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Demistify stars in Python

Okay, not all. I’ll skip the one when we use it in a string literal. I promised that I walk you through how it can be used, but let’s check first how it cannot be used. It cannot be used as part o...

Coders at work: Dan Ingalls

Ingalls was originally a physicist. He went to Harvard where he took a course on Fortran and it pledged his fate. While he was doing his major at Stanford he started a company that took off later ...

Cypher tutorial: Relationships with a varying length

Let’s suppose we have a data model where we store all the winners of wine competitions. I mean virtually. There are nodes with the type of :COMPETITION and for each competition, we store the winnin...

Coders at work: Guy Steele

If you read the introduction of his chapter, it would mean no surprise at all that he works in a programming language research group. He is a true polyglot, he mentions about two dozens of language...

My perfect first day at a new job

Recently my project finished and I came back to my previous team to finish the year with them before I join a completely different department in my company. This morning I was looking out of my hea...

Cypher tutorial: OPTIONAL MATCH

I discovered OPTIONAL MATCH when I was preparing the code kata of Test Driven Development with Neo4j. First, let’s have a look at how the test data look like. You can see that there is one Wine...

Coders at work: Peter Norvig

I had a discussion a few days ago with a very good friend of mine about different topics including education. So far I’ve lived in two countries for a considerable time - Hungary and France - and I...

How I got my nicest pair of pens

I was on a business trip in Japan. We were preparing a migration, an important cutover. I felt really lucky to be able to visit Tokyo like this. In fact, these were my first business trips - yeah I...

Coders at work: Simon Peyton Jones

I think it’s always interesting to hear from famous and intelligent people about their weaknesses. Peyton Jones said that math was too hard for him at the university so he decided not to graduate i...

Cypher tutorial: the RETURN keyword

As usual, let’s examine what its counterpart can be in SQL. In this case it is definitely SELECT, however RETURN is a bit simpler. Putting that aside, the most important visual difference between t...