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Showing posts from January, 2024

Send And Receive Back Image By Post Method In Python Flask

I want to send an image by POST method to server (e.g by Postman), and then send back the same imag… Read more Send And Receive Back Image By Post Method In Python Flask

Redirect Command Prompt Output To A Python Generated Window

Developed a script which builds a project using msbuild. I have GUI developed using wxpython which … Read more Redirect Command Prompt Output To A Python Generated Window

How To Avoid Code Repetition And Redundancy

I am trying to simplify some code which does the following: create one empty list where to store t… Read more How To Avoid Code Repetition And Redundancy

All Pandas Data Types

I am trying to write a function that will subset a pandas dataframe based on the data type; essenti… Read more All Pandas Data Types

Plotting Values From Two Datasets For Comparison

I would like to plot two dataframes in order to compare the results. My first choice would be to pl… Read more Plotting Values From Two Datasets For Comparison

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?

Tkinter Gui Freeze When Running Method (how To Add Threading?)

Sorry for bothering you, but I would like to ask for help. My tkinter application freezes when I… Read more Tkinter Gui Freeze When Running Method (how To Add Threading?)

How Can I Change One Line In Text File With Python

I have a txt file that I need to read and find a line, and change its value inside the same file. … Read more How Can I Change One Line In Text File With Python

Does Loc In Pandas Use Vectorised Logic Or A For Loop?

I access rows in pandas with the loc function as below: pdf.loc[pdf.a>2] Is this vectorised? Is… Read more Does Loc In Pandas Use Vectorised Logic Or A For Loop?

Pin Algorithm - Converting From Python To Delphi

I am writing an application in Delphi that cracks the PIN for an Android device. There is a working… Read more Pin Algorithm - Converting From Python To Delphi

Float Comparison (1.0 == 1.0) Always False

I'm using the following function in Python 2.7.3 and Kivy 1.8.0 to fade-in a Grid widget: def _… Read more Float Comparison (1.0 == 1.0) Always False

Tkinter Not Recognizing Screen Resolution Correctly

I'm using a 4k display (3840x2160). from tkinter import * root = Tk() width = root.winfo_scre… Read more Tkinter Not Recognizing Screen Resolution Correctly

My Code Returns An Empty Value For The Entry Box

Please check the following code;when pressing the add button,the value of text entered in the box, … Read more My Code Returns An Empty Value For The Entry Box

Pypdf2: Why Does Pdffilewriter Forget Changes I Made To A Document?

I am trying to modify text in a PDF file. The text can be in an object of type Tj or BDC. I find th… Read more Pypdf2: Why Does Pdffilewriter Forget Changes I Made To A Document?

Return Rdd Of Largest N Values From Another Rdd In Spark

I'm trying to filter an RDD of tuples to return the largest N tuples based on key values. I nee… Read more Return Rdd Of Largest N Values From Another Rdd In Spark

Creating Bar Charts In Python

I have a couple of problems with the Bar Chart that I'm trying to create in python. My code fo… Read more Creating Bar Charts In Python

Class Decorators, Inheritance, Super(), And Maximum Recursion

I'm trying to figure out how to use decorators on subclasses that use super(). Since my class d… Read more Class Decorators, Inheritance, Super(), And Maximum Recursion

Python - Example Of Urllib2 Asynchronous / Threaded Request Using Https

I'm having a heck of a time getting asynchronous / threaded HTTPS requests to work using Python… Read more Python - Example Of Urllib2 Asynchronous / Threaded Request Using Https

Copying To A Specific Sheet: Openpyxl - Destination Sheet Ignored When Using Copy_worksheet

Per this answer and these documents I tried to specify a source and target sheet to write to, but w… Read more Copying To A Specific Sheet: Openpyxl - Destination Sheet Ignored When Using Copy_worksheet

Dataframe From List Of List

I have list of list u=[[1, 1], [2, 1, 1, 1], [2, 2, 1, 1, 1, 1, 2, 2], [2, 2, 2, 2, 2, 3, 2, 2, 1,… Read more Dataframe From List Of List

How To Use One-hot Encode While Using Naivebayes Algorithm?

I'm trying to use Naive Bayes algorithm for one of my requirements. In this, I have planned to … Read more How To Use One-hot Encode While Using Naivebayes Algorithm?

Check If Values In One Column Is In Interval Values Of Another Column In Python

I have the following dataframe: import pandas as pd import numpy as np data = { 'index'… Read more Check If Values In One Column Is In Interval Values Of Another Column In Python

Pandas: Incorrect Shape Of Indices Passed, Not Sure How To Fix It

I am trying to generate a 7th column in a dataframe: arb_ser_num = 'zDfDD45' predefi… Read more Pandas: Incorrect Shape Of Indices Passed, Not Sure How To Fix It

How To Find All Combinations Of Two Numbers In A List?

Let's say I have a list of four values. I want to find all combinations of two of the values. F… Read more How To Find All Combinations Of Two Numbers In A List?

Changing Attributes Of Nodes

I have the following network: G = nx.Graph() G.add_node(0, weight=8) G.add_node(1, weight=5) G.add_… Read more Changing Attributes Of Nodes

Tensorflow: No Gradients Provided For Any Variable

I am new to tensorflow and I am building a network but failing to compute/apply the gradients for i… Read more Tensorflow: No Gradients Provided For Any Variable

Why Can't I Import The Agglomerativeclustering Class?

I would like to use AgglomerativeClustering from sklearn but I am not able to import it. >>&… Read more Why Can't I Import The Agglomerativeclustering Class?

Django + Postgres: A String Literal Cannot Contain Nul (0x00) Characters

I'm syncing a large amount of data and I'm getting this error back: A string literal cannot… Read more Django + Postgres: A String Literal Cannot Contain Nul (0x00) Characters

Merge Dataframes That Have Indices That One Contains Another (but Not The Same)

For example df1 has shape (533, 2176), indices such as Elkford (5901003) DM 01010, df2 has shape (7… Read more Merge Dataframes That Have Indices That One Contains Another (but Not The Same)

_tkinter Tclerror: Can't Find Package Tix

A friend sent me some Tkinter/Tix code, but it was for Python 2: from Tkinter import * import Tix … Read more _tkinter Tclerror: Can't Find Package Tix

Tesseractnotfounderror: Two Docker Container Python App (docker-compose)

I have my python project with tesseract running locally, and it works in Pycharm. I used docker-com… Read more Tesseractnotfounderror: Two Docker Container Python App (docker-compose)

How To Grab A Geo Tiff Image With Python

Today I'm in trouble because for the first time I have to work with TIFF files, and I have an e… Read more How To Grab A Geo Tiff Image With Python

Problem With Plotting Graphs In 1 Row Using Plot Method From Pandas

Suppose I want to plot 3 graphs in 1 row: dependencies cnt from other 3 features. Code: fig, axes … Read more Problem With Plotting Graphs In 1 Row Using Plot Method From Pandas

Finding Several Regions Of Interest In An Array

Say I have conducted an experiment where I've left a python program running for some long time … Read more Finding Several Regions Of Interest In An Array

Os.path.getsize Returns Incorrect Value?

def size_of_dir(dirname): print('Size of directory: ') print(os.path.getsize(dirnam… Read more Os.path.getsize Returns Incorrect Value?

How To Display Name In Legent But Not On Hover?

I used the trace name, which shows the names as the legend item and on hover. What should I use to … Read more How To Display Name In Legent But Not On Hover?

Python: To Check For Prime And Increment

i have exactly 5 days of practise, an hour daily so kindly forgive if my questions are very low lev… Read more Python: To Check For Prime And Increment

Jupyter Misdisplying Python Lists With Arabic And Alphanumeric Elements

I am running into a display problem in Jupyter (both Classic and JupyterLab) for lists that include… Read more Jupyter Misdisplying Python Lists With Arabic And Alphanumeric Elements

Python Assign Literal Value Of A Dictionary To Key Of Another Dictionary

I am trying to form a web payload for a particular request body but unable to get it right. What I … Read more Python Assign Literal Value Of A Dictionary To Key Of Another Dictionary

Manipulating Pandas Columns

I have some data (up to Event) and expected output (Key, Time) as follows: +----------+------------… Read more Manipulating Pandas Columns

Python: Win32com And Cx_freeze - Error

I'm trying to compile a Python 3.3 script using cx_Freeze. The script uses win32com.client to c… Read more Python: Win32com And Cx_freeze - Error

Python: Sending Key Press Events Over Ssh

I am trying to find out how to simulate key press events on remote server (wich has no X.org aboard… Read more Python: Sending Key Press Events Over Ssh

In Python's Tkinter, How Can I Make A Label Such That You Can Select The Text With The Mouse?

In python's tkinter interface, is there a configuration option that will change a Label such th… Read more In Python's Tkinter, How Can I Make A Label Such That You Can Select The Text With The Mouse?

How To Specify The Prior Probability For Scikit-learn's Naive Bayes

I'm using the scikit-learn machine learning library (Python) for a machine learning project. On… Read more How To Specify The Prior Probability For Scikit-learn's Naive Bayes

Creating Collision In Pygame

i'm having a problem with my code. So, I want to create a game, in Pygame, where the bananas fa… Read more Creating Collision In Pygame

Pandas Valueerror: Numpy.dtype Has The Wrong Size, Try Recompiling

I took a new clean install of OSX 10.9.3 and installed pip, and then did pip install pandas pip in… Read more Pandas Valueerror: Numpy.dtype Has The Wrong Size, Try Recompiling

Changing The Color Of A Qprogressbar()

I was wondering whether it's possible to change the color of a PyQt Progressbar? I have the fol… Read more Changing The Color Of A Qprogressbar()

Win32gui Movewindow() Not Aligned With Left Edge Of Screen

I am using win32gui to move a Notepad window to the origin of the screen (0, 0) with width and heig… Read more Win32gui Movewindow() Not Aligned With Left Edge Of Screen

Django.db.utils.operationalerror: Near "񐁂򐁇n": Syntax Error

I'm getting some weird error when i run ./manage.py runserver or migrate command. I checked the… Read more Django.db.utils.operationalerror: Near "񐁂򐁇n": Syntax Error

Numpy.reciprocal Returns Different Values When Called Repeatedly

I have a numpy array ssh_sum: >>> ssh_sum array([[ 0., 2., 1., 0., 0., 0.], [ … Read more Numpy.reciprocal Returns Different Values When Called Repeatedly

What Is A Good Xml Stream Parser For Python?

Are there any XML parsers for Python that can parse file streams? My XML files are too big to fit i… Read more What Is A Good Xml Stream Parser For Python?

Vectorize Is Indeterminate

I'm trying to vectorize a simple function in numpy and getting inconsistent behavior. I expect… Read more Vectorize Is Indeterminate

Python: All Type Hints Errors In Subclass Constructure Seems Ignored

I have the following code with python type hints It has a bunch of errors. All erros in code are fo… Read more Python: All Type Hints Errors In Subclass Constructure Seems Ignored

How To Collect All Of The Ancor Href Using Scrapy?

enter image description here i try to find this in scrapy shell >>>scrapy shell https://ww… Read more How To Collect All Of The Ancor Href Using Scrapy?

Why Are Tuples Constructed From Differently Initialized Sets Equal?

I expected the following two tuples >>> x = tuple(set([1, 'a', 'b', 'c… Read more Why Are Tuples Constructed From Differently Initialized Sets Equal?

Retrieve Randomly Preformatted Text From Text File

I am writing a python script to get a string formatted as StartTime='mm/dd/yyyy hh:mm:ss:ccc… Read more Retrieve Randomly Preformatted Text From Text File

Dynamic For Loops In Python

i understand that to create dynamic for loops, recursive or itertools module in python is the way t… Read more Dynamic For Loops In Python

Align Data In One Column With Another Row, Based On The Last Time Some Condition Was True

I’m trying to parse millions of lines of log files that suffer from an unfortunate deficiency. Data… Read more Align Data In One Column With Another Row, Based On The Last Time Some Condition Was True