Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 536 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 1,113 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 263 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 209 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 245 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 691 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 209 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.

18

Mar

2026

Understanding CWE-732: Incorrect Permission Assignment in Security

Shubham Saini 334 views

In this blog post, we will explore CWE-732, which involves incorrect permission assignments that can compromise critical resources in software applications. Understanding and mitigating these vulnerabilities is essential for maintaining secure systems and protecting sensitive data.

15

Jan

2023

Implement RazorPay Payment Gateway in Asp.net MVC

Shubham Batra 19,970 views Watch Video

This tutorial demonstrates how to accept payments with RazorPay Checkout in an ASP.NET MVC application built with C# . The application uses Checkout to accept payments from card and upi and demonstrates step by step tutorial.

31

Dec

2022

Master Java Type Casting: A Complete Guide with Examples

Shubham Batra 6,653 views

Java Type Casting

09

Dec

2023

Mastering the foreach Loop in C#: A Complete Guide with Examples

Shubham Saini 3,486 views

The foreach loop in C# executes a block of code on each element in an array or a collection of items. When executing foreach loop it traversing items in a collection or an array. The foreach loop is useful for traversing each item in an array or a collection of items and displayed one by one. the foreach loop when working with arrays and collections to iterate through the items of arrays/collections. The foreach loop iterates through each item hence called foreach loop.

12

Jun

2021

Zoom C# Wrapper Integration

Shubham Batra 12,905 views

Hello guys, in this article we will learn how to integrate zoom c# wrapper in .Net. You can download the sample code from zoom official website . And after that follow this article for zoom integration in windows C# project.

20

Apr

2026

Understanding and Resolving Circular Dependency Errors in ASP.NET Core Dependency Injection

Shubham Saini 237 views

Readers will learn about the intricacies of circular dependency errors in ASP.NET Core's Dependency Injection (DI) system, why they occur, and how to effectively resolve them. Understanding these concepts is crucial for building scalable and maintainable applications. A basic knowledge of ASP.NET Core's DI framework and service lifetimes is recommended.

11

Jun

2022

Changing sfgrid datasource does not work in Blazor

Shubham Batra 6,046 views

Hello guys, in this article we will discuss a issue that we face when we use sfgrid in Blazor. So sometimes while using SfGrid when we want to refresh data source of grid with different schema it doesn't refresh properly. We will see how to fix the issue Changing sfgrid datasource does not work in Blazor.

11

Apr

2026

Using Dapper with ASP.NET Core: A Comprehensive Step-By-Step Guide

Shubham Saini 222 views

In this guide, readers will learn how to effectively use Dapper, a lightweight ORM for .NET, within an ASP.NET Core application. Understanding Dapper's capabilities will enhance data access efficiency and performance in your applications. A basic knowledge of C#, ASP.NET Core, and SQL databases is required to follow along.

15

Aug

2021

Real Time Chat using SignalR with .Net core and Vue.js

Shubham Batra 6,404 views

Hello guys, We often found ourself in the need of a realtime chat app . For two way communication in your webapp. We will see how to implement real time chat using SignalR with .Net core and Vue.js. SignalR is basically used for any sort of realtime functionalities. We will use .Net core for managing chathub . You can see complete steps in the article.

19

Apr

2026

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

Shubham Saini 216 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.

01

Aug

2023

How to implement JWT Token in Asp.Net core 7

Shubham Batra 7,729 views Watch Video

Hello, readers, and welcome to Code2Night! In this blog post, we will focus on the latter and explore how to implement JWT Token Authentication in ASP.NET Core 7.0 Web api and .net core 7 web application. So we will see how we will generate jwt token and how we will verify the token using authorize attribute.

10

Apr

2026

Integrating Python with SQL: A Deep Dive into ORM Techniques Using SQLAlchemy

Shubham Saini 240 views

In this comprehensive guide, readers will explore how to leverage Object-Relational Mapping (ORM) techniques in Python using SQLAlchemy to interact with SQL databases efficiently. Understanding ORM is crucial for developers looking to streamline database operations and enhance code maintainability. A solid foundation in Python and SQL is recommended for better comprehension of the concepts discussed.

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

Understanding CWE-732: Incorrect Permission Assignment in Security

Implement RazorPay Payment Gateway in Asp.net MVC

Master Java Type Casting: A Complete Guide with Examples

Mastering the foreach Loop in C#: A Complete Guide with Examples

Zoom C# Wrapper Integration

Understanding and Resolving Circular Dependency Errors in ASP.NET Core Dependency Injection

Changing sfgrid datasource does not work in Blazor

Using Dapper with ASP.NET Core: A Comprehensive Step-By-Step Guide

Real Time Chat using SignalR with .Net core and Vue.js

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

How to implement JWT Token in Asp.Net core 7

Integrating Python with SQL: A Deep Dive into ORM Techniques Using SQLAlchemy

Trending This Month

Free Developer Tools

Our Community Impact