Code2night - Latest Programming Blogs & Tutorials

09

Nov

2026

Building a Production-Oriented AI Automation Workflow with Python, FastAPI, and LLMs

Shubham Saini 16 views

A complete engineering guide to building a production-oriented AI automation service with Python, FastAPI, and Pydantic v2. It explores persistent async OpenAI client lifecycle management via ASGI lifespan handlers, prompt segregation, boundary sanitization, constant-time API key security, and semantic HTTP status mapping for upstream provider rate limits and timeouts. Features an automated 14-scenario pytest suite using context-managed test clients and practical production hardening strategies.

09

Nov

2026

Self Healing Test Automation: How CoTester’s AgentRx Helps QA

Shubham Saini 29 views

Development and testing teams today widely use test automation to automate test creation and execution. Sure, this has made testing processes much faster and efficient. But here's a reality check: QA teams using testing frameworks spend at least 20 hours per week creating and maintaining automated tests. Traditional automation test scripts are rigid and highly sensitive to app changes. Even minor UI updates such as renaming a button, can cause the test scripts to fail. As a result, your

21

Jun

2026

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

Shubham Saini 1,128 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 1,558 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 621 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 538 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 566 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.

21

Aug

2023

java.lang.IllegalStateException: The driver executable does not exist

Shubham Batra 5,489 views Watch Video

The java.lang.IllegalStateException with the message "The driver executable does not exist" typically occurs in the context of automated testing using web automation frameworks such as Selenium WebDriver.

12

Oct

2022

How to implement JWT Token Authentication and Validate JWT Token in ASP.NET MVC using JWT

Shubham Batra 26,652 views Watch Video

Hello guys, considering the security of web applications and api's we often have to implement security tokens. Sometimes we use owin authentication and sometimes JWT Tokens. So in this article we will see how to implement JWT Token Authentication in ASP.NET MVC using JWT.

24

Apr

2026

Integrating ActiveCampaign Marketing Automation with ASP.NET Core: A Comprehensive Guide

Shubham Saini 289 views

This guide will teach you how to effectively integrate ActiveCampaign's marketing automation capabilities into your ASP.NET Core applications. Understanding this integration is crucial for enhancing customer engagement and automating marketing tasks efficiently. Before diving in, familiarity with ASP.NET Core, RESTful APIs, and basic marketing concepts is beneficial.

09

Mar

2026

Understanding Loops in C: for, while, and do-while

Shubham Saini 622 views

In this blog post, you will learn about the three main types of loops in C programming: for, while, and do-while. Each loop serves a unique purpose and is essential for controlling the flow of your programs efficiently.

16

Mar

2026

Mastering Multithreading in Java: A Comprehensive Guide

Shubham Saini 245 views

In this blog post, we will explore the fundamentals of multithreading in Java, a powerful feature that allows concurrent execution of tasks. You'll learn how to create and manage threads, synchronize them, and avoid common pitfalls, enabling you to write efficient and responsive Java applications.

09

Dec

2023

Mastering LINQ in C#: A Complete Guide with Examples

Shubham Saini 3,770 views

LINQ (Language Integrated Query) is a feature in C# that allows us to perform queries against data sources, which can be arrays, collections, or any type of databases, using a SQL-like syntax. In this article, we will cover some basic concepts and functionalitites of LINQ and learn how to use it in your C# application

05

Mar

2024

Implement JWT Token Authentication with Validate and Refresh Token in asp.net mvc

Shubham Batra 9,393 views Watch Video

Hello guys in this article we will see how to implement JWT Token Authenticate with Validate Token and Refresh Token automatically . We will create one action filter attribute that will automatically validate all the request and if the token is expired it will refresh the token again.

30

Mar

2026

Mastering Authentication with JWT in Node.js: A Comprehensive Guide

Shubham Saini 318 views

In this detailed guide, readers will learn how to implement JSON Web Token (JWT) authentication in Node.js applications, understand the underlying principles of JWT, and explore best practices for secure implementation. This knowledge is crucial for developing secure APIs and web applications that manage user authentication effectively. Familiarity with Node.js and JavaScript is required to fully grasp the concepts presented here.

03

May

2026

Integrating OpenAI GPT-4 API in ASP.NET Core: Chat, Completions, and Streaming

Shubham Saini 340 views

In this tutorial, readers will learn how to effectively integrate the OpenAI GPT-4 API into an ASP.NET Core application, covering chat functionality, text completions, and streaming responses. This integration is essential for creating intelligent applications that can understand and generate human-like text, enhancing user interaction and automating content generation. Familiarity with ASP.NET Core and basic concepts of APIs will be beneficial for following along.

08

Apr

2026

Integrating Jira with ASP.NET Core: A Comprehensive Step-by-Step Guide

Shubham Saini 364 views

This guide provides an in-depth exploration of integrating Jira with an ASP.NET Core application, focusing on API interactions, authentication mechanisms, and real-world use cases. The integration streamlines project management by automating issue tracking and facilitating communication between development teams and stakeholders. Readers should have a basic understanding of ASP.NET Core, RESTful APIs, and Jira's functionalities to follow along effectively.

09

Dec

2023

Mastering the if Statement in JavaScript: A Complete Guide with Examples

Shubham Saini 3,355 views

If statement will execute a block of code if the given condition is true. The if statement checks a Boolean expression and executes the code based on if the expression is true

03

Mar

2021

ConfigurationBuilder does not contain a definition for SetBasePath

Shubham Batra 20,474 views

In this article we will see how to solve issue 'ConfigurationBuilder' does not contain a definition for 'SetBasePath' and no extension method 'SetBasePath' accepting a first argument of type 'ConfigurationBuilder' could be found (are you missing a using directive or an assembly reference? in .Net Core 3. We will see how to ready json files in .Net core 3.

Free Programming Tutorials, Blogs & Developer Tools

Building a Production-Oriented AI Automation Workflow with Python, FastAPI, and LLMs

Self Healing Test Automation: How CoTester’s AgentRx Helps QA

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

java.lang.IllegalStateException: The driver executable does not exist

How to implement JWT Token Authentication and Validate JWT Token in ASP.NET MVC using JWT

Integrating ActiveCampaign Marketing Automation with ASP.NET Core: A Comprehensive Guide

Understanding Loops in C: for, while, and do-while

Mastering Multithreading in Java: A Comprehensive Guide

Mastering LINQ in C#: A Complete Guide with Examples

Implement JWT Token Authentication with Validate and Refresh Token in asp.net mvc

Mastering Authentication with JWT in Node.js: A Comprehensive Guide

Integrating OpenAI GPT-4 API in ASP.NET Core: Chat, Completions, and Streaming

Integrating Jira with ASP.NET Core: A Comprehensive Step-by-Step Guide

Mastering the if Statement in JavaScript: A Complete Guide with Examples

ConfigurationBuilder does not contain a definition for SetBasePath

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