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能把一个图片放到另一个图片上层吗？ - App应用开发 - 清泛IT社区，为创新赋能！
当然可以。
1、 图像放布局中，布局设背景图片。
2、 图像精灵放画布，画布设背景。
3、 屏幕设背景图片，图像组件放上面。
搜索不到ble设备 - App应用开发 - 清泛IT社区，为创新赋能！
使用AI伴侣能搜索到ble设备，但是安装apk后搜索不到,这是怎么回事呢大概率是权限问题，在手机设置将 app 相关权限都打开试试，尤其是发现设备等权限。
App Inventor 2 ECharts 拓展：画仪表图 - App应用开发 - 清泛IT社区，为创新赋能！
仪表图 效果如下：代码如下：
Gauge(startAngle,endAngle,min,max,value)画仪表图。startAngle：起始角度； endAngle：结束角度； min：最小值； max：最大值； value：当前值。角度值参考如下：
来源：https://www.fun123.cn/reference/extensions/ECharts.h...
Automatically start a Windows Service on install
I have a Windows Service which I install using the InstallUtil.exe. Even though I have set the Startup Method to Automatic, the service does not start when installed, I have to manually open the services and click start. Is there a way to start it either via the command line, or through the code of ...
Batch script: how to check for admin rights
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Issues
blak3r / Rushyo's solution works fine for everything except Windows 8. Running AT on Windows 8 results in:
The AT command has been deprecated. Please use schtasks.exe instead.
The request is not supported.
(see screenshot #1) and will return %errorLevel% 1.
Research
So, I we...
How to run a PowerShell script without displaying a window?
How is it possible to run a PowerShell script without displaying a window or any other sign to the user?
11 Answers
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How to open a web page from my application?
...el="requireAdministrator" uiAccess="false" /> When I run the app under Windows 8 (where you cannot disable UAC anymore), I get the following exception when opening a web page: Win32Exception (0x80004005): Class not registered at System.Diagnostics.Process.StartWithShellExecuteEx
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Import Error: No module named numpy
...still one step behind. I have only one version of Python 3 installed on my Windows 7 ( sorry ) 64-bit system.
24 Answers
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Preferred method to store PHP arrays (json_encode vs serialize)
...in 6.4348418712616 seconds
serialized "String" size : 20769
Igbinary :
WIN igbinary serialized in 1.6099879741669 seconds
WIN igbinrary unserialized in 4.7737920284271 seconds
WIN serialized "String" Size : 4467
So, it's quicker to igbinary_serialize() and igbinary_unserialize() and uses le...
A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
... before and has open before without a problem. Now I keep getting the following error message:
27 Answers
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