To Fill One Side Of The Gyroid Surface By Using Mayavi?

I'm using Mayavi to plot an iso-surface of a gyroid. My problem is that I need a more solid str… Read more Is There A Way To Fill One Side Of The Gyroid Surface By Using Mayavi?

Python CSVWriter Is Creating A CSV File That Doesn't Seem To Exist In My Directory

I'm trying to write to a CSV file using Python. Problem is - it looks like it's writing to … Read more Python CSVWriter Is Creating A CSV File That Doesn't Seem To Exist In My Directory

Making String Comparision In Python

I was trying to replicate the strcmp from c in python.I typed the former program and it worked but … Read more Making String Comparision In Python

How Do I Speed Up Iteration Of Large Datasets In Django

I have a query set of approximately 1500 records from a Django ORM query. I have used the select_r… Read more How Do I Speed Up Iteration Of Large Datasets In Django

JSON To Arrays Python

I searched on internet, without success, a way to set JSON infos into arrays, with a JSON file like… Read more JSON To Arrays Python

Mysql In Python Encoding

This post is the same with my question in MySQL in Python: UnicodeEncodeError: 'ascii' this… Read more Mysql In Python Encoding

Python Requests POST Doing A GET?

I am using Python 2.7.5, Django 1.7, requests 2.4.1, and doing some simple testing. However, it see… Read more Python Requests POST Doing A GET?

Combining/adding Vectors From Different Word2vec Models

I am using gensim to create Word2Vec models trained on large text corpora. I have some models based… Read more Combining/adding Vectors From Different Word2vec Models

TypeError: Expected String Or Buffer Decoding Json In Flask

I'm working with a a distributed system where a php app sends a post request to a python flask … Read more TypeError: Expected String Or Buffer Decoding Json In Flask

How Can I Change Kivy Window Position

Is there any other way to change window position without using: from kivy.config import Config Conf… Read more How Can I Change Kivy Window Position

Collect Set By Group?

I am working with Hive data pulled into a Python Jupyter notebook using a Hive wrapper written in P… Read more Collect Set By Group?

Python Virtual Environment (virtualenv) File Path Logic/ Errors

Trying to establish a virtual environment and tried the following command: virtualenv --pyth… Read more Python Virtual Environment (virtualenv) File Path Logic/ Errors

Read Image XMP Data In Python

Can I use PIL, like in this example? I only need to read the data, and I'm looking for the easi… Read more Read Image XMP Data In Python

How To Click On A Username Within Web.whatsapp.com Using Selenium And Python

The bot is supposed to send message on whatsApp WEB but unfortunately is stopping and giving error … Read more How To Click On A Username Within Web.whatsapp.com Using Selenium And Python

Move Mail In IMAP With Python Library

Moving a message to a different folder seems quite difficult in IMAP. See IMAP: how to move a messa… Read more Move Mail In IMAP With Python Library

Why Do Insertions And Deletes Take Over 100 Times Longer On Windows 7 Than Mac 10.9?

I wrote a script to benchmark insertions and deletes. import os, time abspath = os.path.abspath(o… Read more Why Do Insertions And Deletes Take Over 100 Times Longer On Windows 7 Than Mac 10.9?

How To Replace Values In A Range In A Pandas Dataframe With Another Value In The Same Dataframe Based On A Condition

I want to replace values within a range of columns in a dataframe with a corresponding value in ano… Read more How To Replace Values In A Range In A Pandas Dataframe With Another Value In The Same Dataframe Based On A Condition