Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 110 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 185 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 141 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 121 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 119 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 166 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 113 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.

16

Mar

2026

Mastering LINQ in C#: A Comprehensive Guide to Language Integrated Query

Shubham Saini 124 views

In this blog post, readers will learn about LINQ (Language Integrated Query) in C#, including its syntax, usage, and best practices. By the end, developers will be equipped to utilize LINQ to write cleaner and more efficient code when querying collections.

19

Mar

2026

Leveraging AI for SEO Optimization in Python

Shubham Saini 132 views

In this blog post, we will explore how to harness the power of AI to enhance SEO strategies using Python. You'll learn about various techniques, including keyword analysis, content optimization, and link-building strategies, all powered by AI.

20

Mar

2026

CWE-915: Mass Assignment Vulnerability - Securing Object Binding in Web APIs

Shubham Saini 178 views

This post explores CWE-915, a critical mass assignment vulnerability that can expose web APIs to unauthorized data manipulation. Understanding this vulnerability is essential for developers aiming to secure their applications against potential attacks. Readers should have a basic understanding of web APIs and object-oriented programming concepts.

23

May

2026

Leveraging Terraform for ASP.NET Core Applications on Azure: A Comprehensive Guide to Infrastructure as Code

Shubham Saini 92 views

This article provides an in-depth exploration of using Terraform to manage Azure resources for ASP.NET Core applications, detailing the principles of Infrastructure as Code (IaC) and its real-world applications. Understanding Terraform's capabilities can streamline deployment processes, enhance scalability, and improve collaboration among development teams. Readers should be familiar with ASP.NET Core basics and have an Azure account to follow along effectively.

07

May

2026

Integrating OpenAI DALL-E Image Generation in ASP.NET Core Applications

Shubham Saini 109 views

This blog post will explore the integration of OpenAI's DALL-E image generation capabilities into ASP.NET Core applications. Understanding this integration can enhance your application's user experience by providing dynamic image generation based on textual descriptions. Readers should have a basic understanding of ASP.NET Core and RESTful APIs to follow along effectively.

17

Mar

2026

Understanding CWE-190: Integer Overflow and Wraparound in Security

Shubham Saini 191 views

In this blog post, we will explore the concept of Integer Overflow and Wraparound, classified as CWE-190. We will discuss its implications in software security, provide working code examples, and highlight best practices to mitigate these vulnerabilities.

24

Apr

2026

Integrating HubSpot CRM with ASP.NET Core: Managing Contacts, Deals, and Automating Emails

Shubham Saini 167 views

In this comprehensive guide, readers will learn how to integrate HubSpot CRM with ASP.NET Core applications, focusing on managing contacts, deals, and automating email communications effectively. Understanding this integration is critical for enhancing customer relationship management and improving sales processes. Prior knowledge of ASP.NET Core and basic API interaction will be beneficial for following along.

31

Aug

2023

How to get visitors location like country and city

Shubham Batra 4,294 views Watch Video

Hello guys in this video we will see how we can get visitors location information like country and city using simple javascript code. We will see how to do that.

11

Jul

2022

Model Validation In ASP.NET Core MVC 6.0

Shubham Batra 8,141 views

Model Validation In ASP.NET Core MVC 6.0

24

Mar

2026

CWE-125: Out-of-Bounds Read - Detecting and Preventing Memory Read Vulnerabilities

Shubham Saini 283 views

This post delves into CWE-125, focusing on Out-of-Bounds Read vulnerabilities in memory management. Understanding these vulnerabilities is crucial for developers aiming to enhance application security and prevent potential exploits. Familiarity with C/C++ programming and basic memory management concepts will help readers grasp the intricacies discussed here.

02

Jun

2026

CWE-347: Secure JWT Token Validation in ASP.NET Core Web API

Shubham Saini 133 views

In this blog post, readers will learn how to securely validate JSON Web Tokens (JWTs) in ASP.NET Core Web APIs while adhering to best practices and avoiding common pitfalls. This topic is crucial for developers looking to implement secure authentication and authorization mechanisms in their applications. A solid understanding of JWT structure, security implications, and the ASP.NET Core authentication framework is recommended before diving in.

20

May

2023

Child internet safety

Shubham Batra 4,499 views

Child internet safety refers to the precautions, guidelines, and measures taken to protect children from potential dangers and risks associated with their use of the internet and online platforms. As children increasingly access the internet for educational, entertainment, and social purposes, it becomes essential to ensure their online safety. Here are some key aspects of child internet safety:

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

Mastering LINQ in C#: A Comprehensive Guide to Language Integrated Query

Leveraging AI for SEO Optimization in Python

CWE-915: Mass Assignment Vulnerability - Securing Object Binding in Web APIs

Leveraging Terraform for ASP.NET Core Applications on Azure: A Comprehensive Guide to Infrastructure as Code

Integrating OpenAI DALL-E Image Generation in ASP.NET Core Applications

Understanding CWE-190: Integer Overflow and Wraparound in Security

Integrating HubSpot CRM with ASP.NET Core: Managing Contacts, Deals, and Automating Emails

How to get visitors location like country and city

Model Validation In ASP.NET Core MVC 6.0

CWE-125: Out-of-Bounds Read - Detecting and Preventing Memory Read Vulnerabilities

CWE-347: Secure JWT Token Validation in ASP.NET Core Web API

Child internet safety

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