The code presented here makes judicious use of Optionals, Functionals and the new Streaming interfaces.
It’s all very awesome, and makes me wonder: Java, what took you so long? … More Using Java 8 Optional and Functional interfaces to reduce boilerplate
Running unit tests for Apache Mesos, enabling Java (i.e., omitting the –disable-java flag in configure) you may run into the annoying “You need to install Java” popup, even though you have Java 8 correctly installed. The only workaround I’ve found so far (until I locate where in the test scripts we invoke the wrong version … More Annoying Java Popup when Testing Apache Mesos
Smelly Code I have recently been involved in a distributed SaaS application that was originally built by an offshore team; the chosen technologies (REST, Java, MongoDB) were actually valid technical choices for the problem at hand: they then proceeded to get it spectacularly wrong with a bloated (and unmanageable) data schema and an even worse … More Do Not Allow Bad Smells In Your Code
When testing a project that uses Spring Data repositories, we may want to insert ‘known-good’ data into arbitrary MongoDB collections, reading it, for example, from JSON iles (typically somewhere in the test/resources subtree). However, some of the data stored in Mongo is in BSON format, which extends the plain JSON format with some Object types … More Data-driven tests for Spring Data (MongoDB)
As anyone who has worked with me is well aware, I’m a great believer in code reviews – there is much to be said about a number of positive impacts on the project (and the developers’ professional growth too). This is a great article that sums up very well the benefits, as well as a … More Code Reviews
Note – the first post (Notes about the AWS JDK) can be found here The following are the (minimally edited) notes I’ve taken while attending the session at AWS re:Invent conference in Las Vegas, NV on 27-30 November, 2012. Keynote speech by Andy Jassy (Sr. Vice President, Amazon Web Services) It is clear we are still at … More AWS re:Invent – my notes (post 2 of 3)
From Werner Vogels (Amazon.com CTO) keynote speech at re:Invent: ControllableArchitect with cost in mind ResilientDon’t treat failure as an exception AdaptiveMake no assumptions Data DrivenPut everything in logs
