Python Tutorial for Beginners

I want to make the background of an image (jpg/jpeg) transparent white. Below is my code which tran… Read more How To Get Transparent Background From Jpeg Image By Converting To Png?

I have a time series in python pandas dataframe object and I want to create a group based on index … Read more Groupby With Overlapping Intervals Timeseries

I'm trying to create a python program that logs in to my university's site using my id and … Read more Http Post And Get With Cookies For Authentication In Python

Using multiplication operator mul for example, code import numpy as np v = 1.0 a = float(v) b = n… Read more Confusing Type Of Results Of Binary Arithmetic Operations Involving Python Builtin Numeric Types And Numpy Types Float64 And Complex128

Is there a way to plot multiple plots in one window (graphics are displayed qt)? Solution 1: Sure.… Read more Python - Multiple 3d Plots In One Window

I'm trying to do with Python what I the STL function on R. The R commands are fit Solution 1:… Read more Seasonal Decomposition Of Time Series By Loess With Python

Basically, I have to use a function to modify a list in a way where I change n-consecutive elements… Read more How To Change N Consecutive Elements In A List Without Creating A New One?

On Ubuntu 16.04 with Python 2.7 default version, I am trying to install Apache airflow but ran into… Read more Apache Airflow : Airflow Initdb Results In "importerror: No Module Named Json"

I have a simple table with an int[] column, and I'd like to be able to select rows where any on… Read more Filter With Array Column With Postgres And Sqlalchemy

basically, here is the address... http://opentools.homeip.net/dev-tools-for-upnp they are the recom… Read more Intels Open Source Upnp Sdk Has Absolutely 0 Documentation, Why?

In using rpy2 with a built-in dataset from the synthpop R package (SD2011), I get this error: robje… Read more "valueerror: Codes Need To Be Between -1 And Len(categories)-1" When Extracting Null Values In Rpy2

Using PyCairo, I want to be able to have a method that can put, resize & rotate a given ImageSu… Read more Pycairo : How To Resize & Rotate An Image By Its Center To A Final Canvas

Hi I have a set of images of size 200x200 and I want to divide these images into 10 blocks of size … Read more Divide Images Into Blocks And Compare Each Corresponding Block

I have 6 large files which each of them contains a dictionary object that I saved in a hard disk us… Read more What Is The Best Way To Load Multiple Files Into Memory In Parallel Using Python 3.6?

I've had a look around SO and couldn't find this particular issue. So I have an ext config.… Read more Mixing Strings And Input Variable In Sql Connection String Using Pyodbc Library - Python

I just write this code in Python under Raspbian OS: import smtplib fromaddr = '*****@hotmail.d… Read more Ssl Error While Sending Email With Python (raspbian Os)

One of the packages that I am working with has a pre-requisite that the index of the data frame nee… Read more Convert Datetime64[ns] Column To Datetimeindex In Pandas

Is it possible to use Keras's scikit-learn API together with fit_generator() method? Or use ano… Read more Keras/scikit-learn: Using Fit_generator() With Cross Validation

I faced with the problem there was exception OSError 24 ('Too many open files') raised on m… Read more Python - Oserror 24 (too Many Open Files) And Shared Memory

I have a DataFrame like this a = pd.DataFrame(a.random.random(5, 10), columns=['col1','… Read more How Do I Quantize Data In Pandas?