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Call to ‘set-and-coerce-property!’ has too few arguments (3; must be...
...y!’ has too few arguments (3; must be 4)
原因是因为代码块有问题/报错,有空的地方没有填值,比如这种:
参考:https://community.appinventor.mi ... 3-must-be-4/20690/4
又学习到了新bug的解决方法,{:8_381:}
APP被手机识别为疑似病毒 - App应用开发 - 清泛IT社区,为创新赋能!
...用,忽略警告,加入白名单,继续安装,使用上没有任何问题。有些手机有所谓的“纯净模式”阻止安装,可以考虑在设置中关闭它。
2、如果想要发布,可以先线上检测一下:https://m.qq.com/security_lab/scans_online.jsp
上传APK文件...
解决 Error 503: The specified address is not a valid Bluetooth MAC add...
...
本例中就是经典蓝牙,但是用的 ble 的方式显示导致的问题。
“信息分享器”误点了始终按钮,还能恢复初始的选择选项吗? - App应用开发...
...何能解除这种限制?是手机本身的原因?还是APPinventor的问题?
A:系统的弹窗,系统的功能。
问DeepSeek:
DP A:
在安卓设备上,如果你选择了“始终使用此应用”来进行分享操作,并希望清除该默认设置以便重新选择...
拍照时报错求助! - App Inventor 2 中文网 - 清泛IT社区,为创新赋能!
...这回不报错了
那可能是初始化中某个代码块导致的报错问题了{:8_368:}
AppInventor2使用 MaterialIcons 图标字体,快捷展示专业图标 - App应用开...
...色,它还会自动改变颜色,且不用担心高分辨率不清晰的问题,非常的便捷。
一般使用 MaterialIcons-Regular.ttf 大名鼎鼎的图标库字体,效果参考如下:
只需要填入图标的英文代码即可,每种图标的英文代码,可以访问这里...
What is “406-Not Acceptable Response” in HTTP?
...turned by the service"? How might I check this? I am returning json from a php file so Im presuming the content type will be json (or do i need to specify this in the headers of the php file?) also I provided this content type in my request header like so 'Accept':'application/json'. would this be c...
CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...作都在当前线程内部进行,因此也就不存在多线程同步的问题;而对于一些全局信息的修改则都进行了保护。
CoInitialize 浅析
Prefer composition over inheritance?
...ifference, it's easier to explain.
Procedural Code
An example of this is PHP without the use of classes (particularly before PHP5). All logic is encoded in a set of functions. You may include other files containing helper functions and so on and conduct your business logic by passing data around i...
A CORS POST request works from plain JavaScript, but why not with jQuery?
...: x-requested-with, x-requested-by
So to put it all together, here is my PHP:
// * wont work in FF w/ Allow-Credentials
//if you dont need Allow-Credentials, * seems to work
header('Access-Control-Allow-Origin: http://www.example.com');
//if you need cookies or login etc
header('Access-Control-Al...