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Showing posts from September, 2024

Reshape Pandas Dataframe Columns By Block Of N Columns

I have 1 dataframe where blocks of columns need to be reshaped to rows. I tried to use stack() and … Read more Reshape Pandas Dataframe Columns By Block Of N Columns

Establishing Tcp Socket Connection Between 2 Vms Using Python

I am running 2 Virtual Machines as Client-Server. One VM is a Windows[Client] and the other VM is a… Read more Establishing Tcp Socket Connection Between 2 Vms Using Python

Python Requests 'certificate Verify Failed' For A Specific Sni Certificate

I have been using the python requests framework for pretty much all my projects for many years now … Read more Python Requests 'certificate Verify Failed' For A Specific Sni Certificate

How To Measure How Much Time Request Take In Nodejs

const axios = require('axios'); axios.get('url') .then(response => { con… Read more How To Measure How Much Time Request Take In Nodejs

Print "foo" If An Element Is In A List

I have tried: >>> l = [1,2,3] >>> x = 1 >>> x in l and lambda: print(&#… Read more Print "foo" If An Element Is In A List

Python - Ioerror: [errno 2] No Such File Or Directory: U'lastid.py' For File In Same Directory. Works Locally, Doesn't On Heroku

I suspect this is a very newbie question but I can't find any solutions that are helping :( I&… Read more Python - Ioerror: [errno 2] No Such File Or Directory: U'lastid.py' For File In Same Directory. Works Locally, Doesn't On Heroku

Add A Label To Y-axis To Show The Value Of Y For A Horizontal Line In Matplotlib

How can I add a string label to the horizontal red line showed in the following plot? I want to add… Read more Add A Label To Y-axis To Show The Value Of Y For A Horizontal Line In Matplotlib

Drag N Drop Button And Drop-down Menu Pyqt/qt Designer

I would like to know the 'best practice' to change the behavior of some buttons to do the f… Read more Drag N Drop Button And Drop-down Menu Pyqt/qt Designer

Python Opencv Cv2 Matchtemplate With Transparency

OpenCV 3.0.0 added the ability to specify a mask while performing templateMatch. When I specify a m… Read more Python Opencv Cv2 Matchtemplate With Transparency

Firebase: Limited And Secure Service Access From Pyrebase?

When using Firebase's server API, you can provide additional databaseAuthVariableOverride secti… Read more Firebase: Limited And Secure Service Access From Pyrebase?

Error: ('im005', "[im005] [unixodbc][driver Manager]driver's Sqlallochandle On Sql_handle_dbc Failed (0) (sqldriverconnect)")

I am running this code in my pyodbc script where I am trying to do parallelism templst = [lineitem,… Read more Error: ('im005', "[im005] [unixodbc][driver Manager]driver's Sqlallochandle On Sql_handle_dbc Failed (0) (sqldriverconnect)")

Numpy: Sort By Key Function

Is there a way to sort the rows of a numpy ndarray using a key (or comparator) function, without re… Read more Numpy: Sort By Key Function

Iterate Over All Lists Inside A List Of Varied Lengths

I have a list of lists. It looks something like this: [ [4,7,9,10], [5,14,55,24,121,56, 89,… Read more Iterate Over All Lists Inside A List Of Varied Lengths

How Can I Execute Same Code For A Condition In Try Block Without Repeating Code In Except Clause

I am checking consecutive indices of a list and I want to execute same piece of code in case if the… Read more How Can I Execute Same Code For A Condition In Try Block Without Repeating Code In Except Clause

Make Pysimplegui Radio Buttons Generate Events

In the past, to build a radio button with Matplotlib Widgets and print the pushed button name to th… Read more Make Pysimplegui Radio Buttons Generate Events

Connecting To Postgresql Using Pyodbc

I have a PostgreSQL running on localhost. I have psqlODBC Driver installed. Now when I try to conne… Read more Connecting To Postgresql Using Pyodbc

How To Store A Pandas Dataframe With Datetime.timedelta Type Data Objects Into A Postgresql D/b Using Sqlalchemy?

I would like to store a pandas dataframe containing columns of type timedelta64 in a Postgresql dat… Read more How To Store A Pandas Dataframe With Datetime.timedelta Type Data Objects Into A Postgresql D/b Using Sqlalchemy?

Python Numpy.random.normal

I generated random 20 numbers with mean 0 and variance 1 (np.random.normal). I calculated the varia… Read more Python Numpy.random.normal