IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.

Qt 是一个1991年由Qt Company开发的跨平台C++图形用户界面应用程序开发框架。它既可以开发GUI程序，也可用于开发非GUI程序，比如控制台工具和服务器。Qt是面向对象的框架，使用特殊的代码生成扩展（称为元对象编译器(Meta Object Compiler, moc)）以及一些宏，Qt很容易 ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

An SR latch is a basic memory element in digital electronics that stores binary data using Set and Reset inputs.