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Showing posts from December, 2023

Elementtree's Iter() Equivalent In Python2.6

I have this code with ElementTree that works well with Python 2.7. I needed to get all the nodes wi… Read more Elementtree's Iter() Equivalent In Python2.6

Django Queryset Annotate Field To Be A List/queryset

I'm trying to use django annotation to create queryset field which is a list of values of some … Read more Django Queryset Annotate Field To Be A List/queryset

Removing Duplicate Items By Value Within A Dict

Need some help here as I've been scratching my head for the past hour on this problem: items = … Read more Removing Duplicate Items By Value Within A Dict

Not Able To Execute Sql Command Through A Session Created Using Popen In Python

I'm trying to connect to SQL server using the below code I'm getting error invalid argument… Read more Not Able To Execute Sql Command Through A Session Created Using Popen In Python

In Python, How To Group Elements Together, Based On A Key (group Adjacent)?

In python, I'd like to group elements together based on a key (in example below, key is second … Read more In Python, How To Group Elements Together, Based On A Key (group Adjacent)?

How To Integrate Python3-flake8 With Atom In Ubuntu 16.04

I installed python3-flake8 on Ubuntu 16.04 with the command sudo apt-get install python3-flake8 The… Read more How To Integrate Python3-flake8 With Atom In Ubuntu 16.04

Python Logging: Why Is __init__ Called Twice?

I am trying to use python logging with a config file and an own handler. This works to some degree.… Read more Python Logging: Why Is __init__ Called Twice?

Python Csv, Writing Headers Only Once

So I have a program that creates CSV from .Json. First I load the json file. f = open('Data.jso… Read more Python Csv, Writing Headers Only Once

How To Filter/smooth With Scipy/numpy?

I am trying to filter/smooth signal obtained from a pressure transducer of sampling frequency 50 kH… Read more How To Filter/smooth With Scipy/numpy?

Google App Engine Require Indexes For Tests

I just got bit by my functional tests not using the same settings as my dev_appserver. I currently… Read more Google App Engine Require Indexes For Tests

Transpose Values And Key In Python Dictionary When Values Are Not Unique

I want to change keys to values in a python dictionary, but the values in the original dictionary a… Read more Transpose Values And Key In Python Dictionary When Values Are Not Unique

Is There A Library To Convert Integer To First/second/third

I have a list of integers - is there a library to convert them into plain text ranking? IE: 1,2,3 -… Read more Is There A Library To Convert Integer To First/second/third

Consolidating Elements Of A List

I have a list of tuples: [('fruit', 'O'), ('is', 'O'), ('the… Read more Consolidating Elements Of A List

Using A Custom Object In Pandas.read_csv()

I am interested in streaming a custom object into a pandas dataframe. According to the documentatio… Read more Using A Custom Object In Pandas.read_csv()

What Is The Preferred Method For Storing Application Persistent Data, A Flat File Or A Database?

What is the preferred way to store application-specific parameters (persistent data) for my Python … Read more What Is The Preferred Method For Storing Application Persistent Data, A Flat File Or A Database?

How Would You Group/cluster These Three Areas In Arrays In Python?

So you have an array 1 2 3 60 70 80 100 220 230 250 For a better understanding: How would you gro… Read more How Would You Group/cluster These Three Areas In Arrays In Python?

Why Gevent On A Flask App With Apache + Mod_wsgi Is Raising Notimplementederror?

I'm having an issue deploying my Flask app with Apache (mod_wsgi) and gevent on a shared hostin… Read more Why Gevent On A Flask App With Apache + Mod_wsgi Is Raising Notimplementederror?

Understanding Pythons Enumerate

I started to teach myself some c++ before moving to python and I am used to writing loops such as … Read more Understanding Pythons Enumerate

Python, Tkinter, How To Destroy Labels In Two Different Tabs With For Loop?

Thanks to @Miraj50 that helped me with the .destroy() tkinter: how to write a for loop to destroy … Read more Python, Tkinter, How To Destroy Labels In Two Different Tabs With For Loop?

Pyqt Auto Completion In A Table

I need auto completion in a table. So far, I could make it work that I get the same list for the en… Read more Pyqt Auto Completion In A Table

How To Return An Unknown Number Of Objects In Python Animation Function

I am currently trying to animate a series of images where for each image an initially unknown numbe… Read more How To Return An Unknown Number Of Objects In Python Animation Function

Python Opencv Feature Detector Causes Segmentation Fault

I'm using Python 2.7 and opencv version 2.4.2. I'm having trouble with a segmentation fault… Read more Python Opencv Feature Detector Causes Segmentation Fault

Pandas Multiple Index Dataframe: Creating New Index Or Appending To Existing Index

I have a Pandas dataframe, multi_df, which has a multi-index made of the code,colour,texture and sh… Read more Pandas Multiple Index Dataframe: Creating New Index Or Appending To Existing Index

Parsing Nested Elements Using Selenium Not Working - Python

The picture attached show the structure of the HTML page that I am trying to scrape: First I retri… Read more Parsing Nested Elements Using Selenium Not Working - Python

Removing A Lease That Has Giving Mac From Dhcpd.leases With Python?

I am trying to remove a lease from dhcpd.lease with python according to its mac address. This is a … Read more Removing A Lease That Has Giving Mac From Dhcpd.leases With Python?

Multithreading With Tkinter

I'm having some issues with a Tkinter-based GUI. Basically the GUI creates lots of threads and … Read more Multithreading With Tkinter

Swift If Or/and Statement Like Python

Is there a way to to do and/or in an if statement in swift. eg/ if a > 0 and i == j or f Soluti… Read more Swift If Or/and Statement Like Python

How To Split A List Into Sublists Based On A Separator, Similar To Str.split()?

Given a list like: [a, SEP, b, c, SEP, SEP, d] how do I split it into a list of sublists: [[a], [b… Read more How To Split A List Into Sublists Based On A Separator, Similar To Str.split()?

Python - Forward Imap Email With Attachments (imaplib, Smtplib)

I'm having trouble forwarding mail with attachments. Can anyone point me in the right direction… Read more Python - Forward Imap Email With Attachments (imaplib, Smtplib)

Write Down Bokeh Plot Selected Data Not Working

I am trying to write the selected datapoints from a Bokeh plot. The idea is to access ColumnDataSou… Read more Write Down Bokeh Plot Selected Data Not Working

Predict_proba For A Cross-validated Model

I would like to predict the probability from Logistic Regression model with cross-validation. I kno… Read more Predict_proba For A Cross-validated Model

Create A Dict If Its Not Already Created And Then Append To It

I have a list of files in which I need to select few lines which has CommonChar in them and work on… Read more Create A Dict If Its Not Already Created And Then Append To It

Starting Flask Server In Background

I have a flask application which I am currently starting up in the following way: #phantom.py __aut… Read more Starting Flask Server In Background

Issue Using Deepcopy With Dictionary Inside Object

Reading the documentation, I understood that copy.deepcopy(obj) copies recursively any other object… Read more Issue Using Deepcopy With Dictionary Inside Object

Install Opencv In Anaconda3

Hello guys i ve just installed anaconda3 in windows 8.1 and opencv 2.4.13 and 3.1.0/ Ive copied fro… Read more Install Opencv In Anaconda3

Numpy: In A Sorted List, Find The First And The Last Index For Each Unique Value

Having a sorted list, how can anyone find (using numpy) the first and the last index for each uniqu… Read more Numpy: In A Sorted List, Find The First And The Last Index For Each Unique Value

Complex Dataframe Merge Python Pandas

I am trying to merge 2 dataframes and can't quite get what I'm looking for. Dataframe 1 loo… Read more Complex Dataframe Merge Python Pandas

How To Combine Consecutive Data In A Dataframe And Add Up Value

I have a dataframe : Type: Volume: Date: Q 10 2016.6.1 Q 20 2016.6.1 T … Read more How To Combine Consecutive Data In A Dataframe And Add Up Value

Why Is Assignment Not Allowed In If Statement In Python

Why is assignment not allowed in if statements in Python ? In other languages like c it is possible… Read more Why Is Assignment Not Allowed In If Statement In Python

Attributeerror: 'series' Object Has No Attribute 'iterrows'

accounts = pd.read_csv('C:/*******/New_export.txt', sep=',', dtype={'number'… Read more Attributeerror: 'series' Object Has No Attribute 'iterrows'

Mayavi Mlab.savefig() Gives An Empty Image

I am trying to learn mayavi2 for python and can not get my savefig to show my plots. I found this e… Read more Mayavi Mlab.savefig() Gives An Empty Image

Change Each Character In String To The Next Character In Alphabet

I am coding in Python 2.7 using PyCharm on Ubuntu. I am trying to create a function that will take … Read more Change Each Character In String To The Next Character In Alphabet

How To Use Numpy To Calculate Mean And Standard Deviation Of An Irregular Shaped Array

I have a numpy array that has many samples in it of varying length Samples = np.array([[1001, 1002,… Read more How To Use Numpy To Calculate Mean And Standard Deviation Of An Irregular Shaped Array

Use Subprocess Python Library To Unzip A File Using 7zip

I would like to unzip a file with Python using 7zip executable. In Perl this is pretty straightforw… Read more Use Subprocess Python Library To Unzip A File Using 7zip

Reading Temperature_target Directly From Cpu

I would like to directly read the minimum temperate at which the TCC will be activated from the TEM… Read more Reading Temperature_target Directly From Cpu

Reciprocals In Patsy

Patsy's power doesn't allow for negative integers, so, if we have some series data X, patsy… Read more Reciprocals In Patsy

How Do I Add Column Header, In The Second Row In A Pandas Dataframe?

I have a data frame frame from pandas and now I want to add columns names, but only for the second … Read more How Do I Add Column Header, In The Second Row In A Pandas Dataframe?

Outputting A Python Dictionary With Values In An Array To A Csv File.

First question here, please forgive the various and sundry errors I'm sure to make. I've be… Read more Outputting A Python Dictionary With Values In An Array To A Csv File.

How Do I Get The Session Id Of The Connecting Client In A Socket.io Python Server?

I have something like this: from flask import Flask, jsonify, request, render_template, Response fr… Read more How Do I Get The Session Id Of The Connecting Client In A Socket.io Python Server?

Stiff Ode-solver

I need an ODE-solver for a stiff problem similar to MATLAB ode15s. For my problem I need to check h… Read more Stiff Ode-solver

Dynamically Folder Creation In S3 Bucket From Pyspark Job

I am writing data into s3 bucket and creating parquet files using pyspark . MY bucket structure loo… Read more Dynamically Folder Creation In S3 Bucket From Pyspark Job

Django 1.8.7 Get_readonly_fields Seems Like Have A Bug

I try something with readonly field in Django 1.8.7, let say I have some code like the following: c… Read more Django 1.8.7 Get_readonly_fields Seems Like Have A Bug

Django Rest Framework : "this Field Is Required." With Required=false And Unique_together

I want to save a simple model with Django REST Framework. The only requirement is that UserVote.cre… Read more Django Rest Framework : "this Field Is Required." With Required=false And Unique_together

How To Run Selenium Web Driver Behind A Proxy Server Which Needs Authentication In Python

At present this is my code, but webDriver is showing a pop-up to enter proxy credentials and I don&… Read more How To Run Selenium Web Driver Behind A Proxy Server Which Needs Authentication In Python

Using Stringvar Data As A List

I've been following this website for a while. It is really helpful. So, thanks for all the usef… Read more Using Stringvar Data As A List

Installation Failed: Pipenv Install Google-ads (typeerror: Expected String Or Bytes-like Object)

pipenv install google-ads produces an error: ERROR: Command errored out with exit status 1: python … Read more Installation Failed: Pipenv Install Google-ads (typeerror: Expected String Or Bytes-like Object)

Add Parent Tags With Beautiful Soup

I have many pages of HTML with various sections containing these code snippets: Reference: Solution… Read more Add Parent Tags With Beautiful Soup