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12
Feb

Sencha Architect: How to use ViewModel to Bind Store into Grid Panel

In ExtJs (5+), one of the major features is MVVM (Model-View-ViewModel). It is an alternative approach of MVC. Basically, MVVM enables each view component have it’s own ViewController and ViewModel classes. This offers a number of benefits, better code management, smaller memory footprint, and better integration with automated tests. In this article, we explore how to use Sencha Architect to setup ViewModel relationship.
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11
Feb

PyQt: How to hide top level nodes in tree view

In Qt treeview, hidding top level nodes is different to hidding lower level nodes. Lets start with a simple treeview example with two non-empty branches. Here is the code:
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