Coder Baba
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Everything about programming for beginners.
1 and only official telegram channel of CODERBABA India.

Content:
.NET Developer,
Programming (ASP. NET, VB. NET, C#, SQL Server),
& Projects
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🌐 18 Most Common HTTP Status Codes with Meaning & Use Cases πŸš€
πŸ’» Let’s decode the most common HTTP status codes and their purposes!

βœ… Success Codes:

200 - OK 🟒: Request succeeded.
201 - Created πŸ†•: Resource created successfully.
202 - Accepted βœ…: Request accepted for processing.
204 - No Content 🚫: Request succeeded, no content to return.

πŸ”„ Redirection Codes:

301 - Moved Permanently 🚚: Resource permanently moved to a new URL.
302 - Found πŸ”„: Resource temporarily available at a new location.
304 - Not Modified πŸ“„: Cached version of the resource is still valid.
307 - Temporary Redirect ↩️: Temporary redirect; same request method applies.

❌ Client Error Codes:

400 - Bad Request 🚫: Invalid request syntax or parameters.
401 - Unauthorized πŸ”: Authentication required.
403 - Forbidden 🚷: Access denied to the requested resource.
404 - Not Found ❓: Resource could not be located.
405 - Method Not Allowed πŸ“›: HTTP method not supported by the resource.
409 - Conflict βš”οΈ: Request conflicts with the current state of the server.

⚠️ Server Error Codes:

500 - Internal Server Error πŸ’₯: Server encountered an error.
502 - Bad Gateway πŸ›‘: Invalid response from an upstream server.
503 - Service Unavailable 🚧: Server temporarily unavailable.
504 - Gateway Timeout ⏳: Server didn't receive a timely response from upstream.

πŸš€ Master these status codes to ace your web development journey!
πŸ“Œ Save this post for quick reference. πŸ’‘
#coderbaba
#HTTPStatusCodes #WebDevelopment #CodingTips
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πŸ“š Student Management System in VB. NET πŸ’»
πŸ”₯ Learn to build a complete Student Management System Project in VB. NET with source code β€” explained in Hindi!

βœ… Perfect for beginners and students
βœ… Step-by-step tutorial
βœ… Source code included for hands-on learning

πŸŽ₯ Watch now: https://www.youtube.com/watch?v=XbWeir3mBhk

πŸ‘¨β€πŸ’» By #CoderBaba
#VBNet #ProgrammingTutorial #HindiTutorial #StudentManagementSystem
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πŸ“š Master Database Concepts! πŸ’»βœ¨
Get clear explanations for key topics in Database Management Systems:

πŸ”Ή RDBMS: What is a Relational Database Management System? πŸ€”πŸ“Š
πŸ”Ή DML Compiler: Understanding its role in database operations βš™οΈπŸ“œ
πŸ”Ή Record, Field, Table: Simplifying these core database terms πŸ“‹βœ…
πŸ”Ή View & Data Independence: Learn their relationship and importance πŸ”—πŸ”

πŸš€ Perfect for students and professionals preparing for interviews or exams!

πŸ‘‰ Stay tuned for more tech tips and tricks!
#DatabaseConcepts #DBMS #LearnTech #TechKnowledge #coderbaba
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✨ Best 12 AI Tools in 2025 You Can't Miss! πŸš€

1️⃣ Solves anything πŸ‘‰ ChatGPT πŸ€–
2️⃣ Writes anything πŸ‘‰ Writesonic ✍️
3️⃣ Generates Art πŸ‘‰ MidJourney 🎨
4️⃣ Generates Code πŸ‘‰ Replit πŸ’»
5️⃣ Generates Video πŸ‘‰ Synthesia πŸŽ₯
6️⃣ Generate TikToks πŸ‘‰ Fliki 🎢
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8️⃣ Generates Avatars πŸ‘‰ Starrytars πŸ‘€
9️⃣ Generates PPTs πŸ‘‰ SlidesAI πŸ“Š
πŸ”Ÿ Edit Pictures πŸ‘‰ Remini πŸ–Ό
1️⃣1️⃣ Edit Videos πŸ‘‰ Pictory 🎬
1️⃣2️⃣ Summarize Notes πŸ‘‰ Wordtune πŸ“š

πŸš€ These tools will boost your productivity and creativity in 2025! πŸ’‘
Which one is your favorite? Drop a comment! ⬇️
#AITools #Productivity #AIRevolution #TechTrends #Innovation #coderbaba
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πŸ“š Student Management System in VB. NET πŸ’»
πŸ”₯ Learn to build a complete Student Management System Project in VB. NET with source code β€” explained in Hindi!

βœ… Perfect for beginners and students
βœ… Step-by-step tutorial
βœ… Source code included for hands-on learning

πŸŽ₯ Watch now: https://www.youtube.com/watch?v=XbWeir3mBhk

πŸ‘¨β€πŸ’» By #CoderBaba
#VBNet #ProgrammingTutorial #HindiTutorial #StudentManagementSystem
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πŸš€ New Tutorial Alert! πŸš€
πŸ“½ "ASP. NET C# Tutorial: Create Category Web Page with Image Upload & Report Viewer"
πŸ”— Watch Now: https://youtu.be/FzmHsj7j7GI

Want to learn how to create a category web page in ASP. NET C#, implement insert and update operations, upload images, and display data using the ReportViewer control? πŸ€”
This comprehensive tutorial will walk you through each step! 🌟 Whether you're a beginner or an experienced developer, this video is packed with useful tips to level up your ASP. NET skills! πŸ’»πŸ”₯

In this tutorial, you'll learn how to: βœ… Create a dynamic category page
βœ… Add insert & update functionalities
βœ… Upload images for categories
βœ… Display your data in the ReportViewer control

πŸ’‘ Perfect for web developers looking to enhance their skills!

πŸ”‘ Don’t forget to like, comment, and subscribe for more programming tutorials!

#ASPNet #CSharp #WebDevelopment #ImageUpload #ReportViewer #Tutorial #TechTips #WebDev #Programming #WebPage #InsertUpdate #CoderBaba
πŸš€ #Nagarro Recent Interview Questions πŸš€

πŸ“Œ Round 1 : ( Aptitude and Technical Round Online Test)

πŸ‘‰ Online aptitude round consists of verbal ability questions , and there was time limit ,
⏱️make sure to pick other question if you don't know answer ,
πŸ‘‰ Topics Covered:

RestAssured API πŸ–₯
Good Level Java Programs πŸ’»
---------------------------------------------------------------------------------
πŸ“Œ Round 2 : ( Technical )
πŸ‘‰ Write Java Program to find the maximum sum subarray.
πŸ‘‰ How System.out.println( ) works ?
πŸ‘‰ Write code to achieve multiple Inheritance using Interface ?
πŸ‘‰ Why String is immutable in Java ? StringBuffer use.
πŸ‘‰How would you design test cases for an application where the requirements are not clear?
πŸ‘‰ Suppose you have 10 test cases and they are failing randomly what will be your approach on fixing those scripts.
πŸ‘‰ What is Bug Life cycle , explain in detail.
πŸ‘‰ Suppose you are working with multiple tabs in selenium, how would you wait in selenium ,until the number of opened tabs should be equal to 4
πŸ‘‰ How to wait for the file download to finish in selenium ?
πŸ‘‰ What are dataProviders in testNg. ?
πŸ‘‰ What are challenges you faced while working with framework ?
πŸ‘‰ What are listeners in testNg ?
πŸ‘‰ Share screen and asked to write xpath using sibling concept.
πŸ‘‰ Is there any situation where you didn't agreed with developer and how did you handled them.
πŸ‘‰ Do you know factory design pattern ?
----------------------------------------------------------------------------------
πŸ“Œ Round 3 : ( Technical round )
πŸ‘‰ How would you decide that I need to stop testing for a particular feature
πŸ‘‰ Suppose requirements are not clear to you what is your approach ?
πŸ‘‰ How would you handle calendars in Selenium ?
πŸ‘‰ Actions class vs Select class ?
πŸ‘‰ What would you do if requirements missing during testing ?
πŸ‘‰ How would you fetch the attribute value of an element in selenium.
πŸ‘‰ What is Multi Threading in Java
πŸ‘‰ What are global variables and environment variables in postman.
πŸ‘‰ I want to check API response is correct or not but when hitting API using GET ,it takes 1 minute for response to come , is there other HTTP Method ?
πŸ‘‰ Do you know use of TRACE API Method ? (write ans in comment )
πŸ‘‰ How would you ensure test cases you written are complete ?
πŸ‘‰ How you will test for security vulnerability in your application ?
πŸ‘‰ One question from Java stream related to finding duplicate element.
----------------------------------------------------------------------------------
πŸ“Œ Round 4 : ( HR )
πŸ‘‰ How soon you can join ?
πŸ‘‰ Why did you leave your last job?
πŸ‘‰Are you willing to relocate or travel for the job?
πŸ‘‰ Salary discussion etc.

πŸ’‘ Pro Tip: Be prepared, stay calm, and best of luck for your interview! πŸ’ͺ #InterviewPreparation #TechJobs #CareerGrowth #Wipro #Nagarro #JobInterview #coderbaba
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πŸš€#Coforge Interview Questions for hashtag#QA role | Exp : 7-8 years

πŸ“Œ Round 1 : ( Technical )
πŸ‘‰ : Explain about your project , how long is your sprint ?
πŸ‘‰ : Have you created a framework from scratch ? What are challenges you have faced while working with framework ?
πŸ‘‰ : Difference between StringBuffer and StringBuilder
πŸ‘‰ : Program to remove duplicate elements from an arraylist.
πŸ‘‰ : Where have you used Inheritance in your framework ?
πŸ‘‰ : How would you handle authentication popup using selenium ?
πŸ‘‰ : How many testcases you have automated in a single sprint.
πŸ‘‰ : Difference between RequestSpecification , ResponseSpecification in REST Assured write code & explain it
πŸ‘‰ : Difference between 500 vs 503 API Status code
----------------------------------------------------------------
πŸ“Œ Round 2 ( Technical )
πŸ‘‰ : Given a string , remove all the duplicate elements from a string
πŸ‘‰ : Write code to fetch the username, password from properties file
πŸ‘‰ : What is use of GroupBy in SQL.
πŸ‘‰ : Suppose you logged a bug , developer says it's not a bug how would you convince developer that it's a bug.
πŸ‘‰ : Suppose a JS alert is coming on a webpage ,it appears randomly when you click some random button (you cannot predict when it will come) ,then how would you make sure that alert is accepted automatically by selenium.
πŸ‘‰ : What is Stale Element exception.
πŸ‘‰ : Have you tested GRAPHQL API. Explain how you did it ?
πŸ‘‰ : How many string objects will be created : String s1 = new String("JAVA");
πŸ‘‰ : Difference between finally and finalize in Java
πŸ‘‰ : Use of protected access modifier ?
πŸ‘‰ : How would you achieve thread safety in your framework. When running tests in parallel.

hashtag#Round 3 : (Managerial)
πŸ‘‰Again he asked few technical questions on Selenium,API

hashtag#Round 4 : (HR Discussion)
πŸ‘‰Salary discussion
πŸ’‘ Pro Tip: Be prepared, stay calm, and best of luck for your interview! πŸ’ͺ #InterviewPreparation #TechJobs #CareerGrowth #Wipro #Nagarro #Coforge #JobInterview #coderbaba
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πŸš€ Valuelabs Interview Questions: SDET (4.5 to 6 years) 😊😊

πŸ“… Duration Decided: 30 minutes
⏰ Actual Interview: 48 minutes

Here are the interview questions asked during the Valuelabs SDET interview. Hope this helps! πŸ’‘

Introduce yourself πŸ§‘β€πŸ’»
Please explain your Automation Framework and all its components. πŸ”§
What is Page Object Model (POM)? πŸ“„
How do you run test cases in parallel in Cucumber? πŸ”„
Explain the contents of the Runner File in Cucumber. πŸƒβ€β™‚οΈ
What is a Singleton Design Pattern? πŸ”„
What are the advantages and disadvantages of Page Object Model? πŸ“‘
What is Selenium Grid? 🌐
Explain the WebDriver create statement line? πŸ’»
Explain the Maven Lifecycle? ⏳
How do you run the failed test cases? πŸ”„
How do you generate Reports in Selenium? πŸ“Š
How do you customize reports after your test execution? βš™οΈ
What kind of waits are there in Selenium? ⏱️
Write a Code Snippet for Explicit Wait in Selenium? πŸ“
Write a Code Snippet for Drag and Drop in Selenium? πŸ“€πŸ“₯
How do you switch to different Windows in Selenium? πŸͺŸ
Why do we use SET in Window Handles? πŸ”‘
Write Code for taking screenshot in Selenium? πŸ“Έ
What’s the difference between Scenario and Scenario Outline in Cucumber? πŸ”
How do you pass data to your Selenium Scripts? πŸ’Ύ
How do you decide the priorities of your Test Cases? πŸ”
If you want to execute one test case repeatedly, how do you do that? πŸ”
What are the different annotations used in TestNG? 🏷
Write the hierarchy of annotations in TestNG. πŸ”
What is the defect life cycle? 🐞
What’s the difference between Agile and Waterfall Model? πŸ’§πŸž
What’s the difference between 201 and 204 Status Code? πŸ“Š
What’s the difference between 401 and 403 Status Code? ❌
What are the components of an API Request? 🌐
What’s the difference between Query Parameters and Path Parameters? πŸ”
How do you resolve Conflicts in Git? βš”οΈ
What’s the difference between git pull and git patch? πŸ› 
Explain the use of Jenkins in the Automation Framework. πŸ—
πŸ’‘ Tip for Success: Stay calm and prepare well for these topics to ace your interview! Best of luck to all the aspiring candidates! πŸ’ͺ✨

#Valuelabs #SDETInterview #Automation #Java #Cucumber #Selenium #TestNG #API #Jenkins #Git #InterviewPreparation #TechJobs #CareerGrowth #coderbaba
πŸš€ New Video Alert! πŸš€

Hey everyone! I just uploaded a brand new tutorial on YouTube to help you get started with Selenium Automation! πŸ§‘β€πŸ’»πŸ’»

In this video, I’ll show you how to easily install and set up everything you need for Selenium, including:

Java β˜•οΈ
Eclipse IDE πŸ’»
WebDriver πŸ§‘β€πŸ’»
Whether you're a beginner or looking to refresh your knowledge, this step-by-step guide will have you automating tests in no time! πŸ”§βœ¨

πŸ‘‰ Check out the video now:
https://youtu.be/6Tzmy8uxQAM

Don't forget to like, subscribe, and hit the bell icon to stay updated with more tutorials from CoderBaba! πŸ‘πŸ””

#SeleniumSetup #AutomationTesting #CoderBaba #JavaForSelenium #EclipseIDE #WebDriver #TestAutomation #LearnWithCoderBaba #SeleniumTutorial #Automation #TechTutorials #BeginnersGuide

Let’s get automating! πŸš€
JD - Full Stack Developer.pdf
249.9 KB
πŸš€ Job Opening: Full Stack .NET Developer πŸš€

Hey everyone! πŸ‘‹
Here is a job opening for a Full Stack .NET Developer. If anyone is interested in applying, feel free to reach out! πŸ“©

πŸ”Ή Position: Full Stack .NET Developer
πŸ”Ή Location: India
πŸ”Ή Type: Full-time

Key Responsibilities:

Develop and maintain web applications using .NET Core and ASP.NET
Work with both front-end and back-end technologies
Collaborate with a great team to build innovative solutions
Requirements:

Experience with C#, .NET Core, and ASP.NET
Proficiency in front-end technologies like HTML, CSS, JavaScript (Angular, React, or Vue.js)
Knowledge of databases (SQL/NoSQL)
Familiar with Git for version control
Why Apply?

Competitive salary πŸ’Ό
Flexible work hours ⏰
Collaborative team culture 🀝
Opportunities for career growth πŸ“ˆ
If you’re interested, you can apply by sending your resume

#JobOpening #DotNetDeveloper #FullStackDeveloper #Hiring #TechJobs #CareerOpportunity #coderbaba
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πŸš€ New Video Alert – Part 9 of Our Full eCommerce Website Project Series is Live! πŸŽ₯

πŸ›’ Manage Subcategories in ASP. NET C# with SQL Server
Learn how to Insert, Update, Delete, Search, and View subcategory records using the Repeater Control in ASP. NET Web Forms.

πŸ’‘ Whether you're building a real-world project or sharpening your ASP. NET skills, this step-by-step tutorial has everything you need!

πŸ“Œ Watch Now πŸ‘‰ https://youtu.be/IF9KcJ9glQs
βœ… Full Project | βœ… Source Code | βœ… Explained for Beginners

πŸ‘¨β€πŸ’» Covered in this video:

πŸ’‘Creating the subcategory page layout

πŸ’‘Connecting to SQL Server

πŸ’‘Implementing CRUD operations in C#

πŸ’‘Repeater control data binding

πŸ’‘User-friendly UI for managing data

πŸ“’ Like, Share, and Tag a friend who's learning web development!

#ASPNet #CSharp #SQLServer #EcommerceWebsite #WebDevelopment #RepeaterControl #DotNet #CRUD #ProgrammerLife #FullStackDeveloper #CoderBaba
πŸš€ NEW VIDEO ALERT! πŸŽ₯
Part 10 of our ASP.NET C# Ecommerce Website Tutorial is live! πŸ™Œ

In this video, I’ll show you how to create the Add Product page with image upload functionality using ASP.NET, C#, and SQL Server. πŸ”§πŸ–Ό

πŸ’‘ What you’ll learn:
βœ… Designing the Add Product form
βœ… Uploading and saving product images
βœ… Storing product details in SQL Server
βœ… Writing backend logic in C#

πŸ‘‰ Perfect for beginners and intermediate developers building real-world projects!

πŸ“Ί Watch Now: https://youtu.be/zMW7_vPZ1IM

πŸ“‚ Download Source Code: https://t.me/coder_baba/2756

πŸ” Like, Share & Tag a friend who’s learning .NET! Follow @coder_baba

#CoderBaba #ASPNet #CSharp #EcommerceWebsite #WebDevelopment #DotNetTutorial #AddProduct #ImageUpload #SQLServer #CodingWithCSharp #LearnToCode
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πŸ”₯ Complete Java Roadmap A-Z πŸ§‘β€πŸ’»β˜•οΈ

βΏ‘ Variables & Data Types
↳ int, double, char, boolean, String
↳ float, long, short, byte

βΏ’ Operators
↳ Arithmetic, Logical, Relational, Bitwise, Assignment, Unary, Ternary

βΏ£ Control Statements
↳ if, else, else if, switch, case, default
↳ break, continue, return

βΏ€ Loops
↳ for, while, do-while
↳ for-each loop (array/list iteration)

βΏ₯ Classes & Objects
↳ Class declaration
↳ Objects & object creation using new
↳ Constructors (default + parameterized)

βΏ¦ Methods
↳ Method declaration & overloading
↳ return types, parameters
↳ static vs instance methods

βΏ§ Access Modifiers
↳ public, private, protected, default (package-private)

βΏ¨ OOP Concepts
↳ Inheritance
↳ Polymorphism (compile/run time)
↳ Abstraction (abstract class + interface)
↳ Encapsulation (getters/setters)

βΏ© Arrays & Collections
↳ Single & Multi-dimensional arrays
↳ ArrayList, LinkedList, HashSet, HashMap
↳ Iterators & for-each loops

πŸ”Ÿ Exception Handling
↳ try, catch, finally, throw, throws
↳ Checked vs Unchecked Exceptions
↳ Custom exceptions

βΏ‘βΏ‘ Strings & StringBuilder
↳ String immutability
↳ String methods
↳ Mutable alternatives: StringBuilder, StringBuffer

βΏ‘βΏ’ Java 8+ Features
↳ Lambda expressions
↳ Streams API
↳ Functional interfaces
↳ Optional
↳ Method references

βΏ‘βΏ£ File Handling (I/O)
↳ File, FileReader, FileWriter, BufferedReader, BufferedWriter
↳ Scanner
↳ Serialization & Deserialization

βΏ‘βΏ€ Multithreading
↳ Thread class & Runnable interface
↳ Thread lifecycle
↳ Synchronization
↳ Executors framework

βΏ‘βΏ₯ Inner Classes
↳ Static, non-static, anonymous
↳ Local inner classes

βΏ‘βΏ¦ Enums
↳ Enum declaration and usage
↳ Enum methods and switch cases

βΏ‘βΏ§ Generics
↳ Generic classes & methods
↳ Bounded types
↳ Wildcards

βΏ‘βΏ¨ JVM, JRE, JDK
↳ Java compilation/execution flow
↳ Memory structure: Heap, Stack
↳ Garbage collection basics

βΏ‘βΏ© Annotations
↳ Built-in: @Override, @Deprecated, @SuppressWarnings
↳ Custom annotations

βΏ’βΏ  Reflections API
↳ Inspecting classes, methods, fields at runtime

βΏ’βΏ‘ Networking
↳ Sockets, ServerSocket, URL & HTTP connections

βΏ’βΏ’ Design Patterns
↳ Singleton, Factory, Strategy, Observer, Builder

βΏ’βΏ£ Maven/Gradle
↳ Build automation
↳ Dependency management
↳ pom.xml, build.gradle basics

βΏ’βΏ€ JUnit & Testing
↳ Unit testing with JUnit
↳ Assertions
↳ Test cases & suites

βΏ’βΏ₯ Spring Framework (Bonus)
↳ Spring Boot basics
↳ Dependency Injection, REST APIs
↳ Annotations & configurations

React β™₯️ for more
#HappyCoding #coderbaba
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