Full Stack Software Engineer Interview Questions

1,393 full stack software engineer interview questions shared by candidates

Guys most of the question above, here I'm gonna share the question I failed, as I promised the interviewer that I'm gonna solve it, it just needs more time. The most difficult question is the following: we have this array: $input = [ 'item/id' => 'my_id', 'item/title' => 'my_title', 'item/group1/val1' => 'my_val1', 'item/group1/val2' => 'my_val2', 'summary' => 'xyz', 'item/group1/val3' => 'my_val3', ]; We need to convert it to : Array ( [item] => Array ( [id] => my_id [title] => my_title [group1] => Array ( [val1] => my_val1 [val2] => my_val2 [val3] => my_val3 ) ) [summary] => xyz ) This is using PHP.
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Senior Full Stack Software Engineer

Interviewed at Feedonomics

4.4
Mar 26, 2021

Guys most of the question above, here I'm gonna share the question I failed, as I promised the interviewer that I'm gonna solve it, it just needs more time. The most difficult question is the following: we have this array: $input = [ 'item/id' => 'my_id', 'item/title' => 'my_title', 'item/group1/val1' => 'my_val1', 'item/group1/val2' => 'my_val2', 'summary' => 'xyz', 'item/group1/val3' => 'my_val3', ]; We need to convert it to : Array ( [item] => Array ( [id] => my_id [title] => my_title [group1] => Array ( [val1] => my_val1 [val2] => my_val2 [val3] => my_val3 ) ) [summary] => xyz ) This is using PHP.

Given an event that is fired only once and multiple threads can register callbacks, all to be fired after the event occurs, how to prevent race conditions/all callbacks called properly. Buddybits, given an array of bits with each level above composed as the && of the two below, how to propigate the changes by setting a range to all 0's as well as in another operation set all to 1's.
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Software Engineer Full Stack

Interviewed at Everpure

3.5
Dec 18, 2018

Given an event that is fired only once and multiple threads can register callbacks, all to be fired after the event occurs, how to prevent race conditions/all callbacks called properly. Buddybits, given an array of bits with each level above composed as the && of the two below, how to propigate the changes by setting a range to all 0's as well as in another operation set all to 1's.

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