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研究：[url]https://peterzhong1219.gitee.io/webpages/%E5%A6%82%E4%BD%95...
研究：https://peterzhong1219.gitee.io/ ... App%20Inventor.htmlhttps://qastack.cn/programming/1 ... up-the-gwt-compiler已研究，已解决问题。
动态创建对象的拓展：[url]https://community.kodular.io/t/f-os-dynamic-c...
动态创建对象的拓展：https://community.kodular.io/t/f ... onent-2-2-2/50789/2已添加，待翻译优化
【拍照图片处理】Attempt to invoke virtual method 'boolean android.grap...
...graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
图片大致的处理流程是：先TaifunImage压缩尺寸，在Base64化，调在线api进行识别。
通过调试发现问题是出现在 图片的Resize/Base64化的步...
Attempt to invoke virtual method 'boolean android.graphics.Bitmap.comp...
...graphics.Bitmap.compress(android.graphics.Bitmap$CompressFormat, int, java.io.OutputStream)' on a null object reference
原因：调用 TaifunImage 时给定的图片路径为空导致的。
解决：指定有效的图片路径，或者拍照返回的图片路径，或者图像选择器选...
Save and load MemoryStream to/from a file
... may use MemoryStream.WriteTo or Stream.CopyTo (supported in framework version 4.5.2, 4.5.1, 4.5, 4) methods to write content of memory stream to another stream.
memoryStream.WriteTo(fileStream);
Update:
fileStream.CopyTo(memoryStream);
memoryStream.CopyTo(fileStream);
...
Which iOS app version/build number(s) MUST be incremented upon App Store release?
Version/build fields for an iOS app include:
10 Answers
10
...
What is `mt=8` in iTunes links for the App Store?
...umber of different Media Types (mt values):
1 Music
2 Podcasts
3 Audiobooks
4 TV Shows
5 Music Videos
6 Movies
7 iPod Games
8 Mobile Software Applications
9 Ringtones
10 iTunes U
11 E-Books
12 Desktop Apps
So, to answer your question, the "mt=8" in iTunes links simply identif...
Add swipe to delete UITableViewCell
I am making a CheckList application with a UITableView . I was wondering how to add a swipe to delete a UITableViewCell .
...
Python csv string to array
Anyone know of a simple library or function to parse a csv encoded string and turn it into an array or dictionary?
10 Answe...
Read binary file as string in Ruby
...ith so many people looking this up and copy pasting it as a one-liner solution (like so many things on stackoverflow)? After all, it works, and the name for these functions were just an arbitrary choice of the ruby library designers. If only we had some language with synonyms... that still somehow k...