Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 778 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 1,325 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 380 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 328 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 363 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 912 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 315 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

Mar

2026

Leveraging New .NET 10 Features for Modern Applications

Shubham Saini 311 views

In this blog post, we will explore the new features introduced in .NET 10 that enable developers to build modern applications more efficiently. By understanding how to utilize these features, you can enhance performance, streamline development, and improve code maintainability.

13

Aug

2022

Asp.Net Core MVC Publish using FTP

Shubham Batra 9,634 views Watch Video

Publish Website using FTP in Visual Studio If we use FTP (File Transfer Protocol) to publish web applications, we need to enter all credentials provided by the FTP hosting company, and application files will upload directly to our FTP hosting space.

24

Mar

2026

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

Shubham Saini 439 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.

30

Mar

2026

Mastering Functions and Arrow Functions in JavaScript: A Comprehensive Guide

Shubham Saini 176 views

This article delves into the intricacies of functions and arrow functions in JavaScript, exploring their syntax, behavior, and practical applications. Understanding these concepts is crucial for effective JavaScript programming, as they form the backbone of functional programming patterns in the language. Readers should have a basic familiarity with JavaScript syntax and programming concepts.

09

Dec

2023

Complete Guide to Access Modifiers in C# with Examples

Shubham Saini 3,509 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.

23

Dec

2023

Get random number in asp.net C#

Anonymous 4,701 views

Get random number in asp.net C#

17

Apr

2026

SendGrid Email Integration in ASP.NET Core: Mastering Transactional Emails and Templates

Shubham Saini 267 views

This guide provides a comprehensive understanding of integrating SendGrid for transactional emails within ASP.NET Core applications. You'll learn how to set up SendGrid, create email templates, and handle various scenarios that arise in real-world applications. Familiarity with ASP.NET Core and basic email concepts will be beneficial before diving into this tutorial.

27

Aug

2023

java.lang.ArrayIndexOutOfBoundsException in Java

Shubham Batra 4,033 views Watch Video

An ArrayIndexOutOfBoundsException is a runtime exception in Java that happens when you attempt to access an array element with an index that is outside the array's valid range of indices. In other words, you're attempting to access an element in the array at an index that doesn't exist.

29

Dec

2022

JWT Token Authentication And Authorizations In Web API

Shubham Batra 9,085 views Watch Video

JWT Token Authentication And Authorizations In .Net Core Web API

08

Apr

2026

Integrating Entity Framework Core with DB2 in ASP.NET Core Applications

Shubham Saini 427 views

This guide provides a comprehensive exploration of using Entity Framework Core with IBM DB2 in ASP.NET Core applications, detailing the setup, configuration, and best practices. Understanding this integration is crucial for developers looking to leverage the powerful ORM capabilities of EF Core while working with DB2 databases. Familiarity with ASP.NET Core and basic concepts of Entity Framework will be beneficial for readers.

09

Dec

2023

Mastering Arrays in C: Types and Examples Explained

Shubham Saini 3,447 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.

14

Apr

2026

How to Debug Calendar API Integrations in ASP.NET Core Applications

Shubham Saini 227 views

In this comprehensive guide, you will learn effective strategies for debugging Calendar API integrations within ASP.NET Core applications, crucial for ensuring reliable event management functionalities. Understanding these debugging techniques can help you identify issues faster, leading to improved application stability and user satisfaction. Prior knowledge of ASP.NET Core and basic API concepts will be beneficial for following along with the examples and explanations provided.

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

Leveraging New .NET 10 Features for Modern Applications

Asp.Net Core MVC Publish using FTP

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

Mastering Functions and Arrow Functions in JavaScript: A Comprehensive Guide

Complete Guide to Access Modifiers in C# with Examples

Get random number in asp.net C#

SendGrid Email Integration in ASP.NET Core: Mastering Transactional Emails and Templates

java.lang.ArrayIndexOutOfBoundsException in Java

JWT Token Authentication And Authorizations In Web API

Integrating Entity Framework Core with DB2 in ASP.NET Core Applications

Mastering Arrays in C: Types and Examples Explained

How to Debug Calendar API Integrations in ASP.NET Core Applications

Trending This Month

Free Developer Tools

Our Community Impact