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Showing posts from October, 2023

Loading Selenium User Profile In Tor Chrome On Windows

This code works for Windows where it launches Chrome connected via Tor. Keep in mind you have to ha… Read more Loading Selenium User Profile In Tor Chrome On Windows

Remove Leading And Trailing Spaces But Not In Between The Words

I'm converting a database table into a CSV file with '|' as a delimiter. i have an outp… Read more Remove Leading And Trailing Spaces But Not In Between The Words

Gstreamer Python Bindings For Windows

I am looking into gstreamer as a means to choose a video device from a list to feed it to an opencv… Read more Gstreamer Python Bindings For Windows

Different Results And Performances With Different Libraries

I'm comparing the libraries dtaidistance, fastdtw and cdtw for DTW computations. This is my cod… Read more Different Results And Performances With Different Libraries

How To Split A Dataframe In Pandas In Predefined Percentages?

I have a pandas dataframe sorted by a number of columns. Now I'd like to split the dataframe in… Read more How To Split A Dataframe In Pandas In Predefined Percentages?

Implicit Schema For Pandas_udf In Pyspark?

This answer nicely explains how to use pyspark's groupby and pandas_udf to do custom aggregatio… Read more Implicit Schema For Pandas_udf In Pyspark?

Product Of Two Functions

I have two functions, f and g. Both have the same signature: (x). I want to create a new function, … Read more Product Of Two Functions

Python Class Inheritance: Attributeerror: '[subclass]' Object Has No Attribute 'xxx'

I have the following base class and subclass: class Event(object): def __init__(self, sr1=None,… Read more Python Class Inheritance: Attributeerror: '[subclass]' Object Has No Attribute 'xxx'

Is It Possible To Set Different Edgecolors For Left And Right Edge Of Matplotlib Bar Plot?

I would like to set different edgecolors for the different edges of a bar plot, plotted with matplo… Read more Is It Possible To Set Different Edgecolors For Left And Right Edge Of Matplotlib Bar Plot?

Select Between Two Dates With Django

I am looking to make a query that selects between dates with Django. I know how to do this with raw… Read more Select Between Two Dates With Django

Is There A Way To Toggle Cell Output In Jupyter Lab?

In Jupyter Notebook you can toggle the cell output by going into command mode and pressing 'O&#… Read more Is There A Way To Toggle Cell Output In Jupyter Lab?

Dropping Nan Rows, Certain Columns In Specific Excel Files Using Glob/merge

I would like to drop NaN rows in the final file in a for loop loading in excel files, and dropping … Read more Dropping Nan Rows, Certain Columns In Specific Excel Files Using Glob/merge

How To Convert From Float 32 To 8 Bit Without Losing Information?

I tried to find contours in my image with cv2.findContours. So as it uses CV_8UC1 images I tried to… Read more How To Convert From Float 32 To 8 Bit Without Losing Information?

Render Django Formset Manually

When i render my formset using a loop, everything works. When i try to render it manually by access… Read more Render Django Formset Manually

Finding Precision And Recall For Mnist Dataset Using Tensorflow

I'm using this tutorial to learn how to train a model on the MNIST dataset here: https://www.te… Read more Finding Precision And Recall For Mnist Dataset Using Tensorflow

Mismatch In Expected Keras Shapes After Pooling

I'm building a few simple models in Keras to improve my knowledge of deep learning, and encount… Read more Mismatch In Expected Keras Shapes After Pooling

Subsampling An Unbalanced Dataset In Tensorflow

Tensorflow beginner here. This is my first project and I am working with pre-defined estimators. I … Read more Subsampling An Unbalanced Dataset In Tensorflow

Working Of Labelencoder In Sklearn

Say I have the following input feature: hotel_id = [1, 2, 3, 2, 3] This is a categorical feature w… Read more Working Of Labelencoder In Sklearn

Pass Current User To Initial For Createview In Django

In my project I have User model from standard auth Django model and the Todo model. User can have m… Read more Pass Current User To Initial For Createview In Django

Appengine, Urlfetch, And The Content-length Header

I have a Google Appengine app requesting pages from another server using urllib2 POSTs. I recently… Read more Appengine, Urlfetch, And The Content-length Header

Python - How To Cut A String In Python?

Suppose that I have the following string: http://www.domain.com/?s=some&two=20 How can I take … Read more Python - How To Cut A String In Python?

Can You Set An Attribute To A Method In Python

I'm wondering if it is possible to use setattr to set an attribute to a method within a class l… Read more Can You Set An Attribute To A Method In Python

Is It Possible To Have A User Enter Integers And Add Them Using A While Loop In Python?

This is for one of my assignments. Here is the question just for clarity on what I am trying to do.… Read more Is It Possible To Have A User Enter Integers And Add Them Using A While Loop In Python?

Abort Execution Of A Module In Python

I'd like to stop evaluation of a module that is being imported, without stopping the whole prog… Read more Abort Execution Of A Module In Python

Python Multiple File Writing Question

I need python to write multiple file names, each file name is different than the last. I have it wr… Read more Python Multiple File Writing Question

How To *correctly* Read Data From Csv's Into Tensorflow

I came across this so posting showing us how to setup the code to read in csv files using a queue. … Read more How To *correctly* Read Data From Csv's Into Tensorflow

Python Add Dictionary To Existing Dictionary - Attributeerror: 'dict' Object Has No Attribute 'append'

I'm trying to append an existing JSON file. When I overwrite the entire JSON file then everythi… Read more Python Add Dictionary To Existing Dictionary - Attributeerror: 'dict' Object Has No Attribute 'append'

Valueerror: Invalid Literal For Int() With Base 10: '' Python

ValueError: invalid literal for int() with base 10: '' Why it showing the error of int(), i… Read more Valueerror: Invalid Literal For Int() With Base 10: '' Python

Getting A Dictionary Of Class Variables And Values

I am working on a method to return all the class variables as keys and values as values of a dictio… Read more Getting A Dictionary Of Class Variables And Values

Replace A Character In A Python Dataframe Column

The simple dataframe replace shown below is not working. The NewPhone column contains the same valu… Read more Replace A Character In A Python Dataframe Column

How Can I Include A Folder With Cx_freeze?

I am using cx_freeze to deploy my application. I would like to include a entire directory since inc… Read more How Can I Include A Folder With Cx_freeze?

Selecting A Value From A Drop-down Option Using Selenium Python

I want to select a value from a drop-down option. The html is as follows: < Solution 1: Adrian … Read more Selecting A Value From A Drop-down Option Using Selenium Python

What Is The Difference Between Utf-8 And Utf-8-sig?

I am trying to encode Bangla words in python using pandas dataframe. But as encoding type, utf-8 is… Read more What Is The Difference Between Utf-8 And Utf-8-sig?

Multichannel Sound Syncronization Issues In Python (sounddevice)

I am currently working on a script that should be able to output 8 channels of audio (.wav files) t… Read more Multichannel Sound Syncronization Issues In Python (sounddevice)

Pytorch Equivalent To Tf.nn.softmax_cross_entropy_with_logits And Tf.nn.sigmoid_cross_entropy_with_logits

I found the post here. Here, we try to find an equivalence of tf.nn.softmax_cross_entropy_with_logi… Read more Pytorch Equivalent To Tf.nn.softmax_cross_entropy_with_logits And Tf.nn.sigmoid_cross_entropy_with_logits

Where Can I Find Apxs On Amazon Linux?

I'm trying to get started with an AWS website, and used the free tier Amazon Linux installation… Read more Where Can I Find Apxs On Amazon Linux?

Does Python Os.walk(...,followlinks=true) Work In Windows (vista)?

I have a simple directory containing just 2 links to other directories. os.walk does not walk into … Read more Does Python Os.walk(...,followlinks=true) Work In Windows (vista)?

Is There A "stack And Map" Analogue With Dicts?

I recently had to map dict keys to values in an assessment question. I started with the following: … Read more Is There A "stack And Map" Analogue With Dicts?

Pyspark Dynamic Column Computation

Below is my spark data frame a b c 1 3 4 2 0 0 4 1 0 2 2 0 My output should be as below a b c 1 3 … Read more Pyspark Dynamic Column Computation

How Do I Reload Fancybox Iframe Form With Errors In Flask

In Flask have an iframe display a login form with fancybox and it works fine, but if there is an er… Read more How Do I Reload Fancybox Iframe Form With Errors In Flask

Beautifulsoup Parsing - Dealing With Superscript?

This is the HTML segment I am trying to extract information from: Market Cap (intraday) 5 & Sol… Read more Beautifulsoup Parsing - Dealing With Superscript?

Only Last Label Input Value Being Returned In Django

I am pretty new in Django and I guess there is something I am overlooking. I have a form that I am … Read more Only Last Label Input Value Being Returned In Django

Pyo Server.boot() Fails With Pyolib._core.pyoserverstateexception On Ubuntu 14.04

I installed pyo on Ubuntu 14.04 without jack and running Python 2.7.I followed the Debian-based ins… Read more Pyo Server.boot() Fails With Pyolib._core.pyoserverstateexception On Ubuntu 14.04

Why Python String Cut Returns 11 Symbols When 12 Is Requested?

I use python 2.7 on OSX 10.9 and would like to cut unicode string (05. Чайка.mp3) by 12 symbols, so… Read more Why Python String Cut Returns 11 Symbols When 12 Is Requested?

Set A Default Value For A Ttk Combobox

I'm using Python 3.2.1 in Arch Linux x86_64. This one is really driving me crazy: I just want … Read more Set A Default Value For A Ttk Combobox

Formatting Rows That Satisfy Conditions Pandas Python

I am trying to format the data in input.csv so that it returns the indexes that satisfies the condi… Read more Formatting Rows That Satisfy Conditions Pandas Python

How To Quickly Switch Between The Different Python Executables On My Mac?

Can anyone tell me how I can quickly switch between the below Python executables on my Mac? I want … Read more How To Quickly Switch Between The Different Python Executables On My Mac?

Python Inheritance: Choose Parent Class Using Argument

I'm having trouble designing some classes. I want my user to be able to use the Character() cla… Read more Python Inheritance: Choose Parent Class Using Argument

Efficient Pairwise Correlation For Two Matrices Of Features

In Python I need to find the pairwise correlation between all features in a matrix A and all featur… Read more Efficient Pairwise Correlation For Two Matrices Of Features

Why Is The Dtype Shown (even If It's The Native One) When Using Floor Division With Numpy?

Normally the dtype is hidden when it's equivalent to the native type: >>> import numpy… Read more Why Is The Dtype Shown (even If It's The Native One) When Using Floor Division With Numpy?

Sending Checkbox Array From Js To Django Views

I'm confused about how to do it via Ajax or Json, but how can I send the selection array (curCh… Read more Sending Checkbox Array From Js To Django Views

Resetting Index Based On List

I want to reset the index based on a list Lets say i have dataframe like this list = ['RGB'… Read more Resetting Index Based On List

Boto3: Get Credentials Dynamically?

I am struggling to find out how I can get my aws_access_key_id and aws_secret_access_key dynamicall… Read more Boto3: Get Credentials Dynamically?

Time Comparison For Tensorflow Operation And Numpy Multiplication

I've been trying to optimize my computations; and for most operations that I've tried, tens… Read more Time Comparison For Tensorflow Operation And Numpy Multiplication

Tensorflow Logits And Labels Must Be Same Size

I'm quite new to tensorflow and python, and currently trying to modify the MNIST for expert tut… Read more Tensorflow Logits And Labels Must Be Same Size

Resampling Dataframe In Pandas As A Checking Operation

I have a DataFrame like this: A B value 2014-11-14 12:00:00 … Read more Resampling Dataframe In Pandas As A Checking Operation

How To Open An Application In Mac Os Using Python

I want to open an application like TextEdit or Firefox in Mac OS using Python and wait till the app… Read more How To Open An Application In Mac Os Using Python

Pandas: Efficient Way To Select Rows From A Dataframe Using Multiple Criteria

I am selecting/filtering a DataFrame using multiple criteria (comparsion with variables), like so: … Read more Pandas: Efficient Way To Select Rows From A Dataframe Using Multiple Criteria

Mysqldb Query To Numpy Array

So I've tried to follow What's the most efficient way to convert a MySQL result set to a Nu… Read more Mysqldb Query To Numpy Array

Server And Client In Python And C

I've wrote a simple client code in python, and I'm trying to connect to a simple echo serve… Read more Server And Client In Python And C

Python Ctypes Keybd_event Simulate Ctrl+alt+delete

I'm trying to simulate ctrl+alt+del with keybd_event but it doesn't do anything, stuff like… Read more Python Ctypes Keybd_event Simulate Ctrl+alt+delete

End Of Script Output Before Headers Error With Python Script

I've read multiple SO posts regarding this, but can't seem to get this to work. This is my … Read more End Of Script Output Before Headers Error With Python Script

Unexpected Keyword Argument 'raise_on_status'

I installed quandl using pip. I imported it and tried it: import quandl mydata = quandl.get('F… Read more Unexpected Keyword Argument 'raise_on_status'

Creating Columns In A Pandas Dataframe Based On A Column Value In Other Dataframe

I have two pandas dataframe import pandas as pd import numpy as np import datetime data = {'g… Read more Creating Columns In A Pandas Dataframe Based On A Column Value In Other Dataframe