Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 687 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 1,189 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 298 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 254 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 277 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 838 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 242 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.

24

Apr

2026

Integrating ActiveCampaign Marketing Automation with ASP.NET Core: A Comprehensive Guide

Shubham Saini 219 views

This guide will teach you how to effectively integrate ActiveCampaign's marketing automation capabilities into your ASP.NET Core applications. Understanding this integration is crucial for enhancing customer engagement and automating marketing tasks efficiently. Before diving in, familiarity with ASP.NET Core, RESTful APIs, and basic marketing concepts is beneficial.

07

Jun

2026

CWE-532: Secure Logging in ASP.NET Core - Avoiding Sensitive Data in Logs with Serilog

Shubham Saini 193 views

In this comprehensive guide, you will learn how to implement secure logging practices in ASP.NET Core applications using Serilog, specifically focusing on avoiding sensitive data in logs. Understanding and mitigating the risks associated with logging sensitive information is crucial for maintaining application security and compliance with data protection regulations. Before diving in, it's essential to have a basic understanding of ASP.NET Core, logging mechanisms, and the Serilog library.

09

Dec

2023

Complete Guide to Access Modifiers in C# with Examples

Shubham Saini 3,491 views

Access modifiers in C# are used to specify the scope of accessibility of a member of a class or type of the class itself.

01

Jun

2026

Implementing Least Privilege with ASP.NET Core Authorization Policies to Mitigate CWE-269 Risks

Shubham Saini 178 views

This article delves into the implementation of the Least Privilege principle through ASP.NET Core Authorization Policies, addressing the security concerns outlined in CWE-269. Understanding how to effectively limit user permissions is essential for protecting web applications against unauthorized access and data breaches. Prior knowledge of ASP.NET Core basics and role-based access control will be beneficial for readers.

20

Mar

2026

CWE-614: Missing Secure Cookie Attribute - Ensuring HTTPS Cookie Security

Shubham Saini 304 views

In this comprehensive guide, readers will learn about the CWE-614 vulnerability, its implications for web security, and best practices for implementing secure cookies. This topic is crucial for developers looking to safeguard sensitive information transmitted via cookies. A foundational understanding of HTTP cookies and web security principles is recommended before diving in.

16

Mar

2026

Understanding Records and Pattern Matching in C# 9 and Above

Shubham Saini 200 views

In this blog post, we will explore the new features of Records and Pattern Matching introduced in C# 9 and above. These features provide a modern approach to defining data structures and make it easier to write expressive and readable code.

02

Nov

2020

Payumoney Integration With Asp.Net MVC

Shubham Batra 23,765 views Watch Video

PayU or PayuMoney is the fastest growing Payment Gateway in India that supports all major banks and credit/debit card for payment settlement. PayUMoney provides support to enterprise user on behalf of PayUbiz Payment Gateway. As PayuBiz support more number of service then Payumoney.

08

Jun

2026

CWE-732: Securing File and Resource Permissions in ASP.NET Core Hosted Applications

Shubham Saini 165 views

Readers will learn the intricacies of securing file and resource permissions in ASP.NET Core applications, focusing on CWE-732 vulnerabilities. Understanding these concepts is crucial for safeguarding applications against unauthorized access and ensuring compliance with security best practices. A foundational knowledge of ASP.NET Core and basic security principles is recommended before diving into this topic.

24

May

2026

Integrating Twitter X API v2 with ASP.NET Core: Tweets and Streaming

Shubham Saini 170 views

This guide will walk you through integrating the Twitter X API v2 into an ASP.NET Core application, focusing on fetching tweets and using streaming features. Understanding this integration is crucial for building applications that interact with real-time social media data. Prior knowledge of ASP.NET Core and basic REST API usage will be beneficial.

14

Mar

2026

Mastering Recursion in C Programming: A Comprehensive Guide

Shubham Saini 272 views

In this blog post, readers will explore the concept of recursion in C programming. They will learn how to implement recursive functions, understand the mechanics behind recursion, and discover common pitfalls to avoid.

21

Mar

2026

Understanding CWE-20: The Core of Improper Input Validation and Its Impact on Security Vulnerabilities

Shubham Saini 344 views

This article delves into CWE-20, which addresses improper input validation, a critical security concern that leads to numerous vulnerabilities in software applications. Readers will learn about the implications of inadequate input validation, the various methods to implement effective validation, and best practices to mitigate these risks. A solid understanding of input validation principles and techniques is essential for developers and security professionals alike.

19

Apr

2026

Best Practices for Jira Integration in ASP.NET Core Applications

Shubham Saini 250 views

This comprehensive guide delves into the best practices for integrating Jira with ASP.NET Core applications, ensuring seamless project management and issue tracking. Understanding these practices allows developers to create efficient workflows, enhance collaboration, and improve productivity. Before diving in, familiarity with ASP.NET Core and basic API concepts 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

Integrating ActiveCampaign Marketing Automation with ASP.NET Core: A Comprehensive Guide

CWE-532: Secure Logging in ASP.NET Core - Avoiding Sensitive Data in Logs with Serilog

Complete Guide to Access Modifiers in C# with Examples

Implementing Least Privilege with ASP.NET Core Authorization Policies to Mitigate CWE-269 Risks

CWE-614: Missing Secure Cookie Attribute - Ensuring HTTPS Cookie Security

Understanding Records and Pattern Matching in C# 9 and Above

Payumoney Integration With Asp.Net MVC

CWE-732: Securing File and Resource Permissions in ASP.NET Core Hosted Applications

Integrating Twitter X API v2 with ASP.NET Core: Tweets and Streaming

Mastering Recursion in C Programming: A Comprehensive Guide

Understanding CWE-20: The Core of Improper Input Validation and Its Impact on Security Vulnerabilities

Best Practices for Jira Integration in ASP.NET Core Applications

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