How is K-means Algorithm used to cluster amazon products?

I have understood K-means algorithm, I wonder how does this algorithm applied to cluster products in amazon (I want to know technicality not the theory)

How do Login Systems work in andriod?

I am building an Android application, where i don't want to make it compulsory for the user to sing up with the app just to navigate the application, but i am presenting the sing up option in each activity screen of this application, Once the user si...

Does Julia have classes? if not then what is the replacement for class?

I'm switching from java to Julia now, I don't find the concept of class in Julia, what is the replacement for classes in Julia?

Why learn julia for data science?

I am learning julia language but i don't really know why? Many of my friends recommended me to learn julia because julia is going to become the language for data science but none of them could explain me why? python and R already exists then why juli...

Why pass an interface as an argument to a function in android?

While learning about Event Handling I came across the the below code Button button = (Button) findViewById(R.id.button_send); button.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { // Do something in response...

Can someone explain me how callback methods work?

I know what callback method is, but i'm confused what is the use of it? We can make a call to another function from an calling function, then why pass reference to function as an argument ? I see lot of callback methods being used in Android and I ne...

Where can I learn Julia from scratch?

Can you suggest some easy to implement data mining algorthims?

I have been asked to work on a project where i need to analyze the data given to me and extract some useful information out of it . Basically the data contains the information of what customers buy what products. I have no experience in data analyti...

Can someone help me understand the following concepts from Java Collection API?

How does Collection.sort() work in Java? What roles do Comparable and Comparator play in sorting? How can I implement Collection.sort() in my program? I am having tough time understanding above concepts. Please help me in understanding these conc...

How did you start your journey as a programmer and excelled in your field?