大约有 3,000 项符合查询结果（耗时：0.0088秒） [XML]
AppInventor如何扫二维码？扫码结果如何与Web进行交互？ - App Inventor 2 ...
...：请问扫二维码怎么实现？
[hide]A：使用“条码扫描器”组件：https://www.fun123.cn/reference/ ... html#BarcodeScanner
属性“使用外部扫描”设置为假，其他没有啥要注意的。就调用一下扫描方法，就能使用摄像头扫二...
AppInventor2项目是自动保存的吗？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...目菜单 -> 保存项目：
-------------------
Q：每次修改组件/代码块之后，AI伴侣如何及时更新？
连接菜单 -> 刷新AI伴侣屏幕：
界面有更新会自动刷新；代码块有更新需要点上面菜单手动刷新后立马生效。
千万不要傻乎...
SpeechRecognizer 语音识别扩展：获取设备支持的语音识别语言列表 · App I...
...
介绍
此扩展基于语音识别器组件的 RecognizerIntent 类。RecognizerIntent 类不允许在短语中间停止监听，因此此扩展无法提供此功能。
使用此扩展需要 android.permission.INTERNET 权限。
下载
...
How can I make Flexbox children 100% height of their parent?
...ndeed the best answer for this question.
– Øyvind Bråthen
Sep 12 '19 at 9:38
31
don't forget to...
Is there a difference between “==” and “is”?
...ption, but that said == None works too...
– Jean-François Fabre♦
Jul 24 '19 at 6:20
@Jean-FrançoisFabre Another ex...
Why does Python print unicode characters when the default encoding is ASCII?
...;>> print sys.stdout.encoding
UTF-8
>>> print '\xe9' # (1)
é
>>> print u'\xe9' # (2)
é
>>> print u'\xe9'.encode('latin-1') # (3)
é
>>>
(1) python outputs binary string as is, terminal receives it and tries to match its value with latin-1 character ma...
Search of table names
...
Includes views too :-)
– François Breton
Nov 2 '17 at 15:46
add a comment
|
...
How to change value of object which is inside an array using JavaScript or jQuery?
...lol2'
}
};
projects.jqueryUi.desc = 'new string';
(In according to Frédéric's comment you shouldn't use hyphen in the object key, or you should use "jquery-ui" and projects["jquery-ui"] notation.)
share
|
...
Why use sprintf function in PHP?
...ound = "A keresett eljárás (%s) nem található."
bad_argument = "Érvénytelen paraméterek a(z) %s eljárás hívásakor."
bad_arg_no = "Érvénytelen %d. paraméter a(z) %s eljárás hívásakor."
The inserted variables don't even have to be at the beginning or the end across multiple la...
Create empty file using python [duplicate]
...t's also unix-only. Won't work on windows
– Jean-François Fabre♦
Aug 13 '18 at 22:01
It is the only way if you abso...