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Dijkstra’s Algorithm in 5 Steps with Python
Dijkstra’s Algorithm is one of the most well-known graph algorithms. It is also one of the hardest to spell and pronounce. It’s pronounced “dike-struh” algorithm. Dijkstra’s algorithm is a shortest path algorithm with many variations. In this post we’ll be going over two Python implementations of Dijkstra’s algorithm. ‘ The first is the naive implementation,Continue reading “Dijkstra’s Algorithm in 5 Steps with Python”
Private Variables in Python
There are three variable scopes you need to know. There are global variables, public variables, and private variables. Global variables can be accessed from all functions and modules in a program. Ideally they are only declared once in a whole program. Public variables belong to certain classes, but are visible to other classes, functions, andContinue reading “Private Variables in Python”
295. Find Median from Data Stream LeetCode Solution
I don’t usually do LeetCode problems, but this one comes up as a real life use case for me so I wanted to share. This problem is about data streaming and handling data in real time. It’s similar to what we call ETL or ELT in industry. Read this to learn about the difference betweenContinue reading “295. Find Median from Data Stream LeetCode Solution”
Python Counting Sort Guide and Implementation
Counting sort is a niche sorting algorithm for integers only. In this post we cover how to build a counting sort Python implementation.
Super Simple Python: Simple Calculator
Super Simple Python is a series of Python projects you can do in under 15 minutes. In this episode, we’ll be covering how to build a simple calculator in under 30 lines of Python! For a video version: Unlike some of the Super Simple Python examples we’ve done, these don’t require any libraries! Defining theContinue reading “Super Simple Python: Simple Calculator”
Python Speech Recognition with SpeechRecognition
The Python SpeechRecognition library helps you easily do speech recognition with many different backends.
Anagram Python Technical Interview Question Solutions
Anagrams are strings that are made up of the same set of letters. There are many ways to use anagrams in technical interview questions. The one that I got in my most recent round of technical interviews was along the lines of “remove all words in a list that are anagrams of words that haveContinue reading “Anagram Python Technical Interview Question Solutions”
Python Firebase Authentication Integration with FastAPI
FastAPI is a new Python framework to facilitate the creation of APIs. Google Firebase Authentication is Google Cloud Platform’s authentication tool. It’s similar to tools like AWS Cognito, Azure Active Directory, or Okta. In this post, we’re going to go over how to integrate Firebase Auth with FastAPI. We’ll cover: What is the Python FastAPIContinue reading “Python Firebase Authentication Integration with FastAPI”
How to Use Environment Variables with Python Dotenv
We often have to use API keys, secret keys, identity keys, and so on when we build applications. Each of these keys comes with a warning not to show it publicly or to lose it. Managing these keys is not only a safety concern, but also a matter of staying up to date as keysContinue reading “How to Use Environment Variables with Python Dotenv”
Accuracy, Precision, Recall, and F Score
How do you measure how well your machine learning model is doing? There are four main metrics for measuring the accuracy of a machine learning model. These metrics are accuracy, precision, recall, and F-Score (or F Score). In this post, we’ll be covering how to calculate each of these metrics and what they’re used for.Continue reading “Accuracy, Precision, Recall, and F Score”
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