Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 1,003 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 1,465 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 502 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 440 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 464 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 1,024 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 412 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.

05

Mar

2024

Implement JWT Token Authentication with Validate and Refresh Token in asp.net mvc

Shubham Batra 9,313 views Watch Video

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.

20

Mar

2023

Screen Recording with Audio using JavaScript in ASP.NET MVC

Shubham Batra 7,126 views Watch Video

In this tutorial, you will learn how to create an Screen Recording with Audio using JavaScript MediaRecorder API

31

Mar

2026

A Comprehensive Guide to TypeScript: Enhancing JavaScript Development

Shubham Saini 250 views

Readers will learn the fundamental concepts of TypeScript, its advantages over JavaScript, and how to effectively implement it in projects. Understanding TypeScript is crucial for modern web development, offering static type-checking that helps catch errors early. A basic familiarity with JavaScript is recommended as a prerequisite for this guide.

09

Sep

2023

Parameterised constructor in java

Shubham Batra 3,721 views

A parameterized constructor in Java is a constructor that accepts one or more parameters when creating a class object. These parameters are used to set the values of the object's instance variables.

19

Mar

2026

Understanding CWE-89: SQL Injection - How It Works and How to Prevent It

Shubham Saini 434 views

In this blog post, readers will learn about SQL Injection, a critical security vulnerability categorized as CWE-89. We will explore how it works, its implications, and effective strategies to prevent it in web applications.

07

Jun

2026

CWE-400: Implementing Rate Limiting in ASP.NET Core to Prevent Denial of Service

Shubham Saini 376 views

This article provides a comprehensive guide on implementing rate limiting in ASP.NET Core to mitigate Denial of Service (DoS) vulnerabilities, specifically addressing CWE-400. Readers will learn about the importance of rate limiting, various strategies to implement it, and practical code examples to ensure their applications remain resilient under heavy traffic. A solid understanding of ASP.NET Core middleware and dependency injection is recommended for optimal comprehension.

15

Mar

2026

Understanding Variables, Data Types, and Type Conversion in C#

Shubham Saini 438 views

In this blog post, you'll learn about the fundamental concepts of variables and data types in C#, along with how to perform type conversion. This knowledge is essential for writing efficient and error-free code in any C# application.

08

Jun

2026

CWE-770: Configuring Resource Limits and Request Throttling in ASP.NET Core

Shubham Saini 316 views

This article delves into the critical aspects of CWE-770, focusing on how to effectively configure resource limits and implement request throttling in ASP.NET Core applications. Understanding these concepts is essential for maintaining application stability and performance in high-load scenarios. Readers should have a basic understanding of ASP.NET Core and web application architecture.

18

Apr

2026

Best Practices for Enhancing Accessibility in ASP.NET Web Forms

Shubham Saini 215 views

In this post, readers will learn how to implement accessibility best practices in ASP.NET Web Forms applications to ensure inclusivity for all users. This is essential for compliance with standards like WCAG and for enhancing user experience. Familiarity with ASP.NET Web Forms and basic HTML is recommended for understanding the concepts discussed.

09

Dec

2023

Complete Guide to Using Templates in C++ with Examples

Shubham Saini 3,537 views

Templates in C++ allow you to construct generic code that can deal with multiple data types without having to replicate the code for each one. In C++, templates are fundamental for constructing flexible and reusable classes and functions. In C++, there are two types of templates: function templates and class templates.

26

Mar

2026

Mastering Generics in TypeScript: A Comprehensive Guide

Shubham Saini 318 views

This blog post delves into the powerful concept of generics in TypeScript, illustrating how they enhance type safety and code reusability. Understanding generics is crucial for writing scalable and maintainable applications, especially in large codebases. Readers should have a basic understanding of TypeScript types and interfaces before diving into this topic.

30

Apr

2026

Understanding EF Core Model Mismatch with Actual Database Schema in ASP.NET Core

Shubham Saini 359 views

This article dives into the intricacies of Entity Framework Core (EF Core) model mismatches with the actual database schema, a common issue faced by developers. We will explore the causes of these mismatches, their implications, and how to resolve them effectively. To get the most out of this article, a basic understanding of EF Core and ASP.NET Core is essential.

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

Implement JWT Token Authentication with Validate and Refresh Token in asp.net mvc

Screen Recording with Audio using JavaScript in ASP.NET MVC

A Comprehensive Guide to TypeScript: Enhancing JavaScript Development

Parameterised constructor in java

Understanding CWE-89: SQL Injection - How It Works and How to Prevent It

CWE-400: Implementing Rate Limiting in ASP.NET Core to Prevent Denial of Service

Understanding Variables, Data Types, and Type Conversion in C#

CWE-770: Configuring Resource Limits and Request Throttling in ASP.NET Core

Best Practices for Enhancing Accessibility in ASP.NET Web Forms

Complete Guide to Using Templates in C++ with Examples

Mastering Generics in TypeScript: A Comprehensive Guide

Understanding EF Core Model Mismatch with Actual Database Schema in ASP.NET Core

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