Knowledge is power
Are you planning to upgrade your application to newer version of ExtJS? Read this article to see how to start with UI analysis and what to write to the Design Document.
You should not read this post. It describes a bad practice.
Although Sencha Cmd is a very useful tool for application scaffolding, creating view, controllers and models, sometimes it is faster to use a single-file app. It is especially useful for fast testing, prototyping or concept proof. Read how to do it.
Calculated fields are fields that do not have their own values, but the values are calculated from the other fields of the same record. It is easiest to implement them in Model.
Knowing the phases of component life cycle is important for every developer. Learn what the phases are and what is happening in each of them.
Don’t you like 16×16 icons? Or they just do not look good on your Retina display anymore? Read this post to learn how to use Font Icons that are scalable, resolution independent and they always look good.
There can be cases where we have an existing page and we just need to insert a grid, from or tree into it. The approach is very simple…
In essence, factory functions are class methods that manufacture items or other properties during the instantiation of the class. This article explains pros and cons of factory function and how to use them correctly.
If you modify records of an editable grid with paging and if you then page-out, your changes are lost. This article shows easy implementation of keeping modified records while paging.
Event listeners are installed by calling on method in Ext and Touch. However, there is also other possibility and that is calling mon. Read the article to find out what is the difference and what are benefits of mon/mun.