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Appinventor 音效调用播放后没有声音？ - App应用开发 - 清泛IT社区，为创新赋能！
...观察代码，才发现调用播放后，又调用了停止方法，导致的声音不播放问题，去掉即可。
当然如果因为音频文件损坏等原因，也可能无法正常播放，这时可以先去资源区，点击隐私文件，菜单中选择预览，可以预览播放，事...
为什么“Screen1.初始化”方法报错？ - App应用开发 - 清泛IT社区，为创新赋能！
Q：为什么“Screen1.初始化”方法报错？
A：可以点击红色叉叉查看报错具体原因。不过这里一看就是方法重复定义导致的。也就是有两个这个方法，去掉一个就行了。
翻牌游戏App - .aia 案例源码 - 清泛IT社区，为创新赋能！
屏幕数量：3个，代码块200左右，游戏完成度很高，可玩性非常好，有很好的学习参考价值。
apk可以安装试玩。
有没有滑动选择框拓展？ - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
Q: 有类似这种滑动选择的相关拓展吗？
WheelView：滚轮选择框扩展 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
WheelView, like number picker, but can be any strings.original code from WheelView: 效果类似android4.0以上原生的DatePicker 18Thanks @wildcontrol to sponsor this extensionDemo picture:this demo used 3 extensionsAll the blocks
来源：https://wangsk789.github.io/wheelview/
Remove non-utf8 characters from string
...aps API reported the error due to 'non-UTF-8 character' in the API request URL. The culprit was í character in the address field which IS a valid UTF-8 character see table. The morale: do not trust API error messages :)
– Valentine Shi
May 17 '19 at 5:23
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Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
...to place the repo:
git init
or clone a repository
git clone <remote-url>
cd <repository>
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Google Maps V3: How to disable “street view”?
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This URL contains all the properties you can modify here: developers.google.com/maps/documentation/javascript/…
– Alexander Forbes-Reed
May 11 '17 at 13:28
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Using curl POST with variables defined in bash script functions
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You don't need to pass the quotes enclosing the custom headers to curl. Also, your variables in the middle of the data argument should be quoted.
First, write a function that generates the post data of your script. This saves you from all sort of headaches concerning shell quoting and makes...
Getting error while sending email through Gmail SMTP - “Please log in via your web browser and then
...ata center location of a web application sending through Google SMTP.
The URL that apparently Google means is: https://support.google.com/mail/answer/78754. At that link, one of the steps is to reset your password. Not coincidentally, I also received an email from google with a subject of "Suspici...