[Tips] – You can learn languages and have fun in the same time

It is a tool really nice to learn languages by listen music and by have a funny moments. It works … More

Think: Procrastination with the master !!!

Maybe you prefer procrastinate this and see other day or you can try and understand yourself better for find your … More

[Python] – What is @something above any method ?

The name of this is decorator. Normally you will see @staticmethod and @classmethod. This annotations call a function in your method. Definition … More

[Python] – How to run a python file ?

It’s really easy you can use : $python fileName.py

[Python] – How to open a python shell in the terminal ?

It’s so easy you can use the command : python

[ Books ] : DDD ( Domain-Driven-Design )

This book is excellent for you if you want be a better programmer. You will design and build a solution … More

PrimeFaces : How to do a dataTable with dynamic columns ?

You need use : <p:columns> {…} </p:columns> Full Example: <p:dataTable id=”resultadosTabela” scrollWidth=”1200px” var=”s” value=”#{timeLineController.selectSeasonals}” scrollable=”true” frozenColumns=”1″ resizableColumns=”true”> <p:column headerText=”Seasonals’]}”> <p:outputLabel … More

Primefaces : How to do selectOne without value to select ?

If you wan’t use list components and want have a select itens without value you can use this: <f:selectItem itemLabel=”Select … More