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模拟器启动失败:找不到 msvcp140.dll - App Inventor 2 中文网 - 清泛IT社...

msvcp140.dll 及相关的微软的运行环境安装即可: https://aka.ms/vs/16/release/vc_redist.x64.exe https://aka.ms/vs/16/release/vc_redist.x86.exe
https://bbs.tsingfun.com/thread-2307-1-1.html 

CPU acceleration status: UT feature disabled in BIOS/UEFI - App Invent...

...报错: CPU acceleration status: UT feature disabled in BIOS/UEFI 86_64仿真当前需要硬件加速CPU加速状态:在BIOS/UEFI中禁用了UT功能 需要在主板中开启硬件加速功能,具体如何开启待整理,或者可以直接问问 deepseek。
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AppInventor实现图片和文字等进行发帖和查看帖子功能 - App应用开发 - 清泛...

.../文字上传功能,要采用 网络微数据库 组件,图片要base64化,但是数据库单Key存储容量有限,最多60KB。实现方式复杂且数据有限制,只能demo级别应用。 3、使用 leandb 付费在线数据库。或者自己搭建 数据库服务器+图片服务器。...
https://bbs.tsingfun.com/thread-3170-1-1.html 

调研结论:File组件写log文件大小有上限吗?会无限增长吗?(附日志轮转方...

...示或判断,文件多大就往内存读多大。App内存通常只有 64~256MB,日志几十MB后读一次就可能OOM闪退 3. 性能下降:文件越大,ReadFrom 越慢;高频追加(比如Clock每100ms写一条)会让IO排队卡顿 4. 数据难用:一个几十MB的txt,导出后...
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What's the best way to get the last element of an array without deleting it?

... 466 | 390 | 384 | 373 | 764 | 1.046.642 || 691 | 252 | 101 | 128 | 93 | 170 | 89.028 || 695 | 235 | 90 | 97 | 95 | ...
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?

... Georgy 4,77555 gold badges3838 silver badges4646 bronze badges answered Apr 10 '10 at 10:16 cryocryo 12.5k44 gold badges282...
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std::vector performance regression when enabling C++11

...n ( +- 0.52% ) [88.72%] 37,697,368 branches # 1064.092 M/sec ( +- 0.52% ) [88.75%] 26,700 branch-misses # 0.07% of all branches ( +- 3.91% ) [83.64%] 0.035943226 seconds time elapsed ...
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wxbit平台第三方扩展报错分析:no such class 运行时错误的根本原因 - AI ...

...Base.CloudBaseAuth gnu.bytecode.ObjectType.getReflectClass(Unknown Source:64) gnu.bytecode.ClassType.getModifiers(Unknown Source:11) gnu.bytecode.ClassType.isInterface(Unknown Source:0) gnu.expr.InlineCalls.checkType(Unknown Source:13) gnu.expr.InlineCalls.visit(Unknown Source:19) gnu.expr.Inl...
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STL or Qt containers?

...at e.g. QVector uses int as its index, thus limiting 31-bit sizes (even on 64-bit systems). Moreover, it can't even store INT_MAX elements of size larger than 1 byte. E.g. the largest .size() I could have of QVector<float> on x86_64 Linux gcc was 536870907 elements (2²⁹-5), while std::vecto...
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how to check if a file is a directory or regular file in python? [duplicate]

... Chris B.Chris B. 64.7k2323 gold badges8585 silver badges126126 bronze badges a...