Skip to content Skip to sidebar Skip to footer
Showing posts from July, 2024

Is It Possible To Have A Progress Bar Without A Loop?

I am using FFmpeg to do some video editing. I would like to have a progress bar but there is not a… Read more Is It Possible To Have A Progress Bar Without A Loop?

Macos Big Sur Python3 Cannot Import Numpy Due To Polyfit Error

update from Jan 2021: I performed a clean install of Big Sur in Jan 2021, and upgrade pip to latest… Read more Macos Big Sur Python3 Cannot Import Numpy Due To Polyfit Error

Filtering Rows By A Particular Index Level In A Multiindex Dataframe

Given a multIndex dataframe: mux = pd.MultiIndex.from_arrays([ list('aaaabbbbbccdddddd'… Read more Filtering Rows By A Particular Index Level In A Multiindex Dataframe

Python Request Containing Parameters That Have Values And Parameters That Do Not Have Values

I am writing a Python wrapper for an API that supports the query parameters that have values (e.g. … Read more Python Request Containing Parameters That Have Values And Parameters That Do Not Have Values

How To Get R-squared For Robust Regression (rlm) In Statsmodels?

When it comes to measuring goodness of fit - R-Squared seems to be a commonly understood (and accep… Read more How To Get R-squared For Robust Regression (rlm) In Statsmodels?

Python Install Xmlrpclib

I'm in a virtualenv and trying to run a script I get the following: Traceback (most recent call… Read more Python Install Xmlrpclib

Adding Node Labels To Bokeh Network Plots

I am using the following code to produce an interactive bokeh network graph. How do I add the name … Read more Adding Node Labels To Bokeh Network Plots

How To Find A Value In Tensor From Other Tensor In Tensorflow

I have a problem about finding a value in from other tensor. The description of this problem is as … Read more How To Find A Value In Tensor From Other Tensor In Tensorflow

Pagination In Amazon Dynamodb Using Boto

How do I paginate my results from DynamoDB using the Boto python library? From the Boto API documen… Read more Pagination In Amazon Dynamodb Using Boto

Why Is This Python While Loop Not Ending?

I am wondering why this code seems to loop infinitely? The logic, while not False = while True, and… Read more Why Is This Python While Loop Not Ending?

Reading Non-uniform Data From File Into Array With Numpy

Suppose I have a text file that looks like this: 33 3 46 12 23 10 23 11 23 12 23 13 23 14 23 … Read more Reading Non-uniform Data From File Into Array With Numpy

Basic Numpy Array Value Assignment

As a small exercise before i start playing with numeric code in python I am trying to make an LDLT … Read more Basic Numpy Array Value Assignment

Itertools.islice Compared To List Slice

I've been trying to apply an algorithm to reduce a python list into a smaller one based on a ce… Read more Itertools.islice Compared To List Slice

Credit Card Transaction Classification In Python

I'm curious to see if anyone has any thoughts on how to accomplish this in Python with Pandas. … Read more Credit Card Transaction Classification In Python

Python, Sqlite3 - How To Convert A List To A Blob Cell

What is the most elegant method for dumping a list in python into an sqlite3 DB as binary data (i.e… Read more Python, Sqlite3 - How To Convert A List To A Blob Cell

Not Able To Copy File From Dbfs To Local Desktop In Databricks

I want to save or copy my file from the dbfs to my desktop (local). I use this command but get an e… Read more Not Able To Copy File From Dbfs To Local Desktop In Databricks

How To Calculate Frequency Of Elements For Pairwise Comparisons Of Lists In Python?

I have the the sample stored in the following list sample = [AAAA,CGCG,TTTT,AT-T,CATC] .. To illu… Read more How To Calculate Frequency Of Elements For Pairwise Comparisons Of Lists In Python?

Count Down To A Target Datetime In Python

I am trying to create a program which takes a target time (like 16:00 today) and counts down to it,… Read more Count Down To A Target Datetime In Python

Pandas Dataframe Check Intersection And Fill In A New Dataframe

I have two lists of protein sequences, I have to check every entry's existence in the two lists… Read more Pandas Dataframe Check Intersection And Fill In A New Dataframe

Use Sklearn To Find String Similarity Between Two Texts With Large Group Of Documents

Given a large set of documents (book titles, for example), how to compare two book titles that are … Read more Use Sklearn To Find String Similarity Between Two Texts With Large Group Of Documents

Scalable Solution For Str.contains With List Of Strings In Pandas

I am parsing a pandas dataframe df1 containing string object rows. I have a reference list of keywo… Read more Scalable Solution For Str.contains With List Of Strings In Pandas

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

Python String Count Not Working Properly?

There are two occurrences of 'aba' in 'ababa' (0th index and 2nd index): myString =… Read more Python String Count Not Working Properly?

Word Counts In Python Using Regular Expression

What is the correct way to count English words in a document using regular expression? I tried with… Read more Word Counts In Python Using Regular Expression

Could Not Build Wheels For _ Which Use Pep 517 And Cannot Be Installed Directly - Easy Solution

I am trying to install a package which uses PEP 517. The newest version of Pip won't allow me t… Read more Could Not Build Wheels For _ Which Use Pep 517 And Cannot Be Installed Directly - Easy Solution

How To Move Nan Values To End In All Columns

I have a df like this, A B C a NaN NaN b NaN NaN c NaN NaN NaN a Na… Read more How To Move Nan Values To End In All Columns

Gtk-warning **: Cannot Open Display:

I am using Data science toolbox running ubuntu 14.04 through vagrant in windows. I installed OpenCV… Read more Gtk-warning **: Cannot Open Display:

How To Iterate Over Unicode Characters In Python 3?

I need to step through a Python string one character at a time, but a simple 'for' loop giv… Read more How To Iterate Over Unicode Characters In Python 3?

Installing Maven Library On Databricks Via Python Commands And Dbutils

On Databricks I would like to install a Maven library through commands in a Python Notebook if its … Read more Installing Maven Library On Databricks Via Python Commands And Dbutils

Inconsistent Execution Time In Python On All Systems

Something that's been driving me crazy with python... I used to think it was just Windows, but … Read more Inconsistent Execution Time In Python On All Systems

Send Audio Data Represent As Numpy Array From Python To Javascript

I have a TTS (text-to-speech) system that produces audio in numpy-array form whose data type is np.… Read more Send Audio Data Represent As Numpy Array From Python To Javascript

Tutorials On Optimizing Non-trivial Python Applications With C Extensions Or Cython

The Python community has published helpful reference material showing how to profile Python code, a… Read more Tutorials On Optimizing Non-trivial Python Applications With C Extensions Or Cython

Why Do We Need To Convert A Zipped Object Into A List

I am trying to complete a datacamp exercise in which I am required to convert 2 lists into a zip ob… Read more Why Do We Need To Convert A Zipped Object Into A List

Spark: How To Transpose And Explode Columns With Nested Arrays

I applied an algorithm from the question below(in NOTE) to transpose and explode nested spark dataf… Read more Spark: How To Transpose And Explode Columns With Nested Arrays

Store Images In Datastore Of Gae Python While Deploying Web2py App

I am trying to deploy a web2py application on GAE. When run locally, a phone_details table is defin… Read more Store Images In Datastore Of Gae Python While Deploying Web2py App

How Do I Get My Computer's Fully Qualified Domain Name In Python?

I know I can use platform.node() to get my computer's network name: >>> import platfor… Read more How Do I Get My Computer's Fully Qualified Domain Name In Python?

Python Decorator Also For Undefined Attributes

I'd like to create a Model Class for an User. The data of the user are stored in an document ba… Read more Python Decorator Also For Undefined Attributes

Python Quit Function Not Working

I am using the following check in one of my scripts: if os.path.exists(FolderPath) == False: pr… Read more Python Quit Function Not Working

Tuple And Csv Reader In Python

Attempting something relatively simple. First, I have dictionary with tuples as keys as follows: (0… Read more Tuple And Csv Reader In Python

Python Regex Replace

Hey I'm trying to figure out a regular expression to do the following. Here is my string Place… Read more Python Regex Replace

Unresolved Reference With Global Variables In Python 3

So, I'm not sure why, but I'm getting an 'Unresolved Reference' warning from Pychar… Read more Unresolved Reference With Global Variables In Python 3

Dll Load Failed: %1 Is Not A Valid Win32 Application

So I have a situation where I need to make binary patches and then be able to apply them from withi… Read more Dll Load Failed: %1 Is Not A Valid Win32 Application

Python: How To Add A Secondary X Axis For A Single Trace?

I have a DataFrame (see 'Test Data' section below) and I would like to add a secondary x ax… Read more Python: How To Add A Secondary X Axis For A Single Trace?

How To Download All The Pictures Of A Webpage And Save Them In Their Original Names?

I coded a small Python script to download a picture from a website using selenium: from selenium im… Read more How To Download All The Pictures Of A Webpage And Save Them In Their Original Names?

How Do I Generate An Adjacency Matrix Of A Graph From A Dictionary In Python?

I have the following dictionary: g = { 'A': ['A', 'B', 'C'], '… Read more How Do I Generate An Adjacency Matrix Of A Graph From A Dictionary In Python?

Replace Letters In Python String

Im writing a program for french that turns present tense verbs into past tense. The problem is that… Read more Replace Letters In Python String

How To Make Variables From 'import Variables' Globally Available?

I'm currently using Robot Framework to automate some tests. Problem: I am trying to figure out … Read more How To Make Variables From 'import Variables' Globally Available?

Prevent Users To Access Data Of Another User When Typing The Slug In The Url

If user 1 creat this ticket : mywebsite/manager/tickets/ticket-from-user-1/ And user 2 create that … Read more Prevent Users To Access Data Of Another User When Typing The Slug In The Url

Python Multiprocessing With Multiple Arguments

I'm trying to multiprocess a function that does multiple actions for a large file but I'm g… Read more Python Multiprocessing With Multiple Arguments

Add A Index Selected Numpy Array To Another Numpy Array With Overlapping Indices

I have two numpy arrays image and warped_image and indices arrays ix,iy. I need to add image to war… Read more Add A Index Selected Numpy Array To Another Numpy Array With Overlapping Indices

Force Keyboard Focus To Lineedit Qt

I'm trying to develop an overlay PopUp for Windows that's triggered by a global keybind, wh… Read more Force Keyboard Focus To Lineedit Qt

Converting Tiff To Jpeg In Python

Can anyone help me to read .tiff image and convert into jpeg format? from PIL import Image im = Ima… Read more Converting Tiff To Jpeg In Python

How To Check If Folder Is Empty With Python?

I am trying to check if a folder is empty and do the following: import os downloadsFolder = '..… Read more How To Check If Folder Is Empty With Python?

Weighted Gini Coefficient In Python

Here's a simple implementation of the Gini coefficient in Python, from https://stackoverflow.co… Read more Weighted Gini Coefficient In Python

How To Append Data To Text File In Python 2.7.11?

Could any one show me how i can add hyperlinks to new line in text file? If there is already data i… Read more How To Append Data To Text File In Python 2.7.11?

How To Use Paramiko To Transfer Files Between Two Remote Servers?

Please let me know how do I use paramiko module to transfer files between two remote hosts. I have … Read more How To Use Paramiko To Transfer Files Between Two Remote Servers?

Is There Any Way To Install Tesseract Ocr In A Venv/web Server?

I made a Python script that does OCR, and then I recycled the script and made a web app using Flask… Read more Is There Any Way To Install Tesseract Ocr In A Venv/web Server?

Improving The Speed When Calculating Permutation On Multiple Elements In List Of Arrays

Suppose we have an array of a list containing indices. Each row (i.e. array) is associated to a spe… Read more Improving The Speed When Calculating Permutation On Multiple Elements In List Of Arrays

Saving Dataframe To Parquet Takes Lot Of Time

I have a spark data frame which has around 458MM rows. It was initially an RDD so then I converted … Read more Saving Dataframe To Parquet Takes Lot Of Time

Python Xml Parsing Not Working For Some Sites

I have a very basic XML parser based on the tutorial provided here, for the purpose of reading RSS … Read more Python Xml Parsing Not Working For Some Sites

Schema Avro Is In Timestamp But In Bigquery Comes As Integer

I have a pipe that uploads avro files to bigquery, the configured schema seems to be ok, but BigQue… Read more Schema Avro Is In Timestamp But In Bigquery Comes As Integer

Ctypes: How Do I Define An Array Of A Structure As A Field Of Another Structure?

I have a C structure that looks like the following: typedef struct _DXYZ { DXYZSTATE State[]; }… Read more Ctypes: How Do I Define An Array Of A Structure As A Field Of Another Structure?