TOP CONCEPTS FOR INTERVIEW PREPARATION!!

🚀TOP 10 SQL Concepts for Job Interview

1. Aggregate Functions (SUM/AVG)
2. Group By and Order By
3. JOINs (Inner/Left/Right)
4. Union and Union All
5. Date and Time processing
6. String processing
7. Window Functions (Partition by)
8. Subquery
9. View and Index
10. Common Table Expression (CTE)


🚀TOP 10 Statistics Concepts for Job Interview

1. Sampling
2. Experiments (A/B tests)
3. Descriptive Statistics
4. p-value
5. Probability Distributions
6. t-test
7. ANOVA
8. Correlation
9. Linear Regression
10. Logistics Regression


🚀TOP 10 Python Concepts for Job Interview

1. Reading data from file/table
2. Writing data to file/table
3. Data Types
4. Function
5. Data Preprocessing (numpy/pandas)
6. Data Visualisation (Matplotlib/seaborn/bokeh)
7. Machine Learning (sklearn)
8. Deep Learning (Tensorflow/Keras/PyTorch)
9. Distributed Processing (PySpark)
10. Functional and Object Oriented Programming

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🚕 Waymo raised $5.6 billion

The funding round C was led by the startup's parent company, Alphabet. In recent years, Waymo has fully focused on its own robotaxi service. Every week, its self-driving electric vehicles transport over 100,000 customers in San Francisco, Phoenix, and Los Angeles.

Consider these numbers: over 100,000 customers per week already! Are you ready for changes in your city?

@Skynet_Dreams

Preparing for a Java Interview?

Here are some essential Java questions to help you review important concepts:

Core Java Concepts:
1. What is the difference between JDK and JRE?
2. Why is Java platform-independent?
3. What is the difference between an abstract class and an interface?
4. What is the difference between final, finally, and finalize?
5. What is the difference between stack and heap memory?
6. What is method overloading vs. method overriding?
7. What’s the difference between a private and protected modifier?
8. What is constructor overloading in Java?
9. How is the super keyword used in Java?
10. What is the difference between static methods, variables, and classes?
11. What is System.out.println in Java?
12. What part of memory (Stack or Heap) is cleaned during garbage collection?

Object-Oriented Programming:
1. What Object-Oriented features are supported by Java?
2. What are the different access specifiers in Java?
3. What’s the difference between composition and inheritance?
4. What is the purpose of an abstract class?
5. What’s the difference between a constructor and a method?
6. What is the diamond problem in Java, and how is it resolved?
7. How do local and instance variables differ?
8. What is a Marker interface in Java?

Data Structures and Algorithms:
1. Why are strings immutable in Java?
2. What’s the difference between creating a String using new() and as a literal?
3. What is the Collections framework?
4. How do ArrayList and LinkedList differ?
5. What is the difference between a HashMap and a TreeMap?
6. How do HashSet and TreeSet differ?
7. What’s the difference between an Iterator and a ListIterator?
8. What is the purpose of the Comparable interface?
9. What is the java.util.concurrent package for?

Exception Handling:
1. What is an exception in Java?
2. How does exception propagation work?
3. What’s the difference between checked and unchecked exceptions?
4. What is the use of the try-catch block in Java?
5. How do throw and throws differ?
6. What is the use of the finally block?
7. What’s the base class of all exception classes?

Multithreading:
1. What is a thread, and what are its stages in Java?
2. How do threads differ from processes?
3. What are the different types of thread priorities in Java?
4. What is context switching in Java?
5. What’s the difference between user threads and Daemon threads?
6. What is synchronization in Java?
7. What is a deadlock in Java?
8. How are the wait() and notify() methods used?
9. What’s the difference between synchronized and volatile in Java?
10. What’s the purpose of the sleep() method?
11. How do wait() and sleep() differ?
12. What’s the difference between notify() and notifyAll()?

Java Enterprise Edition (Java EE):
1. What is Java EE?
2. How do Servlets and JSP differ?
3. What is the purpose of the Java Persistence API (JPA)?
4. What’s the difference between stateful and stateless session beans?

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Introduction to Robotics and Automation|| Notes

A “𝐂𝐚𝐫𝐛𝐨𝐧 𝐁𝐨𝐦𝐛” is defined as a fossil fuel extraction project that is projected to emit more than one gigatonne of CO₂ over its remaining lifetime.𝐊𝐞𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬:𝘛𝘰𝘱 𝘉𝘢𝘯𝘬𝘴 𝘍𝘶𝘯𝘥𝘪𝘯𝘨 𝘊𝘢𝘳𝘣𝘰𝘯 𝘉𝘰𝘮𝘣𝘴:
• JP Morgan Chase & Co.: $142 billion
• Citi: $119 billion
• Bank of America: $93 billion
• ICBC (Industrial and Commercial Bank of China): $92 billion
• Bank of China: $66 billion
• Other notable contributors include Wells Fargo ($62 billion), BNP Paribas ($72 billion), HSBC ($62 billion), and Barclays ($54 billion).𝘛𝘰𝘵𝘢𝘭 𝘊𝘢𝘳𝘣𝘰𝘯 𝘉𝘰𝘮𝘣𝘴 𝘢𝘯𝘥 𝘌𝘮𝘪𝘴𝘴𝘪𝘰𝘯𝘴:
• There are 425 carbon bomb projects globally.
• The total investment in these projects is $1.8 trillion.
• These projects are expected to emit 1,180 gigatonnes of CO₂.𝘊𝘰𝘮𝘱𝘢𝘳𝘪𝘴𝘰𝘯 𝘸𝘪𝘵𝘩 𝘎𝘳𝘦𝘦𝘯 𝘊𝘭𝘪𝘮𝘢𝘵𝘦 𝘍𝘶𝘯𝘥:
• The Green Climate Fund, the world’s largest climate fund, has raised only $13.9 billion.
• This amount is less than 1% of the investment directed toward carbon bombs.𝘍𝘶𝘯𝘥𝘪𝘯𝘨 𝘣𝘺 𝘊𝘰𝘶𝘯𝘵𝘳𝘺:
• China: $541 billion
• U.S.: $525 billion
• Canada: $156 billion
• France: $154 billion
• UK: $135 billion
• Japan: $134 billion
• Other regions: $161 billion

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@Skynet_Dreams

My interview experience (Accenture)
30 oct || 10am slot
15 min duration

Self introduction
About project
Any conflict you face while developing a project
Is there any of your frnd who work in it industry
Your hobbies
Any questions for me

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*Kraken*

A powerful, Python-based tool designed to centralize and streamline various brute-forcing tasks. Kraken provides a suite of tools for cybersecurity professionals to efficiently perform brute-force attacks across a range of protocols and services.

https://github.com/jasonxtn/Kraken

#hackbyabd #bruteforce

*Shodan Dorks*


_This GitHub repository provides a range of search queries, known as "dorks," for Shodan, a powerful tool used to search for Internet-connected devices. The dorks are designed to help security researchers discover potential vulnerabilities and configuration issues in various types of devices such as webcams, routers, and servers. This resource is helpful for those interested in exploring network security and conducting vulnerability scanning, including both beginners and experienced information security professionals._


*Link:* https://github.com/nullfuzz-pentest/shodan-dorks

🛰 ISRO Internship Opportunity for Students🎓
If you are looking for getting experience of research and development involved in satellite technologies used in ISRO - Indian Space Research Organization then this is a perfect opportunity for you to get exposure in various space projects.

🚀There is an ongoing internship opportunity for all Bachelors, Masters & PhD students in URSC - U R Rao Satellite Centre, ISRO. The details of the internship are as follows,

🛎 Eligibility criteria:
➡The student should possess an aggregate of a minimum of 60% or a CGPA of 6.32 scale on 10.
➡ The student should be a Citizen of India.
➡ The minimum number of semesters should be completed for the respective course.

📊 General guidelines:
➡ The duration of internship will be for a period of 15 to 45 days.
➡ Certificate will be provided to students who have completed the internship successfully.
➡ The application to be verified by college/university departments.

🗂 Documents required:
➡ Permission letter from Principal/HOD
➡ Course mark sheets
➡ Resume

Apply Link : - https://www.linkedin.com/feed/update/urn:li:activity:7258033519266816001

🧑‍💻 More than a quarter of new code at Google is created using artificial intelligence

AI is helping Google make money as well. Alphabet reported $88.3 billion in revenue for the quarter, with Google Services (which includes Search) revenue of $76.5 billion, up 13 percent year-over-year, and Google Cloud (which includes its AI infrastructure products for other companies) revenue of $11.4 billion, up 35 percent year-over-year. Operating incomes were also strong. Google Services reached $30.9 billion, up from $23.9 billion last year, and Google Cloud reached $1.95 billion, significantly up from last year’s $270 million.

It’s not specified how much they are saving by replacing people with AI, but it seems to be quite profitable.

@Skynet_Dreams

Geoffrey Hinton, often referred to as the "Godfather of AI," is a Nobel Prize winner in Physics in 2024. He has talked about the consciousness of AI and has created algorithms that can interact with data and make decisions similar to those made by humans. In various videos, he has expressed concerns that AI is doing things it is not supposed to do.

In simple terms, we may see another intelligent form of life emerging within the next decade. However, where we are heading with this technology and its ultimate use remains unclear.

Java for Everything: ☕

Java + Spring = Enterprise Applications

Java + Hibernate = Object-Relational Mapping

Java + Android = Mobile App Development

Java + Swing = Desktop GUI Applications

Java + JavaFX = Modern GUI Applications

Java + JUnit = Unit Testing

Java + Maven = Project Management

Java + Jenkins = Continuous Integration

Java + Apache Kafka = Stream Processing

Java + Apache Hadoop = Big Data Processing

Java + Microservices = Scalable Services

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Resume template

Starting your journey in Java development is a solid foundation in the software development world. As you gain experience, you might find new areas of specialization that pique your interest:

• Backend Development: If you enjoy building server-side applications and working with databases, diving deeper into backend development might be your next step. You’ll focus on creating robust and scalable systems using Java frameworks like Spring or Hibernate.

• Android Development: If you’re excited about creating mobile applications, specializing in Android development could be your calling. Java has been a core language for Android, and mastering it will allow you to build powerful apps for millions of users.

• Enterprise Application Development: If you’re interested in creating large-scale applications for businesses, focusing on enterprise Java (Java EE) might be the right path, where you’ll work on complex systems that serve thousands of users.

• Cloud Computing: If you're fascinated by cloud technologies, transitioning to cloud computing might be your next move, where you'll leverage Java to develop scalable applications on platforms like AWS, Google Cloud, or Azure.

• Microservices Architecture: If you’re passionate about designing flexible, modular systems, exploring microservices architecture could be a great fit, where you’ll break down large applications into smaller, independent services using Java.

• DevOps: If you enjoy automating and streamlining the development process, specializing in DevOps might be the path for you. You’ll integrate Java applications into CI/CD pipelines and manage their deployment and monitoring.

Even if you choose to stick with general Java development, there’s always something new to learn, especially with the continuous updates to the language and ecosystem.

The key is to keep coding, experimenting, and staying up-to-date with industry trends. Each step you take in Java development opens up new opportunities to build impactful and innovative software solutions.

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