How to Reverse Words or Sentences in Python
Let’s take the following sentence:
words = "These are some words"
We can use slices to reverse the order of the string:
print( …Technical Articles
In-depth guides, insights, and best practices for modern software engineering
How to solve AttributeError: ‘int’ object has no attribute ‘split’ – make: [sharedmods] Error 1
If you get the following error while trying to install something via Homebrew
AttributeError: 'int' object has no attribute 'split' - make: *** …
How to Push a Docker image to AWS ECR
By default, Docker pushes its images to Docker Hub.
While Docker Hub is a great way to share both your public and private images, you may find the …
Read Article →Complete Guide: How to Base64 Encode a String in Python | Python Base64 Encoding Explained
How to Base64 Encode a String in Python: A Comprehensive Guide
Welcome to our comprehensive guide on how to python base64 encode a string in Python. …
How to Get 10 Random Numbers in Python
The random module allows you to generate choices.
import random
print(random.choices([i for i in range(1000)], k=10))
This might give us back …
Read Article →Get the Middle Character in Python
The challenge
Return the middle character of the word. If the word’s length is odd, return the middle character. If the word’s length is …
Read Article →Convert String to Datetime in Python
If you have a string and want to create a Datetime object out of it in Python, then you can use the Datetime Parse Time method, as follows:
from …How to Abort SQL statements after a set time in MariaDB
Sometimes you don’t want a SELECT query to run for more than a set amount of time.
This is a roundabout way to make your server doesn’t …
Read Article →Multiprocessing Pools in Python
Python ships with a multiprocessing module that allows your code to run functions in parallel by offloading calls to available processors.
In this …
Read Article →How to Double Characters in Python
The challenge
Given a string, you have to return a string in which each character (case-sensitive) is repeated once.
double_char("String") …How to Reverse Words in Python
The challenge
Complete the function that accepts a string parameter, and reverses each word in the string. All spaces in the string should be …
Read Article →How to Count by X in Python
The challenge
Create a function with two arguments that will return an array of the first (n) multiples of (x).
Assume both the given number and the …
Read Article →Calculate the Sum of Pairs in Python
The challenge
Given a list of integers and a single sum value, return the first two values (parse from the left please) in order of appearance that …
Read Article →How to break a list into multiple lists (with maximum size) in Python
If you have a large list and want to create smaller lists of it, with a maximum amount of elements, then:
commands = [str(i) for i in range(100)] …Get all dates between two dates inclusive in Python
If you want to print out a list of all dates between 2 dates (a date range), then you can use the following script:
from datetime import date, …How to Append a Python Dictionary to a Pandas DataFrame
If you want to append a Python dictionary to a Pandas DataFrame, you can do this:
# Create a new DataFrame
output = pd.DataFrame()
# Append the …Get Secret from AWS Secrets Manager in Python
You can store secrets in AWS Secret Manager and reference their ARN in AWS Systems Secret Manager.
The below snippet allows you to specify the …
Read Article →How to do Binary Addition in Python
The challenge
Implement a function that adds two numbers together and returns their sum in binary. The conversion can be done before or after the …
Read Article →How to Auto-Adjust Excel column widths with pandas.ExcelWriter
You have successfully written your pandas Dataframe to an Excel file, but when you open it, all the columns are squashed up against each other.
There …
Read Article →How to Sort the Odd in Python
The challenge
You will be given an array of numbers. You have to sort the odd numbers in ascending order while leaving the even numbers at their …
Read Article →Calculate the Sum of the two lowest positive integers in Python
The challenge
Create a function that returns the sum of the two lowest positive numbers given an array of minimum 4 positive integers. No floats or …
Read Article →Unique In Order in Python
The challenge
Implement the function unique_in_order which takes as argument a sequence and returns a list of items without any elements with the same …
How to Change the Hostname on Linux
On Linux, you can change the hostname by using the hostnamectl command.
You’ll typically need to do this right after provisioning a new server, …
Read Article →How to Deploy a Docker Container to Kubernetes
Once you have a Docker container, it is really simple to deploy containers to Kubernetes.
Generate a Deployment YAML
kubectl provides a fantastic way …