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Promises in JavaScript are a way to handle asynchronous operations and avoid callback hell.
Promises represent a value that may not be available yet but will be resolved at some point in the future.
They have three states: pending, fulfilled, or rejected.
Promises can be chained using .then() and .catch() methods.
They help in writing cleaner and more maintainable code.
Example: new Promise((resolve, reject) => { ... }).the...
Async/await is a way to write asynchronous code in a synchronous style in JavaScript.
Async/await is built on top of Promises.
It allows us to write asynchronous code that looks like synchronous code.
The 'async' keyword is used to define an asynchronous function.
The 'await' keyword is used to pause the execution of a function until a Promise is resolved.
Async/await makes error handling easier by allowing us to use try/ca...
Write a program to find duplicate records in array
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I applied via Referral and was interviewed in Apr 2021. There were 3 interview rounds.
I applied via Company Website and was interviewed in Jan 2021. There were 3 interview rounds.
In five years, I envision myself as a senior analyst, leading projects and mentoring junior team members while driving impactful data-driven decisions.
I aim to develop expertise in advanced analytics tools, such as Python and R, to enhance data modeling capabilities.
I plan to take on leadership roles in projects, guiding teams to deliver actionable insights that align with business goals.
I aspire to mentor junior analy...
To debug a particular program without affecting others, use breakpoints and step through the code.
Set a breakpoint in the program you want to debug
Step through the code using a debugger to identify the issue
Use logging statements to track the flow of the program
Check the call stack to see which functions are being called
Use conditional breakpoints to stop the program at specific points
I applied via Walk-in and was interviewed before Jun 2021. There were 2 interview rounds.
HR told about the company on the first day, how it works, told the rules, showed the management and a lot
I applied via Approached by Company and was interviewed before Jul 2021. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
If and Switch Case statements are used for conditional branching in programming.
If statements are used for simple conditional branching.
Switch Case statements are used for multiple conditional branching.
If statements are more flexible than Switch Case statements.
Switch Case statements are more efficient than If statements for large number of conditions.
If statements can be nested, but Switch Case statements cannot.
Exam...
Yes, algorithms and pseudocodes are still important in IT Services.
Algorithms are used in various fields of IT such as machine learning, data analysis, and cryptography.
Pseudocodes are used to plan and design algorithms before coding them.
Understanding algorithms and pseudocodes is essential for software engineers to write efficient and optimized code.
Examples of algorithms include sorting algorithms, search algorithms...
Yes, I am comfortable using both CLIs and IDEs for my daily tasks.
I have experience using various CLIs such as Git Bash, Windows Command Prompt, and Terminal on macOS.
I am proficient in using IDEs such as Visual Studio Code, Eclipse, and IntelliJ IDEA.
I understand the benefits and drawbacks of both CLIs and IDEs and can choose the appropriate tool for the task at hand.
I applied via Referral and was interviewed in Dec 2020. There were 4 interview rounds.
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