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Americaneagle.com
Er werd een Web Developer gevraagd...15 maart 2017

1) Clustered and Non Clustered (SQL)?

7 antwoorden

What other types questions were on the written test?

Given a scnerio, create a database model

How to improve performance?

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Google

1) Given a string of parantheses, check if the string is valid. ex: [[]] is valid, ][][ is not valid. How would you solve if the parantheses could be of different types like {,[,(

6 antwoorden

Stack the parenthesis up. 1st of course the first parenthesis will go on to the stack. If you see a closing parenthesis, pop the stack and see if the parenthesis matches the one which is just read(closing one), if no match? error else keep going. Minder

Use a counter to track the status. Stack solution is no difference from this. Seeing an opening parenthesis increment the counter. Seeing a closing parenthesis decrement the counter. Check the counter is always non-negative. Counter has to be zero when string ends. Minder

To Aegis: If you take "[" as 1 and "]" as -1, then ][][ starts from -1. We can say that's invalid right away. Minder

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MountBlue Technologies

Print patterns like Swastic sign, 2-D Array manipulations(Bit Difficult) and String manipulations.

6 antwoorden

They will mail the exact date. The joining date is between 6-16 aug. The difficulty of 2nd round was medium. One question was a bit difficult and the rest were medium.If you are good at coding and regularly doing it then you can easily crack it. Minder

when is your joining??what is the difficulty of 2nd round?

what questions were asked in 2nd round?

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Spotify

You have 1000 computers. Each computer contains a text file containing 1 billion floating point numbers. Design an algorithm or algorithms for extracting the top 1000 numbers from the entire list. Describe in detail how long it would take to process and why.

6 antwoorden

1. 1000 computers - parallel 2. the problem can be divided into 2 parts. (1) find the top 1000 numbers from that 1 billion numbers in one computer To do this. we just need to use merge sort. Everytime use the left part. With some calculation, the solution for this is actually O(N). n is 1 billion. (2) get that top 1000 from the 1k * 1k list. (easy) Minder

There is a very nice parallel sorting algorithm with a very good iso-effeciency. It is called Sample-sorting. I would use that. Minder

You could do a bunch of crazy stuff too... Map reduce and parallel stuff is kinda a given. You'd be reading in strings, so before converting them to numbers, you could just check the position of the comma/point, and skip if your comma/point counter is at a higher value. If there's a minus sign in the beginning ignore the number, provided you already have 1000 positive numbers. Do something crazy with a stream and a router. Write a HD driver that scans the sign bit and exponent bits. lol Find a way to scan vertically for the comma/point. And you wouldn't be sorting you'd be searching. Ideally, it would take as long as it takes to read 1 text file from disk, because you'd be kinda faux streaming it through your code, plus a little extra time, multiplied by the number of files. You'd get a nice boost from dividing your file by the number of processors. 32 cores = 32 pieces of file being processed at the same time. Minder

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PE International

"If you were stranded on a desert island, what three development tools would you bring with you?"

5 antwoorden

This ridiculous, senseless question was the first one asked. It set the tone for what was to follow. Minder

IDE, Build Tools, Version Control!

Git, Codio, and Netflix

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Bloomberg L.P.

What is a JavaScript callback function?

5 antwoorden

A callback function is a piece of JavaScript code that executes after the main function that the callback is attached to executes successfully. Minder

udaykanth, I would say that a .forEach() would be the most common and most basic use of a callback function. I'm just writing this to help anyone that might have a hard time thinking up a quick example if the come across this question themselves. Example: var numArray = [ 1, 2, 3 ] ; numArray.forEach( function( i ) { console.log( arr[ i - 1 ] ) } ) ; // logs out // 1 // 2 // 3 Minder

Is there a front end role at bloomberg. I guess your position must have been labelled software dev right? altho ur a dront end dev Minder

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Boeing

difference between null and void

5 antwoorden

How much salary did they offer you?

Could you please tell us what can be the expected salary for 4-5 years of experience candidate. Minder

What is the salary for full stack developer and is this a good company to work as a fresher? Minder

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Intrepid Pursuits

Reverse an array without using the reverse method, without using a second array, and without duplicating any of the values.

5 antwoorden

def reverseNoDuplication(s): m = len(s) for i in range(m - 1, -1, -1): if s[i] not in s[m:]: s.append(s[i]) return s[m:] Minder

var arr = [1,2,3,4,5,6] for i in 0..

var arr = [1,2,3,4,5,6] for i in 0..

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Max's Group

Was I okay with working with different teams and brands to achieve a common goal

5 antwoorden

Yes, working with other teams will help you to make the goal easily

Ok..

Ok..

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PRDXN

create an exact replica of an image given by them using HTML and CSS

4 antwoorden

Will you please tell , What type of web page was given to you. For example??

Can you use google

How did you created the replica of the image

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