Life, Programming, Everything

Comonads still look a little bit enigmatic to programmers; I'm going to show a practical example from which one can start perceiving the...

I sincerely plan to explain in simple terms what's all this fuss about monoids, why we suddenly need these primitive structures, and how...

I'll try to explain to practicing programmers what this variance means, and how it is related to the famous and frequently misunderstood...

I think I have some ideas regarding what is the problem with inheritance and, specifically, multiple inheritance. Let's start with geome...

It is a pretty frequent problem: you need a million instances (ok, a billion if you are on a larger machine), and all the data are available...

Recently I encountered a problem of calculating a factorset, given a set and a binary relationship. If you ask wtf is binary relationship, i...

You probably know that if you use a value in an inner class, the evil Java compiler wants you to write "final"; people do all kind...

Just posted a new part, "Category of Java Sets" , in Easy Categories For Programmers .

An Excuse Well, I decided to gather all the code related to Function class in one "universe" container class, Functions. The other...

Recently chain builder calls in Java have been gaining popularity, look, e.g. at this . The idea is that you have a builder that has small c...

Say, somewhere in your test code, you need a list of nulls: List<Direction> directionsWithNullValues = Lists.newArrayList( null , null...

Since out of the 5 million Java programmers there's hardly 100 that actually know Java (I do not count myself in that holy hundred), we ...

Find your language below, and drag the grey square to bookmarks tab in your browser. Next time you open a page with edit field (e.g. blogger...

A problem with Java that everybody encounters from time to time is the following: static methods cannot override each other. If class A has ...