Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 818 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 1,347 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 405 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 345 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 378 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 933 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 330 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.

04

Apr

2026

Best Practices for Securing Grok API Integrations in ASP.NET

Shubham Saini 907 views

This guide will delve into best practices for securing Grok API integrations in ASP.NET, emphasizing the importance of robust security measures. Understanding these practices is crucial for protecting sensitive data and ensuring reliable application performance. Familiarity with ASP.NET core concepts and API development is recommended to maximize the learning experience.

21

May

2026

Integrating FastReport in ASP.NET Core for Dynamic Reporting and PDF Export

Shubham Saini 281 views

This detailed guide covers the integration of FastReport in ASP.NET Core applications, focusing on generating dynamic reports and exporting them to PDF. Understanding this integration is crucial for developers needing robust reporting solutions that seamlessly fit into modern web applications. Readers should have a basic understanding of ASP.NET Core and C# to fully grasp the concepts discussed.

09

Dec

2023

Mastering Functions in C++: A Complete Guide with Examples

Shubham Saini 4,109 views

Because there are no library functions with predetermined definitions, a user-defined function is one that is written by the user when writing any application. To fulfill the user's individual needs, the user must create his or her own functions. Such functions must be appropriately defined by the user. There is no such necessity to include any specific library in the program.

22

Apr

2026

Handling Wrong Content-Type Header in ASP.NET Core API

Shubham Saini 267 views

This article delves into the importance of correctly setting the Content-Type header in ASP.NET Core APIs, explaining the implications of incorrect headers on data processing and client-server communication. Readers will learn about common pitfalls, troubleshooting techniques, and best practices to ensure their APIs function as intended. A foundational understanding of HTTP headers and ASP.NET Core's middleware is recommended for optimal comprehension.

23

Apr

2026

Integrating PayU Payment Gateway in ASP.NET Core: A Comprehensive Guide

Shubham Saini 327 views

This guide provides an exhaustive overview of integrating the PayU payment gateway within an ASP.NET Core application, detailing each step involved in the process. Understanding this integration is crucial for developers looking to implement secure and efficient payment solutions in their applications. Prior knowledge of ASP.NET Core and basic familiarity with payment gateway concepts will be beneficial.

29

Nov

2023

Error-An error occurred while processing your request in .Net core IIS

Shubham Saini 11,954 views Watch Video

Hello guys we will see how to fix Error An error occurred while processing your request.Swapping to Development environment will display more detailed information about the error that occurred.The Development environment shouldn't be enabled for deployed applications. It can result in displaying sensitive information from exceptions to end users. For local debugging, enable the Development environment by setting the ASPNETCORE_ENVIRONMENT environment variable to Development. In asp.net core IIS

15

Apr

2026

Synchronizing Events with Outlook Calendar API in ASP.NET Core

Shubham Saini 252 views

In this article, readers will learn how to leverage the Outlook Calendar API to synchronize events within an ASP.NET Core application, enhancing productivity and collaboration. Understanding this integration is crucial for developers looking to create seamless calendar experiences in modern applications. Prior knowledge of ASP.NET Core and RESTful services will be beneficial for readers.

06

Apr

2026

Integrating ASP.NET Core Identity with NHibernate for Robust User Management

Shubham Saini 226 views

This tutorial provides a comprehensive guide on integrating ASP.NET Core Identity with NHibernate for effective user management. Understanding this integration is crucial for modern web applications that require scalable and secure authentication and authorization mechanisms. Readers should be familiar with C#, ASP.NET Core basics, and the fundamental concepts of NHibernate ORM.

07

Jun

2026

CWE-778: Implementing Security Audit Logging in ASP.NET Core with Serilog and Seq

Shubham Saini 247 views

This article explores the implementation of security audit logging in ASP.NET Core applications using Serilog and Seq. Understanding how to track and log security events is critical for identifying potential vulnerabilities and ensuring compliance with security standards. Readers should have a basic knowledge of ASP.NET Core, logging concepts, and familiarity with NuGet packages.

18

Jun

2023

Using Ajax Beginform in Asp.Net MVC

Shubham Batra 7,794 views Watch Video

Hello guys , while using Asp.Net Application sometimes we need to save data without refreshing the page and still we need to submit the form. We can achieve that using Ajax beginform. We will see how to use Ajax Beginform in Asp.Net MVC.

16

Feb

2023

Calling Web api from Server Side using Asp.Net Core

Shubham Batra 8,009 views Watch Video

Hello guys, sometimes we need to consume web api from c# or Asp.Net core.So in this article we will see Calling Web api from Server Side using Asp.Net Core . We will use HttpClient for this.

08

Apr

2026

Integrating Entity Framework Core with DB2 in ASP.NET Core Applications

Shubham Saini 430 views

This guide provides a comprehensive exploration of using Entity Framework Core with IBM DB2 in ASP.NET Core applications, detailing the setup, configuration, and best practices. Understanding this integration is crucial for developers looking to leverage the powerful ORM capabilities of EF Core while working with DB2 databases. Familiarity with ASP.NET Core and basic concepts of Entity Framework will be beneficial for readers.

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 Securing Grok API Integrations in ASP.NET

Integrating FastReport in ASP.NET Core for Dynamic Reporting and PDF Export

Mastering Functions in C++: A Complete Guide with Examples

Handling Wrong Content-Type Header in ASP.NET Core API

Integrating PayU Payment Gateway in ASP.NET Core: A Comprehensive Guide

Error-An error occurred while processing your request in .Net core IIS

Synchronizing Events with Outlook Calendar API in ASP.NET Core

Integrating ASP.NET Core Identity with NHibernate for Robust User Management

CWE-778: Implementing Security Audit Logging in ASP.NET Core with Serilog and Seq

Using Ajax Beginform in Asp.Net MVC

Calling Web api from Server Side using Asp.Net Core

Integrating Entity Framework Core with DB2 in ASP.NET Core Applications

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