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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...型】PosenetExtension 拓展：人体姿势识别
【AI模型】TeachableMachine 拓展：使用设备摄像头训练视觉模型
【AI模型】FaceMeshExtension 拓展：人脸标记识别
【AI模型】LookExtension 拓展：使用编译到扩展中的神经网络进行物品识别
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How do I request a file but not save it with Wget? [closed]
...an 24 '19 at 20:53
Salathiel Genèse
1,2731717 silver badges2424 bronze badges
answered Mar 13 '12 at 20:21
Ma...
Is it safe to push_back an element from the same vector?
...ered Sep 13 '13 at 14:51
Johan RådeJohan Råde
17.7k1919 gold badges5959 silver badges103103 bronze badges
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Remove all special characters from a string in R?
...hich will remove accents, but will keep the letters.
astr <- "Ábcdêãçoàúü"
iconv(astr, from = 'UTF-8', to = 'ASCII//TRANSLIT')
which results in
[1] "Abcdeacoauu"
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Regex to match a digit two or four times
...e -- but apparently the asker didn't...).
– Jean-François Corbett
Apr 30 at 11:24
2
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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...jp/cgi-bin/scat.rb/ruby/ruby-talk/380637
– Matt Briançon
Aug 16 '11 at 16:17
4
Correct explanati...
Resolve promises one after another (i.e. in sequence)?
Consider the following code that reads an array of files in a serial/sequential manner. readFiles returns a promise, which is resolved only once all files have been read in sequence.
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List of special characters for SQL LIKE clause
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community wiki
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1
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Delete all records in a table of MYSQL in phpMyAdmin
I use wampserver 2.2. When I want to delete all records of a table in phpMyAdmin (select all) it deletes only one record not all records. Why it does not delete all records?
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How do I migrate a model out of one django app and into a new one?
...d Aug 22 '12 at 20:20
Matt BriançonMatt Briançon
1,0341616 silver badges2424 bronze badges
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