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Showing posts from December, 2023

Python, Pandas To Add Columns From Calculation

A data frame like this and I am adding some columns from mapping and calculation. code month of … Read more Python, Pandas To Add Columns From Calculation

How To Force Zlib To Decompress More Than X Bytes?

I have a file that consists of compressed content plus a 32 byte header. The header contains info s… Read more How To Force Zlib To Decompress More Than X Bytes?

How To Configure Color When Convert Cv2 Numpy Array To Qimage?

The program is based on pyqt and opencv. I plan to read and process image with opencv while using Q… Read more How To Configure Color When Convert Cv2 Numpy Array To Qimage?

Install Xgboost Under Python With 64-bit Msys Failing

I want to install xgboost using anaconda python. In this process, I am trying to install xgboost. W… Read more Install Xgboost Under Python With 64-bit Msys Failing

How To Scrape Data Bypassing Radio Button Using Request In Python 3?

I want to scrape data from this website. After visiting, we need to select radio button criteria as… Read more How To Scrape Data Bypassing Radio Button Using Request In Python 3?

Is It Possible To Inherit Required Options In Argparse Subparsers?

I am trying to write a command line application that has several modes in which it can run (similar… Read more Is It Possible To Inherit Required Options In Argparse Subparsers?

Python List Permutations

Possible Duplicate: How to generate all permutations of a list in Python I am given a list [1,2,3… Read more Python List Permutations

Pandas Groupby And Sort Max Values

I am trying to groupby two Columns in a pandas df and return the max value. I'm then hoping to … Read more Pandas Groupby And Sort Max Values

Cannot Parse The Date In Python

I need to parse date and time. Here is what I've got: import time a = time.strptime('Apr 28… Read more Cannot Parse The Date In Python

Extending Types By Subclassing In Python

This is extracted from Learning Python 4th edition. Its function is to subclass set using list. But… Read more Extending Types By Subclassing In Python

Ui_mainwindow' Object Has No Attribute 'connect'

I am new to PyQt. I want the GUI to be GUI1 from time 0 to time t1, GUI2 from time t1 to t2, ..., G… Read more Ui_mainwindow' Object Has No Attribute 'connect'

Can Microsoft Visual C++ 2008 Redistributable Package Be Freely Redistributed

I am planning to use py2exe to make an application developped with Python 2.6. It seems that my app… Read more Can Microsoft Visual C++ 2008 Redistributable Package Be Freely Redistributed

Random Picks From Permutation Generator?

How to randomly pick all the results, one by one (no repeats) from itertools.permutations(k)? Or th… Read more Random Picks From Permutation Generator?

Python Sequence Naming Convention

Since there is no explicit typing in python, I want to be able to make the difference between seque… Read more Python Sequence Naming Convention

Don't Understand How This Example One-hot Code Indexes A Numpy Array With [i,j] When J Is A Tuple?

I don't get how the line: results[i, sequence] = 1 works in the following. I am following along… Read more Don't Understand How This Example One-hot Code Indexes A Numpy Array With [i,j] When J Is A Tuple?

Scipy.integrate.ode Gives Up On Integration

I am encountering a strange problem with scipy.integrate.ode. Here is a minimal working example: im… Read more Scipy.integrate.ode Gives Up On Integration

Construct Pandas Dataframe From Nested Dictionaries Having List As Item

I have several dictionary data and I want to convert to Pandas DataFrame. However, due to unnecessa… Read more Construct Pandas Dataframe From Nested Dictionaries Having List As Item

Reading A Training Progress Log File, But Binaries Are Written In It

I was running a program, and it will output the progress bar to a file train.2.log. Here's a li… Read more Reading A Training Progress Log File, But Binaries Are Written In It

How To Preserve Excel Text Formatting When Reading/writing Excel Files With Pandas?

I have a script that basically reads in a template Excel file to a Pandas dataframe, adds extra col… Read more How To Preserve Excel Text Formatting When Reading/writing Excel Files With Pandas?

Instantiating Two Classes With References To Each Other

I have two classes, B and C. I want to instantiate B with C reference and C with B reference. I cou… Read more Instantiating Two Classes With References To Each Other

Flask And Sys.excepthook

I want to add global exception handling object to my Flask webproject. In main module, where applic… Read more Flask And Sys.excepthook

Import Module Using Relative Paths

Let me start off by saying I know this issue has already been discussed, but I could not find a sol… Read more Import Module Using Relative Paths

Python Hierarchy From Manager And Employee Id

I have a csv with two columns: employee id 'eid' and manager's employee id 'mid'… Read more Python Hierarchy From Manager And Employee Id

'nonetype' Object Has No Attribute 'user' Django

When i submit form i get an AttributeError: 'NoneType' object has no attribute 'user… Read more 'nonetype' Object Has No Attribute 'user' Django

How To Fix Interfaceerror: 2003: Can't Connect To Mysql Server On '127.0.0.1:3306:3306' (11001 Getaddrinfo Failed)

my MySQL connection is successful but ran into this interface errror import mysql.connector db=mys… Read more How To Fix Interfaceerror: 2003: Can't Connect To Mysql Server On '127.0.0.1:3306:3306' (11001 Getaddrinfo Failed)

Most Efficient Way To "nibble" The First Line Of Text From A Text Document Then Resave It In Python

I have a text document that I would like to repeatedly remove the first line of text from every 30 … Read more Most Efficient Way To "nibble" The First Line Of Text From A Text Document Then Resave It In Python

How To Merge Flask Login With A Dash Application?

I have to design a web-app that provides Flask services and Dash services. For example I would like… Read more How To Merge Flask Login With A Dash Application?

Variables And Class Properties Don't Show Using Automodule In Python Sphinx

I am wondering why I am not able to see class properties when using automodule directive in Sphinx.… Read more Variables And Class Properties Don't Show Using Automodule In Python Sphinx

How To Multiply.outer() In Numpy While Assuming 0 * Infinity = 0?

I'm trying to use numpy.multiply.outer on multidimensional arrays, and I really need it to assu… Read more How To Multiply.outer() In Numpy While Assuming 0 * Infinity = 0?

Function Default Value Not Defined

I'm trying to use def my_function(a,b) If I try to print function like this print(my_function… Read more Function Default Value Not Defined

Display Cluster Labels For A Scipy Dendrogram

I'm using hierarchical clustering to cluster word vectors, and I want the user to be able to di… Read more Display Cluster Labels For A Scipy Dendrogram

How To Compare Two Lists By Filtering And Sorting "repeated" Values

I have the following act2.txt file for an email campaign: 2021-04-02//email@example.com//Enhance yo… Read more How To Compare Two Lists By Filtering And Sorting "repeated" Values

Can I Redirect The Output Of This Program To Script?

I'm running a binary that manages a usb device. The binary file, when executed outputs results … Read more Can I Redirect The Output Of This Program To Script?

Convert Json With Nested Objects To Pandas Dataframe

I am trying to load json from a url and convert to a Pandas dataframe, so that the dataframe would … Read more Convert Json With Nested Objects To Pandas Dataframe

Pandas Dataframe - Find The Row With Minimum Value Based On Two Columns But Greater Than 0

I have a dataframe with 3 columns: x, y, time. There are a few thousand rows. What I want to do is … Read more Pandas Dataframe - Find The Row With Minimum Value Based On Two Columns But Greater Than 0

Calling Command Line Arguments In Python 3

I am writing a program in Python 3 that will take data from a csv file, make adjustments to it and … Read more Calling Command Line Arguments In Python 3

Matplotlib.pyplot Plot X-axis Ticks In Equal Range

I need to plot a sequence of y values against a sequence of x values. The x values varies in a very… Read more Matplotlib.pyplot Plot X-axis Ticks In Equal Range

Initializer Is Not A Constant, Error C2099, On Compiling A Module Written In C For Python

i tried to compile a python module called distance, whith c 'python setup.py install --with-c&#… Read more Initializer Is Not A Constant, Error C2099, On Compiling A Module Written In C For Python

How To Merge On Approximate Strings?

I would like to merge 2 Data Frames on approximate country name with merge as of but i am getting t… Read more How To Merge On Approximate Strings?

Python: Checking Whether Or Not A Variable Is A Int (using While Loop)

just need a little help. Starting out doing python, trying to create a high score program and I wan… Read more Python: Checking Whether Or Not A Variable Is A Int (using While Loop)

Tridiagonal Block Matrix Using Scipy.sparse

I need help in building a block tridiagonal matrix using scipy sparse. What I mean by that is for a… Read more Tridiagonal Block Matrix Using Scipy.sparse

Using Itertools To Group Consecutive Tuples By Second Value

I have a set of data in the form: X1 = [(1,1),(3,1),(5,0),(3,0),(2,1)] I can't figure out how … Read more Using Itertools To Group Consecutive Tuples By Second Value

How To Remove All String Elements From A Numpy Object Array

origin array is like: array([nan, nan, 'hello', ..., nan, 'N', 61.0], dtype=object)… Read more How To Remove All String Elements From A Numpy Object Array

How To Group Tuples By Common Items And Find Average Per Each Group

I have a list of tuples named data: data = [('A', 2), ('B', 2), ('B… Read more How To Group Tuples By Common Items And Find Average Per Each Group

Pygame Sprite Not Moving While Jumping

I'm confused why my sprite is not moving while jumping. I've checked several times and chan… Read more Pygame Sprite Not Moving While Jumping

Border On Errorbars In Matplotlib/python

I am looking for a way to set a black border on the errorbars in my plot, The following code: ax.er… Read more Border On Errorbars In Matplotlib/python

Getting Boto.exception.s3responseerror: S3responseerror: 403 Forbidden When Uploading File

There are a few other questions on this issue: boto.exception.S3ResponseError: S3ResponseError: 403… Read more Getting Boto.exception.s3responseerror: S3responseerror: 403 Forbidden When Uploading File

Pycharm - Run A Corresponding Unit Test Each Time A File Is Saved

I have just switched over to using PyCharm as my primary Python editor, and am curious to know how … Read more Pycharm - Run A Corresponding Unit Test Each Time A File Is Saved

How To Combine Boto With Fabric

I need to mention. I use Windows. Now I know how to use boto. But I faced the problem that I can… Read more How To Combine Boto With Fabric

I Have A Twisted Reactor Running, How Do I Connect To It?

I've been following the tutorials and now have a twisted reactor running. I've used telnet … Read more I Have A Twisted Reactor Running, How Do I Connect To It?

Django Static Files Won't Load

i'm a Django newbie working on my first project and having a problem with static files. I have … Read more Django Static Files Won't Load

To Count The Occurrence Of One String In Other String In Python

If this is the first string : ABCD if this is the second string: ABCD is ABCD I want to count the o… Read more To Count The Occurrence Of One String In Other String In Python

What Does Epochs Mean In Doc2vec And Train When I Have To Manually Run The Iteration?

I am trying to understand the epochs parameter in the Doc2Vec function and epochs parameter in the … Read more What Does Epochs Mean In Doc2vec And Train When I Have To Manually Run The Iteration?

Rank And Unrank Permutations With Just One Cycle

I want to rank and unrank permutations with one cycle in lexicographical order with a given len. A … Read more Rank And Unrank Permutations With Just One Cycle

Proxy Object In Python

I'm looking for way to pass method calls through from an object (wrapper) to a member variable … Read more Proxy Object In Python

Unpack Nested List For Arguments To Map()

I'm sure there's a way of doing this, but I haven't been able to find it. Say I have: f… Read more Unpack Nested List For Arguments To Map()

What Better Way To Get Around The "static Variables" In Python?

It seems that in Python, to declare a variable in a class, it is static (keeps its value in the nex… Read more What Better Way To Get Around The "static Variables" In Python?

Upstart Python Script

I need to run code located /home/pi/Hello_on_startup.py each time RaspberryPi restarts For that I c… Read more Upstart Python Script

How Do I Pull The User Profile Of The Logged In User? Django

I'm using Django's built in User model and this UserProfile model. # this is model for user… Read more How Do I Pull The User Profile Of The Logged In User? Django