Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 50 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 114 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 96 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 90 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 80 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 91 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 77 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.

03

Apr

2026

Best Practices for Secure Gemini API Integration in ASP.NET

Shubham Saini 140 views

In this comprehensive guide, you will learn the best practices for securely integrating the Gemini API with ASP.NET applications. Understanding these practices is crucial for protecting sensitive data and ensuring robust API interactions. Prior knowledge of ASP.NET and basic API concepts is recommended for effective implementation.

16

Mar

2026

Entity Framework Core Tutorial for Beginners: Mastering Data Access in C#

Shubham Saini 162 views

In this tutorial, you will learn the fundamentals of Entity Framework Core, a powerful Object-Relational Mapping (ORM) tool in C#. We will explore key concepts, set up a real-world application, and provide practical examples to help you effectively manage data access in your applications.

18

Jul

2022

Maximum request length exceeded

Shubham Batra 8,721 views Watch Video

Hello guys, often we want to support file upload in web applications and you will notice if you try to upload file more than 4MB you will face error Maximum request length exceeded .We will see how to fix error maximum request length exceeded in asp.net mvc.

19

Apr

2026

Securing Jira Integration in ASP.NET Core with OAuth 2.0

Shubham Saini 226 views

This comprehensive guide covers the implementation of OAuth 2.0 for securing Jira integration in ASP.NET Core applications. It highlights the importance of secure API access, explores OAuth 2.0's role in safeguarding user data, and provides practical code examples to ensure a robust integration. Readers should have a foundational understanding of ASP.NET Core and API development.

19

Mar

2026

CWE-522: Insufficiently Protected Credentials - Secure Password Storage with Hashing

Shubham Saini 143 views

This post delves into CWE-522, focusing on the importance of secure password storage using hashing techniques. Understanding how to protect user credentials is critical for building secure applications and preventing data breaches. Readers should have a basic understanding of programming concepts and security principles.

10

Jun

2026

Protecting ASP.NET Core Web API Endpoints with JWT Bearer Authentication

Shubham Saini 89 views

In this comprehensive guide, you will learn how to implement JWT Bearer Authentication in ASP.NET Core Web APIs to secure your endpoints effectively. Understanding JWT and its implementation is crucial for building robust applications that protect sensitive data. Prior knowledge of ASP.NET Core and web APIs will enhance your learning experience.

24

Mar

2026

Understanding CWE-362: Mitigating Race Condition Vulnerabilities in Software Development

Shubham Saini 212 views

This article delves into the intricacies of CWE-362, focusing on Time-of-Check to Time-of-Use (TOCTOU) race condition vulnerabilities. Understanding these vulnerabilities is crucial for developers to secure their applications against potential exploits. Readers should have a basic understanding of concurrency, thread management, and secure coding practices.

21

Mar

2026

Understanding CWE-20: The Core of Improper Input Validation and Its Impact on Security Vulnerabilities

Shubham Saini 272 views

This article delves into CWE-20, which addresses improper input validation, a critical security concern that leads to numerous vulnerabilities in software applications. Readers will learn about the implications of inadequate input validation, the various methods to implement effective validation, and best practices to mitigate these risks. A solid understanding of input validation principles and techniques is essential for developers and security professionals alike.

25

Sep

2023

Mastering 2-D Arrays in C: A Complete Guide with Examples

Shubham Batra 4,107 views

A two-dimensional (2D) array is an arrangement of items in C that are arranged in a grid and are individually identified by a pair of indices: a row index and a column index. A 2D array can be compared to a table or matrix that has rows and columns. A 2D array in C is declared, initialised, and used as follows:

19

May

2026

Deep Dive into WooCommerce REST API Integration with ASP.NET Core

Shubham Saini 98 views

This post will guide you through the intricacies of integrating WooCommerce's REST API with an ASP.NET Core application, focusing on real-world applications and best practices. Understanding this integration is crucial for developers looking to enhance their eCommerce platforms with robust functionalities. Familiarity with ASP.NET Core and basic REST API concepts is recommended before diving into this tutorial.

25

Aug

2023

How to To Resolve ArithmeticException occur in java

Shubham Batra 3,590 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.

30

Jan

2024

How to refund payment using Paypal in Asp.Net MVC

Shubham Batra 5,821 views

Hello guys, we often want to integrate payment gateways in our Asp.Net applications. Some of the most popular payment gateways are payumoney,paypal,stripe and razorpay. We have already covered payumoney and stripe in our blogs. In this article we will see How to refund payment using Paypal in Asp.Net MVC. For this we will use paypal sale api.

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

Best Practices for Secure Gemini API Integration in ASP.NET

Entity Framework Core Tutorial for Beginners: Mastering Data Access in C#

Maximum request length exceeded

Securing Jira Integration in ASP.NET Core with OAuth 2.0

CWE-522: Insufficiently Protected Credentials - Secure Password Storage with Hashing

Protecting ASP.NET Core Web API Endpoints with JWT Bearer Authentication

Understanding CWE-362: Mitigating Race Condition Vulnerabilities in Software Development

Understanding CWE-20: The Core of Improper Input Validation and Its Impact on Security Vulnerabilities

Mastering 2-D Arrays in C: A Complete Guide with Examples

Deep Dive into WooCommerce REST API Integration with ASP.NET Core

How to To Resolve ArithmeticException occur in java

How to refund payment using Paypal in Asp.Net MVC

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