Skip to main content

Free Programming Tutorials, Blogs & Developer Tools

09
Nov
2026

20 views

A complete engineering guide to building a production-oriented AI automation service with Python, FastAPI, and Pydantic v2. It explores persistent async OpenAI client lifecycle management via ASGI lifespan handlers, prompt segregation, boundary sanitization, constant-time API key security, and semantic HTTP status mapping for upstream provider rate limits and timeouts. Features an automated 14-scenario pytest suite using context-managed test clients and practical production hardening strategies.

09
Nov
2026

41 views

Development and testing teams today widely use test automation to automate test creation and execution. Sure, this has made testing processes much faster and efficient. But here's a reality check: QA teams using testing frameworks spend at least 20 hours per week creating and maintaining automated tests. Traditional automation test scripts are rigid and highly sensitive to app changes. Even minor UI updates such as renaming a button, can cause the test scripts to fail. As a result, your

12
Jun
2026

In this tutorial, we walk you through how to generate your Claude API key from the Anthropic Console and set up billing for your account. Whether you're a developer or just getting started with AI, this step-by-step guide makes it easy to get up and running with Claude AI quickly and securely.

12
Jun
2026

Growing a YouTube channel takes more than just uploading great content — it also requires ongoing optimization of your video titles, descriptions, and metadata to stay discoverable. But manually reviewing every video on your channel is time-consuming and tedious. What if an AI could do that for you, automatically, right inside your browser? In this tutorial, we show you exactly how to use the Claude AI Chrome Extension to analyze your YouTube channel, identify low-performing videos, and autom

11
Jun
2026

570 views

This guide provides a comprehensive approach to implementing Two-Factor Authentication (2FA) using ASP.NET Core Identity, enhancing security for web applications. Understanding 2FA is crucial as it adds an additional layer of protection against unauthorized access, thereby mitigating risks associated with credential theft. Familiarity with ASP.NET Core Identity and basic authentication concepts is essential before proceeding with the implementation.

20
Mar
2026

361 views

This post explores CWE-915, a critical mass assignment vulnerability that can expose web APIs to unauthorized data manipulation. Understanding this vulnerability is essential for developers aiming to secure their applications against potential attacks. Readers should have a basic understanding of web APIs and object-oriented programming concepts.

02
Apr
2026

307 views

This comprehensive guide covers everything you need to know about implementing navigation in React applications using React Router. Understanding React Router is essential for building single-page applications that require dynamic routing and seamless user experiences. Prior knowledge of React components and hooks is beneficial for grasping the concepts presented in this article.

23
Mar
2026

650 views

This article delves into CWE-306, focusing on the essential practice of securing critical functions through authentication. Understanding this vulnerability is crucial for developers to protect sensitive actions within applications. Readers should have a foundational knowledge of web application security and authentication mechanisms.

30
Mar
2026

320 views

In this detailed guide, readers will learn how to implement JSON Web Token (JWT) authentication in Node.js applications, understand the underlying principles of JWT, and explore best practices for secure implementation. This knowledge is crucial for developing secure APIs and web applications that manage user authentication effectively. Familiarity with Node.js and JavaScript is required to fully grasp the concepts presented here.

27
May
2026

202 views

In this comprehensive guide, you will learn how to integrate Google Analytics 4 (GA4) using the Measurement Protocol in your ASP.NET Core applications. This integration allows you to send data directly to Google Analytics servers, which is crucial for tracking user interactions that may not occur on your website, such as server-side events. Prior knowledge of ASP.NET Core and basic familiarity with Google Analytics will help you grasp the concepts presented here.

04
Jun
2026

338 views

This article delves into the critical topic of preventing XPath Injection vulnerabilities in ASP.NET Core applications. Understanding and mitigating these vulnerabilities is essential for securing XML data processing and ensuring application integrity. Readers should have a basic understanding of XML, XPath, and ASP.NET Core fundamentals.

25
Apr
2026

242 views

In this tutorial, readers will learn how to integrate the SparkPost Email API into an ASP.NET Core application to send emails efficiently. Understanding this integration is crucial for developers needing reliable email delivery solutions in modern web applications. Familiarity with ASP.NET Core and RESTful APIs is recommended to follow along seamlessly.

01
Apr
2026

258 views

This guide provides an exhaustive understanding of SQL Server backup and restore processes, essential for data protection and recovery strategies. It matters because effective backup solutions can prevent data loss and ensure business continuity. Prior knowledge of SQL Server and basic database concepts is beneficial for maximizing comprehension.

25
Aug
2023

3,886 views

In Java, the ArithmeticException is a subclass of the RuntimeException class. It is thrown when an arithmetic operation fails or produces an incorrect result. One of the most common causes of an ArithmeticException is attempting to divide by zero.

05
Mar
2024

Hello guys in this article we will see how to implement JWT Token Authenticate with Validate Token and Refresh Token automatically . We will create one action filter attribute that will automatically validate all the request and if the token is expired it will refresh the token again.

Trending This Month

Based on actual reader views in November 2026

Free Developer Tools

Handy online tools to boost your productivity — no login required.

HTML Beautifier
Format & prettify HTML code instantly
JSON Beautifier
Validate & format JSON with syntax highlighting
XML Beautifier
Indent and format XML documents
CSS Beautifier
Clean up and format CSS stylesheets
JS Beautifier
Beautify & minify JavaScript code
Diff Checker
Compare two texts and spot differences
Password Generator
Generate strong, secure passwords
Hash Generator
MD5, SHA-1, SHA-256 & more
Base64 Encode/Decode
Encode or decode Base64 strings
URL Encoder
Encode & decode URLs and query strings
JSON to CSV
Convert JSON arrays to CSV format
QR Code Generator
Generate QR codes for any text or URL
Regex Tester
Test and debug regular expressions live
Case Converter
camelCase, snake_case, PascalCase & more
Word Counter
Count words, characters & reading time
Timestamp Converter
Convert Unix timestamps to readable dates
Meta Tag Generator
Generate SEO meta tags & Open Graph tags
Color Picker
Pick colors and get HEX, RGB, HSL values
PDF Editor
Merge, split and convert PDF files
SEO Analyzer
Audit any URL and get an SEO score
JWT Decoder
Decode and inspect JWT tokens instantly
SQL Formatter
Format and beautify SQL queries
UUID / GUID Generator
Generate v4 UUIDs in bulk
JSON to TypeScript
Auto-generate TypeScript interfaces from JSON
Cron Explainer
Explain cron expressions in plain English
Number Base Converter
Convert between binary, hex, decimal & octal
CSV to JSON
Convert CSV data to JSON format
Markdown to HTML
Preview and convert Markdown to HTML
Lorem Ipsum Generator
Generate placeholder text for mockups
String Escape
Escape/unescape strings for JSON, HTML & more
World Clock
Live time in your timezone & worldwide
Image Converter
Convert JPG, PNG, WebP, BMP client-side
Image Resizer
Resize images to exact dimensions
Image Compressor
Reduce image file size without quality loss
Image to Base64
Encode images as Base64 data URIs
PNG to ICO
Create multi-size favicon .ico files

Our Community Impact

Blogs, views & resources shared with developers around the world

840
Total Blogs
Programming articles & tutorials
2,754,489
Total Views
Page views across all blogs
2,876
Downloads
Source code & resource downloads

Never study to be successful, study for self-efficiency. Don’t run behind success. Follow behind excellence, success will come all way behind you.

Translate Page