TCL Interview Questions, Process, and Tips

Q1. Difference b/w deep copy and shallow copy
Ans. 
Deep copy creates a new copy of an object with all nested objects also copied, while shallow copy creates a new object with references to the original nested objects.
• Deep copy creates a new object and recursively copies all nested objects, resulting in a completely independent copy.

• Shallow copy creates a new object but only copies the references to nested objects, so changes in nested objects reflect in both the origin...read more
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Q2. Difference between foreach and map
Ans. 
foreach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• foreach does not return a new array, while map does

• foreach is used for side effects, while map is used for transformation

• Example: forEach - let numbers = [1, 2, 3]; numbers.forEach(num => console.log(num)); // prints 1, 2, 3

• Example: map - let numbers = [1, 2, 3]; let doub...read more
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Q3. Pure impure pipe
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Q4. Ngonchanges usage
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Q5. Basic array methods
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Q6. Difference null undefined empty values in js
Ans. 
null is an intentional absence of any value, undefined means a variable has been declared but not assigned a value, and empty values are variables that have been assigned a value of empty string, empty array, or empty object.
• null is used to represent the intentional absence of any value

• undefined means a variable has been declared but not assigned a value

• Empty values can be empty string (''), empty array ([]), or empty
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Time and distance, percentage, verbal

Related to ai and ml

Q1. How do you know about these job
Ans. 
I learned about this job through online job boards and networking with industry professionals.
• I actively searched for job opportunities on various online platforms such as LinkedIn, Indeed, and Glassdoor.

• I attended industry events and networking sessions to connect with professionals in the field who informed me about job openings.

• I researched the company and its job openings on their official website and social media ...read more
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Q2. What are you are strength and weekness
Ans. 
My strength is my ability to communicate effectively and my weakness is that I can be overly critical of myself.
• Strength: Effective communication skills - I am able to clearly convey information and ideas to others.

• Weakness: Being overly critical of myself - I tend to focus on my mistakes and shortcomings rather than celebrating my successes.

• Example: In my previous job, I was praised for my ability to lead team meeting...read more
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