Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

Fix Gemini API Error 429: Quota Exceeded on Free Tier (System.InvalidOperationException)

Shubham Saini 672 views

Getting System.InvalidOperationException with Gemini API Error 429 (Quota Exceeded) on the Free Tier? You're not alone! This blog explains why this happens, covers free tier rate limits, and shows you how to fix it fast with retry logic, best practices, and tips on using image models in Gemini free tier.

13

Jun

2026

How to Build a Text-to-SQL AI Chatbot with Semantic Kernel and OpenAI in .NET 8

Shubham Saini 1,177 views Watch Video

Step-by-step tutorial to build a natural language to SQL chatbot using Microsoft Semantic Kernel, OpenAI function calling, and SQL Server in a .NET 8 Razor Pages app — with source code, architecture, pros, cons, and performance tips.

13

Jun

2026

Test Blog or whatever title you wnat

Shubham Saini 8 views

Here you have to add the descripion

12

Jun

2026

How to Generate Claude API Key & Setup Billing | Anthropic Claude Tutorial

Shubham Saini 293 views Watch Video

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

How to Boost Your YouTube Channel Performance Easily & Automatically with Claude AI Chrome Extension

Shubham Saini 238 views Watch Video

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

Implementing Two-Factor Authentication (2FA) in ASP.NET Core Identity

Shubham Saini 272 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.

11

Jun

2026

Securing ASP.NET Core appsettings.json Using Environment Variables and Secret Management

Shubham Saini 833 views

This article explores how to secure sensitive information in ASP.NET Core applications by utilizing environment variables and the built-in secret management system. Understanding these concepts is crucial for preventing exposure of sensitive data in production environments. Readers should have a basic understanding of ASP.NET Core and its configuration system before diving in.

11

Jun

2026

Preventing Sensitive Data Exposure in ASP.NET Core API Responses with JsonIgnore

Shubham Saini 236 views

In this post, readers will learn how to effectively use the JsonIgnore attribute in ASP.NET Core to prevent sensitive data exposure in API responses. This is crucial for maintaining data privacy and security in modern web applications. A fundamental understanding of ASP.NET Core and JSON serialization is recommended for optimal comprehension.

14

Mar

2026

Mastering Recursion in C Programming: A Comprehensive Guide

Shubham Saini 269 views

In this blog post, readers will explore the concept of recursion in C programming. They will learn how to implement recursive functions, understand the mechanics behind recursion, and discover common pitfalls to avoid.

22

May

2026

Kubernetes Deployment of ASP.NET Core Microservices - Full Walkthrough

Shubham Saini 225 views

In this comprehensive guide, you will learn how to deploy ASP.NET Core microservices on Kubernetes, understanding both the theory and practical implementation. This matters because Kubernetes provides a robust platform for managing containerized applications, ensuring scalability, reliability, and ease of management. Before diving in, you should be familiar with basic concepts of ASP.NET Core, Docker, and Kubernetes.

31

May

2026

CWE-918: Preventing Server-Side Request Forgery (SSRF) in ASP.NET Core HttpClient

Shubham Saini 242 views

This article delves into the nuances of preventing Server-Side Request Forgery (SSRF) vulnerabilities in ASP.NET Core applications using HttpClient. Understanding SSRF is crucial for securing your applications against unauthorized access and data leakage. Prior knowledge of ASP.NET Core and basic security principles will be beneficial for the reader.

20

Mar

2026

CWE-915: Mass Assignment Vulnerability - Securing Object Binding in Web APIs

Shubham Saini 257 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.

11

Mar

2024

Sending Calendar Events Using .ICS File in ASP.NET

Shubham Batra 6,993 views Watch Video

In this article, we'll explore how to send calendar events via email using .ICS files in an ASP.NET application. We'll walk through the process step-by-step and explain the provided code snippet along the way.

16

Mar

2026

Mastering Design Patterns in C#: Singleton, Factory, and Observer

Shubham Saini 246 views

In this blog post, we will explore three foundational design patterns in C#: Singleton, Factory, and Observer. Understanding these patterns will enhance your software design skills and help you create more maintainable and scalable applications.

06

Dec

2023

HTTP Error 500.32 Failed to load ASP NET Core runtime

Shubham Batra 7,378 views Watch Video

Hello guys sometimes while trying to run Your Asp.net core project you may face error HTTP Error 500.32 Failed to load ASP NET Core runtime . So we will see how to solve that.

31

Mar

2026

Mastering SQL Server: SELECT WHERE and ORDER BY Clauses Explained

Shubham Saini 330 views

This post delves into the intricate workings of the SELECT, WHERE, and ORDER BY clauses in SQL Server, providing a comprehensive understanding of their roles in data manipulation. Mastering these clauses is crucial for effective querying and data retrieval, which are foundational skills for any database professional. A basic understanding of SQL syntax and relational database concepts is beneficial before diving into the details.

12

Apr

2026

Implementing Asynchronous Data Access with Dapper in ASP.NET Core

Shubham Saini 291 views

In this tutorial, readers will learn how to implement asynchronous data access using Dapper in ASP.NET Core applications. Understanding asynchronous programming is crucial for building responsive and scalable web applications, especially when dealing with database operations. Familiarity with C#, ASP.NET Core, and basic SQL is recommended to follow along effectively.

23

May

2026

Leveraging Terraform for ASP.NET Core Applications on Azure: A Comprehensive Guide to Infrastructure as Code

Shubham Saini 120 views

This article provides an in-depth exploration of using Terraform to manage Azure resources for ASP.NET Core applications, detailing the principles of Infrastructure as Code (IaC) and its real-world applications. Understanding Terraform's capabilities can streamline deployment processes, enhance scalability, and improve collaboration among development teams. Readers should be familiar with ASP.NET Core basics and have an Azure account to follow along effectively.

19

Apr

2026

Implementing Firebase Cloud Messaging (FCM) Push Notifications in ASP.NET Core

Shubham Saini 246 views

This tutorial delves into the implementation of Firebase Cloud Messaging (FCM) for push notifications within ASP.NET Core applications. By understanding FCM, developers can enhance user engagement through timely and relevant notifications. Familiarity with ASP.NET Core and basic concepts of REST APIs is recommended to maximize the benefits of this guide.

10

Sep

2020

Implement Stripe Payment Gateway In ASP.NET

Shubham Batra 59,329 views Watch Video

This tutorial demonstrates how to accept payments with Stripe Checkout in an ASP.NET application built with C# and Web Forms. The application uses Checkout to accept credit cards from the end user and send tokens to a back-end API. The back-end controller uses the Stripe .NET library to create a charge. There are four steps: Create the project and configure dependencies Create the payment Web Form Create a page to perform the charge Run the application

Free Programming Tutorials, Blogs & Developer Tools

Fix Gemini API Error 429: Quota Exceeded on Free Tier (System.InvalidOperationException)

How to Build a Text-to-SQL AI Chatbot with Semantic Kernel and OpenAI in .NET 8

Test Blog or whatever title you wnat

How to Generate Claude API Key & Setup Billing | Anthropic Claude Tutorial

How to Boost Your YouTube Channel Performance Easily & Automatically with Claude AI Chrome Extension

Implementing Two-Factor Authentication (2FA) in ASP.NET Core Identity

Securing ASP.NET Core appsettings.json Using Environment Variables and Secret Management

Preventing Sensitive Data Exposure in ASP.NET Core API Responses with JsonIgnore

Mastering Recursion in C Programming: A Comprehensive Guide

Kubernetes Deployment of ASP.NET Core Microservices - Full Walkthrough

CWE-918: Preventing Server-Side Request Forgery (SSRF) in ASP.NET Core HttpClient

CWE-915: Mass Assignment Vulnerability - Securing Object Binding in Web APIs

Sending Calendar Events Using .ICS File in ASP.NET

Mastering Design Patterns in C#: Singleton, Factory, and Observer

HTTP Error 500.32 Failed to load ASP NET Core runtime

Mastering SQL Server: SELECT WHERE and ORDER BY Clauses Explained

Implementing Asynchronous Data Access with Dapper in ASP.NET Core

Leveraging Terraform for ASP.NET Core Applications on Azure: A Comprehensive Guide to Infrastructure as Code

Implementing Firebase Cloud Messaging (FCM) Push Notifications in ASP.NET Core

Implement Stripe Payment Gateway In ASP.NET

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