Python Courses, Training, and Tutorials

I have two vectors, let's say x=[2,4,6,7] and y=[2,6,7,8] and I want to find the euclidean dist… Read more Find The Distance Of Each Pair Between Two Vectors

I'm trying to install geopy to use in Jupyter, but I keep getting the following error when I tr… Read more Unable To Import Geopy Into Jupyter Even After Pip Installation

Hi I would like create some code which will print a box that looks like this + -- + -- + -- + -- +… Read more Iteration In Python

This is similar to this so please read it first to understand what I am trying to do. Now, I want t… Read more Replace Elements In Array With Class Instances

I have some random HTML and I used BeautifulSoup to parse it, but in most of the cases (>70%) it… Read more What’s The Most Forgiving Html Parser In Python?

I am trying to overlay a quiver plot of wind field on a map with a pcolormesh of the windspeed. fr… Read more Python Quiver And Pcolormesh Not Lining Up Exactly Right

I have a plot like the following (using plt.boxplot()): Now, what I want is plotting a number how … Read more Matplotlib Boxplot: Showing Number Of Occurrences Of Integer Outliers

I have the following repl.it program, and cannot get one part of the program to work (the logic is … Read more Python And Csv Reader: Failing To Print All The Rows In A Text File That Do Not Have A Field That Contains A Certain String

In: def answer_three(): Top15 = answer_one() #https://stackoverflow.com/questions/5182… Read more Using Pandas, Why Is The Column/series Header Not Showing At The Top Of An Output

Consider the following script: import argparse parser1 = argparse.ArgumentParser() parser1.add_argu… Read more Is There A Way To Clear Python Argparse?

i want to transform a sparse matrix (156060x11780) to dataframe but i get a memory error this is my… Read more Pandas Dataframe Memory Python

This is what I have: from selenium import webdriver driver = webdriver.Firefox() How can I let th… Read more How To Minimize Or Hide The Geckodriver In Selenium?

OK, so I have an Item class that has a many-to-many attribute to User through a 'Roles' cla… Read more Display Relevant Records From Many To Many In Django-tables2

I'm using Outlook 2010 - and have my main mailbox: name@company.com I have also added another m… Read more Python Outlook: Read Inbox Of Additional Mailbox

I'm loading many versions of JSON files to spark DataFrame. some of the files holds columns A,B… Read more Spark - Set Null When Column Not Exist In Dataframe

I am trying to figure out an efficient way of finding row intersections of two np.arrays. Two array… Read more Efficiently Find Row Intersections Of Two 2-d Numpy Arrays

Does anyone know how to convert int to float. For some reason, it keeps on printing 0. I want it to… Read more How To Convert Int To Float In Python?

I have both python2 and python3 in my system. But when I try : python -m pip install sklearn bash … Read more Pip For Python2 While Python3 Pip Exists

I am building a eye-tracking data visualization tool using PyQt4 and Phonon module. Essentially, I … Read more Overlay Video With Custom Graphics Using Phonon & Pyqt

I have been wondering for a while if there is easier way to assign class attributes to method local… Read more Python Importing Class Attributes Into Method Local Namespace

In my previous question, I managed to get the rank of a table based on its value in that table. I c… Read more Sqlalchemy Only Func.rank() Rows In Table Where Value = X

I am writing a program which deals a lot with timezones and crossing them. The two things I deal wi… Read more Daylight Savings Time In Python

If I have a string of length L=77 that I want to pad to a length that is a multiple of N=10. I am i… Read more Simple Way To Calculate Padding Based On Modulo/remainder

I am trying to parse Twitter RSS feeds and put the information in a sqlite database, using Python. … Read more Split Twitter Rss String Using Python

Here is a code snippet from Zed Shaw's 'Learn Python the Hard Way' tutorial 40: class S… Read more Variable Usage In Python Class Declaration

Functions called: (regardless of class) def partition( pivot, lst ): less, same, more = list(),… Read more Python 3 Median-of-3 Quicksort Implementation Which Switches To Heapsort After A Recursion Depth Limit Is Met

If I have a user's Discord name and discriminator as a string (e.g ExampleUser#1234) how can I … Read more Get Discord User Id From Username

Manual says To download a file, use ftp.retrlines('RETR ' + filename) Here is what i do:… Read more Ftplib File Select

I have a Django Queryset object that looks like this (it is a derived queryset, not a queryset for … Read more How Append Sum Of Instances Within A Django Queryset To That Queryset?

I'm having a weird issue with Ansible on a (very) clean install of 10.11.6. I've installed … Read more Ansible + 10.11.6

While trying to figure out the best method to ping (ICMP) something from python, I came across thes… Read more Python Non-privileged Icmp

When I use Sphinx autodoc to document a class, the values for the attributes are always reported, (… Read more Sphinx Values For Attributes Reported As None

I have a Spark dataframe with a column (assigned_products) of type string that contains values such… Read more Count Substring In String Column Using Spark Dataframe

I want create a symlink, overwriting an existing file or symlink if needed. I've discovered tha… Read more Atomic `ln -sf` In Python (symlink Overwriting Exsting File)

I am using psycopg2 to access the data from the Postgres database. I am using psycopg2.extras.DictC… Read more Psycopg2.extras.dictcursor Does Not Give Me Column Names

I'm having trouble trying to get a list of values from a specific key inside an json array usin… Read more How To Parse Json To Get All Values Of A Specific Key Within An Array?

I am trying to write a Python program and I am having a hard time getting my score. I have written … Read more Rock Paper Scissors In Python

If I were using a virtualenv, I would activate my project's virtual environment then install th… Read more Conda: Installing Local Development Package Into Single Conda Environment

I am using (char.*?char2) in order to extract subparts which starts with char1 and which ends with … Read more Extracting Temperature Degrees (celcius Or Fahrenheit) From String

I'm using os.walk and fnmatch with filters to search a pc's hdd for all image files. This w… Read more How To Improve Searching With Os.walk And Fnmatch

I am trying to convert my kivy texture to an image format so that i can process it using opencv (cv… Read more Convert A Kivy Texture To Opencv Image

I have an API fully documented and finished, built in python 3.5/flask using flask-restplus. I'… Read more How Can I Marshal A Pickled Object Through An Api ( Preferably Using Flask-restplus )?

I recently spent way too long debugging a piece of code, only to realize that the issue was I did n… Read more What Distinguishes A Command From Needing () Vs Not?

I have the following package (and working directory): WorkingDirectory-- |--MyPack… Read more Module Not Found During Import In Jupyter Notebook

I have code which successfully runs. Its CmakeLists.txt is: cmake_minimum_required(VERSION 3.15) pr… Read more Cmake Pybind11 Cannot Create Target Because Another Target With The Same Name Already Exists, How To Bypass?

I am currently designing a NoisyNet in Tensorflow, for which I need to define a custom layer. When … Read more "valueerror: Unknown Layer: ... " When Calling Copy.deepcopy(network) Using Tensorflow

I would like to create a perl style multilevel dict in python however I'm struggling to get thi… Read more Multilevel Dictionary In Python

I am merging 2 dataframes together. They are originally .csv files which are only 7 megabytes each… Read more Value Error: Negative Dimensions Are Not Allowed When Merging

There is a boolean optional argument to the print() function flush which defaults to False. The doc… Read more What Does Print()'s `flush` Do?

I am a beginner to using Python's bokeh plotting tool and widgets. In my following code I am tr… Read more Text.on_change Not Responsive For Bokeh Textinput

I've tried everything but can't get Scipy to work. Installed Scipy via Homebrew, seemed to … Read more Mac - No Module Named 'scipy'

I need to split a path up in python and then remove the last two levels. Here is an example, the pa… Read more Python: Split Hard Coded Path

I'm trying to split a dictionary with a list within a pandas column but it isn't working fo… Read more Splitting Multiple Dictionaries Within A Pandas Column

Here is the statement which fails: db.some_collection.update(query,modifier_set, upsert=True, saf… Read more Mongodb Update With Upsert Fails

I am attempting to create a query through a dictionary that looks something like this: Name:name I… Read more How To Print Newlines In A Dictionary?

I answered a question the other day about finding the strings that occur between two specified char… Read more Matching Strings Between Two Characters

I'm using python-mode for Vim, I prefer for there to be 120 character lines rather than the sta… Read more How Can I Set The Python Max Allowed Line Length To 120 In Syntastic For Vim?

Let's say we have a code object like this: code = ''' x = 'unrelated' y = d… Read more How To Execute Nested Pycode Objects

I want to make data migration in order to add user read post in database. There is such code: def u… Read more Why Genericrelation Fields Does Not Work In Data Migrations(django)

I'm new to web scraping, have little exposure to html file systems and wanted to know if there … Read more Pin Down Exact Content Location In Html For Web Scraping Urllib2 Beautiful Soup

While plotting time-series date, i'm trying to plot the number of data points per hour: fig, ax… Read more Is It Possible To Align X-axis Ticks With Corresponding Bars In A Matplotlib Histogram?

I have a dtype as follows: pose_dtype = np.dtype([('x', np.float64), ('y', np.float… Read more Constructing Np.array With Overlapping Fields In Dtype