Dev Hub requirements and assumptions

The following requirements and assumptions apply to Dev Hub.

Dev Hub assumptions

This help covers the functions necessary to get a basic extension up and running. It does not cover the rudimentary concepts of JavaScript.

Note: There is no separate installation package or additional license necessary for using the capabilities of Dev Hub. The editors, templates and code examples are provided with your default installation of Qlik Sense.

Before you start building visualization extensions, it is assumed that you have:

  • Some experience in Qlik Sense app development.

  • Good knowledge of the JavaScript programming language.

  • Some knowledge of Cascading Style Sheets (CSS).

Before you start building mashups, it is assumed that you have:

  • Some experience in Qlik Sense app development, along with wider experience in web development.

  • Good knowledge of the JavaScript programming language.

  • Good knowledge of the Hyper Text Markup Language (HTML).

  • Good knowledge of Cascading Style Sheets (CSS).

  • Although not a necessity, some knowledge of RequireJS.

    Note: Qlik Sense uses RequireJS for loading JavaScript modules, so the JavaScript needs to be created as a module and then included into your HTML file. For more information about RequireJS, refer to www.requirejs.org/.

Before you start creating and editing widgets, it is assumed that you have:

  • Some experience in Qlik Sense app development.

  • Good knowledge of the Hyper Text Markup Language (HTML).

  • Some knowledge of Cascading Style Sheets (CSS).

Before you start converting QlikView documents using the QlikView converter, it is assumed that:

  • You are familiar with the structure and content of the source QlikView application.

  • You understand the key Qlik logic in the form of expression syntax.

  • You understand that the QlikView converter tool aims to transfer as much of the QlikView content into QlikView content as is possible.

  • The QlikView converter tool does not attempt to recreate layout or layout logic in the target Qlik Sense application.

Dev Hub Limitations

Dev Hub and its tools are not designed for tablets and mobiles, and may therefore, not be optimally experienced when used on such platforms.

A maximum number of 10,000 records per data page can be fetched from the Qlik Associative Engine.

Microsoft Internet Explorer supports a maximum of 6 WebSocket connections. If you want to modify this, see http://msdn.microsoft.com.

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