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Precompilation unit is a compiled code that can be reused by multiple source files.
Precompilation unit is created by the compiler from the source code.
It contains the compiled code of header files and other dependencies.
It can be reused by multiple source files, reducing compilation time.
It is also known as precompiled header or PCH.
Example: stdafx.h in Visual Studio is a precompiled header file.
posted on 15 Feb 2016
The first 50 prime numbers are...
Start with 2, the first prime number
Check each odd number greater than 2
Use trial division to check if a number is prime
Stop when you have found 50 prime numbers
Sorting a file within a range
Use a sorting algorithm like quicksort or mergesort
Read the file and store the data in an array or list
Sort the array or list within the given range
Write the sorted data back to the file
I am a passionate software engineer with experience in developing web applications using various technologies.
Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular
Proficient in backend development with Node.js, Express, and MongoDB
Familiar with version control systems like Git and project management tools like Jira
posted on 27 Dec 2015
I am a passionate software engineer with experience in developing web applications and a strong background in computer science.
Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React
Strong background in computer science with knowledge in algorithms and data structures
Passionate about learning new technologies and solving complex problems
I have worked on various projects including a web application for inventory management and a mobile app for fitness tracking.
Developed a web application using React for inventory management
Created a mobile app using Flutter for fitness tracking
Implemented RESTful APIs for communication between frontend and backend systems
My area of interest is artificial intelligence and machine learning.
I have experience in developing machine learning models for predictive analytics.
I am interested in natural language processing and computer vision applications.
I enjoy exploring deep learning algorithms and neural networks.
I have worked on projects involving recommendation systems and image recognition.
C++ is a high-level programming language with features like object-oriented programming, templates, and memory management.
C++ supports object-oriented programming concepts like encapsulation, inheritance, and polymorphism.
Templates allow generic programming and code reusability.
C++ provides low-level memory manipulation through pointers.
Standard Template Library (STL) provides a collection of classes and functions for ...
Big Data refers to large and complex data sets that cannot be processed using traditional data processing methods.
Big Data is characterized by the 3Vs - Volume, Velocity, and Variety.
It requires specialized tools and technologies such as Hadoop, Spark, and NoSQL databases.
Examples of Big Data include social media data, sensor data, and financial market data.
Program to reverse a string without using string function
Iterate through the string from end to start and append each character to a new string
Use a loop to swap the first and last characters, then move towards the middle until the entire string is reversed
Convert the string to a character array, then swap the first and last elements until the entire array is reversed
I was responsible for designing and implementing the project's database and backend functionality.
Designed the database schema and created the necessary tables
Implemented the backend functionality using Java and Spring framework
Collaborated with team members to integrate the frontend and backend components
Tested the application and fixed any bugs or issues that arose
Presented the project to the faculty and received pos
Keys in a database are unique identifiers used to establish relationships between tables and ensure data integrity.
Keys are used to uniquely identify records in a database table.
Primary keys are used to uniquely identify each record in a table.
Foreign keys establish relationships between tables.
Keys help enforce data integrity and maintain consistency in the database.
Examples of keys include primary keys, foreign keys,
Issues in cloud include security, downtime, vendor lock-in, and data privacy.
Security concerns such as data breaches and unauthorized access
Downtime and service interruptions affecting business operations
Vendor lock-in and limited flexibility in choosing cloud providers
Data privacy and compliance with regulations such as GDPR and HIPAA
Developed a web application for online shopping using React and Node.js
Implemented user authentication and authorization using JSON Web Tokens (JWT)
Used MongoDB as the database to store user and product information
Implemented a search feature using Elasticsearch to provide fast and accurate search results
Integrated Stripe payment gateway for secure online transactions
The flow diagram of my final year project showcases the step-by-step process of its execution.
The flow diagram illustrates the sequence of activities and their dependencies.
It helps in understanding the overall structure and logic of the project.
Each step in the diagram represents a specific task or action.
Arrows indicate the flow of control or data between different steps.
Decision points are represented by diamond-sha...
Normalisation reduces data redundancy and improves data integrity in a database.
Prevents data duplication and inconsistencies
Simplifies database maintenance and updates
Improves query performance
Enforces data integrity and consistency
Follows best practices for database design
Examples: breaking down a customer table into separate tables for orders, addresses, and payments
Examples: creating a separate table for product ca...
I am a passionate software engineer with experience in developing web applications and a strong background in computer science.
Experienced in developing web applications using technologies like HTML, CSS, JavaScript, and React
Strong background in computer science with knowledge of algorithms and data structures
Familiar with agile development methodologies and version control systems like Git
I am a problem solver, team player, quick learner, detail-oriented, and have strong communication skills.
Problem solver - I enjoy tackling complex problems and finding innovative solutions.
Team player - I work well with others and value collaboration in achieving goals.
Quick learner - I am able to pick up new technologies and concepts quickly.
Detail-oriented - I pay attention to the smallest details to ensure high-qual...
Yes, I have a Bachelor's degree in Computer Engineering.
Bachelor's degree in Computer Engineering
Experience in software development
Knowledge of engineering principles applied to software design
My day was productive and challenging, with a lot of problem-solving and collaboration.
Completed a major coding project ahead of schedule
Participated in a brainstorming session with team members
Solved a tricky bug in the codebase
Attended a virtual meeting with stakeholders
No, I do not have any relatives in Pune. I have arranged for my accommodation in a rented apartment near the office.
No relatives in Pune
Accommodation arranged in a rented apartment near the office
Yes, My Passion Challenge test is a coding competition for software engineers.
My Passion Challenge test is a coding competition that evaluates the coding skills of software engineers.
It is designed to test problem-solving abilities, algorithmic thinking, and coding proficiency.
Participants are given a set of coding challenges to solve within a specified time limit.
The challenges can range from simple to complex, coveri...
Considering pursuing a Master's degree in Computer Science to deepen knowledge and advance career.
Considering pursuing a Master's degree in Computer Science
To deepen knowledge and advance career
Examples: MS in Computer Science at XYZ University, online courses in AI and Machine Learning
posted on 21 Mar 2015
I was interviewed before Aug 2016.
I was interviewed before Dec 2020.
Round duration - 60 minutes
Round difficulty - Easy
This was a 60 minute technical round involving questions based on data structures, OOPS concepts, DBMS and projects that I had mentioned in my resume.
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2)
, with initial conditions F(1) = F(2) = 1
.
Calculate the Nth Fibonacci number efficiently using recursion or dynamic programming.
Implement a recursive function to calculate the Nth Fibonacci number.
Use memoization to store previously calculated Fibonacci numbers for efficiency.
Consider using dynamic programming to optimize the solution.
Handle edge cases such as N = 1 or N = 2 separately.
Ensure the solution works efficiently for large values of N (up to 10000).
Operator overloading in OOP allows custom behavior for operators like +, -, *, etc.
Operator overloading is a feature in OOP that allows defining custom behavior for operators
Example: Overloading the + operator to concatenate strings or add two numbers
Example: Overloading the * operator to perform matrix multiplication
Function overloading is when multiple functions have the same name but different parameters or return types.
Allows multiple functions with the same name but different parameters or return types
Helps improve code readability and maintainability
Example: int add(int a, int b) and float add(float a, float b)
C is a procedural programming language while C++ is a multi-paradigm programming language with object-oriented features.
C is a procedural programming language while C++ supports both procedural and object-oriented programming.
C does not support classes and objects while C++ does.
C does not have built-in support for exception handling while C++ does.
C does not have namespaces while C++ does.
C does not have function over
Round duration - 45 minutes
Round difficulty - Easy
HR round that lasted for 45 minutes. Did brainstorming on puzzles and HR asked questions to know more about me.
Tips : During HR, think before you speak, they can catch any word that you speak. Prepare well for aptitude, as they shortlist less people after the test. Ask good questions during the end of the interviews. It might impress them. So prepare for it before going for the interview. Lastly, don’t be nervous, HRs are only trying to make you nervous during the interview as a part of the stress test.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Dec 2020.
Round duration - 60 minutes
Round difficulty - Medium
This was a 60 minute technical round where the interviewer asked programming based questions and questions on DBMS concepts.
Given an array of 'N' non-negative integers and an integer 'K', your task is to find the maximum elements for each subarray of size 'K'.
The first line contains...
Find the maximum elements for each subarray of size 'K' in an array of non-negative integers.
Iterate through the array and maintain a deque to store the indices of elements in decreasing order.
Pop elements from the deque if they are out of the current window of size 'K'.
The front of the deque will always have the index of the maximum element in the current window.
ACID properties are a set of properties that guarantee the reliability of transactions in database management systems.
Atomicity ensures that either all operations in a transaction are completed successfully or none of them are. For example, transferring money from one account to another should either be completed in full or not at all.
Consistency ensures that the database remains in a consistent state before and after ...
Write-ahead logging is a technique used in DBMS to ensure that changes are recorded in the log before they are applied to the database.
Write-ahead logging ensures that changes are first written to the log file before being applied to the database to maintain data integrity.
It helps in recovering the database in case of a system crash or failure by replaying the log entries to bring the database back to a consistent sta...
Deadlock avoidance schemes are strategies used to prevent deadlocks in a system.
Banker's algorithm: Ensures that the system will never enter an unsafe state by keeping track of available resources and only granting a request if it does not lead to a deadlock.
Wait-die and Wound-wait: Two deadlock prevention schemes used in transaction processing systems to avoid deadlocks by allowing transactions to wait or abort based ...
A clustered index is a type of index that sorts and stores the data rows in the table based on their key values.
Defines the order in which data is physically stored in a table
Only one clustered index per table
Helps in improving the performance of queries that involve range searches or sorting
Example: Clustered index on a table's primary key
Round duration - 60 minutes
Round difficulty - Easy
This was a 60 minute technical round where the interviewer asked data structure based questions, questions on OOPS and OS concepts.
A virtual function in C++ is a function that is declared within a base class and is redefined by a derived class.
Virtual functions allow a function to be overridden in a derived class.
They are used in polymorphism to achieve runtime binding.
The base class function must be declared as virtual for dynamic binding to occur.
Example: virtual void display() = 0; // pure virtual function
malloc() is used to dynamically allocate memory in C, while free() is used to release allocated memory.
malloc() allocates a block of memory of specified size and returns a pointer to the beginning of the block.
free() deallocates the memory previously allocated by malloc() or calloc().
Example: int *ptr = (int*)malloc(5 * sizeof(int)); // Allocates memory for 5 integers
Example: free(ptr); // Deallocates the memory alloca
Structure padding is the concept of adding empty bytes to a structure to align its data members on memory boundaries.
Structure padding is done to optimize memory access and improve performance.
Padding is necessary because most processors require data to be aligned on specific memory boundaries for efficient access.
For example, if a structure contains a char followed by an int, padding may be added after the char to ali
Round duration - 30 minutes
Round difficulty - Easy
HR based round that lasted for 30 minutes. The interviewer asked question to know more about me.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I was interviewed before Dec 2020.
Round duration - 90 minutes
Round difficulty - Easy
Online test had 6 parts-psychometric test, aptitude, logical, English, computer skills and 2 coding questions. Time given to us was 90 minutes. Paper was quite lengthy and of average difficulty level. I was able to complete all the sections, but only one coding question.
You are given a string STR
which contains alphabets, numbers, and special characters. Your task is to reverse the string.
STR = "abcde"
"e...
Reverse a given string containing alphabets, numbers, and special characters.
Iterate through the string from the end to the beginning and append each character to a new string.
Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.
Handle special characters and numbers while reversing the string.
Ensure to consider the constraints provided in the problem statement.
T...
Round duration - 60 minutes
Round difficulty - Medium
Firstly the interviewer asked me to introduce myself after he introduced himself. Since i went there as experienced guy he asked me about my workings in the current company. After that,he asked some programming questions, tested my concepts of DBMS and OOPS, and some puzzles.
Given an undirected and disconnected graph G(V, E) where V vertices are numbered from 0 to V-1, and E represents edges, your task is to output the BFS traversal starting from the ...
BFS traversal in a disconnected graph starting from vertex 0.
Implement BFS algorithm to traverse the graph starting from vertex 0.
Explore neighbor nodes first before moving to the next level neighbors.
Consider the bidirectional nature of edges in an undirected graph.
Output the BFS traversal sequence for each test case in a separate line.
Given a positive integer N
, your task is to identify all prime numbers less than or equal to N
.
A prime number is a natural number greater than 1 that has no po...
Identify all prime numbers less than or equal to a given positive integer N.
Iterate from 2 to N and check if each number is prime
Use the Sieve of Eratosthenes algorithm for efficient prime number identification
Optimize by only checking up to the square root of N for divisors
BCNF is a normal form in database management systems that ensures all determinants are candidate keys.
BCNF stands for Boyce-Codd Normal Form.
It is a stricter version of 3NF (Third Normal Form).
In BCNF, every determinant must be a candidate key.
It helps in reducing redundancy and anomalies in the database.
Example: If a table has columns A, B, and C, and A determines B and B determines C, then it is not in BCNF unless A
C is a procedural programming language while C++ is an object-oriented programming language with features like classes and inheritance.
C is a procedural programming language, while C++ is a multi-paradigm language with support for object-oriented programming.
C does not support classes and objects, while C++ does.
C uses structures for data organization, while C++ uses classes.
C does not have features like inheritance an...
Round duration - 60 minutes
Round difficulty - Easy
Again 2nd round started with an introduction from both sides. Then he started asking questions from resume itself. Working in the current company and all the projects that i have done. Few simple puzzles, OOPs concepts (with proper explanation and coding) and some database related questions(questions were easy you just need to brush up the basics). Some keywords related questions from C,C++,Java(usual questions like static ,final, abstract etc.). That was the 2nd round. Then I was called for the 3rd Round. Before 3rd round they also served tasty lunch.
Given a binary tree of integers, your task is to output the right view of the tree.
The right view of a binary tree includes the nodes that are visible when the tree is observed...
The task is to output the right view of a binary tree, which includes the nodes visible when observed from the right.
Traverse the tree level by level and keep track of the rightmost node at each level.
Use a queue for level order traversal and a map to store the rightmost nodes.
Print the values of the rightmost nodes stored in the map as the right view of the tree.
Round duration - 45 minutes
Round difficulty - Easy
After that he asked me what I knew about SAP and there products(Please do read all about SAP and there products-not all but at least some famous products like ERP). Then he asked me one puzzle.
Round duration - 45 minutes
Round difficulty - Easy
The round started with our Introduction to each other. After that interviewer asked me whether I do online shopping or not. I said yes then he asked me to design the online shopping portal using ER-Diagram . Then he asked me to create all the tables and populate it with data. Later on he asked me to normalize it. After all of this he asked me some simple puzzles and current salary and notice period. That was the 4th round.
After that I was asked to attend the final round and before 5th round they served snacks and tea to all of us.
Yes, I can design an ER diagram for an online shopping portal.
Entities: User, Product, Order, Payment, Cart
Relationships: User places Order, Order contains Product, Payment for Order, User has Cart
Attributes: User (id, name, email), Product (id, name, price), Order (id, date), Payment (id, amount)
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
based on 1 review
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