Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 329 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 1,083 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 233 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 186 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 211 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 585 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 175 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.

19

Apr

2026

Securing Jira Integration in ASP.NET Core with OAuth 2.0

Shubham Saini 293 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.

10

Mar

2026

Understanding Arrays in C Programming: A Beginner's Guide

Shubham Saini 376 views

In this blog post, you will learn about arrays in C programming, including their definition, declaration, initialization, and how to manipulate them. By the end, you will have a solid understanding of arrays and their significance in programming with C.

23

Mar

2026

CWE-400: Uncontrolled Resource Consumption - Mitigating Denial of Service Vulnerabilities

Shubham Saini 261 views

This article delves into the intricacies of CWE-400, focusing on how uncontrolled resource consumption can lead to Denial of Service (DoS) vulnerabilities. Understanding these concepts is crucial for developers and security engineers to build resilient applications. Familiarity with basic programming and security principles will enhance your grasp of the topics covered.

24

Mar

2026

Implementing Custom Middleware in ASP.NET Core: A Comprehensive Guide

Shubham Saini 201 views

This blog post will provide an in-depth understanding of creating custom middleware in ASP.NET Core, explaining its importance in request processing and how it can enhance application functionality. Readers will learn about various use cases, coding examples, and best practices to implement middleware effectively. Familiarity with ASP.NET Core and C# is recommended before diving into this topic.

06

Apr

2026

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

Shubham Saini 166 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.

01

Apr

2026

Mastering CSS Flexbox: A Comprehensive Guide to Responsive Layouts

Shubham Saini 176 views

This tutorial delves into CSS Flexbox, a powerful layout model that simplifies the creation of responsive web designs. Understanding Flexbox is crucial for modern web development as it allows for efficient alignment and distribution of space among items in a container. Familiarity with basic HTML and CSS is necessary to fully grasp the concepts discussed herein.

17

Mar

2026

Understanding CWE-502: Deserialization of Untrusted Data - Attacks and Mitigations

Shubham Saini 271 views

In this blog post, we will explore the concept of CWE-502, which addresses the vulnerabilities associated with deserializing untrusted data. Readers will learn about the potential attacks, real-world examples, and effective mitigation strategies to protect applications.

13

Apr

2026

Building a Custom Calendar API Integration in ASP.NET Core

Shubham Saini 219 views

In this post, readers will learn how to create a robust Calendar API integration using ASP.NET Core, focusing on the architecture and implementation details. This integration allows applications to manage events, schedules, and appointments efficiently, addressing the common need for calendar functionalities in modern applications. Prior knowledge of ASP.NET Core and RESTful API concepts will be beneficial.

22

Feb

2026

AssisticaAI: The Fast Way to Add Website Support Chat

Shubham Batra 368 views

AssisticaAI is a support chat widget built for companies that want to integrate fast, friendly help directly on their websites. Instead of sending visitors to email forms or separate help pages, the widget keeps assistance on the page where questions happen. With a lightweight install and simple customization, teams can launch live chat in minutes, match the widget to their brand, and make support feel immediate. Visitors get quick answers, and businesses see fewer abandoned session

23

Jun

2022

Import Excel in Asp.net MVC using OLE DB

Shubham Batra 10,304 views Watch Video

Hello guys, sometimes we need to import data from excel file in asp.net MVC using OLE DB. So we will use OLE DB Connection for that as that is really fast and effective while reading large excel files. You can check the steps on using that with asp.net MVC project.

01

Jun

2026

CWE-306: Securing Sensitive ASP.NET Core Endpoints with Authentication Middleware

Shubham Saini 157 views

This article explores the concept of CWE-306, focusing on securing sensitive ASP.NET Core endpoints using authentication middleware. Understanding and implementing proper authentication are crucial for protecting sensitive data and ensuring that only authorized users have access to certain functionalities. Readers should have a basic understanding of ASP.NET Core and middleware concepts to fully grasp the implementation details.

03

Dec

2022

Web Api in Asp.net core

Shubham Batra 5,631 views Watch Video

Hello guys, now a days we often have to use web api's in our Asp.Net core projects. In this article we will see how to create web api in asp.net core. We will create HttpGet,HttpPut,HttpPost and HttpDelete api's and see how to test them.

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

Securing Jira Integration in ASP.NET Core with OAuth 2.0

Understanding Arrays in C Programming: A Beginner's Guide

CWE-400: Uncontrolled Resource Consumption - Mitigating Denial of Service Vulnerabilities

Implementing Custom Middleware in ASP.NET Core: A Comprehensive Guide

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

Mastering CSS Flexbox: A Comprehensive Guide to Responsive Layouts

Understanding CWE-502: Deserialization of Untrusted Data - Attacks and Mitigations

Building a Custom Calendar API Integration in ASP.NET Core

AssisticaAI: The Fast Way to Add Website Support Chat

Import Excel in Asp.net MVC using OLE DB

CWE-306: Securing Sensitive ASP.NET Core Endpoints with Authentication Middleware

Web Api in Asp.net core

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