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PySide version 1 was released in August 2009 under the LGPL by Nokia, [1] then the owner of the Qt toolkit, after it failed to reach an agreement with PyQt developers Riverbank Computing [10] to change its licensing terms to include LGPL as an alternative license.
PyQt is a Python binding of the cross-platform GUI toolkit Qt, implemented as a Python plug-in.PyQt is free software developed by the British firm Riverbank Computing. It is available under similar terms to Qt versions older than 4.5; this means a variety of licenses including GNU General Public License (GPL) and commercial license, but not the GNU Lesser General Public License (LGPL). [3]
On December 4, 2018, Flutter 1.0 was released at the Flutter conference in London. [31] On May 6, 2020, the Dart software development kit version 2.8 and Flutter 1.17.0 were released, adding support for the Metal API. [32] On March 3, 2021, Google released Flutter 2 during an online Flutter Engage event.
Tkinter is a binding to the Tk GUI toolkit for Python.It is the standard Python interface to the Tk GUI toolkit, [1] and is Python's de facto standard GUI. [2] Tkinter is included with standard Linux, Microsoft Windows and macOS installs of Python.
Since Tcl/Tk 8, it offers "native look and feel" (for instance, menus and buttons are displayed in the manner of "native" software for any given platform). [6] Highlights of version 8.5 include a new theming engine, originally called Tk Tile, [ 7 ] but it is now generally referred to as "themed Tk", as well as improved font rendering. [ 8 ]
Pull-to-refresh in the Wikipedia mobile app. Pull-to-refresh is a touchscreen gesture developed by Loren Brichter.It consists of touching the screen of a computing device with a finger or pressing a button on a pointing device, dragging the screen downward with the finger or pointing device, and then releasing it, as a signal to the application to refresh the contents of the screen.
Meta refresh tags have some drawbacks: If a page redirects too quickly (less than 2–3 seconds), using the "Back" button on the next page may cause some browsers to move back to the redirecting page, whereupon the redirect will occur again. This is bad for usability, as this may cause a reader to be "stuck" on the last website.
Django (/ ˈ dʒ æ ŋ ɡ oʊ / JANG-goh; sometimes stylized as django) [5] is a free and open-source, Python-based web framework that runs on a web server. It follows the model–template–views (MTV) architectural pattern.