Code2night - Latest Programming Blogs & Tutorials

21

Jun

2026

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

Shubham Saini 642 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 1,137 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 280 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 226 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 262 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 819 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 223 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.

28

Mar

2026

Comprehensive Flask Web Framework Tutorial for Beginners: Building Web Applications with Python

Shubham Saini 181 views

In this tutorial, readers will gain a deep understanding of the Flask web framework, learning how to build robust web applications using Python. Flask's lightweight and flexible nature makes it an excellent choice for both beginners and experienced developers alike. A basic understanding of Python and web development concepts is recommended before diving into this guide.

26

Mar

2026

Understanding TypeScript Strict Mode: Best Practices and Real-World Applications

Shubham Saini 486 views

Readers will learn about TypeScript's Strict Mode, its significance in enhancing code quality, and best practices for its usage. This knowledge is crucial for developers aiming to write robust and maintainable applications. Familiarity with basic TypeScript concepts is recommended before diving into Strict Mode.

09

Oct

2020

Microsoft Outlook Get and Add Contacts Asp.Net MVC

Shubham Batra 13,719 views Watch Video

we will learn Microsoft Outlook Add Contacts and Get Contacts service. We will learn how to add and get Contacts using Microsoft Exchange Service.

28

Apr

2026

CWE-614: Configuring Secure Cookie Attributes in ASP.NET Core for Enhanced Security

Shubham Saini 445 views

In this comprehensive guide, you will learn how to configure secure cookie attributes in ASP.NET Core, focusing on HttpOnly, Secure, and SameSite attributes. Understanding these attributes is crucial for protecting web applications from common vulnerabilities such as cross-site scripting (XSS) and cross-site request forgery (CSRF). A foundational knowledge of ASP.NET Core and web security principles will be beneficial as we explore these concepts in depth.

24

Aug

2023

Access Modifiers in Java

Shubham Batra 3,527 views

In Java, access modifiers are keywords that control the visibility and accessibility of classes, fields, methods, and other members within a class or package.

03

Apr

2026

Mastering Redux with React: A Comprehensive Guide for Developers

Shubham Saini 213 views

This tutorial will delve into the integration of Redux with React to manage application state effectively. Understanding Redux is crucial for building scalable and maintainable applications, particularly in complex projects. Prior knowledge of React and JavaScript ES6 features is recommended before diving into this tutorial.

30

Mar

2026

Mastering TensorFlow Keras: A Comprehensive Guide to Building Neural Networks in Python

Shubham Saini 122 views

This tutorial delves deep into TensorFlow Keras, showcasing its capabilities for building powerful neural networks efficiently. Understanding Keras within TensorFlow is essential for modern machine learning projects, as it simplifies the complexities of deep learning. Readers should have a basic understanding of Python and neural network concepts to fully benefit from this guide.

05

Aug

2020

How to set Date and time format in IIS Manager

Shubham Batra 34,440 views Watch Video

Many times you might have got requirement of changing DateTime Format Of your IIS Hosted Web Application.Sometime Date format changes work on LocalHost but on IIS the date format remains same. Select Application Pool Select Project and click on Advanced settingsExpand Process Modal and Select Identity Select Custom Account and Click on set and enter UserName Password(System Credentials) and ok

13

Jul

2023

Complete Guide to String Joiner in Java with Examples

Shubham Batra 4,175 views

The String Joiner class in Java makes it easy to connect several strings with a defined delimiter. It is very useful for concatenating strings in a loop or dealing with string collections.

20

Mar

2026

Understanding CWE-778: Insufficient Logging and Monitoring - Building a Robust Security Audit Trail

Shubham Saini 276 views

This article delves into CWE-778, emphasizing the importance of effective logging and monitoring in software systems to build a robust security audit trail. Readers will learn how insufficient logging can lead to vulnerabilities and how to implement comprehensive logging strategies. A foundational understanding of security principles and basic programming skills in Python will enhance comprehension.

01

Sep

2023

Static V/s Non-static Reserved Keyword In Java

Shubham Batra 3,640 views

In the static method, there is no need for objects. but In non-static method there is requirement of Object.

11

Oct

2020

HTTP Error 502.5 - ANCM Out Of Process Startup Failure

Shubham Batra 13,321 views Watch Video

After installing or updating the system or uploading your web app on IIS, you may receive the error HTTP Error 502.5 - ANCM Out-Of-Process Startup Failure upon accessing the website. So we will see how to solve that error.

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

Comprehensive Flask Web Framework Tutorial for Beginners: Building Web Applications with Python

Understanding TypeScript Strict Mode: Best Practices and Real-World Applications

Microsoft Outlook Get and Add Contacts Asp.Net MVC

CWE-614: Configuring Secure Cookie Attributes in ASP.NET Core for Enhanced Security

Access Modifiers in Java

Mastering Redux with React: A Comprehensive Guide for Developers

Mastering TensorFlow Keras: A Comprehensive Guide to Building Neural Networks in Python

How to set Date and time format in IIS Manager

Complete Guide to String Joiner in Java with Examples

Understanding CWE-778: Insufficient Logging and Monitoring - Building a Robust Security Audit Trail

Static V/s Non-static Reserved Keyword In Java

HTTP Error 502.5 - ANCM Out Of Process Startup Failure

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