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【龙虾报告】App Inventor 2:数字块与逻辑块"大于"、“等于”的...

## 📋 研究问题 在App Inventor 2中,存在两个位置都有"大于"比较块: 1. **数学块**中的"大于 ( > )" 2. **逻辑块**中的"="(可以用于比较) ## 🎯 重要结论 **不存在"逻辑块大于"!** - 逻辑块只...
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- App Inventor 2 中文网 - 清泛IT社区,为创新赋能!

...   检测并提示用户关闭省电     这2个方向如何?                                     ● 两个方向我都仔细评估了一下,结...
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扒了一下源码,ESP8285接入App Inventor有4种玩法,第3种最香 - AI 助手 - ...

ESP8285这个芯片怎么接入App Inventor 2?我翻了MIT的源码和我们fun123的30多个扩展,把所有可行路径都摸了一遍。先说结论:不用开发新扩展,现有组件就能用。 ESP8285是什么?和ESP8266啥关系? ESP8285是乐鑫(Espressif)出的WiFi芯片...
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How to find a hash key containing a matching value

... I want to match the client_id? E.g. How to get the key for client_id == "2180" ? 10 Answers ...
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How to round a number to significant figures in Python

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Programmatically go back to the previous fragment in the backstack

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Delete element in a slice

... 278 Where a is the slice, and i is the index of the element you want to delete: a = append(a[:i],...
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How do you round a floating point number in Perl?

...ntf() or printf() is usually the easiest route. printf("%.3f", 3.1415926535); # prints 3.142 The POSIX module (part of the standard Perl distribution) implements ceil(), floor(), and a number of other mathematical and trigonometric functions. use POSIX; $ceil = ceil(3.5); ...
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Case insensitive regular expression without re.compile?

... | edited Jun 26 '16 at 11:26 Mark Amery 98.8k4848 gold badges336336 silver badges379379 bronze badges ...
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How to implement “select all” check box in HTML?

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