Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 108 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 180 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 140 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 115 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 154 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 110 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.

17

Apr

2026

Deep Dive into Semantic HTML for Accessibility in ASP.NET Core

Shubham Saini 106 views

This article explores the fundamental principles of <strong>semantic HTML</> and its critical role in enhancing <strong>accessibility</strong> within ASP.NET Core applications. Understanding semantic HTML not only improves the usability of web applications for users with disabilities but also boosts SEO and maintainability. Readers should have a basic understanding of HTML and ASP.NET Core to fully benefit from this content.

21

Mar

2026

Understanding CWE-338: Weak Pseudo-Random Number Generators and Their Cryptographic Implications

Shubham Saini 295 views

This blog post will delve into CWE-338, focusing on weak pseudo-random number generators (PRNGs) and their critical role in cryptographic security. Understanding the implications of weak PRNGs is essential for developers to ensure the integrity and security of applications. Readers should have a basic understanding of cryptography and programming concepts to fully grasp the content.

16

Jul

2023

Linked List In Java

Shubham Batra 3,580 views

In Java, the LinkedList class implements the List interface and provides a doubly-linked list data structure. It provides a versatile means of storing and manipulating a collection of items. A LinkedList, unlike an ArrayList, uses references to connect components rather than contiguous memory allocation.

12

Nov

2022

Caching in ASP.NET Core using Redis Cache

Shubham Batra 8,394 views Watch Video

Caching in ASP.NET Core using Redis Cache

13

Oct

2022

Owin Authentication in Asp.net MVC Api

Shubham Batra 8,661 views Watch Video

Hello guys now a days while working with api's we have to secure api's using owin autentication. in this article we will learn how to implement owin authentication in Asp.Net MVC Api.

08

May

2026

Integrating Azure Cognitive Search into ASP.NET Core Applications

Shubham Saini 1,204 views

In this post, readers will learn how to integrate Azure Cognitive Search into their ASP.NET Core applications to enhance search capabilities. This integration matters because it allows developers to provide users with powerful and efficient search experiences, addressing common challenges in data retrieval. Readers should be familiar with ASP.NET Core and have an Azure account for resource provisioning.

16

Apr

2026

Securing Your Gmail API Integration in ASP.NET Core Applications

Shubham Saini 132 views

In this comprehensive guide, you will learn how to securely integrate the Gmail API into your ASP.NET Core applications, focusing on authentication, authorization, and best practices. This is crucial for protecting sensitive user data and ensuring compliance with security standards. Familiarity with ASP.NET Core and OAuth 2.0 is recommended to fully grasp the concepts presented.

25

Sep

2023

Mastering 2-D Arrays in C: A Complete Guide with Examples

Shubham Batra 4,140 views

A two-dimensional (2D) array is an arrangement of items in C that are arranged in a grid and are individually identified by a pair of indices: a row index and a column index. A 2D array can be compared to a table or matrix that has rows and columns. A 2D array in C is declared, initialised, and used as follows:

23

Apr

2026

Integrating DocuSign eSignature API with ASP.NET Core for Digital Signatures

Shubham Saini 149 views

In this comprehensive guide, readers will learn how to seamlessly integrate the DocuSign eSignature API into an ASP.NET Core application for managing digital signatures. Understanding this integration is crucial for businesses aiming to streamline their document signing processes and enhance security. Prior knowledge of ASP.NET Core and basic API interaction will be beneficial.

17

Mar

2026

Understanding CWE-190: Integer Overflow and Wraparound in Security

Shubham Saini 190 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.

30

Apr

2026

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

Shubham Saini 208 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.

29

Mar

2026

Mastering Transactions in SQL Server: Understanding COMMIT and ROLLBACK

Shubham Saini 138 views

This blog post delves into transactions in SQL Server, focusing on the COMMIT and ROLLBACK commands. Understanding these concepts is crucial for maintaining data integrity and consistency in multi-user environments. You should have a basic understanding of SQL syntax and relational database concepts before diving in.

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

Deep Dive into Semantic HTML for Accessibility in ASP.NET Core

Understanding CWE-338: Weak Pseudo-Random Number Generators and Their Cryptographic Implications

Linked List In Java

Caching in ASP.NET Core using Redis Cache

Owin Authentication in Asp.net MVC Api

Integrating Azure Cognitive Search into ASP.NET Core Applications

Securing Your Gmail API Integration in ASP.NET Core Applications

Mastering 2-D Arrays in C: A Complete Guide with Examples

Integrating DocuSign eSignature API with ASP.NET Core for Digital Signatures

Understanding CWE-190: Integer Overflow and Wraparound in Security

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

Mastering Transactions in SQL Server: Understanding COMMIT and ROLLBACK

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