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How to print JSON in short way. Without \n and spaces

6

A json like this: ``` { "data": { "cat" : "Tom", "dog" : "Teddy" } } ``` ### Tried: ``` json.rawString() json.rawString([:]) ``` ### Expect: {"dat":{"cat":"Tom","dog":"Teddy"}} ### Happened: {\n \"data\"...

Can't display black with demo on 4in2b 。无法显示出黑色

2

https://github.com/waveshare/e-Paper/blob/bcb561fd70f146e733d3e2555254dfa1bd7ad4c8/Arduino/epd4in2b_V2/epd4in2b_V2.cpp#L211 红黑白三色屏幕，4.2寸的。我的屏幕（或代码）无法显示黑色。 I am using 4in2b to show demo but black image alway been ignored. I change ClearFrame() function to following: 比如，当我仅执行CleargFrame，然后把这个方法里的 SendData 参数改成 0xF0 和 0x0F ```c void Epd::ClearFrame(void)...

https://github.com/ivpusic/react-native-image-crop-picker/blob/1870e4ddbea65d5c602402d4ed4423975c576354/android/src/main/java/com/reactnative/ivpusic/imagepicker/PickerModule.java#L422-L428 `permissionsCheck` should be removed when use a Cropper. Because the cropper never write to external storage.

https://github.com/ivpusic/react-native-image-crop-picker/blob/1870e4ddbea65d5c602402d4ed4423975c576354/android/src/main/java/com/reactnative/ivpusic/imagepicker/PickerModule.java#L110 `getExternalCacheDir` on Android is good for keep Android users away from internal storage space panic. And, no need to request WRITE_EXTERNAL_STORAGE permission any more.

```jsx { console.log('item', item); }} /> ``` 点击后输出： > item undefined

Make API of "head/tail" clearly

2

"HeadLayer/Angle" as start "TailTayer/Angle" as end. Fix #23

When I set `headBackgroundColor = UIColor.black` , it set the End circle to black. Dosen't it oppositely?

Remove min version requiring as this always cuase error.

关于后台运行

1

你好问个问题 当 App 以 Central 运行时，连接了一个 Peripheral，这时被用户手动 Kill。App 之后会被系统唤醒（非用户点图标进入），但是唤醒之后连不上之前的连接过的 Peripheral. 按照官方文档应该是自动连接上才对吧？请问为什么呢？

dashboard five & six block chart animate ugly. they animate chart from 0 . but the demo hosted on [here](https://vue-admin.fundon.me/#/dashboard) is animate good