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Showing posts from August, 2024

Hovertool For Multiple Data Series In Bokeh Scatter Plot

I have the following small example script making use of numpy and bokeh: import numpy as np import … Read more Hovertool For Multiple Data Series In Bokeh Scatter Plot

Python List Of Usa Holidays Between A Range

I have a need to fetch list of holidays in a given range, i.e., if start date is 20/12/2016 & e… Read more Python List Of Usa Holidays Between A Range

Using First Row As Variable With Python

I want to change this piece of code where indicated to be more dynamic and specific. I would like t… Read more Using First Row As Variable With Python

How To Share Opencv Images In Two Python Programs?

I have three python files: glob_var.py, read_cam.py, read_globVar.py. Their contents are as below: … Read more How To Share Opencv Images In Two Python Programs?

Wait For Datastore Update Before Proceeding

I'm working on a lightweight app, and I have quite a few situations where the user submits a fo… Read more Wait For Datastore Update Before Proceeding

How To Render Contents Of A Tag In Unicode In Beautifulsoup?

This is a soup from a WordPress post detail page: content = soup.body.find('div', id=re.com… Read more How To Render Contents Of A Tag In Unicode In Beautifulsoup?

How To Assign The Url That's Being Scraped From To An Item?

I'm pretty new to Python and Scrapy and this site has been an invaluable resource so far for my… Read more How To Assign The Url That's Being Scraped From To An Item?

Openpyxl Setting Number Format

Could please someone show an example of applying the number format to the cell. For example, I need… Read more Openpyxl Setting Number Format

How To Keep Lookup Tables Initialized For Prediction (and Not Just Training)?

I create a lookup table from tf.contrib.lookup, using the training data (as input). Then, I pass ev… Read more How To Keep Lookup Tables Initialized For Prediction (and Not Just Training)?

Python Csv List Separator Based On Regional Settings

how to detect list separator in users machine with Python? CSV file needs to be created on users ma… Read more Python Csv List Separator Based On Regional Settings

How To Add Permissions In Django To Models And Test It Using The Shell

I added the Meta class in my model and synchronized the DB then created an object in the shell it r… Read more How To Add Permissions In Django To Models And Test It Using The Shell

How Can My Code Tell If It's Running On Google's Server Or My Local Development Server?

Possible Duplicate: In Python, how can I test if I'm in Google App Engine SDK? Is there an en… Read more How Can My Code Tell If It's Running On Google's Server Or My Local Development Server?

Deleting A Line From A Text File

How to you delete a specific line from a text file using readlines() like: f_open = open('textf… Read more Deleting A Line From A Text File

How To Generate A Randomly Oriented, High Dimension Circle In Python?

I want to generate a randomly oriented circle in R^n. I have been able to successfully generate poi… Read more How To Generate A Randomly Oriented, High Dimension Circle In Python?

Correct Style For Element-wise Operations On Lists Without Numpy (python)

I would like to operate on lists element by element without using numpy, for example, i want add([1… Read more Correct Style For Element-wise Operations On Lists Without Numpy (python)

Django Login Form- Logs Into The Dashboard 2nd Time

I've a login form. Whenever I sign into it for the first time, it asks me the username and pass… Read more Django Login Form- Logs Into The Dashboard 2nd Time

Trouble With Psycopg2 In Virtualenv Python3 For Use With Django

I have a Django project that I would like to use with a PostgreSQL database but I am having an issu… Read more Trouble With Psycopg2 In Virtualenv Python3 For Use With Django

Python Multiprocessing: More Processes Than Requested

Why do I see so many python processes running (in htop on RHEL 6) for the same script when I only u… Read more Python Multiprocessing: More Processes Than Requested

Looking For The Right Way With Regular Expression With Groups In Different Order

I am trying to parse many cobol copybooks using python. I have this regex expression that I have mo… Read more Looking For The Right Way With Regular Expression With Groups In Different Order

Saving A Sequence Of 3rd-order Tensors And Reading It Back Without Losing Array Format

Python 3.7, Numpy: I need to save a 3rd-order object, which was created using numpy. It is a list o… Read more Saving A Sequence Of 3rd-order Tensors And Reading It Back Without Losing Array Format

Django Mod_wsgi Picklingerror While Saving Object

Do you know any solution to this: [Thu Jul 08 19:15:38 2010] [error] [client 79.162.31.162] mod_wsg… Read more Django Mod_wsgi Picklingerror While Saving Object

Ajax Console Window With Ansi/vt100 Support?

I'm planning to write gateway web application, which would need 'terminal window' with … Read more Ajax Console Window With Ansi/vt100 Support?

Average Over A Specific Time Period

I have a quite huge table in python from a .h5 file The start of the table looks somewhat like this… Read more Average Over A Specific Time Period

Socket.error [error 10060]

This is the code I am trying to run. But the program produces a socket.error. I have a network prox… Read more Socket.error [error 10060]

How To Force Elementtree To Keep Xmlns Attribute Within Its Original Element?

I have an input XML file: Solution 1: xml.etree.ElementTree pulls all namespaces into the first e… Read more How To Force Elementtree To Keep Xmlns Attribute Within Its Original Element?

Folium Map Not Displaying

Running on canopy version 1.5.5.3123 With; Folium Version: 0.1.2, Build: 1 The following code; impo… Read more Folium Map Not Displaying

Default Argument Value From Overridden Method (preventing Boilerplate)

I have a base class Base and two sub classes Foo and Bar. In Base I define a function with an optio… Read more Default Argument Value From Overridden Method (preventing Boilerplate)

Django-admin Startproject Results In "modulenotfounderror: No Module Named 'config'"

My setup is: - Mac OS running pyenv installed with homebrew. - python 3.6.5 virtualenv - pip instal… Read more Django-admin Startproject Results In "modulenotfounderror: No Module Named 'config'"

How Can I Make Scrapy To Process The Url Sequentially

I have this code def parse(self, response): hxs = HtmlXPathSelector(response) sites = hxs.… Read more How Can I Make Scrapy To Process The Url Sequentially

Remove Annotation While Keeping Plot Matplotlib

I'm producing a series of scatterplots, where I keep most of the plot (besides the scatter plot… Read more Remove Annotation While Keeping Plot Matplotlib

Extracting .docx Data, Images And Structure

Good day SO, I have a task where I need to extract specific parts of a document template (For autom… Read more Extracting .docx Data, Images And Structure

Flask - Response To A Post - Confusing Behaviour

I am completely confused by the following behaviour in Flask. I am sure there is something basic go… Read more Flask - Response To A Post - Confusing Behaviour

Newbie At Python (greater Than But Less Than; Return

cookiedict = {'banana':5, 'blueberries':5, 'jerky':5} def cookies(): r… Read more Newbie At Python (greater Than But Less Than; Return

Map Two Data Frames To Create A Dictionary With Multiple Values For A Key - Pandas

I want to create a dictionary that will have multiple values for a key. I have the following DataF… Read more Map Two Data Frames To Create A Dictionary With Multiple Values For A Key - Pandas

How To Group By Multiple Columns

I want to group by my dataframe by different columns based on UserId,Date,category (frequency of us… Read more How To Group By Multiple Columns

Run My Python Script At Login On Linux

I have a Python script, and I want it to be autostarted at every login. It's in a linux system.… Read more Run My Python Script At Login On Linux

Python: Generating Integer Partitions

I need to generate all the partitions of a given integer. I found this algorithm by Jerome Kelleher… Read more Python: Generating Integer Partitions

Python Pycharm And Sql Server Connection

I would like to use data from SQL server in Pycharm using python. I have my database connection set… Read more Python Pycharm And Sql Server Connection

How To Recover Original Indices For A Flattened Numpy Array?

I've got a multidimensional numpy array that I'm trying to stick into a pandas data frame. … Read more How To Recover Original Indices For A Flattened Numpy Array?

Tests For Checking The Permissions Of A Group

I am trying to write tests for an app to check that a group has the required permission for a part… Read more Tests For Checking The Permissions Of A Group

How To Login To Amazon Using Beautifulsoup

Referring to this post: Unable to log in to Amazon using Python I tried using the suggested answer… Read more How To Login To Amazon Using Beautifulsoup

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/

How To Not Start The Next Day With Datetime While Adding A Timedelta?

Given a current time of 23:30:00 and I add two hours (7200 seconds). How can I get the time of the … Read more How To Not Start The Next Day With Datetime While Adding A Timedelta?

In Tkinter How Do I Remove Focus From A Widget?

I'd like to remove focus from a widget manually. Solution 1: You can focus to another dummy wi… Read more In Tkinter How Do I Remove Focus From A Widget?

403 Forbidden (error Code: 50001): Missing Access When Adding Role | Discord.py

I am trying to ass different roles to people rapidly to give users the impression of their name bei… Read more 403 Forbidden (error Code: 50001): Missing Access When Adding Role | Discord.py

Python: Find Keywords In A Text File From Another Text File

Take this invoice.txt for example Invoice Number INV-3337 Order Number 12345 Invoice Date January … Read more Python: Find Keywords In A Text File From Another Text File

Memoryerror In Python But Not Ipython

Generally-can you think of any reason why this would happen (i.e. a MemoryError in Python but not i… Read more Memoryerror In Python But Not Ipython

How Can I Rotate An Image In Pygame With Out Current Command(with Out *pygame.transform.rotate* Command)?

import pygame SIZE = 1000, 900 pygame.init() screen = pygame.display.set_mode(SIZE) … Read more How Can I Rotate An Image In Pygame With Out Current Command(with Out *pygame.transform.rotate* Command)?

Python 3.6: Must Be Str, Not Bytes Error With Playsound Module

I wrote an incredibly simple code just to check if the module is working, but I keep getting 'm… Read more Python 3.6: Must Be Str, Not Bytes Error With Playsound Module

How To Work On A Exist Session In Selenium With Python?

I want to fill some field of a webpage and then send a request to it but this website has a very p… Read more How To Work On A Exist Session In Selenium With Python?

Pandas - Vlookup - Duplicate Values In Search Column

I am trying to mimic a v lookup (excel function) in Pandas ( using test data sets the merge functio… Read more Pandas - Vlookup - Duplicate Values In Search Column

Django-filter: Using Choicefilter With Choices Dependent On Request

I am using django-filter and need to add a ChoiceFilter with choices dependent on the request that … Read more Django-filter: Using Choicefilter With Choices Dependent On Request

Clear R Memory Using Rpy2

I have a bunch of R functions which I need to call through python. However, I reach memory errors w… Read more Clear R Memory Using Rpy2

Python Adds Special Characters To Path-string

I am trying to work with a path in Python 2.7 This is what I am trying to do in my main class: prog… Read more Python Adds Special Characters To Path-string

Calculate Angle Of Rotation Image Wrt Another Image

I am developing an application which processes cheques for banks. But when the bank's image of … Read more Calculate Angle Of Rotation Image Wrt Another Image

Numpy In-place Operations With Overlapping Slices

Consider this out-of-place operation: >>> b = numpy.asarray([1, 2, 3]) >>> b[1:] … Read more Numpy In-place Operations With Overlapping Slices

How To 'format Cells' With Openpyxl?

I want to format the column cells in my excel sheet using openpyxl to have their numbers decimal pl… Read more How To 'format Cells' With Openpyxl?

Comparing Two Sqlite3 Tables Using Python

Now the question is a little tricky.... I have 2 tables that i want to compare them for their conte… Read more Comparing Two Sqlite3 Tables Using Python

Overflow Error In Python Program

Please help me to understand why this code doesn't work. I know there is something very stupid … Read more Overflow Error In Python Program

Os.startfile() Path In Python With Numbers

I am working on a little project in python for work. It involves opening a file with the os.startfi… Read more Os.startfile() Path In Python With Numbers

Find Strings And Subtring From The Wordlist

i have test.txt file, Find strings and subtring from the wordlist Solution 1: have you h… Read more Find Strings And Subtring From The Wordlist

Python Udfs In Pig

I've seen the documentatio here, but I confess that I feel it rather lacking. I was wondering … Read more Python Udfs In Pig

Python - Flask Default Route Possible?

In Cherrypy it's possible to do this: @cherrypy.expose def default(self, url, *suburl, **kwarg)… Read more Python - Flask Default Route Possible?

Another Local Variable Referenced Before Assignment - Python

I'll start by saying: I know this is a question that gets asked a lot. I've read the othe… Read more Another Local Variable Referenced Before Assignment - Python

Generating A Csrf Token Manually With Flask Wtf-forms

I'd like to create and fill out a Flask WTF-Form using only python code. However, the form doe… Read more Generating A Csrf Token Manually With Flask Wtf-forms

Flask Sqlalchemy Add Row Using Dynamic Column Name

I would like to add a row to an existing table but the column name is unknown. Earlier on in my scr… Read more Flask Sqlalchemy Add Row Using Dynamic Column Name

Python Configparser Cannot Search .ini File Correctly (ubuntu 14, Python 3.4)

Problem: The code compiles fine but when ever i call the read_db_config function i get 'Excepti… Read more Python Configparser Cannot Search .ini File Correctly (ubuntu 14, Python 3.4)

Keep A Datetime.date In 'yyyy-mm-dd' Format When Using Flask's Jsonify

For some reason, the jsonify function is converting my datetime.date to what appears to be an HTTP … Read more Keep A Datetime.date In 'yyyy-mm-dd' Format When Using Flask's Jsonify