Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 112 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 194 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 147 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 125 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 122 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 199 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 119 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.

09

Dec

2023

Mastering Arrays in C: Types and Examples Explained

Shubham Saini 3,319 views

In C, an array is a collection of elements of the same data type, stored in contiguous memory locations. An index is used to access the elements of an array.

13

Mar

2026

Understanding Preprocessor Directives in C: A Beginner's Guide

Shubham Saini 180 views

In this blog post, we will explore the concept of preprocessor directives in C, their significance, and how they can be effectively used in your programs. By the end of this tutorial, you will have a solid understanding of how to leverage these directives to enhance your coding efficiency.

05

Aug

2020

Exception Handling Asp.Net Core

Shubham Batra 21,318 views

Error Handling in Asp.Net Core has changed a bit from what we used to use in Asp.Net Mvc. Before .Net Core We used to use OnException Methods to handle Exceptions while executing actions But it doesn't' see working in .Net Core as many features are changed.So In this Article we will see how to make exception handling work in Asp.Net Core.

02

Jan

2022

FCM Mobile notifications for IOS using Asp.Net

Shubham Batra 7,702 views

Hello friends, as per being a .net developer we often have situations of Sending FCM Mobile Notification in Asp.net for IOS. So we will see all steps for sending notifications for IOS using Asp.Net core.

27

Apr

2026

AWS SNS SMS Integration in ASP.NET Core: Implementing Bulk SMS and Push Notifications

Shubham Saini 125 views

This tutorial delves into the integration of AWS Simple Notification Service (SNS) for sending SMS notifications in an ASP.NET Core application, focusing on bulk SMS and push notifications. Understanding this integration is crucial for developers looking to enhance user engagement through effective communication channels. Prior knowledge of ASP.NET Core and AWS services will be beneficial as we navigate through the implementation.

01

Apr

2026

Comprehensive Guide to SQL Server Backup and Restore: Strategies, Techniques, and Best Practices

Shubham Saini 144 views

This guide provides an exhaustive understanding of SQL Server backup and restore processes, essential for data protection and recovery strategies. It matters because effective backup solutions can prevent data loss and ensure business continuity. Prior knowledge of SQL Server and basic database concepts is beneficial for maximizing comprehension.

28

Apr

2026

CWE-330: Generating Cryptographically Secure Random Values in ASP.NET Core

Shubham Saini 162 views

This blog post delves into the critical topic of generating cryptographically secure random values in ASP.NET Core, addressing the vulnerabilities and risks associated with inadequate randomness. Understanding this concept is essential for developers working with security-sensitive applications, as it impacts secure token creation, password generation, and more. Familiarity with the basics of cryptography and ASP.NET Core is beneficial but not strictly required.

20

Mar

2026

Understanding CWE-643: XPath Injection - Attacking and Securing XML Query Interfaces

Shubham Saini 178 views

This article delves into the intricacies of XPath Injection, a critical security vulnerability in XML query interfaces. Readers will learn about its mechanisms, implications, and how to effectively mitigate such risks. A firm grasp of XML, XPath, and basic web application security principles will be beneficial.

02

Apr

2026

Mastering Forms and Controlled Components in React: A Deep Dive

Shubham Saini 147 views

In this post, readers will gain a comprehensive understanding of forms and controlled components in React. This knowledge is crucial for building interactive user interfaces that handle user input effectively. A basic familiarity with React components and state management is recommended as a prerequisite.

25

Mar

2026

Mastering Machine Learning Basics with Python and Scikit-learn

Shubham Saini 112 views

This tutorial provides a comprehensive understanding of the fundamentals of Machine Learning using Python and the Scikit-learn library. By the end, you will be equipped with the knowledge to implement basic machine learning algorithms and apply them to real-world problems. A foundational understanding of Python programming and basic statistics is recommended to maximize your learning experience.

24

Mar

2026

CWE-787: Out-of-Bounds Write - Understanding Memory Corruption Vulnerabilities

Shubham Saini 270 views

This comprehensive guide delves into the nuances of CWE-787, focusing on Out-of-Bounds Write vulnerabilities that lead to memory corruption. Understanding these vulnerabilities is crucial for developers to secure their applications against potential exploits. Prior knowledge of memory management and C/C++ programming will enhance comprehension of this topic.

11

May

2026

Integrating Apache Kafka with ASP.NET Core for High-Throughput Event Streaming

Shubham Saini 139 views

This article delves into the integration of Apache Kafka with ASP.NET Core, focusing on high-throughput event streaming capabilities. Understanding this integration is crucial for building scalable applications that require real-time data processing. Readers should have a basic understanding of ASP.NET Core and event-driven architectures.

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 Arrays in C: Types and Examples Explained

Understanding Preprocessor Directives in C: A Beginner's Guide

Exception Handling Asp.Net Core

FCM Mobile notifications for IOS using Asp.Net

AWS SNS SMS Integration in ASP.NET Core: Implementing Bulk SMS and Push Notifications

Comprehensive Guide to SQL Server Backup and Restore: Strategies, Techniques, and Best Practices

CWE-330: Generating Cryptographically Secure Random Values in ASP.NET Core

Understanding CWE-643: XPath Injection - Attacking and Securing XML Query Interfaces

Mastering Forms and Controlled Components in React: A Deep Dive

Mastering Machine Learning Basics with Python and Scikit-learn

CWE-787: Out-of-Bounds Write - Understanding Memory Corruption Vulnerabilities

Integrating Apache Kafka with ASP.NET Core for High-Throughput Event Streaming

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