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Showing posts from October, 2023

Django - Syncdb Doesn't Create Tables

I added a many-to-many field to an existing model and was expecting syncdb to create a new table, b… Read more Django - Syncdb Doesn't Create Tables

Nested List Comprehension / Merging Nested Lists

I have a problem understanding a nested list comprehension structure. I have a list >>> te… Read more Nested List Comprehension / Merging Nested Lists

Typeerror: Argument 1 Must Be Pygame.surface, Not Str [pygame Using Buttons]

Hello I'm creating a game using pygame and I had some problems. I create some buttons (using im… Read more Typeerror: Argument 1 Must Be Pygame.surface, Not Str [pygame Using Buttons]

Animate Scatter Plot With Colorbar Using Matplotlib

I have spent a serious amount of time trying to animate scatter plot where the colour of the marker… Read more Animate Scatter Plot With Colorbar Using Matplotlib

What Does Region None Mean When Creating A Aws S3 Bucket?

I have just created a bucket with AWS CLI: aws s3 mb s3://new-bucket-created And then when listing… Read more What Does Region None Mean When Creating A Aws S3 Bucket?

Tensorflow 0.7.1 With Cuda Toolkit 7.5 And Cudnn 7.0

I recently tried to upgrade my Tensorflow installation from 0.6 to 0.7.1 (Ubuntu 15.10, Python 2.7)… Read more Tensorflow 0.7.1 With Cuda Toolkit 7.5 And Cudnn 7.0

How To Use Opencv Tracker Parameters Without Selecting A Roi

can someone tell me which second parameter I should pass to tracker.init() after detection a pedest… Read more How To Use Opencv Tracker Parameters Without Selecting A Roi

Install Python 3 On Centos 8 Returns "failed To Synchronize Cache For Repo 'baseos'"

I am using CentOS 8. I'm trying to install Python 3. Command: sudo dnf install python3. Error: … Read more Install Python 3 On Centos 8 Returns "failed To Synchronize Cache For Repo 'baseos'"

Parse Equation To List Of Tuples In Python

I want to parse equations and get a list of tuples. For example, when I enter 2x = 4+3y, I want… Read more Parse Equation To List Of Tuples In Python

Python Argparse Requiring Option, Depending On The Defined Flags

I have a small python script, which uses argparse to let the user define options. It uses two flags… Read more Python Argparse Requiring Option, Depending On The Defined Flags

Write Several List Of Lists In A Csv Columns In Python

I have a list of lists and need to write each of its elements in csv columns. Using the code below … Read more Write Several List Of Lists In A Csv Columns In Python

Rename A Files Within A Folder Of A Folder To Its Parent Folder?

I have a batch of folders that have a name based on the date. Each folder has a folder where they h… Read more Rename A Files Within A Folder Of A Folder To Its Parent Folder?

Is It Possible To Save A Trained Layer To Use Layer On Keras?

I haven't used Keras and I'm thinking whether to use it or not. I want to save a trained la… Read more Is It Possible To Save A Trained Layer To Use Layer On Keras?

Python Opp Obex Server Using Bluez-obex And Pydbus?

For my project, I need to downlink .zip files over Bluetooth. I am using python and obex for this. … Read more Python Opp Obex Server Using Bluez-obex And Pydbus?

How To Update Progress Bar As Well As Download File Using Multi-threading

I'm trying to download files using the Request module using Multi threading and simultaneously … Read more How To Update Progress Bar As Well As Download File Using Multi-threading

Plot Extremely Small Values In Matplotlib

I am trying to plot some extremely small values with matplotlib in jupiter notebook (on a macbook p… Read more Plot Extremely Small Values In Matplotlib

Embed Audio, Video In Python Gui

I am working on a project that requires me to display some live video feeds from networked cameras … Read more Embed Audio, Video In Python Gui

Convert Received Json To Dictionary, And Save To Local Disk

My flask server receives a json file. @app.route('/process', methods=['POST']) def … Read more Convert Received Json To Dictionary, And Save To Local Disk

Beautifulsoup Parse Table Data That Doesn't Load Immediately

I'm trying to download earnings announcement data from https://www.zacks.com/stock/research/MMM… Read more Beautifulsoup Parse Table Data That Doesn't Load Immediately

Plot Datetime.timedelta Using Matplotlib And Python

I am working on a task, where I need to calculate time spent on each day and then represent that ti… Read more Plot Datetime.timedelta Using Matplotlib And Python

What's The Best Way To Drive A Browser Headlessly On Heroku For My Purposes?

Reworded completely: My vision: Web interface that takes email, student ID, password and desired cl… Read more What's The Best Way To Drive A Browser Headlessly On Heroku For My Purposes?

Calculating And Adding Average And Standard Deviation Columns To A Data Frame

I have: df = pd.DataFrame({'A1': [0.1,0.5,3.0, 9.0], 'A2':[2.0,4.5,1.2,9.0]}) I wo… Read more Calculating And Adding Average And Standard Deviation Columns To A Data Frame

How To Send A Direct Message When Bot Is Ready

I'm trying to make a bot send me a dm when it's ready: @bot.event async def on_ready(): … Read more How To Send A Direct Message When Bot Is Ready

Want Genuine Suggestion To Build Support Vector Machine In Python Without Using Scikit-learn

As i know how to build a Support Vector Machine using Scikit-Learn but now i want to make it from … Read more Want Genuine Suggestion To Build Support Vector Machine In Python Without Using Scikit-learn

Wtforms: Test Whether Field Is Filled Out

I'm having trouble with what I thought would be a very simple task in WTForms: checking to see … Read more Wtforms: Test Whether Field Is Filled Out

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

Django Daterangefield Issue

I have a problem with DateRangeField inserting to database using Forms. model.py from django.contr… Read more Django Daterangefield Issue

How To Annotate Stacked Bar Chart With The Sum Of Each Bar (matplotlib)?

I have a grouped bar chart and each bar is stacked. I have annotated each section of the stack with… Read more How To Annotate Stacked Bar Chart With The Sum Of Each Bar (matplotlib)?

Query Dynamodb With Non Hash Key Field (with Boto / Python)

I'm using dynamoDB with boto, and having a bit of a problem in the design/query of my table. I&… Read more Query Dynamodb With Non Hash Key Field (with Boto / Python)

Python Socket Server Do Client Authentication By Using Token

There're basically two issues I'd like to resolve: Client side send query string when init… Read more Python Socket Server Do Client Authentication By Using Token

Python Pycryptodome Aes-gcm Encryption Code Performance Improvement

I am having around 19G of data which I am doing tar and then encrypt. I use below code to do the jo… Read more Python Pycryptodome Aes-gcm Encryption Code Performance Improvement

What Causes Python Error 'bad Escape \c'?

I just wrote a function that will look at a text file and count all of the instances of True and Fa… Read more What Causes Python Error 'bad Escape \c'?

How Can I Remove The Axes In An Axes3d Class?

I am using mplot3d like this: fig = plt.figure(figsize=(14,10)) ax = Axes3D(fig,azim=azimuth,elev=… Read more How Can I Remove The Axes In An Axes3d Class?

Fitting And Plotting Lognormal

I'm having trouble doing something as relatively simple as: Draw N samples from a gaussian wit… Read more Fitting And Plotting Lognormal

Python3 - Convert Csv To Json Using Pandas

I've got a .csv files with 5 columns but I only need the json file to contain 3 of these how wo… Read more Python3 - Convert Csv To Json Using Pandas

Sqlite3, Integrityerror: Unique Constraint Failed When Inserting A Value

In order to prevent my database from growing too large I want sqlite only to insert values that has… Read more Sqlite3, Integrityerror: Unique Constraint Failed When Inserting A Value

Detect Space Between Text (opencv, Python)

I have the following code (which is in fact just 1 part of 4 needed to run all the project I am wor… Read more Detect Space Between Text (opencv, Python)

Detect Keypress With Python (not Msvct)

I'm looking for a python module that will allow me to detect keyboard events.. Now I know this … Read more Detect Keypress With Python (not Msvct)

Average Of Two Strings In Alphabetical/lexicographical Order

Suppose you take the strings 'a' and 'z' and list all the strings that come between… Read more Average Of Two Strings In Alphabetical/lexicographical Order

How Can I Swap Axis In A Torch Tensor?

I have a torch tensor of size torch.Size([1, 128, 56, 128]) 1 is channel, 128 is the width, and hei… Read more How Can I Swap Axis In A Torch Tensor?

Combine Numpy Arrays By Reference

I want to combine two arrays into a new array in O(1). Then, I want to change the values in this n… Read more Combine Numpy Arrays By Reference

How To Obtain Jupyter Notebook's Path?

Is there a function to obtain a Notebook's path? I've Googled a little on the subject but … Read more How To Obtain Jupyter Notebook's Path?

How To Display The Path Of A Decision Tree For Test Samples?

I'm using DecisionTreeClassifier from scikit-learn to classify some multiclass data. I found ma… Read more How To Display The Path Of A Decision Tree For Test Samples?

How To Find Out Whether It Is Day Or Night Using Timestamp

I want to find out whether it is day or night from the 'timestamp' column in my data frame.… Read more How To Find Out Whether It Is Day Or Night Using Timestamp

Pyenv Not Picking Up Other Python Installations

I am using pyenv to manage python installations and virtual environments. I have several python ins… Read more Pyenv Not Picking Up Other Python Installations

Pass Variable To Subprocess

I am trying to construct a command which includes a a variable containing IP addresses to a subproc… Read more Pass Variable To Subprocess

Python Image Library Image Resolution When Resizing

I am trying to shrink some jpeg images from 24X36 inches to 11X16.5 inches using the python image l… Read more Python Image Library Image Resolution When Resizing

Contour Around Watermark Opencv

I want to draw a box around the watermark in my image. I have extracted the watermark and have foun… Read more Contour Around Watermark Opencv

Comparison Of Value Items In A Dictionary And Counting Matches

Im using Python 2.7. Im trying to compare the value items in a dictionary. I have two problems. Fir… Read more Comparison Of Value Items In A Dictionary And Counting Matches

Mypy And Attrs: Errors Typechecking Lists Of Subclasses

I have a message container that can contain different kinds of messages. For now, there are only te… Read more Mypy And Attrs: Errors Typechecking Lists Of Subclasses

Concatenate Two Dataframes Based On No Of Rows

I have two dataframes: a b c d e f 2 4 6 6 7 1 4 7 9 9 5 8 7 9 6 5 … Read more Concatenate Two Dataframes Based On No Of Rows