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BrightnessTools 拓展:设置手机亮度的工具 · 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...
https://bbs.tsingfun.com/thread-2686-1-1.html 

ble蓝牙怎么接收中文 - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...? 英文能正常显示,中文乱码,那肯定就是字符集编码问题了。 详见:https://www.fun123.cn/reference/iot/bluetooth_codec.html 保证单片机侧和App侧一致的中文编码方式即可。盲猜BLE中应该是UTF8编码,单片机GB2312编码。
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How exactly does the callstack work?

...of programming languages work and especially how they interact with the OS/CPU. I've probably read every answer in every stack/heap related thread here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet. ...
https://www.tsingfun.com/it/tech/1084.html 

浅谈Heatmap:网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的日志格式,结果会有所不同,这里仅仅以此为例来说明问题,本文采用AWK来解析日志,当然你也可以使用Perl或别的你熟悉的语言: #!/usr/bin/awk -f BEGIN { FS="&"; } NF == 4 { param["page_x"] = "0"; param["page_y"] ...
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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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Formatting numbers (decimal places, thousands separators, etc) with CSS

... Unfortunately this is server side, there is a slight CPU hit, we need an html/css edit mask ability. Dressing and rendering should be client side unless we are serving a pdf ? – mckenzm Dec 30 '16 at 2:09 ...
https://www.tsingfun.com/it/cpp/1362.html 

VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术

... 上面通过设置api hook,解决了在VS2005上的异常捕获问题,这种虽然不是那么“干净”的解决方案,确是目前唯一简单有效的方式。 虽然也可以通过_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT), signal(SIGABRT, ...), 和_set...
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调用空智能指针对象的函数,Windows及Linux行为解析 - C/C++ - 清泛网 - 专...

...-O0以上优化版本访问空智能指针对象函数会发生崩溃。 问题起因:一个智能指针对象使用IsNull()判断是否为空后,执行函数,仅在Linux开优化(-O0以上)发生崩溃,代码如下: #include <stdio.h> #include <memory> #include <assert.h> c...
https://bbs.tsingfun.com/thread-1749-1-1.html 

图片轮播拓展 - ColinTreeSlideShow - App Inventor 2 拓展 - 清泛IT社区,为创新赋能!

...一个空的 水平滚动布局,将宽高设置好 (目前组件有个问题,在加入图片之后调整这个布局,图片不会跟随改变大小)如图(背景颜色可以先设置好): 在添加列表项之前先初始化一下,调用传入一个参数:调用ColinTreeSlideSh...
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What are the effects of exceptions on performance in Java?

... simplest way is using setjmp and longjmp. That means all registers of the CPU are written to the stack (which already takes some time) and possibly some other data needs to be created... all this already happens in the try statement. The throw statement needs to unwind the stack and restore the val...