NikosDev

@NikosDev

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Web Engineer

GreeceJoined February 2019

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Fullstack Engineer | Passionate about coding 🏆

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NNikosDevMar 8, 2019

1

Increasing sequence algorithm

In an inteview, i was asked to find the answer to the following algorithm question. Suppose you get a short input of increasing integers, say, "2 4", can you figure out what integers come after 4? If you assume the second integer is +2 greater than t...

MMark commented

NNikosDevFeb 26, 2019

3

How do you handle jwt token expiration?

Let's say we have the following scenario: A user login with correct credentials and he gets a token with expiration date. After some time (lets say 30 minutes) the token is expired and the user has to give again his credentials to be authorized. Our ...

NSNNikosDev and 2 more commented

NNikosDevFeb 20, 2019

2

How can i build slack clone with redis caching?

I am trying to make a slack clone using node.js, redis, mongoDB and socket.io. I have read that slack is using redis in their app and i am wondering what's the reason behind this? I am struggling to understand the caching flow! Is this diagram correc...

GCGijo and 1 more commented