Python Code Samples

Python pandas dataframe select two records for each value of a column using group by

kishore_kumar | 5 years, 2 months

df = pd.DataFrame({'id':[1,1,1,2,2,2,3,3,3,4,4,4], 'value': ['one','two','three','one','two','three'

python dataframe

get all meta tags content from a url using python

kishore_kumar | 7 years, 6 months

#This can be done using BeautifulSoup package
import requests
from bs4 import BeautifulSoup

python bs4 beautifulsoup

Listing contents of a bucket with boto3

Reshma | 7 years

import boto3

_BUCKET_NAME = 'Bucket_name'

boto3 files s3 bucket

Matplotlib create a bar chart in python

kishore_kumar | 7 years, 10 months

import matplotlib.pyplot as plt

categories = ['Student', 'FreeLancer', 'Employee', 'Others']

python matplotlib

Python get last working day of the month

kishore_kumar | 4 years, 10 months

from datetime import datetime
import calendar

python datetime

How to get image width and height using python

kishore_kumar | 7 years, 1 month

from PIL import Image

im = Image.open('my_image.png')

python python-pil

How to get first day of the month in python

kishore_kumar | 4 years, 8 months

from datetime import datetime

first_day = datetime.today().date().replace(day=1)

python datetime

Threading in python basic example - create a Thread

kishore_kumar | 7 years, 9 months

import threading
import time

python threading

Promise Chaining in nodejs

harika | 6 years, 12 months

const mul = (a, b) => {
  return new Promise((resolve, reject)=> {
    setTimeout(()=>{

nodejs python async

How to get full path of python module file and directory

kishore_kumar | 7 years, 1 month

import os

if __name__ == '__main__':

python python-os

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