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Home/coding

Mains Answer Writing Latest Questions

Ishita
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IshitaBegginer
Asked: August 11, 2024In:
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Explain the different types of data input that are necessary in writing a code of Python.

codingcomputerdatadevelopmentitpythonweb
  1. Guru
    Guru Enthusiast

    A Data type is an attribute associated with a piece of data that tells a computer system how to interpret its value. There are many different type of Data types in Python but the major ones or the most essential ones are : String, represent by "str", which is used to store alphabets, Words, SentenceRead more

    A Data type is an attribute associated with a piece of data that tells a computer system how to interpret its value.

    There are many different type of Data types in Python but the major ones or the most essential ones are :

    1. String, represent by “str“, which is used to store alphabets, Words, Sentences.
    2. Integers, represent by “int“, used to store numbers.
    3. Boolean, short form by “bool“, which pass the given statement as “True” or “False” only.
    4. Float, which is much similar like integers, which stores the after decimal values.
    5. Array, which is a collection of data type in which we can store Words, numbers, Sentences etc… .

    There are many more other type of data types but are only subtypes of the given 5 major ones.

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Tushar Verma
  • 0
Tushar VermaBegginer
Asked: August 3, 2024In: ,
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What is logistic regression?

algorithmcodingmachinelearning
  1. Kiruba Karan
    Kiruba Karan Begginer
    Machine Learning algorithm

    Logistic regression is a statistical method used for binary classification problems, where the outcome is one of two possible categories. It models the relationship between a dependent binary variable and one or more independent variables by estimating probabilities using a logistic (sigmoid) functiRead more

    Logistic regression is a statistical method used for binary classification problems, where the outcome is one of two possible categories. It models the relationship between a dependent binary variable and one or more independent variables by estimating probabilities using a logistic (sigmoid) function. The output is a probability value that is mapped to one of the two possible classes using a threshold, typically 0.5.

     

    In logistic regression, the model predicts the log-odds of the dependent variable being in a particular category. The log-odds are a linear combination of the independent variables.

     

    Where:

    – \( p \) is the probability of the dependent variable being 1.

    – \( \beta_0 \) is the intercept.

    – \( \beta_1, \beta_2, \ldots, \beta_n \) are the coefficients of the independent variables \( X_1, X_2, \ldots, X_n \).

     

    Logistic regression is widely used in fields such as medicine, finance, and social sciences for tasks like disease prediction, credit scoring, and survey analysis.

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FatimaM
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FatimaMBegginer
Asked: July 31, 2024In:
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What strategies do you use to overcome obstacles when learning to code or working on a programming project?

codecodingcomputeritprogrammingquestionstrategiestechtechniqueswork
  1. Regina98
    Regina98 Begginer

        Overcoming coding challenges can be daunted, but with positive mindset and certain right procedures, we can easily figure it out. Let me share few steps to keep in mind. Understand the problem thoroughly Write the pseudo code Break down the program Write the code Test with sample test cases ConsRead more

        Overcoming coding challenges can be daunted, but with positive mindset and certain right procedures, we can easily figure it out. Let me share few steps to keep in mind.

    1. Understand the problem thoroughly
    2. Write the pseudo code
    3. Break down the program
    4. Write the code
    5. Test with sample test cases
    6. Consistent practice
    7. Seek the help if needed.

    1) Understand the problem thoroughly:

    Read the program statement clearly and note down the input and required output. Clarify all the doubts regarding the question.

    2)Write the pseudo code:

    Don’t try to write the code immediately after reading the problem statement. Try to analyze and write pseudo code / algorithm.

    3)Break down the code:

    This is the effective way of solving the error and problems. After writing pseudo code, start to write the code and break down the code to check using multiple printf function method.

    4)Write full code:

    Write full code with the help of pseudo code

    5)Test with sample test cases:

    Test your solution with the sample test cases and note down the result. Try to make your solution optimized.

    6)Consistent practice:

    “Practice makes a man perfect”  

    Practice consistently and learn from the mistakes.

    7)Seek the help if needed:

    Don’t hesitate to ask help from the experts or teachers. It will make your solutions effective.

    Hope this writing helps you to overcome the challenges in coding. Also comment if any queries regarding this.

     

     

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Arka Saha
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Arka SahaBegginer
Asked: July 24, 2024In:
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codingquantum
  1. Mansha
    Mansha Learner

    Quantum Computing Programming Languages Qiskit Developed By: IBM Core Language: Python Features: Works with quantum circuits, simulators, and IBM quantum devices. Cirq Developed By: Google Core Language: Python Features: Designed for quantum circuits, especially on Google’s quantum processors. Q# DeRead more

    Quantum Computing Programming Languages

    1. Qiskit
      • Developed By: IBM
      • Core Language: Python
      • Features: Works with quantum circuits, simulators, and IBM quantum devices.
    2. Cirq
      • Developed By: Google
      • Core Language: Python
      • Features: Designed for quantum circuits, especially on Google’s quantum processors.
    3. Q#
      • Developed By: Microsoft
      • Core Language: Proprietary
      • Features: Part of Microsoft Quantum Development Kit, focused on quantum algorithms and simulation.
    4. Forest (pyQuil)
      • Developed By: Rigetti Computing
      • Core Language: Python
      • Features: Uses Quil for quantum programming on Rigetti’s processors.
    5. PennyLane
      • Developed By: Xanadu
      • Core Language: Python
      • Features: Specializes in hybrid quantum-classical computations, useful for quantum machine learning.

    Differences from Classical Languages

    • Computation Nature: Quantum uses qubits (superposition, entanglement); classical uses bits (0/1).
    • Programming Constructs: Quantum focuses on quantum gates/circuits; classical uses loops, conditionals.
    • Algorithm Design: Quantum leverages quantum phenomena; classical follows deterministic/probabilistic models.
    • Error Handling: Quantum needs advanced error-correction; classical uses standard debugging.
    • Execution Environment: Quantum requires specialized quantum processors; classical runs on deterministic classical processors.

    Quantum computing languages leverage quantum mechanics principles, differing fundamentally from classical languages like Python, C++, and JavaScript.

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Ragul S
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Ragul SBegginer
Asked: July 21, 2024In: , ,
  • 0

Why in recent days there is a boom towards learning python? What is your idea regarding learning python and in which field we use python?

codingprogrammingquestion
  1. Siddhartha Chatterjee
    Siddhartha Chatterjee Begginer

    People are increasingly learning Python programming due to its versatility and widespread application in data science, machine learning (ML), artificial intelligence (AI), and high-frequency trading (HFT). Data Science: Python's robust libraries, such as Pandas, NumPy, and Matplotlib, simplify dataRead more

    People are increasingly learning Python programming due to its versatility and widespread application in data science, machine learning (ML), artificial intelligence (AI), and high-frequency trading (HFT).

    Data Science:

    Python’s robust libraries, such as Pandas, NumPy, and Matplotlib, simplify data manipulation, analysis, and visualization. Its ease of use and readability make it ideal for handling large datasets and performing complex computations.

    Machine Learning (ML) and Artificial Intelligence (AI):

    Python offers powerful libraries like TensorFlow, Keras, and PyTorch that streamline the development of ML and AI models. Its simplicity allows researchers and developers to focus on innovation rather than intricate syntax, accelerating the implementation of algorithms and models.

    High-Frequency Trading (HFT):

    Python’s efficient data processing capabilities and extensive libraries make it suitable for HFT, where speed and accuracy are critical. Libraries such as NumPy and Pandas enable quick data analysis and decision-making, essential for executing trades within milliseconds.

    These are the reasons as well as the booming areas for a career in python

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Aniket Shewale
  • 0
Aniket ShewaleBegginer
Asked: July 20, 2024In: ,
  • 0

browsercodingcompilationprogramming
  1. Shubham Chaubey
    Shubham Chaubey Begginer

    JavaScript is primarily an interpreted language, although modern JavaScript engines use a combination of interpretation and Just-In-Time (JIT) compilation techniques to improve performance. Traditionally, JavaScript code is executed directly by the browser's JavaScript engine, such as V8 in Chrome oRead more

    JavaScript is primarily an interpreted language, although modern JavaScript engines use a combination of interpretation and Just-In-Time (JIT) compilation techniques to improve performance. Traditionally, JavaScript code is executed directly by the browser’s JavaScript engine, such as V8 in Chrome or SpiderMonkey in Firefox, without requiring a separate compilation step. This allows JavaScript to be executed immediately as it is read and parsed.

    However, to enhance execution speed, contemporary JavaScript engines employ JIT compilation. JIT compilation involves compiling JavaScript code into machine code at runtime, rather than ahead of time. This approach optimizes frequently executed code paths, improving performance compared to straightforward interpretation.

    In summary, while JavaScript is fundamentally an interpreted language, modern engines blend interpretation with JIT compilation to achieve better execution efficiency. This hybrid approach allows JavaScript to maintain its dynamic, flexible nature while also delivering improved performance in practice.

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Shreeyash Patil
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Shreeyash PatilBegginer
Asked: July 19, 2024In:
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codingcomputers and itcomputers upscengineeringoopspolymorphismsoftware engineeringupsc
  1. Anusree Sanalkumar
    Anusree Sanalkumar Begginer

    Polymorphism in Object-Oriented Programming allows methods to do different things based on the object it is acting upon, even if they share the same name. It lets one interface be used for a general class of actions, making code more flexible and reusable. Imagine you have a book class with a methodRead more

    Polymorphism in Object-Oriented Programming allows methods to do different things based on the object it is acting upon, even if they share the same name. It lets one interface be used for a general class of actions, making code more flexible and reusable.

    Imagine you have a book class with a method called “summary()”. If you create two types of books, “novel” and “biography”, each type can have its own version of “summary()”. When you use the “summary()” method on a book, it will show the right summary based on whether the book is a “novel” or a “biography”. Even though you use the same method name, it does different things depending on the type of book.

    class Book:
  def summary(self):
    return "This is a book."

class Novel(Book):
  def summary(self):
    return "This is a fictional story."

class Biography(Book):
  def summary(self):
    return "This is a real-life story."

novel = Novel()
biography = Biography()

print(novel.summary())
print(biography.summary())

    In this simpler code, the “summar()” method in the “book” class provides a general description, while the “novel” and “biography” classes override it with their specific summaries.

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Shreeyash Patil
  • 0
Shreeyash PatilBegginer
Asked: July 19, 2024In:
  • 0

codingcomputerscomputers upscit and computersjavasoftware engineeringupsc
  1. Devyush Raturi
    Devyush Raturi Learner

    Java's garbage collection process automatically manages memory for objects in the heap. Here's a simplified breakdown: Identifying Unused Objects: The garbage collector scans the heap to find unreachable objects. These are objects with no references pointing to them from your program. Marking ReachaRead more

    Java’s garbage collection process automatically manages memory for objects in the heap. Here’s a simplified breakdown:

    1. Identifying Unused Objects: The garbage collector scans the heap to find unreachable objects. These are objects with no references pointing to them from your program.

    2. Marking Reachable Objects: It starts by identifying “root” objects (global variables, local variables holding references). Then, it traces all objects reachable from these roots. Reachable objects are considered in use.

    3. Cleaning Up: Unreachable objects are deemed garbage and removed from memory, freeing up space in the heap.

    This is a basic overview. There are different generations in the heap with varying collection frequencies, and some garbage collection cycles may involve compacting the heap to improve memory allocation efficiency.

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Shreeyash Patil
  • 0
Shreeyash PatilBegginer
Asked: July 19, 2024In:
  • 0

codingcompilercomputer and technologycomputers upscinterpreterupsc
  1. Devyush Raturi
    Devyush Raturi Learner

    Both compilers and interpreters translate code written in a high-level language that humans understand into machine code that computers can execute. However, they differ in their approach: Compilation: A compiler analyzes the entire program at once, translating it into machine code all at once. ThisRead more

    Both compilers and interpreters translate code written in a high-level language that humans understand into machine code that computers can execute. However, they differ in their approach:

    • Compilation: A compiler analyzes the entire program at once, translating it into machine code all at once. This machine code can then be run directly on the computer without needing the compiler again. Compiled programs tend to be faster as the machine code is optimized for the specific system.

    • Interpretation: An interpreter reads the code line by line, translating and executing each line on the fly. There’s no separate machine code generated. This makes interpreted programs slower but allows for more interactive development and easier debugging since errors are caught line by line.

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Shreeyash Patil
  • 0
Shreeyash PatilBegginer
Asked: July 19, 2024In:
  • 0

codingcomputers and technologycomputers upscdns system in computerssoftware engineeringupsc
  1. Rahul
    Rahul Begginer

    DNS, or Domain Name System, plays a crucial role in making the internet easy to use. Here's how: Imagine DNS as a giant phone book for the internet. When you type a website name (like www.example.com) into your browser, DNS translates that human-readable name into the numerical IP address that compuRead more

    DNS, or Domain Name System, plays a crucial role in making the internet easy to use. Here’s how:

    Imagine DNS as a giant phone book for the internet. When you type a website name (like http://www.example.com) into your browser, DNS translates that human-readable name into the numerical IP address that computers use to identify each other (like 192.0.2.1).

    Without DNS, you’d have to remember complex number sequences for every website you want to visit. DNS does this translation quickly and automatically, allowing you to use simple names instead.

    DNS also helps distribute internet traffic by allowing multiple IP addresses for popular websites. This lets users connect to servers that are closer or less busy, improving speed and reliability.

    In essence, DNS acts as a bridge between how humans prefer to navigate the internet and how computers actually communicate, making the whole system work smoothly for users.

    See less
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