Prime numbers

Algorithms Go Java

With this post I want to begin a series of posts about general algorithms. It is not an accident I started with the prime numbers. This is basic problem to solve when you are starting with programming. And one more reason – I was curious how RSA algorithm works and the important part of the algorithm is to generate two random big prime numbers.

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Loading images and caching them with Fresco in Android

Java Android Fresco

I am working for a Start Up project – DiagramArt, where we needed to create Android application which : load list of diagrams from API, show these diagrams to the user and some other stuff of course. The list consists from a preview picture, diagram’s title and its description. There is no problem to load and show these data, the problem was in the preview picture.

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How to send HTTP GET / POST request in Java


This post describes how to make HTTP GET and POST request on server. I will use httpbin server for testing. It returns you everything you send there : query params, post data, headers, etc.

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