| """ | |
| Exercises: | |
| Try to change difficulty level in proof of work algorithm and see how long does it takes to compute nonce. | |
| Write a method to validate the chain. | |
| Reward the mining node. | |
| """ | |
| # blockchain.py | |
| import hashlib |
Generally, there are two major types of technical interviews that companies have in India:
If you're aiming the traditional giants like Google, Microsoft, Amazon, etc, then you should focus solely on problem-solving & data structures (PS/DS).
| from lxml import html | |
| import requests | |
| import unicodecsv as csv | |
| import argparse | |
| import json | |
| def clean(text): | |
| if text: | |
| return ' '.join(' '.join(text).split()) |
| #!/usr/bin/env python3 | |
| import matplotlib.pyplot as plt | |
| import seaborn as sns | |
| # dictionary with pre-counted bins | |
| test = {1:1,2:1,3:1,4:2,5:3,6:5,7:4,8:2,9:1,10:1} | |
| # with matplotlib | |
| plt.hist(list(test.keys()), weights=list(test.values())) |
| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Upload</title> | |
| </head> | |
| <body> | |
| <?php | |
| if($_FILES['image']['tmp_name']){ |
