✔️ Avoid else after return

✳️ This principle is a guideline in clean code development that suggests avoiding the use of an else statement immediately after a return statement in a function or method.

✳️ When a return statement is encountered in a function, it immediately exits the function and returns control to the calling code. Any code following the return statement within the same block will not be executed. In many cases, including an else statement after a return is redundant and can be safely removed.

✳️ Following the "Avoid else after return" principle helps in writing cleaner, more maintainable code by simplifying control flow and improving code readability.

✳️ In the attached image, an example of how to apply this principle.

❌ Bad: Violates the "Avoid else after return" principle.

✔️ Good: Refactoring the code, the else clause have been eliminated.

💡 Short: The conditional operator (? :) is used to directly return either "Pass" or "Fail" based on the condition. This eliminates the need for an if-else statement.

✔️ Function names should say what they do

✔️ Function names should say what they do

Function names should be clear and descriptive, providing a clear indication of what the function does. This makes it easier for other developers to understand the purpose of the function without having to read through the implementation details.

This is important because function names serve as a form of documentation and make it easier for other developers to understand the purpose and behavior of the code.

Following this principle helps make your code more readable, understandable, and maintainable.

Thank you for reading 😊

✔️ Use searchable names

We will read more code than we will ever write. It's important that the code we do write must be readable and searchable. By not naming variables that end up being meaningful for understanding our program, we hurt our readers. Make your names searchable.

Using searchable names means that variable, function, and class names should be clear and unambiguous so that other developers can easily understand what they do.

Thank you for reading 😊

Clean Code ✅

Use meaningful and pronounceable variable names:

The name should reflect what it does and give context. It's essential to choose names that are clear, descriptive, and easy to understand.

Thank you 😊

Naming conventions refer to the guidelines or rules that developers follow when naming variables, functions, classes, and other elements in their code. The purpose of these conventions is to make the code more readable, maintainable, and self-documenting.

There are several commonly used naming conventions in programming languages, I will mention the three most popular:

1- Pascal Case: The first letter of every word is capitalized, with no spaces or underscores. It is commonly used in C++, C#, Visual Basic.
Examples: FirstName, LastName, NumberOfDevices.

2- Camel Case: The first letter of the first word is lowercase, and the first letter of subsequent words is uppercase, with no spaces or underscores. It is commonly used in Java and JavaScript.
Examples: firstName, lastName, numberOfDevices.

3- Snake Case: Words are separated by underscores, and all letters are lowercase. It is commonly used in Python and Ruby.
Examples: first_name, last_name, number_of_devices.

Thank you for reading 😊

C# is the Programming Language of 2023 🏆

As per the TIOBE Index, C# has been announced as the Programming Language of 2023. This is mainly because of the uptick in popularity, which is about +1.43%.

What sets C# & .NET aside:
1/ The Ecosystem & Community.
2/ Low Barrier to Entry.
3/ Very Active Feature Additions to the Language.
4/ The Rich CLI.
5/ Visual Studio and JetBrains IDE.
6/ Entity Framework Core is the GEM that no other Languages / Frameworks can come close to!
7/ .NET 8 introduced a lot of performance boosts to the Language.

🌐 Our latest YouTube video is live! 🎥 Dive into the world of software testing with our "Software Testing Tutorial" for beginners and beyond! 🛠✨ Whether you're new to testing or looking to sharpen your skills, this tutorial is your go-to guide.

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🖥 Web Development Mastery: From Basics to Advanced 🖥

Start with the fundamentals:
- HTML
- CSS
- JavaScript
- Responsive Design
- Basic DOM Manipulation
- Git and Version Control

You can grasp these essentials in just a week.

Once you're comfortable, dive into intermediate topics:
- AJAX
- APIs
- Frameworks like React, Angular, or Vue
- Front-end Build Tools (Webpack, Babel)
- Back-end basics with Node.js, Express, or Django

Take another week to solidify these skills.

Ready for the advanced level? Explore:
- Authentication and Authorization
- RESTful APIs
- GraphQL
- WebSockets
- Docker and Containerization
- Testing (Unit, Integration, E2E)

These advanced concepts can be mastered in a couple of weeks.

Remember, mastery comes with practice:
- Create a simple web project
- Tackle an intermediate-level project
- Challenge yourself with an advanced project involving complex features

Consistent practice is the key to becoming a web development pro.

Type Casting in Java:

In Java, type casting is a method or process that converts a data type into another data type in both ways manually and automatically. The automatic conversion is done by the compiler and manual conversion performed by the programmer.
#coderbaba #java #coding #programming #javafullstackdeveloper #TypeCasting

import java.util.Scanner;
public class retainStore {

public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc=new Scanner(System.in);
System.out.println("Enter the Customer ID for the Purchase is");
int customerid=sc.nextInt();
System.out.println("Enter the Bill id for the Purchase is");
int billid=sc.nextInt();

int discount=0;
System.out.println("Enter the Bill Amount for the Purchase is");
double billAmount=sc.nextDouble();

//199.99 2% | 210.00 5%
if(billAmount>0 && billAmount>=199.99 && billAmount<=210.00)
{
discount=2;
}
else if(billAmount>0 && billAmount>=210.00)
{
discount=5;
}
else
{
discount=0;
}

double discountedBillAmount= billAmount-billAmount *((double)discount/100);
System.out.println("Customer ID="+customerid);
System.out.println("Bill ID="+billid);
System.out.println("Discount="+discount);
System.out.println("Bill Amount="+billAmount);
System.out.println("Discounted BillAmount="+discountedBillAmount);

}
}

MERN Stack Developer Roadmap 2024:

Step 1: 🌐 Master Web Basics
Step 2: 🖥 HTML/CSS Proficiency
Step 3: ✨ Deep Dive into JavaScript
Step 4: 🗂 Version Control with Git
Step 5: 🐍 Node.js for Server-Side
Step 6: 🗃 Express.js for Routing
Step 7: 📦 NPM for Package Management
Step 8: 📚 MongoDB for Databases
Step 9: 🌟 React.js for Frontend
Step 10: 🔐 Implement Security (JWT)
Step 11: 🚀 App Deployment (Heroku, Netlify)
Step 12: 🐳 Docker Basics
Step 13: ☁️ Explore Cloud Services
Step 14: 🔄 CI/CD with GitHub Actions
Step 15: 🧪 Testing with Jest
Step 16: 📜 API Documentation
Step 17: 📢 Build a Portfolio
Step 18: 💼 Resume Crafting
Step 19: 🛑 Interview Preparation
Step 20: 🔍 Job Hunting Strategy

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🚀 JavaScript Interview Prep for 2024! 💡🔍

Ready to rock your JavaScript interviews? Here are 50 questions to brush up on your skills and impress your future employers! 🌐💻 Dive deep into the world of JavaScript with questions ranging from the fundamentals to advanced concepts. 🚀

🤓 Sample Questions:

🌐 What is JavaScript? #JavaScriptBasics
🤔 What are the data types in JavaScript? #DataTypesJS
❓ What is the difference between null and undefined? #JSConcepts
📜 Explain the concept of hoisting in JavaScript. #JavaScriptHoisting
🔄 What is a closure in JavaScript? #JavaScriptClosure
🤷‍♂️ What is the difference between “==” and “===” operators in JavaScript? #EqualityOperatorsJS
🔄 Explain the concept of prototypal inheritance in JavaScript. #JSInheritance
📚 What are the different ways to define a function in JavaScript? #JSFunctions
🕹 How does event delegation work in JavaScript? #EventDelegationJS
💼 What is the purpose of the “this” keyword in JavaScript? #ThisKeywordJS
🏗 What are the different ways to create objects in JavaScript? #JSObjects
📞 Explain the concept of callback functions in JavaScript. #CallbackFunctionsJS
🌊 What is event bubbling and event capturing in JavaScript? #EventBubblingJS
🤝 What is the purpose of the “bind” method in JavaScript? #BindMethodJS
🌐 Explain the concept of AJAX in JavaScript. #AJAXinJS
🔄 What is the “typeof” operator used for? #TypeOfOperatorJS
❌ How does JavaScript handle errors and exceptions? #JSErrorHandling
🔄 Explain the concept of event-driven programming in JavaScript. #EventDrivenJS
⏩ What is the purpose of the “async” and “await” keywords in JavaScript? #AsyncAwaitJS
🔍 What is the difference between a deep copy and a shallow copy in JavaScript? #JavaScriptCopy
🧠 How does JavaScript handle memory management? #JSMemoryManagement
🔄 Explain the concept of the event loop in JavaScript. #EventLoopJS
🗺 What is the purpose of the “map” method in JavaScript? #MapMethodJS
🤝 What is a promise in JavaScript? #PromisesJS
⚠️ How do you handle errors in promises? #PromiseErrorsJS
🍛 Explain the concept of currying in JavaScript. #CurryingJS
➰ What is the purpose of the “reduce” method in JavaScript? #ReduceMethodJS
↔️ What is the difference between “null” and “undefined” in JavaScript? #NullVsUndefinedJS
🔂 What are the different types of loops in JavaScript? #LoopsJS
🔄 What is the difference between “let,” “const,” and “var” in JavaScript? #LetConstVarJS
🌐 Explain the concept of event propagation in JavaScript. #EventPropagationJS
📄 What are the different ways to manipulate the DOM in JavaScript? #DOMManipulationJS
🗄 What is the purpose of the “localStorage” and “sessionStorage” objects? #StorageObjectsJS
⏭ How do you handle asynchronous operations in JavaScript? #AsyncOperationsJS
🔍 What is the purpose of the “forEach” method in JavaScript? #ForEachMethodJS
🔀 What are the differences between “let” and “var” in JavaScript? #LetVsVarJS
🧠 Explain the concept of memoization in JavaScript. #MemoizationJS
🔄 What is the purpose of the “splice” method in JavaScript arrays? #SpliceMethodJS
🔄 What is a generator function in JavaScript? #GeneratorFunctionJS
🧐 How does JavaScript handle variable scoping? #VariableScopingJS
📏 What is the purpose of the “split” method in JavaScript? #SplitMethodJS
🔄 What is the difference between a deep clone and a shallow clone of an object? #CloneObjectJS
🤝 Explain the concept of the event delegation pattern. #EventDelegationPatternJS
↔️ What are the differences between JavaScript’s “null” and “undefined”? #NullVsUndefinedJS
📣 What is the purpose of the “arguments” object in JavaScript? #ArgumentsObjectJS
📚 What are the different ways to define methods in JavaScript objects? #MethodsInJS
🧠 Explain the concept of memoization and its benefits. #MemoizationBenefitsJS
↔️ What is the difference between “slice” and “splice” in JavaScript arrays? #SliceVsSpliceJS
🔄 What is the purpose of the “apply” and “call” methods in JavaScript? #ApplyCallMethodsJS
🔄 Explain the concept of the event loop in JavaScript and how it handles asynchronous operations. #EventLoopJS

Ready to level up your JavaScript skills? Join the journey! 🔥👩‍💻👨‍💻

#coderbaba @coder_baba #JavaScriptInterview #WebDev #TechTalk #CodingChallenge #FollowForMore #ProgrammingJourney 🚀🔥

Complete Ethical Hacking Roadmap
👇👇

1. Introduction to Ethical Hacking
- Definition
- Purpose
- Types of Hackers
- Legal and Ethical Considerations

2. Networking Basics
- TCP/IP
- OSI Model
- Subnetting
- DNS
- DHCP

3. Operating Systems
- Linux
- Windows
- macOS
- Command Line Basics

4. Cybersecurity Fundamentals
- Encryption
- Firewalls
- Antivirus
- IDS/IPS

5. Programming Languages
- Python
- Javascript
- Bash Scripting
- SQL
- C/ C++/ Java/ Ruby

6. Scanning and Enumeration
- Port Scanning
- Service Enumeration
- Vulnerability Scanning

7. Exploitation
- Common Vulnerabilities and Exploits
- Metasploit Framework
- Buffer Overflows

8. Web Application Security
- OWASP Top Ten
- SQL Injection
- Cross-Site Scripting (XSS)

9. Wireless Network Hacking
- Wi-Fi Security
- WEP, WPA, WPA2
- Wireless Attacks

10. Social Engineering
- Phishing
- Spear Phishing
- Social Engineering Toolkit (SET)

11. Sniffing and Spoofing
- Man-in-the-Middle Attacks
- ARP Spoofing
- DNS Spoofing

12. Malware Analysis
- Types of Malware
- Sandbox Analysis
- Signature-Based and Behavior-Based Detection

13. Incident Response and Handling
- Incident Response Process
- Digital Forensics
- Chain of Custody

14. Penetration Testing
- Types of Penetration Testing
- Methodology
- Reporting

15. Cryptography
- Symmetric and Asymmetric Encryption
- Hashing Algorithms
- Digital Signatures

16. Mobile Hacking
- Android and iOS Security
- Mobile Application Security

17. Cloud Security
- AWS, Azure, Google Cloud
- Security Best Practices

18. IoT Security
- Internet of Things Risks
- Securing IoT Devices

19. Legal and Compliance
- Computer Fraud and Abuse Act (CFAA)
- GDPR, HIPAA, PCI DSS

20. Cybersecurity Tools
- Nmap, Wireshark, Burp Suite
- Snort, Nessus, Aircrack-ng

21. Career Path and Certifications
- Certified Ethical Hacker (CEH)
- Offensive Security Certified Professional (OSCP)
- CISSP, CompTIA Security+

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