Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 766 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 1,312 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 370 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 318 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 351 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 904 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 299 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.

20

Mar

2026

Mastering SQL Server Indexes: A Comprehensive Guide to Clustered and Non-Clustered Indexes

Shubham Saini 254 views

This guide delves into the intricacies of clustered and non-clustered indexes in SQL Server, highlighting their importance in optimizing database performance. Understanding these concepts is crucial for database administrators and developers who aim to enhance query efficiency and data retrieval speed. Before diving in, familiarity with basic SQL Server concepts and the importance of database indexing is recommended.

28

Aug

2023

Implicit wait V/s Explicit wait In Java

Shubham Batra 3,803 views

In Selenium WebDriver, both implicit wait and explicit wait are mechanisms to control the timing of interactions with web elements, especially when elements might not be immediately available due to various reasons such as dynamic content loading, AJAX requests, etc. Both techniques help in synchronizing your tests with the actual behavior of the web application.

23

Sep

2023

How to Integrate Linkedin Login With Open Id Connect in Asp.Net MVC

Shubham Batra 8,459 views Watch Video

So, nowadays it is really important while developing applications that users don't have to waste a lot of time trying to register or go inside your web application. So, keeping in mind the need of today's world we have few Social Login available that are getting used mostly. These include Google Login, Linkedin, and Microsoft. In this article we will see How to Integrate Linkedin Login With Open Id Connect in Asp.Net MVC.

31

Mar

2026

A Comprehensive Guide to TypeScript: Enhancing JavaScript Development

Shubham Saini 221 views

Readers will learn the fundamental concepts of TypeScript, its advantages over JavaScript, and how to effectively implement it in projects. Understanding TypeScript is crucial for modern web development, offering static type-checking that helps catch errors early. A basic familiarity with JavaScript is recommended as a prerequisite for this guide.

24

Mar

2026

Understanding CWE-287: Improper Authentication and Its Mitigation Strategies

Shubham Saini 334 views

In this comprehensive guide, readers will explore the intricacies of CWE-287, focusing on common authentication weaknesses and effective fixes. Understanding these vulnerabilities is crucial for securing applications and protecting sensitive user data. Prior knowledge of web application security concepts and basic programming principles will enhance the learning experience.

09

Dec

2023

Input/Output Statements in C++

Shubham Saini 3,718 views

In C++, input and output operations are commonly performed using the Standard Input/Output Library, which includes the <iostream> header. This library provides the 'cin' and 'cout' objects for reading input and displaying output, respectively.

12

Feb

2023

Simple Pagination in Asp.Net MVC

Shubham Batra 8,196 views Watch Video

Hello guys, sometimes in MVC projects we often need to add pagination on client side or server side. In this article we will see how we can implement simple pagination in ASP.NET MVC using jquery.

17

Apr

2026

Automating Accessibility Checks in CI/CD with Python: Strategies for Developers

Shubham Saini 204 views

This blog post delves into the automation of accessibility checks within Continuous Integration and Continuous Deployment (CI/CD) pipelines using Python. Understanding and implementing these strategies is crucial for enhancing user experience and compliance with accessibility standards. Readers should have a basic understanding of Python programming and familiarity with CI/CD concepts.

17

Sep

2022

Countown Timer in Javascript

Shubham Batra 5,349 views

Hello guys, we often need to show countdown timer in js . We will see how we can create countdown time in javascript.

09

Dec

2023

Understanding Constructors in Java: A Complete Guide with Examples

Shubham Saini 3,640 views

Constructor is a special method which is invoked automatically at the time of object creation.

13

Apr

2026

Building a Custom Calendar API Integration in ASP.NET Core

Shubham Saini 274 views

In this post, readers will learn how to create a robust Calendar API integration using ASP.NET Core, focusing on the architecture and implementation details. This integration allows applications to manage events, schedules, and appointments efficiently, addressing the common need for calendar functionalities in modern applications. Prior knowledge of ASP.NET Core and RESTful API concepts will be beneficial.

16

Mar

2026

Understanding Extension Methods in C#: Enhancing Your Code with Ease

Shubham Saini 240 views

In this blog post, you will learn about Extension Methods in C#, a powerful feature that allows you to add new methods to existing types without modifying their source code. We will explore what extension methods are, how to create and use them, and best practices to follow.

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 SQL Server Indexes: A Comprehensive Guide to Clustered and Non-Clustered Indexes

Implicit wait V/s Explicit wait In Java

How to Integrate Linkedin Login With Open Id Connect in Asp.Net MVC

A Comprehensive Guide to TypeScript: Enhancing JavaScript Development

Understanding CWE-287: Improper Authentication and Its Mitigation Strategies

Input/Output Statements in C++

Simple Pagination in Asp.Net MVC

Automating Accessibility Checks in CI/CD with Python: Strategies for Developers

Countown Timer in Javascript

Understanding Constructors in Java: A Complete Guide with Examples

Building a Custom Calendar API Integration in ASP.NET Core

Understanding Extension Methods in C#: Enhancing Your Code with Ease

Trending This Month

Free Developer Tools

Our Community Impact