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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.

JAVA Q. what are the reules of overriding. Why the rules are like that? I can understand if some one asked me why we cannot override static methodds. Q: List 5 demariies of ReactJS. Q: Leet code. A list contains many Strings except one string other can apper any number of times(duplicate strings Q: In transaction, while one thread will do updation another thread can not access it , dont use synchronization.
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Software Developer Specialist (Java Full Stack)

Interviewed at Nasdaq

3.9★
May 2, 2022

JAVA Q. what are the reules of overriding. Why the rules are like that? I can understand if some one asked me why we cannot override static methodds. Q: List 5 demariies of ReactJS. Q: Leet code. A list contains many Strings except one string other can apper any number of times(duplicate strings Q: In transaction, while one thread will do updation another thread can not access it , dont use synchronization.

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