When you hear 'Big Data' and 'Analytics' in the same sentence it's usually about Storm and Hadoop. This time our team decided to take something different for a trial.
In our last Tikal Fuseday, we split into several groups to create data analytic applications. As in previous Fuseday, the idea was to learn and use lots of technologies, by creating a working “crash application” from scratch, developed in just a few hours of work.
No doubt that location data can add value to almost any mobile app today, not only to navigation apps. For example, you don't have to remember or write where you take each photo, and if you search for a resturant you'd see only places near by.
We made a simple app that record movements and sends data about the track to twitter (if you don't tell everyone, why bother?)
JMX, MXBeans – random thoughts and ideas
JMX has been around for a while. A very common use for JMX is to add it as a debug interface to a web application (https://rterp.wordpress.com/tag/mxbean/). The truth is that JMX is much more than that.
Post showing how to clean and shorten your code using Java 8's lambda's expressions and DTO-Entities mapping:
We all facing the cluttered overhead code when we need to convert our DTO’S to Entities(Hibernate Entities, etc..) and backwards. In my example ill demonstrate how the code getting much shorter with Java 8. Let’s create the Target DTO: ...
I have just saw the great hangout " Is T
How many JVM options did you use ever? If you run "java" without arguments, it will show you a couple of dozens of command line options. But even some very popular options, like -Xmx are not listed there. Let me introduce you to a magic command which can surprise you. Run this ...
$ java -XX:+AggressiveOpts -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+PrintFlagsFinal
We all know how the classic SQL injection works (http://en.wikipedia.org/wiki/SQL_injection). A new novel way to try the technique can be found in the following picture:
Thanks to all who attended this session. Here are the slides from it.
I was at a session for micro services. There were many sessions covering different aspects of micro services (for seeing of the sessions, have a look at: http://www.meetup.com/full-stack-developer-il/events/155911442). I would like to summarize some of the issues raised and to give my two cents on the topic.