Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 1,081 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 1,530 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 575 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 495 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 516 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 1,096 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 462 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

Understanding CWE-384: Session Fixation Attacks and Their Prevention

Shubham Saini 369 views

Readers will explore the nuances of session fixation attacks, how they can compromise web applications, and the best practices to mitigate such risks. Understanding session fixation is crucial for developers and security professionals alike, as it directly impacts user authentication and session management. A foundational knowledge of web security principles and session management techniques will be beneficial for diving into this topic.

28

May

2026

CWE-79: Preventing Cross-Site Scripting (XSS) in ASP.NET Core MVC and Razor Pages

Shubham Saini 512 views

This article will thoroughly explore the concept of Cross-Site Scripting (XSS) vulnerabilities as defined by CWE-79, focusing on prevention techniques in ASP.NET Core MVC and Razor Pages. Understanding and mitigating XSS is crucial for maintaining secure web applications, as it directly impacts user data and application integrity. Readers should have a foundational understanding of ASP.NET Core and web security principles to fully benefit from this discussion.

16

Mar

2026

Understanding Variables, Data Types, and Operators in Java: A Comprehensive Guide

Shubham Saini 205 views

In this blog post, we will explore the fundamental concepts of variables, data types, and operators in Java. Understanding these core elements is crucial for writing effective Java programs and ensuring that your code is both efficient and error-free.

31

Mar

2026

Mastering SQL Server: SELECT WHERE and ORDER BY Clauses Explained

Shubham Saini 387 views

This post delves into the intricate workings of the SELECT, WHERE, and ORDER BY clauses in SQL Server, providing a comprehensive understanding of their roles in data manipulation. Mastering these clauses is crucial for effective querying and data retrieval, which are foundational skills for any database professional. A basic understanding of SQL syntax and relational database concepts is beneficial before diving into the details.

16

Mar

2026

Understanding Interfaces and Abstract Classes in Java: A Comprehensive Guide

Shubham Saini 268 views

In this blog post, we will explore the concepts of interfaces and abstract classes in Java, two fundamental building blocks of object-oriented programming. You will learn how to effectively use both to create flexible and maintainable code.

09

Dec

2023

Understanding Destructors in C#: A Complete Guide with Examples

Shubham Saini 3,479 views

Destructor is opposite of constructor.It is used to destructs automatically the instance of the constructor class.it is defined one time in the class.

20

Jul

2022

Task Scheduler in Asp.Net core

Shubham Batra 18,317 views Watch Video

Hello guys often when working in Asp.Net core application , we sometimes need to schedule some process or task on regular interval. So we will see how to create task scheduler in Asp.Net core for recurring jobs.

26

Apr

2022

How to Auto Redirect from HTTP To HTTPS IN Asp.Net using Web Config

Shubham Batra 11,690 views

Hello guys , sometimes while working with Asp.Net web application. We often found that web site is loaded in http:// and then we have to manually changes the url to https:// to make it work. So for avoiding manual workk, we will see how to auto redirect from HTTP to HTTPS In Asp.Net using Web Config

10

Jul

2023

Climbing the Career Ladder: Advancement Opportunities in Software Engineering

Shubham Batra 10,393 views

In the technologically driven era we live in, software engineering stands not just as a profession but as a dynamic and vibrant journey. This journey is filled with opportunities for continuous learning, growth, and professional advancement. For those who dare to delve into its intricacies and navigate its challenges, software engineering offers numerous routes to personal and professional development.

20

Mar

2026

CWE-915: Mass Assignment Vulnerability - Securing Object Binding in Web APIs

Shubham Saini 353 views

This post explores CWE-915, a critical mass assignment vulnerability that can expose web APIs to unauthorized data manipulation. Understanding this vulnerability is essential for developers aiming to secure their applications against potential attacks. Readers should have a basic understanding of web APIs and object-oriented programming concepts.

09

Dec

2023

Complete Guide to Access Modifiers in C# with Examples

Shubham Saini 3,598 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.

11

Mar

2024

Sending Calendar Events Using .ICS File in ASP.NET

Shubham Batra 7,149 views Watch Video

In this article, we'll explore how to send calendar events via email using .ICS files in an ASP.NET application. We'll walk through the process step-by-step and explain the provided code snippet along the way.

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

Understanding CWE-384: Session Fixation Attacks and Their Prevention

CWE-79: Preventing Cross-Site Scripting (XSS) in ASP.NET Core MVC and Razor Pages

Understanding Variables, Data Types, and Operators in Java: A Comprehensive Guide

Mastering SQL Server: SELECT WHERE and ORDER BY Clauses Explained

Understanding Interfaces and Abstract Classes in Java: A Comprehensive Guide

Understanding Destructors in C#: A Complete Guide with Examples

Task Scheduler in Asp.Net core

How to Auto Redirect from HTTP To HTTPS IN Asp.Net using Web Config

Climbing the Career Ladder: Advancement Opportunities in Software Engineering

CWE-915: Mass Assignment Vulnerability - Securing Object Binding in Web APIs

Complete Guide to Access Modifiers in C# with Examples

Sending Calendar Events Using .ICS File in ASP.NET

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