git clone https://github.com/ethereum/viper.git cd viper make make test
Here is what the above code is Doing:
1. Installing the required dependencies
2. Cloning the Viper repository
3. Building Viper
4. Running the tests
df.var() Here is what the above code is Doing: 1. We are creating a new dataframe called ‘df’ by reading in the ‘data.csv’ file. 2. We are then printing the first 5 rows of the dataframe. 3. We are then printing the last 5 rows of the dataframe. 4. We are then printing the mean…
# `python-catkin-tools` is needed for catkin tool # `python3-dev` and `python3-catkin-pkg-modules` is needed to build cv_bridge # `python3-numpy` and `python3-yaml` is cv_bridge dependencies # `ros-melodic-cv-bridge` is needed to install a lot of cv_bridge deps. Probaply you already have it installed. sudo apt-get install python-catkin-tools python3-dev python3-catkin-pkg-modules python3-numpy python3-yaml ros-melodic-cv-bridge # Create catkin workspace mkdir catkin_workspace…
# Shell pip install pdfkit sudo apt-get install wkhtmltopdf # Python import pdfkit pdfkit.from_file(‘input.html’,’shaurya.pdf’) # .from_url and .from_string also exist # Source: https://www.geeksforgeeks.org/python-convert-html-pdf/ Here is what the above code is Doing: 1. We are importing the pdfkit module. 2. We are creating a pdf file from the HTML file input.html. 3. We are using wkhtmltopdf…
from functools import lru_cache @lru_cache def some_func(a): pass Here is what the above code is Doing: 1. The @lru_cache decorator is used to wrap a function. 2. The function is wrapped in a try-except block. 3. If an exception is raised, the exception is logged and the function is retried. 4. If the function succeeds,…
import nmap, socket ip_addr = input(‘Enter ip or url to check if it is up or down: ‘) scanner = nmap.PortScanner() host = socket.gethostbyname(ip_addr) scanner.scan(host, ‘1’, ‘-v’) print(“IP Status: “, scanner[host].state()) Here is what the above code is Doing: 1. We are importing the nmap module and the socket module. 2. We are asking the…
>>> set_style(“ticks”, {“xtick.major.size”: 8, “ytick.major.size”: 8}) Here is what the above code is Doing: 1. Importing the matplotlib.pyplot module and setting the style to ggplot. 2. Importing the seaborn module. 3. Setting the size of plots. 4. Setting the style of plots.