Software Engineer Intern

step1 : iterate over the entire string, also keep a count = 1 variable to store the frequency of the current character.
step2 : if the current character is not equal to the next character, we will store ans += current + count

step1 : explain the working of each loop.
step2 : write a small code to show example.

Tip 1 : Try to explain brute force first then move to a better approach.
Tip 2 : Feel free to ask for help from the interviewer.
Tip 3 : Do not give the best approach if you know in the first go.

step1 : use display: flex 
step2 : justify-content: center
step3 : align-item: center

step1 : explain the interviewer,
A pseudo-class is used to define a special state of an element.

For example, it can be used to:

Style an element when a user moves over it
Style visited and unvisited links differently
Style an element when it gets focus

step2 : write some code to show the interviewer

Tip 1 : Tell the interviewer about ACID properties, and then tell why you choose it here
Tip 2 : You must know SQL queries also( my interviewer on the spot made a question and I had to make a SQL query for that )
Tip 3 : Do revise core subjects

Tip 1 : Try to explain brute force first then move to a better approach.
Tip 2 : Feel free to ask for help from the interviewer.
Tip 3 : Do not give the best approach if you know in the first go.

Tip 1 : Be confident and try to speak clearly.
Tip 2 : Use the STAR method to answer.
Tip 3 : Make sure you are showing never give up attitude in your answer.

Tip 1 : Feel free to negotiate your timing and stipend.