qt day1

1、The time you come across with problem you can not figure out , try the "Help" module ,instead of search it on line armless.

*2.Can not find the Qt cmd "qt5.5.1 for desktop" and "android gcc" in computer of company;

#3.ecmascript/regular Expression

4.you best add semicolon at the end of each sentence

#5.== and != may perform type coercion ,use !== or === to avoid it;

6.string type's variable just can be read only;

*7.Qt.locale("zh_CN");

8.Once you have finish the usage of specific object ,just set "Null"to it;

9.eval()can not compile string type,if so ,it just cast the string to you .

#10.RFC4627 you can refer to it to learn something about json data transform formate;

#11.json

12.QQuickView the control of window is in cpp file; but for QQmlApplicationEngine,the qml file own the full control.

#13.xerox

#14.OpenGL

*15.Qt.quit();

#16.elideMode