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App Inventor 2 拓展参考文档 · App Inventor 2 中文网

...不需要回复的可留空~ 请描述您的问题(300字以内): 给个鼓励也行呐~o~ 提供截图(仅截取当前可视区域...
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Sleep for milliseconds

... cout << "urrrrggghhhh!" << endl; } Corrected code - now CPU stays in IDLE state [2014.05.24]: #include <iostream> #ifdef _WIN32 #include <windows.h> #else #include <unistd.h> #endif // _WIN32 using namespace std; void sleepcp(int milliseconds); void s...
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_

...ral erratum and will not emit code that compensates for it.) Why does the CPU have such a false dependency? We can speculate: it runs on the same execution unit as bsf / bsr which do have an output dependency. (How is POPCNT implemented in hardware?). For those instructions, Intel documents the ...
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C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...要关闭。 2.把流中数据加载到内存时要考虑内存溢出等问题。 C# Stream
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How can I monitor the thread count of a process on linux?

...ou should subtract 1 from it because it prints a line like USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND for table header. – AhmetB - Google Apr 27 '12 at 23:40 ...
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C语言之父辞世引发“分号”悼念 - 创意 - 清泛网 - 专注C/C++及内核技术

...要一门高级计算机语言做工具,为了解决程序的可移植性问题,肯·汤普逊和丹尼斯·里奇决定对它进行简单改进,形成 NB语言。但NB在Unix的移植方面依然不尽人意,此后里奇又对NB语言做了改进,C语言诞生。 这被计算机界认为...
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json_decode to array

... This a waste of CPU/Memory, as suggested json_decode($object, true); the true does exactly the same, internally much faster. – TCB13 Dec 12 '13 at 0:13 ...
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编译失败! Error: Your build failed due to an error in the AAPT stage,...

...n      [java] INFO: BUILD 1 FINISHED aia包属性有问题,导致的原因未知,待探索。。。 目前最好的办法就是重新建立一个项目,组件和代码拷贝过来。
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What does Java option -Xmx stand for? [duplicate]

...lt;size> set java thread stack size -Xprof output cpu profiling data -Xfuture enable strictest checks, anticipating future default -Xrs reduce use of OS signals by Java/VM (see documentation) -Xcheck:jni perform additional checks for J...
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Recommended method for escaping HTML in Java

...ers when the OP asked to escape the 4 relevant characters? You are wasting CPU and memory. – David Balažic Sep 20 '18 at 10:51 2 ...