Can you explain the filter(), map(), and reduce() functions?
Python | filter(), map(), and reduce() Functions filter() function accepts two arguments, a function and an iterable, where each element of the iterable is filtered through the function to test if the item is accepted or …
Python BigQuery: How to Insert Data into a Table
Once your BigQuery table is created, the next step is to insert data. Using Python and the BigQuery client library, you can insert rows programmatically—perfect for ETL pipelines, data automation, or ingestion workflows. In this …
Does Django support NoSQL?
Django | NoSQL NoSQL basically stands for “not only SQL”. This is considered an alternative to the traditional RDBMS or relational Databases. Officially, Django does not support NoSQL databases. However, there are third-party projects, such as …
Python Built-in Exceptions: Full Guide with Examples
Python has a rich set of built-in exceptions designed to handle various types of runtime errors. These exceptions help you detect and respond to unexpected events during program execution. In this guide, you'll learn: What …
What are static files in Django? And how can you set them?
In Django, static files are the files that serve the purpose of additional purposes such as images, CSS, or JavaScript files. Static files managed by “django.contrib.staticfiles”. There are three main things to set up static …
Python MSSQL: Insert Data – Complete Guide with Code Examples
Once you've created a table in your Microsoft SQL Server (MSSQL) database, the next step is inserting data into it. Python, combined with the pyodbc library, offers a powerful and flexible way to insert data …
Python Matplotlib Markers – A Complete Guide
Markers in Matplotlib are symbols used to highlight individual data points on plots. They are especially useful in line plots, scatter plots, and custom visualizations where you want to emphasize the individual points. This guide …
Django API Documentation Using Swagger with drf-yasg
Introduction: Why Swagger API Docs Matter in Django Great code deserves great documentation—especially for APIs. When building REST APIs with Django REST Framework (DRF), clear and up-to-date documentation is critical for: Frontend developers and third-party …
Python MSSQL: Create a Table – Step-by-Step Guide with Code Examples
Creating tables in a Microsoft SQL Server (MSSQL) database using Python allows you to automate your database setup and seamlessly integrate backend data structures with your applications. This guide walks you through the process of …
Refreshing JWT Tokens in Django with djangorestframework-simplejwt
Introduction: Why Token Refreshing Matters JWT (JSON Web Tokens) are commonly used for securing APIs in modern Django applications, especially with frontend frameworks like React, Vue, or mobile apps. However, access tokens expire quickly (usually …
Python PostgreSQL Tutorial – Inserting Data into a Table with psycopg2
Once you've created a PostgreSQL table using Python, the next step is to insert data into it. In this tutorial, you'll learn how to use Python and psycopg2 to insert single and multiple records into …
Django API Documentation with drf-spectacular: Clean, OpenAPI 3-Compliant Docs for DRF
Introduction: Why Use drf-spectacular for API Documentation? Good API documentation is not a luxury—it's a necessity. Whether you're developing APIs for internal tools or exposing them to third-party consumers, your documentation: Saves time debugging API …
Python NumPy random.permutation: A Complete Guide
In data manipulation, machine learning, or statistics, it's often necessary to shuffle data—either for splitting datasets, randomizing the order of records, or avoiding bias. NumPy’s random.permutation() function is an essential tool for this. This article …
Python MSSQL: How to UPDATE Data in a Table
Updating records in a database is a core operation in nearly every application. Whether you’re modifying a user’s profile, adjusting inventory, or fixing data errors, the SQL UPDATE statement helps you modify existing records. In …
Python SQLite: How to UPDATE Records in a Table
Updating existing data in your SQLite database is a common and essential task when building applications. The SQL UPDATE statement allows you to modify existing records in a table. When combined with Python’s sqlite3 module, …