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HAXM 安装/启动失败？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
报错如下：
emulator: Android emulator version 30.3.5.0 (build_id 7033400) (CL:N/A)
127.0.0.1 - - [01/Apr/2025 16:55:37] "GET /echeck/ HTTP/1.1" 200 39
handleCpuAcceleration: feature check for hvf
emulator: ERROR: x86_64 emulation currently requires hardware acceleration!
CPU accel...
串口Read不到数据的问题 - 用户反馈 - 清泛IT社区，为创新赋能！
用户发送的是 8n1 的格式，但是ai2的串口貌似不支持这种格式。写串口正常，读串口为空，len为0。
目前经过测试验证，应该是 \n 作为结束符的。发送时，也是。
ai2使用 physicaloid 库完成的串口功能。
Disable password authentication for SSH [closed]
I'm looking for a way to disable SSH clients from accessing the password prompt as noted here .
5 Answers
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count(*) vs count(column-name) - which is more correct? [duplicate]
Does it make a difference if you do count(*) vs count(column-name) as in these two examples?
5 Answers
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POST data to a URL in PHP
How can I send POST data to a URL in PHP (without a form)?
3 Answers
3
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
... 搜索 App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎，支持事务
SQLite 拓展
1.3版本更新（2025/09/24）
1.2版本更新（...
What is the method for converting radians to degrees?
I run into this occasionally and always forget how to do it.
12 Answers
12
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How to check if element in groovy array/hash/collection/list?
How do I figure out if an array contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
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Multiprocessing - Pipe vs Queue
What are the fundamental differences between queues and pipes in Python's multiprocessing package ?
2 Answers
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PCH File in Xcode 6
In my previous projects, I can find the .pch file under Supporting Files.
6 Answers
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