Composite Design Pattern in Python

The structure of the composite design pattern, how it will look in Python and a succinct solution for example a console menu, that contain menu items, each of which could be a menu.

Integration Time Series Visualization Cubism.js in SmartGWT

This article demonstrates the integration JS library Cubism.js in SmartGWT application. Provides examples of configuration and guidelines for the project preparation to integration.

Using third-party JS libraries in SmartGWT

Although GWT frameworks and include it their words "richest set of GWT UI components", in fact, it turns out, for example, that their ability to visualization a very, very limited or practically absent in the free version (SmartGWT). As a result, finding the desired functionality in the libraries of JavaScript, in sight seeing such wonderful things as Raphaël and D3.
In fact, it turns out that the use of Smart GWT's extensive server-side components are not as easy as expected. How to do this is described below.

Comparison of JavaScript Data Visualization Libraries

In my previous review Choice Free JavaScript Data Visualization Library was considered more also 20 popular among developers JavaScript solutions for charts. In addition to a short description and a graphic example each library was considered from a perspectives of the licensing, visualization technology, HTML5 support and capability of the integration with GWT. In this review for Clarity these and additional characteristics combine in a matrix.

Choice Free JavaScript Data Visualization Library

Anyone who has ever had to deal with the data, understand the importance of visualization. One thing to show the user a table with dozens of rows and fields, and quite another visualize this data in a form of the chart. The great advantage of the chart, that it can be interactive - the ability to recognize the values of the point under mouse pointer, also zooming range of interest and other goodies.
Here a review of popular JavaScript libraries for drawing charts, that do not require Flash and can be used free of charge.