What am I missing here?
If you’re in a startup and have a full-time job a the same moment as I do, that’s a post for you.
Features and unit tests
Currently I’m involved in a greenfield project, which was happy enough to start as a event-sourced DDD. The paradigm fits well the domain, but there is some cost of zero-iteration...
Idempotence, pt. 2
In the previous post a few operations were taken into consideration, whether there are (not) idempotent. For the sake of reference, here there are:
Idempotence
Recently, I’ve been reading a lot of dddcrqs group. The reason was a project I’m writing, which will be implemented in a DDD paradigm using CQRS and the event sourcing....
Polymorphism and identifiers
Polymorphism makes you use truly unique identifiers. If you don’t agree, consider the following scenario: Imagine, that client wants you to create a registry (list view, whatever), that will enable...
Polymorphic count with NHibernate
If you’re a user of NHibernate, I hope you enjoy using polymorphic queries. It’s one of the most powerful features of this ORM allowing you to write queries spanning against...
DarkSwitch
Recently I found an article on my RSS InfoQ feed. I do understand that InfoQ presented a new information about some programming product, but it should be posted with a...
Deiphobus, no more SELECT n + 1
The previous post contained an information about lazy loading of group of properties, let’s call them families as it is called in the Cassandra. What about the following code. How...
Deiphobus, mapping properties groups to column families
As i it is stated in the official documentation, the column family can be compared to a table in the relational database and as with table, the main target of...
Deiphobus, lazy load
Last time, when an identity map of the Deiphobus was described, one user entity of was asked about several times. We already know, that the same object was returned, but...